DAIKIN INDUSTRIES, LTD. patent applications on July 18th, 2024
Patent Applications by DAIKIN INDUSTRIES, LTD. on July 18th, 2024
DAIKIN INDUSTRIES, LTD.: 22 patent applications
DAIKIN INDUSTRIES, LTD. has applied for patents in the areas of F24F1/0068 (3), F25B9/00 (2), H01M4/62 (2), F24F1/0067 (2), F25B7/00 (2) F25B7/00 (2), H01M4/623 (2), F24F1/0068 (2), F25B41/26 (1), G16C20/40 (1)
With keywords such as: refrigerant, heat, pipe, electric, exchanger, portion, through, component, connected, and air in patent application abstracts.
Patent Applications by DAIKIN INDUSTRIES, LTD.
Inventor(s): Wataru HIRATA of Osaka-shi (JP) for daikin industries, ltd., Noritaka KAMEI of Osaka-shi (JP) for daikin industries, ltd., Kento SHIBUYA of Osaka-shi (JP) for daikin industries, ltd.
IPC Code(s): B60H1/00, B65D88/74, F25D11/00
CPC Code(s): B60H1/00849
Abstract: an inside air control apparatus includes a composition adjuster. outside air flowing in a first inflow path and inside air flowing in a second inflow path flow into the composition adjuster as the air to be treated. the composition adjuster separates the air to be treated into first air and second air. the first air flows into a first outflow path. the second air flows into a second outflow path. an outlet switching mechanism changes the destinations of the first air and the second air.
Inventor(s): Mitsushi Itano of Osaka (JP) for daikin industries, ltd., Satoshi Tokuno of Osaka (JP) for daikin industries, ltd., Tomoyuki Gotou of Osaka (JP) for daikin industries, ltd., Takashi Yoshimura of Osaka (JP) for daikin industries, ltd., Takashi Usui of Osaka (JP) for daikin industries, ltd., Tsubasa Nakaue of Osaka (JP) for daikin industries, ltd.
IPC Code(s): C09K5/04
CPC Code(s): C09K5/045
Abstract: an object is to suppress disproportionation in a refrigerant comprising hfo-1132(e) when the refrigerant has a pressure of 3.0 mpa. a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (hfo-1132(e)), trifluoroethylene (hfo-1123), and tetrafluoropropene in a total amount of 99.5 mass % or more based on the entire refrigerant, wherein when the mass % of hfo-1132(e), hfo-1123, and tetrafluoropropene based on their sum is respectively represented by x, y, and z, coordinates (x, y, z) in a ternary composition diagram in which the sum of hfo-1132(e), hfo-1123, and tetrafluoropropene is 100 mass % are within the range of a figure surrounded by straight lines ab, bo, and oa that connect the following 3 points:
20240240639. COMPRESSOR UNIT_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Shota KAMEI of Osaka (JP) for daikin industries, ltd., Tatsuya KATAYAMA of Osaka (JP) for daikin industries, ltd., Daiki KIKUTAKE of Osaka (JP) for daikin industries, ltd., Keiji KOMORI of Osaka (JP) for daikin industries, ltd., Shogo TSUCHIKAWA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F04C29/00
CPC Code(s): F04C29/0085
Abstract: a compressor unit includes a compressor and an accumulator. the compressor includes a vertically elongated first casing, an electric motor, a drive shaft, and a compression mechanism. the accumulator includes a vertically elongated second casing. in a frequency range between a value three times larger than a maximum compressor rotation speed and 1.25 times greater than the value when a first part is vibrated, an index showing a frequency response function of the second casing in a circumferential direction in a second part is 1.0 m/s/n or less. the first part is part of an upper part of a side surface of the first casing and is orthogonal to an alignment direction of the compressor and the accumulator, and the second part is part of an upper part of a side surface of the second casing and is opposed to a part facing the first casing.
20240240802. INDOOR UNIT AND AIR CONDITIONER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Hiroyuki Nakano of Osaka (JP) for daikin industries, ltd., Shota Ago of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F24F1/0067, F24F1/0068
CPC Code(s): F24F1/0067
Abstract: an indoor unit includes a casing, a heat exchanger accommodated in the casing, and connection pipe, connected to the heat exchanger, through which a refrigerant flows. the connection pipe includes a first refrigerant pipe made of a first metal and a second refrigerant pipe made of a second metal higher in potential than the first metal. one end of the first refrigerant pipe is connected to the heat exchanger, and the other end of the first refrigerant pipe is connected to one end of the second refrigerant pipe in the casing.
20240240803. INDOOR UNIT AND AIR CONDITIONER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Hiroyuki Nakano of Osaka-shi (JP) for daikin industries, ltd., Shota Ago of Osaka-shi (JP) for daikin industries, ltd., Atsushi Yamamoto of Osaka-shi (JP) for daikin industries, ltd.
IPC Code(s): F24F1/0068
CPC Code(s): F24F1/0068
Abstract: an indoor unit includes a heat exchanger and a connection pipe, connected to the heat exchanger, through which a refrigerant flows. the connection pipe includes a first refrigerant pipe made of a first metal and a second refrigerant pipe made of a second metal higher in potential than the first metal. one end of the first refrigerant pipe is connected to the heat exchanger, and the other end of the first refrigerant pipe is connected to one end of the second refrigerant pipe. the first refrigerant pipe includes a vertical straight section, a bent section that is continuous with to a one end of the vertical straight section, and a horizontal straight section that is continuous with one end of the bent section. a covering member adheres to and covers the first refrigerant pipe from one end of the horizontal straight section to the bent section.
20240240804. HEAT EXCHANGE UNIT AND AIR CONDITIONER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Hiroyuki Nakano of Osaka (JP) for daikin industries, ltd., Shota Ago of Osaka (JP) for daikin industries, ltd., Atsushi Yamamoto of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F24F1/0068, F24F1/0067, F28F19/02
CPC Code(s): F24F1/0068
Abstract: a connection pipe of a heat exchange unit includes a second refrigerant pipe made of a second metal higher in potential than a first metal of a first refrigerant pipe. the second refrigerant pipe includes a first section that is bent to protrude upward. the first section includes a first curved section disposed on a first refrigerant pipe side relative to an apex of the first section and a second curved section disposed on a side opposite to the first refrigerant pipe side relative to the apex of the first section. a covering member or a coating film is provided in intimate contact with the second refrigerant pipe to cover a first refrigerant pipe side edge of the second refrigerant pipe and the first curved section.
Inventor(s): Hiroyuki Nakano of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F24F1/30, F24F1/0059, F28F21/08
CPC Code(s): F24F1/30
Abstract: an indoor heat exchanger includes a heat exchanger body and a connection pipe connected to the heat exchanger body through a connection portion. the connection pipe includes a first curved portion having an elongation greater than or equal to 30%.
20240240824. HEAT EXCHANGER AND AIR CONDITIONER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Tsuyoshi Kimura of Osaka (JP) for daikin industries, ltd., Yoshiyuki Tsuji of Osaka (JP) for daikin industries, ltd., Yusuke Morikita of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F24F11/84
CPC Code(s): F24F11/84
Abstract: a heat exchanger includes: a heat transfer tube allowing a refrigerant to flow; and a fin having through holes that are aligned in columns in a second direction crossing a first direction in which air flows. the through holes include: first through holes each penetrated by the heat transfer tube in a thickness direction of the fin; and second through holes not penetrated by the heat transfer tube. the fin includes: a first region having the first through holes; and a second region having the second through holes. one or both ends of the second region in the first direction are adjacent to the first region. both ends of the second region in the second direction are adjacent to the first region.
Inventor(s): Kumiko Saeki of Osaka-Shi (JP) for daikin industries, ltd., Yuta IYOSHI of Osaka-Shi (JP) for daikin industries, ltd., Yoshiki YAMANOI of Osaka-Shi (JP) for daikin industries, ltd.
IPC Code(s): F25B7/00, F25B9/00
CPC Code(s): F25B7/00
Abstract: a cascade unit and a refrigeration cycle apparatus are capable of cooling an electric component. a cascade unit of a refrigeration cycle apparatus includes a primary-side refrigerant circuit that includes a primary-side heat exchanger and through which a primary-side refrigerant flows, a secondary-side refrigerant circuit that includes a secondary-side compressor and a utilization-side heat exchanger and through which a secondary-side refrigerant flows, and a cascade heat exchanger that exchanges heat between the primary-side refrigerant and the secondary-side refrigerant, the cascade unit including the secondary-side compressor, the cascade heat exchanger, a first electric component that drives the secondary-side compressor, a first cooling portion that cools the first electric component with the secondary-side refrigerant flowing through the secondary-side refrigerant circuit, a cascade casing that accommodates the secondary-side compressor, the first electric component, and the first cooling portion.
Inventor(s): Kumiko SAEKI of Osaka-Shi (JP) for daikin industries, ltd., Yuta IYOSHI of Osaka-Shi (JP) for daikin industries, ltd., Yoshiki YAMANOI of Osaka-Shi (JP) for daikin industries, ltd.
IPC Code(s): F25B7/00, F25B9/00
CPC Code(s): F25B7/00
Abstract: a cascade unit and a refrigeration cycle apparatus are capable of cooling an electric component. the cascade unit of the refrigeration cycle apparatus includes a primary-side refrigerant circuit that includes a primary-side heat exchanger and in which a primary-side refrigerant flows, a secondary-side refrigerant circuit that includes a secondary-side compressor and a utilization-side heat exchanger and in which a secondary-side refrigerant flows, and a cascade heat exchanger that causes the primary-side refrigerant and the secondary-side refrigerant to exchange heat with each other, the cascade unit including the secondary-side compressor, the cascade heat exchanger, a first electric component, a second electric component, a third electric component, and an electric component fan, and a cascade casing that accommodates the secondary-side compressor, the first electric component, and the electric component fan.
Inventor(s): Daiki Hirawa of Osaka (JP) for daikin industries, ltd., Katsutoshi Sakurai of Osaka (JP) for daikin industries, ltd., Makoto Takayanagi of Osaka (JP) for daikin industries, ltd., Taichi Koshiji of Osaka (JP) for daikin industries, ltd., Hiroaki Matsuda of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F25B31/00
CPC Code(s): F25B31/00
Abstract: an electric component unit of a refrigeration cycle apparatus, includes: a first electric board; a second electric board; a mounting member having a first surface on which the first electric board is disposed, and a second surface on which the second electric board is disposed; and an electric component casing having a maintenance opening. the mounting member is coupled to the electric component casing via a coupling portion. the electric component unit switches between a first state and a second state by rotation of the mounting member about the coupling portion. in the first state, the second electric board is accessible through the maintenance opening, and the first electric board, the second electric board, and the mounting member are all housed in the electric component casing. in the second state, the first electric board is accessible through the maintenance opening.
20240240841. REFRIGERATION CYCLE APPARATUS_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Kumiko SAEKI of Osaka (JP) for daikin industries, ltd., Yuta IYOSHI of Osaka (JP) for daikin industries, ltd., Yoshiki YAMANOI of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F25B41/26, F25B13/00
CPC Code(s): F25B41/26
Abstract: a safety valve includes a secondary-side refrigerant circuit that includes a secondary-side receiver that reserves a refrigerant, a flow path switching portion that includes a first connecting portion, a second connecting portion, and a third connecting portion connected to the secondary-side receiver, the flow path switching portion () that switches between a first state in which the third connecting portion communicates with the first connecting portion and a second state in which the third connecting portion communicates with the second connecting portion, and a safety valve that includes a safety valve connecting portion connected to the first connecting portion or the second connecting portion, and releases the refrigerant to outside when a refrigerant pressure in the secondary-side receiver satisfies a predetermined condition, in which at least the safety valve connecting portion is made of stainless steel.
Inventor(s): Kumiko SAEKI of Osaka-Shi (JP) for daikin industries, ltd., Yuta IYOSHI of Osaka-Shi (JP) for daikin industries, ltd., Yoshiki YAMANOI of Osaka-Shi (JP) for daikin industries, ltd.
IPC Code(s): F25B41/40
CPC Code(s): F25B41/40
Abstract: provided are a refrigerant vessel and a refrigeration cycle apparatus capable of suppressing accumulation of a refrigerating machine oil inside. a secondary-side receiver reserves a refrigerant in a secondary-side refrigerant circuit in which a refrigerant and a refrigerating machine oil circulate, the secondary-side receiver including a vessel body, a first refrigerant pipe connected to the vessel body, and a second refrigerant pipe connected to the vessel body, in which the refrigerating machine oil is incompatible with the refrigerant and has a higher density than the refrigerant, and the second refrigerant pipe extends downward from a bottom part of the vessel body.
Inventor(s): Hiroyuki Nakano of Osaka (JP) for daikin industries, ltd., Atsushi Yamamoto of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F28D7/16
CPC Code(s): F28D7/163
Abstract: a heat exchanger includes: a fin group including plate-shaped fins; heat transfer tubes penetrating the plate-shaped fins; and a support plate at an end of the fin group. the heat transfer tubes penetrate the support plate. the heat exchanger is configured to cause a heat medium flowing through the heat transfer tubes to exchange heat with air. end portions of the heat transfer tubes form protrusions protruding from the support plate. the protrusions include: a first protrusion connected to one of the protrusions adjacent to the first protrusion; and a second protrusion connected to a flow path pipe different from one of the protrusions adjacent to the second protrusion. a distance from a tip end of the second protrusion to the support plate is shorter than a distance from a tip end of the first protrusion to the support plate.
20240240877. HEAT EXCHANGER_simplified_abstract_(daikin industries, ltd.)
Inventor(s): Ken Satou of Osaka (JP) for daikin industries, ltd., Tooru Andou of Osaka (JP) for daikin industries, ltd., Tomoki Hirokawa of Osaka (JP) for daikin industries, ltd., Aya Okuno of Osaka (JP) for daikin industries, ltd., Kengo Uchida of Osaka (JP) for daikin industries, ltd.
IPC Code(s): F28F1/12, F28F1/04
CPC Code(s): F28F1/12
Abstract: a heat exchanger that exchanges heat between a refrigerant and air, includes: flat tubes disposed in a first direction intersecting with a longitudinal direction of cross sections of the flat tubes and through which the refrigerant flows; first heat transfer fins that contact the flat tubes and are disposed on a windward side of the flat tubes; and second heat transfer fins that contact the flat tubes and are disposed on a leeward side of the flat tubes. the first heat transfer fins are inserted toward the flat tubes from a side of first ends in the longitudinal direction. the second heat transfer fins are inserted toward the flat tubes from a side of second ends in the longitudinal direction.
Inventor(s): Kentaro TAKAKI of Osaka (JP) for daikin industries, ltd., Nao OKADA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): G05B15/02
CPC Code(s): G05B15/02
Abstract: functions of two or more devices are caused to effectively collaborate with each other. a method executed by a control unit of a collaboration control apparatus, the method including a step of selecting two or more devices from among a plurality of devices; and a step of giving an instruction to the selected devices to implement collaboration control relating to functions of the devices.
Inventor(s): Shohei TACHIKAWA of Osaka (JP) for daikin industries, ltd.
IPC Code(s): G16C20/40, G16C20/30
CPC Code(s): G16C20/40
Abstract: a method executed by a computer, the method including acquiring a chemical structure of a plurality of low molecular weight compounds; calculating an estimate value of a physical property value of each of the low molecular weight compounds and a variation of the estimate values, from the acquired chemical structure of each of the low molecular weight compounds, by using a regression model; and calculating an acquisition function from the estimate values of the physical property value and the variation of the estimate values.
Inventor(s): Taketo KATO of Osaka (JP) for daikin industries, ltd., Takaya YAMADA of Osaka (JP) for daikin industries, ltd., Kohei YASUDA of Osaka (JP) for daikin industries, ltd., Taku YAMANAKA of Osaka (JP) for daikin industries, ltd., Junpei TERADA of Osaka (JP) for daikin industries, ltd., Masayoshi MIYAMOTO of Osaka (JP) for daikin industries, ltd.
IPC Code(s): H01M4/62, H01M4/02
CPC Code(s): H01M4/623
Abstract: the disclosure aims to provide a polytetrafluoroethylene powder for an electrode binder with excellent handleability, an electrode binder and an electrode mixture containing the electrode binder, an electrode, and a secondary battery. provided is a polytetrafluoroethylene powder for use as an electrode binder, the polytetrafluoroethylene powder having an apparent density of 0.40 g/ml or higher and a powder particle size of 400 �m or greater.
Inventor(s): Taketo KATO of Osaka (JP) for daikin industries, ltd., Takaya Yamada of Osaka (JP) for daikin industries, ltd., Kohei Yasuda of Osaka (JP) for daikin industries, ltd., Taku Yamanaka of Osaka (JP) for daikin industries, ltd., Junpei Terada of Osaka (JP) for daikin industries, ltd., Masayoshi Miyamoto of Osaka (JP) for daikin industries, ltd., Kenta Murayama of Osaka (JP) for daikin industries, ltd., Ryota Usami of Osaka (JP) for daikin industries, ltd., Hirotoshi Yoshida of Osaka (JP) for daikin industries, ltd.
IPC Code(s): H01M4/62
CPC Code(s): H01M4/623
Abstract: the disclosure aims to provide a polytetrafluoroethylene powder for an electrode binder which is a sustainable product and can reduce or prevent gas generation inside a battery cell and deterioration of battery characteristics, an electrode binder, an electrode mixture, an electrode, and a secondary battery. provided is a polytetrafluoroethylene powder for use as an electrode binder, the polytetrafluoroethylene powder being substantially free from water and a fluorine-containing compound having a molecular weight of 1000 or less.
Inventor(s): Kodai OKUZONO of Osaka-shi (JP) for daikin industries, ltd., Yoshitsugu KOYAMA of Osaka-shi (JP) for daikin industries, ltd., Masaki KONO of Osaka-shi (JP) for daikin industries, ltd., Hirotaka DOI of Osaka-shi (JP) for daikin industries, ltd., Reiji KAWASHIMA of Osaka-shi (JP) for daikin industries, ltd.
IPC Code(s): H03H11/04, H02M1/44, H02M5/42
CPC Code(s): H03H11/04
Abstract: a noise reduction circuit includes: noise canceler circuitry configured to inject a compensation current into a power line and ground to reduce a common mode noise current that flows through the power line and the ground into a commercial power supply from a power converter with a switching element connected to the commercial power supply; and overcurrent inhibitor circuitry provided on a compensation current path through which the compensation current flows, the overcurrent inhibitor circuitry being configured to inhibit application of an overcurrent to the noise canceler circuitry.
DAIKIN INDUSTRIES, LTD. patent applications on July 18th, 2024
- DAIKIN INDUSTRIES, LTD.
- B60H1/00
- B65D88/74
- F25D11/00
- CPC B60H1/00849
- Daikin industries, ltd.
- C09K5/04
- CPC C09K5/045
- F04C29/00
- CPC F04C29/0085
- F24F1/0067
- F24F1/0068
- CPC F24F1/0067
- CPC F24F1/0068
- F28F19/02
- F24F1/30
- F24F1/0059
- F28F21/08
- CPC F24F1/30
- F24F11/84
- CPC F24F11/84
- F25B7/00
- F25B9/00
- CPC F25B7/00
- F25B31/00
- CPC F25B31/00
- F25B41/26
- F25B13/00
- CPC F25B41/26
- F25B41/40
- CPC F25B41/40
- F28D7/16
- CPC F28D7/163
- F28F1/12
- F28F1/04
- CPC F28F1/12
- G05B15/02
- CPC G05B15/02
- G16C20/40
- G16C20/30
- CPC G16C20/40
- H01M4/62
- H01M4/02
- CPC H01M4/623
- H03H11/04
- H02M1/44
- H02M5/42
- CPC H03H11/04
