18892005. SCREW COMPRESSOR AND FREEZER (DAIKIN INDUSTRIES, LTD.)
SCREW COMPRESSOR AND FREEZER
Organization Name
Inventor(s)
Yoshiyuki Uemura of Osaka (JP)
SCREW COMPRESSOR AND FREEZER
This abstract first appeared for US patent application 18892005 titled 'SCREW COMPRESSOR AND FREEZER
Original Abstract Submitted
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.