Patent ID: 6158980
Filing Date: 2000-12-12
Classification: F04C

Abstract:
An electrically driven compressor apparatus for compressing fluid, comprising:an electric motor having a rotation shaft;a compressor integrally connected to said electric motor to be driven by said electric motor via said rotation shaft;a housing for accommodating said electric motor and said compressor;a housing protruding portion protruding toward said electric motor from said compressor in an axial direction at a periphery between said electric motor and said compressor to support said rotation shaft by said housing;an oil storage chamber for storing lubricant oil separated from compressed fluid;an attachment groove formed at a base portion of said housing protruding portion;a bearing installed in said attachment groove for rotatably supporting said rotation shaft; andan internal oil supply passage formed in said housing for introducing said lubricant oil separated from compressed fluid and stored in said oil storage chamber to said attachment groove in such a manner that said lubricant oil separated from compressed fluid and stored in said oil storage chamber is directly supplied to said bearing.