Patent ID: 6503069
Filing Date: 2003-01-07
Classification: F04C

Abstract:
A scroll-type compressor with an integrated motor, comprisinga housing, a fixed scroll fixed to said housing, a movable scroll, which is installed eccentrically to said fixed scroll in said housing and orbits along said fixed scroll, and a motor portion, which is installed in said housing and drives said movable scroll, wherein, said housing comprises a high pressure chamber to which gas compressed by said fixed scroll and said movable scroll are supplied, a first cooling chamber installed contiguous to said high pressure chamber, to which a cooling fluid is supplied, and which comprises heat-transfer surface increasing means, a second cooling chamber which cools said motor portion and is supplied with cooling fluid, which is liquid at operating temperatures, and is installed contiguous to the motor portion, and a fluid passage that connects said first cooling chamber and said second cooling chamber and passes said cooling fluid in the direction from said first cooling chamber to said second cooling chamber.