Closed compressor
AssigneeDaikin Industries, Ltd.
InventorsMasahide Higuchi, Eiji Kumakura, Takashi Hirouchi
Life of this patent
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Abstract
A front head (23) of a cylinder (21) and a mounting plate (40) are tightly fixed to each other. The mounting plate (40) is welded to a casing (10). The mounting plate (40) is made of steel containing 2.0% or less of carbon therein. Furthermore, a stator core (34) of a compressor motor (30) is welded to the casing (10). A hermetic sealed compressor is configured in a high-pressure domed type. A supercritical fluid is used as an operating fluid.
Claims13
A hermetic sealed compressor characterized by comprising a casing (10) and a compressing element (20) which compresses an operating fluid and is accomodated inside a casing (10), the compressing element (20) is fixed to a fixing member (40) which is made of steel containing 2.0% or less of carbon therein and welded to the casing (10).
A hermetic sealed compressor characterized by comprising a casing (10) and a drive motor (30) housed in the casing (10) provided with a stator (32) having coils wound around a stator core (34) and a rotor (33) rotatably housed inside of the stator (32) and drivingly connected to a compressing element (20), thereby driving the compressing element (20),
- the stator core (34) of the drive motor (30) being welded to the casing (10).
The hermetic sealed compressor of claim (10), wherein the oil returning portions (83) in the stator core (34) are formed adjacently to portions at which the outer peripheral surface of the stator core (34) is brought into contact with the casing (10).
Dependencies are inferred from the claim text.