DAIKIN INDUSTRIES, LTD. patent applications on January 9th, 2025
Patent Applications by DAIKIN INDUSTRIES, LTD. on January 9th, 2025
DAIKIN INDUSTRIES, LTD.: 39 patent applications
DAIKIN INDUSTRIES, LTD. has applied for patents in the areas of C08F214/26 (15), H01B3/44 (13), C09D127/18 (7), F25B31/02 (7), C08F214/28 (5) C08F214/262 (15), C08F214/282 (5), F04C18/16 (3), B23P15/26 (1), F25B31/006 (1)
With keywords such as: unit, portion, copolymer, vinyl, ether, respect, monomer, perfluoro, propyl, and units in patent application abstracts.
Patent Applications by DAIKIN INDUSTRIES, LTD.
Inventor(s): Takaya ODA of Osaka-shi (JP) for daikin industries, ltd., Takaki OHATA of Osaka-shi (JP) for daikin industries, ltd., Motofumi SHIMIZU of Osaka-shi (JP) for daikin industries, ltd., Takayuki TAKAHASHI of Osaka-shi (JP) for daikin industries, ltd.
IPC Code(s): B23P15/26
CPC Code(s): B23P15/26
Abstract: a heat exchanger includes a flat tube and a fin that is formed in an elongated plate shape and that includes a fin slit formed by notching the fin in a direction orthogonal to a longitudinal direction of the fin. a manufacturing device for manufacturing the heat exchanger includes an insertion head configured to move up and down in order to insert the flat tube held by the insertion head into the fin slit from above the fin, and a support. the support is configured to support, from below, the flat tube held by the insertion head.
20250011486. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, C09D127/18, H01B3/44
CPC Code(s): C08F214/262
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.4 to 10.3% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 1.4 to 2.4% by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 24.1 to 39.9 g/10 min, and a total number of a carbonyl group-containing terminal group, —cf═cfand —choh per 10main-chain carbon atoms of 120 or less.
20250011487. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka-shi (JP) for daikin industries, ltd., Yumi Zenke of Osaka-shi (JP) for daikin industries, ltd., Yukari Yamamoto of Osaka-shi (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, H01B3/44
CPC Code(s): C08F214/262
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 11.4 to 12.2% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 0.9 to 1.78 by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 4.0 to 13.0 g/10 min, and a total number of a carbonyl group-containing terminal group, —cf═cfand —choh per 10main-chain carbon atoms of 90 or less.
Inventor(s): Tadaharu Isaka of Osaka (JP) for daikin industries, ltd., Yumi Zenke of Osaka (JP) for daikin industries, ltd., Yukari Yamamoto of Osaka (JP) for daikin industries, ltd., Hayato Tsuda of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26
CPC Code(s): C08F214/262
Abstract: there is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 4.4 to 5.28 by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 11.0 to 16.0 g/10 min, and the number of functional groups of 50 or less per 10main-chain carbon atoms.
20250011489. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi Zenke of Osaka (JP) for daikin industries, ltd., Yukari Yamamoto of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, C09D127/18, H01B3/44
CPC Code(s): C08F214/262
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and a fluoro (alkyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 11.5 to 12.5% by mass with respect to the whole of the monomer units, a content of the fluoro (alkyl vinyl ether) unit of 0 to 0.4% by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 8.0 to 10.0 g/10 min, and a total number of —cfh, a carbonyl group-containing terminal group, —cf—cfand —choh per 10main-chain carbon atoms of 90 or less.
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd., Hayato TSUDA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, B29C45/00, B29K27/18
CPC Code(s): C08F214/262
Abstract: there is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 6.2 to 7.1% by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 28.0 to 35.9 g/10 min, and the number of functional groups of 20 or less per 10main-chain carbon atoms.
20250011491. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, C09D127/18, H01B3/44
CPC Code(s): C08F214/262
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 8.0 to 9.4% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 0.6 to 1.5% by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 6.8 to 9.9 g/10 min, and a total number of a carbonyl group-containing terminal group, —cf═cfand —choh per 10main-chain carbon atoms of 90 or less.
20250011492. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, C09D127/18, H01B3/44
CPC Code(s): C08F214/262
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 8.5 to 9.5% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 1.2 to 1.88 by mass with respect to the whole of the monomer units, a melt flow rate at 372�� c. of 9.0 to 15.0 g/10 min, and a total number of a carbonyl group-containing terminal group, —cf═cfand —choh per 10main-chain carbon atoms of 100 or less.
20250011493. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu Isaka of Osaka-Shi (JP) for daikin industries, ltd., Yumi Zenke of Osaka-Shi (JP) for daikin industries, ltd., Yukari Yamamoto of Osaka-Shi (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, C09D127/18, H01B3/44
CPC Code(s): C08F214/262
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.4 to 10.1% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 0.8 to 1.78 by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 4.5 to 8.5 g/10 min, and a total number of a carbonyl group-containing terminal group, —cf═cfand —choh per 10main-chain carbon atoms of 90 or less.
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd., Takahisa AOYAMA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26
CPC Code(s): C08F214/262
Abstract: there is provided a copolymer containing tetrafluoroethylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro (propyl vinyl ether) unit of 4.3 to 6.0% by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 0.7 to 1.4 g/10 min, and the number of functional groups of 20 or less per 10main-chain carbon atoms.
20250011495. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, C09D127/18, H01B3/44
CPC Code(s): C08F214/262
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 11.5 to 12.5% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 0.3 to 0.8% by mass with respect to the whole of the monomer units, and a melt flow rate at 372� c. of 0.9 to 5.8 g/10 min.
Inventor(s): Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd., Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Hayato TSUDA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, C08J5/18
CPC Code(s): C08F214/262
Abstract: there is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 3.8 to 4.38 by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 6.0 to 9.0 g/10 min, and the number of functional groups of 50 or less per 10main-chain carbon atoms.
20250011497. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, C09D127/18, H01B3/44
CPC Code(s): C08F214/262
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and fluoro(alkyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.4 to 10.2% by mass with respect to the whole of the monomer units, a content of fluoro(alkyl vinyl ether) unit of 0 to 0.3% by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 2.5 to 4.4 g/10 min, and a total number of a carbonyl group-containing terminal group, —cf═cfand —choh per 10main-chain carbon atoms of 70 or less.
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd., Hayato TSUDA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26
CPC Code(s): C08F214/262
Abstract: there is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 5.5 to 6.5% by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 36.1 to 49.9 g/10 min, and the number of functional groups of 50 or less per 10main-chain carbon atoms.
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd., Hayato TSUDA of Osaka (JP) for daikin industries, ltd., Hiroyuki HAMADA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, C08J5/18
CPC Code(s): C08F214/262
Abstract: provided is a copolymer comprising tetrafluoroethylene unit and perfluoro(ethyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(ethyl vinyl ether) unit of 4.5 to 6.2% by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 0.8 to 4.0 g/10 min, and the number of functional groups of 20 or less per 10main-chain carbon atoms.
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd., Hayato TSUDA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/26, B29C45/00, B29K27/18
CPC Code(s): C08F214/262
Abstract: there is provided a copolymer containing tetrafluoroethylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro (propyl vinyl ether) unit of 5.6 to 6.38 by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 17.1 to 23.0 g/10 min, and the number of functional groups of 50 or less per 10main-chain carbon atoms.
20250011501. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka-shi (JP) for daikin industries, ltd., Yumi Zenke of Osaka-shi (JP) for daikin industries, ltd., Yukari Yamamoto of Osaka-shi (JP) for daikin industries, ltd.
IPC Code(s): C08F214/28, H01B3/44
CPC Code(s): C08F214/282
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 10.4 to 11.4% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 0.8 to 1.28 by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 7.1 to 9.4 g/10 min, and a total number of a carbonyl group-containing terminal group, —cf═cfand —choh per 10main-chain carbon atoms of 90 or less.
20250011502. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/28, H01B3/44
CPC Code(s): C08F214/282
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 8.0 to 9.4% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 0.6 to 1.58 by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 2.9 to 5.3 g/10 min, and a total number of a carbonyl group-containing terminal group, —cf—cfand —choh per 10main-chain carbon atoms of 70 or less.
20250011504. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/28, H01B3/44
CPC Code(s): C08F214/282
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.4 to 10.7% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 0.5 to 1.7% by mass with respect to the whole of the monomer units, and a melt flow rate at 372� c. of 13.0 to 18.0 g/10 min.
20250011505. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi Zenke of Osaka (JP) for daikin industries, ltd., Yukari Yamamoto of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/28, H01B3/44
CPC Code(s): C08F214/282
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.0 to 12.4% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 0.3 to 0.7% by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 7.6 to 13.0 g/10 min, and a total number of a carbonyl group-containing terminal group, —cf═cfand —choh per 10main-chain carbon atoms of 90 or less.
20250011506. FLUORINE-CONTAINING COPOLYMER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tadaharu ISAKA of Osaka (JP) for daikin industries, ltd., Yumi ZENKE of Osaka (JP) for daikin industries, ltd., Yukari YAMAMOTO of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F214/28, H01B3/44
CPC Code(s): C08F214/282
Abstract: there is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 10.3 to 11.6% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 1.4 to 2.68 by mass with respect to the whole of the monomer units, a melt flow rate at 372�� c. of 24.1 to 39.9 g/10 min, and a total number of a carbonyl group-containing terminal group, —cf═cfand —choh per 10main-chain carbon atoms of 120 or less.
Inventor(s): Shinichi MINAMI of Osaka (JP) for daikin industries, ltd., Takashi Enomoto of Osaka (JP) for daikin industries, ltd., Masaki Fukumori of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C08F220/18, C08F220/22, D06M15/277, D06M101/20, D06M101/32, D06M101/34
CPC Code(s): C08F220/1818
Abstract: provided are a fluorine-containing polymer and a fluorine-containing composition that impart exceptional dynamic water repellency at a low concentration and exceptional water repellency during use as an auxiliary agent. according to the present disclosure, it is possible to impart exceptional dynamic water repellency at a low concentration and exceptional water repellency during use as an auxiliary agent by using a fluorine-containing polymer having repeating units formed from (a) a first fluorine-containing acrylic monomer having a chlorine atom at the � position, (b) a second fluorine-containing acrylic monomer having a hydrogen atom or an organic group at the � position, (c) a first acrylic monomer having a c12-40 linear hydrocarbon group, and (d) a second acrylic monomer having a c3-40 cyclic hydrocarbon group, or by using a fluorine-containing composition containing said polymer.
Inventor(s): Tomomi SAKAMOTO of Osaka-shi, Osaka (JP) for daikin industries, ltd., Naoki YAMAMOTO of Osaka-shi, Osaka (JP) for daikin industries, ltd., Kaname MARUYAMA of Osaka-shi, Osaka (JP) for daikin industries, ltd., Tomohiro ISHIBASHI of Osaka-shi, Osaka (JP) for daikin industries, ltd.
IPC Code(s): F03B13/00, F03B7/00, H02K7/18
CPC Code(s): F03B13/00
Abstract: a water wheel includes a casing to carry a fluid flow through an inside of the casing, a pipe extending in the inside of the casing, a rotor unit having a shaft to be inserted in the inside of the casing, and a support. the shaft is directed toward the pipe. the rotor unit is detachably attached to the casing from outside. the support supports the rotor unit at a predetermined position relative to the pipe when the rotor unit is attached to the casing. a hydraulic power generation device includes the water wheel and a generator driven by the water wheel. a hydraulic power generation system includes the hydraulic power generation device and a flow path with the hydraulic power generation employed in the flow path.
20250012278. SCREW COMPRESSOR AND FREEZER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Yoshiyuki UEMURA of Osaka (JP) for daikin industries, ltd., Takashi INOUE of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F04C18/16, F04C23/02, F04C27/00
CPC Code(s): F04C18/16
Abstract: a screw compressor includes a casing containing a cylinder portion, an electric motor disposed in the casing, a drive shaft connected to the electric motor to rotate axially, a screw rotor disposed in the cylinder portion and connected to the drive shaft, and a gate rotor having a gate to mesh with a screw groove of the screw rotor. a compression chamber is formed by the screw rotor and the gate. a suction-side end portion of the screw rotor is formed in a cylindrical shape so that an outer peripheral surface of the suction-side end portion is along an inner peripheral surface of the cylinder portion. a seal portion to reduce a flow of fluid is provided on a first surface facing the outer peripheral surface of the suction-side end portion or a first end surface of the suction-side end portion in an axial direction.
Inventor(s): Tadashi OKADA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F04C18/16, F25B31/02
CPC Code(s): F04C18/16
Abstract: a screw compressor includes a screw rotor having a plurality of helical grooves, and a gate rotor with gates to mesh with the helical grooves. each of the gates first and second seal lines to come into contact with side wall surfaces of the helical grooves. shapes of the first and second seal lines are asymmetric with respect to a first imaginary straight line passing through a rotation center of the gate rotor and a first intermediate position located on a tip end side of each of the gates between the first and second seal lines. a second imaginary straight line passing through the rotation center and a second intermediate position located on a base end side of each of the gates between the first and second seal lines is inclined with respect to the first imaginary straight line. the helical grooves have shapes corresponding to the gates.
Inventor(s): Tadashi OKADA of Osaka-shi (JP) for daikin industries, ltd.
IPC Code(s): F04C18/16, F25B31/02
CPC Code(s): F04C18/16
Abstract: a screw compressor includes a casing, a screw rotor accommodated in the casing to be rotationally driven, and a gate rotor assembly configured to rotate with rotation of the screw rotor. the gate rotor assembly includes a gate rotor including a plurality of flat plate-shaped gates configured to mesh with a helical groove of the screw rotor, and first and second support members. the first support member is made of a metal and includes a plurality of first gate support portions to support corresponding gates from a back surface side. the second support member is made of a metal and includes an annular portion having an annular shape and a plurality of second gate support portions each extending radially toward an outer side from an outer peripheral portion of the annular portion to support corresponding gates from a front surface side.
Inventor(s): Tatsuya KATAYAMA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F04C29/06, F25B31/02
CPC Code(s): F04C29/065
Abstract: a compressor includes a casing having a bottom portion with a reservoir to store oil, an electric motor housed in the casing, a compression mechanism disposed between the electric motor and the reservoir, and a resonance muffler provided in the compression mechanism. the compression mechanism compresses sucked gas refrigerant and to discharges the compressed gas refrigerant into the casing. a refrigerant space is formed above the reservoir in the casing. the refrigerant space is configured so that the gas refrigerant discharged from the compression mechanism flows through. the muffler includes a cavity in which a resonance chamber is formed, and a first opening communicating with the resonance chamber and opening to the refrigerant space. the first opening is formed on a lower surface or an outer peripheral surface of the compression mechanism.
Inventor(s): Shimpei MIURA of Osaka (JP) for daikin industries, ltd., Takahiro YOKOYAMA of Osaka (JP) for daikin industries, ltd., Takeshi ARAKI of Osaka (JP) for daikin industries, ltd., Takuro OGAWA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F04D27/00, F04D25/08
CPC Code(s): F04D27/001
Abstract: a fluid transfer apparatus includes a processor; a fan configured to transfer fluid along a flow path by a rotational motion; a structure provided in the flow path, the structure being configured to generate a pressure loss in the flow path as the fluid passes through the structure; and a memory storing one or more programs, which when executed, cause the processor to detect a state of the fluid or a state of the structure by monitoring a phenomenon correlated with a change in a force received by a blade of the fan from the fluid due to a disturbance of the fluid transferred along the flow path by the fan.
Inventor(s): Shunsuke SABU of Osaka (JP) for daikin industries, ltd., Daisuke SATOU of Osaka (JP) for daikin industries, ltd., Yasuki KANSHA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F24F11/30, F24F11/89, G01N33/00
CPC Code(s): F24F11/30
Abstract: a sensor arrangement determination device determines arrangement of a sensor that measures an environment in a space. the sensor arrangement determination device includes an acquisition unit and a determination unit. the acquisition unit acquires first information and second information. the first information is information in which a factor that influences the environment and an influence of a distance from the factor on the environment are associated with each other. the second information is related to arrangement of the factor in the space. the determination unit determines an arrangement candidate for the sensor in the space based on the first information and the second information.
20250012473. THERMAL LOAD PREDICTION SYSTEM_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Kotaro YOSHIDA of Osaka-shi (JP) for daikin industries, ltd., Tadafumi NISHIMURA of Osaka-shi (JP) for daikin industries, ltd., Yoshinori YURA of Osaka-shi (JP) for daikin industries, ltd., Nobuki MATSUI of Osaka-shi (JP) for daikin industries, ltd., Masakazu OKAMOTO of Osaka-shi (JP) for daikin industries, ltd.
IPC Code(s): F24F11/64, G06N20/00, F24F110/10, F24F110/12, F24F140/50
CPC Code(s): F24F11/64
Abstract: a thermal load prediction system predicts a thermal load of an air conditioning zone in a building. the thermal load prediction system includes an environmental data acquisition unit, an operation data acquisition unit, a storage unit, a learning unit and a prediction unit. the environmental data acquisition unit acquires at least one of external environmental data and internal environmental data. the operation data acquisition unit acquires operation data of an air conditioner configured to perform air conditioning for the air conditioning zone. the storage unit stores the data acquired by the environmental data acquisition unit and the operation data acquisition unit. the learning unit trains a model with which the thermal load of the air conditioning zone is predicted by using learning data obtained from the storage unit. the prediction unit predicts the thermal load of the air conditioning zone by using the model.
20250012477. AIR CONDITIONING UNIT AND PACKAGING UNIT_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Kengo UCHIDA of Osaka (JP) for daikin industries, ltd., Eiji KUMAKURA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F24F11/89, A62C99/00
CPC Code(s): F24F11/89
Abstract: to provide an air conditioning unit and a packaging unit that can be safely stored while suppressing mixing of unnecessary substances. in an outdoor unit, a refrigerant having flammability is enclosed. an enclosure amount of the refrigerant having the flammability is equal to or more than an amount of the refrigerant that becomes an atmospheric pressure at an ambient temperature of −40� c. and less than an amount of the refrigerant that becomes 0.2 mpa at an ambient temperature of 20� c.
20250012491. COMPRESSOR AND REFRIGERATION DEVICE_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Koichi TANAKA of Osaka (JP) for daikin industries, ltd., Kosuke NISHIMURA of Osaka (JP) for daikin industries, ltd., Arihiro IWATA of Osaka (JP) for daikin industries, ltd., Daigo FUKUDA of Osaka (JP) for daikin industries, ltd., Yuki KAWACHIYA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F25B31/00, F16C17/02, F25B31/02
CPC Code(s): F25B31/006
Abstract: a compressor includes a rotary shaft, a motor to rotate the rotary shaft, and a gas bearing to support the rotary shaft. a passage is provided between a coil of the motor and a housing of the gas bearing. the passage carries a flow of refrigerant to cool the coil of the motor.
Inventor(s): Akira HIMEDA of Osaka-shi (JP) for daikin industries, ltd., Yasuo MIZUSHIMA of Osaka-shi (JP) for daikin industries, ltd., Takeshi ENDO of Osaka-shi (JP) for daikin industries, ltd.
IPC Code(s): F25B31/02, F25B31/00
CPC Code(s): F25B31/026
Abstract: a rotary compressor includes a casing, a compression mechanism housed inside the casing to compress a refrigerant, a drive shaft to drive the compression mechanism, a motor to rotate the drive shaft, and a partitioning member housed inside the casing. the partitioning member partitions an interior of the casing into a first space into which the refrigerant compressed by the compression mechanism is discharged, and a second space provided between the partitioning member and the motor. the partitioning member has a discharge flow path through which the refrigerant is discharged from the first space to the second space. the discharge flow path includes an inclined flow path that extends while inclining toward downstream in a direction of rotation of the motor.
20250012517. METHOD FOR MANUFACTURING FIN_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Masahiro TSUTSUI of Osaka (JP) for daikin industries, ltd., Yoshihiro TSUTSUMI of Osaka (JP) for daikin industries, ltd., Motofumi SHIMIZU of Osaka (JP) for daikin industries, ltd., Takayuki TAKAHASHI of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F28F3/02
CPC Code(s): F28F3/027
Abstract: a method for manufacturing a fin for a heat exchanger includes a waffle forming step of forming a waffle portion and a plate-shaped portion around the waffle portion in a plate-shaped fin material, a cutting step of forming a continuous portion continuous with the plate-shaped portion and a fin slit configured to receive a flat tube in a side of the plate-shaped portion of the plate-shaped fin material, and a drawing step of forming a drawn portion protruding with respect to the continuous portion in the continuous portion.
20250012519. FIN ASSEMBLING METHOD_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Hiroyuki KITAO of Osaka (JP) for daikin industries, ltd., Yoshihiro TSUTSUMI of Osaka (JP) for daikin industries, ltd., Motofumi SHIMIZU of Osaka (JP) for daikin industries, ltd., Takayuki TAKAHASHI of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F28F3/08
CPC Code(s): F28F3/08
Abstract: each of a plurality of fins has a fin slit for receiving a flat tube. a method for stacking the fins includes arranging each of the fins at a stacking spot for the fins with an opening of the fin slit facing upward or downward.
Inventor(s): Shunsuke SHIMIZU of Osaka (JP) for daikin industries, ltd., Masaki HIRANO of Osaka (JP) for daikin industries, ltd., Shojiro NAKA of Osaka (JP) for daikin industries, ltd., Yoshimi KITSU of Osaka (JP) for daikin industries, ltd.
IPC Code(s): H02K1/18, F25B31/02, H02K1/276, H02K21/16
CPC Code(s): H02K1/185
Abstract: a rotating electrical machine includes a rotor configured to be rotatable around a rotation axis of the rotor, and a stator facing the rotor in a radial direction. the stator includes a stator iron core having a first core portion, a second core portion facing the first core portion in the radial direction, an elastically deformable member between the first core portion and the second core portion, and a tooth provided opposite to the second core portion with respect to the first core portion and extending radially from the first core portion. a winding is wound around the tooth of the stator iron core. the first core portion, the second core portion, the elastically deformable member, and the tooth are integrated together a mechanism reduces an axial displacement of the tooth during winding of the winding around the tooth.
20250015667. AIR CONDITIONING DEVICE ELECTRIC MOTOR_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Shojiro NAKA of Osaka (JP) for daikin industries, ltd., Masaki HIRANO of Osaka (JP) for daikin industries, ltd., Akio YAMAGIWA of Osaka (JP) for daikin industries, ltd., Kai SUTO of Tokyo (JP) for daikin industries, ltd.
IPC Code(s): H02K5/24, F25B31/02
CPC Code(s): H02K5/24
Abstract: an electric motor includes a rotor configured to rotate freely about a rotary shaft, and a stator core arranged outside the rotor. the stator core includes an inner yoke portion having an annular shape, a tooth portion extending inwardly from the inner yoke portion in a radial direction, an outer yoke portion having an annular shape arranged outward of the inner yoke portion in the radial direction, a plurality of beam portions extending in a circumferential direction between the inner yoke portion and the outer yoke portion, an inner joint portion configured to join the inner yoke portion and each of the beam portions in the radial direction, and an outer joint portion configured to join the outer yoke portion and each of the beam portions in the radial direction. a compressor includes the electric motor. a refrigeration apparatus includes the compressor.
Inventor(s): Yuki IIZUKA of Osaka-shi (JP) for daikin industries, ltd., Yoshinori YURA of Osaka-shi (JP) for daikin industries, ltd., Masayuki FUJIWARA of Osaka-shi (JP) for daikin industries, ltd.
IPC Code(s): H04W60/04, H04W8/24, H04W64/00
CPC Code(s): H04W60/04
Abstract: a device registration work assistance system includes a plurality of devices installed at building installation locations, a management apparatus, and a notification apparatus. the management apparatus estimates arrangement information of the devices based on information relating to electromagnetic waves acquired by the devices performing wireless communication with each other, and calculates one or more candidates for the device installed at the installation location by collating the arrangement information with the position information of the installation locations. in a case in which the management apparatus determines that the device actually installed at the installation location cannot be identified from the one or more candidates for the device installed at the installation location, the notification apparatus notifies the position information of the installation location and the unique information of the one or more candidates for the device installed at the installation location.
DAIKIN INDUSTRIES, LTD. patent applications on January 9th, 2025
- DAIKIN INDUSTRIES, LTD.
- B23P15/26
- CPC B23P15/26
- Daikin industries, ltd.
- C08F214/26
- C09D127/18
- H01B3/44
- CPC C08F214/262
- B29C45/00
- B29K27/18
- C08J5/18
- C08F214/28
- CPC C08F214/282
- C08F220/18
- C08F220/22
- D06M15/277
- D06M101/20
- D06M101/32
- D06M101/34
- CPC C08F220/1818
- F03B13/00
- F03B7/00
- H02K7/18
- CPC F03B13/00
- F04C18/16
- F04C23/02
- F04C27/00
- CPC F04C18/16
- F25B31/02
- F04C29/06
- CPC F04C29/065
- F04D27/00
- F04D25/08
- CPC F04D27/001
- F24F11/30
- F24F11/89
- G01N33/00
- CPC F24F11/30
- F24F11/64
- G06N20/00
- F24F110/10
- F24F110/12
- F24F140/50
- CPC F24F11/64
- A62C99/00
- CPC F24F11/89
- F25B31/00
- F16C17/02
- CPC F25B31/006
- CPC F25B31/026
- F28F3/02
- CPC F28F3/027
- F28F3/08
- CPC F28F3/08
- H02K1/18
- H02K1/276
- H02K21/16
- CPC H02K1/185
- H02K5/24
- CPC H02K5/24
- H04W60/04
- H04W8/24
- H04W64/00
- CPC H04W60/04
