Patent ID: 7494328
Filing Date: 2009-02-24
Classification: F04B

Abstract:
1. A rear housing for a compressor having a cylinder block receiving lower pressure fluid from the rear housing and providing higher pressure fluid back to the rear housing, the rear housing comprising: annular outer and inner walls defining a suction chamber and a discharge chamber, the suction chamber containing the lower pressure fluid, the discharge chamber containing the higher pressure fluid; an inlet in fluid communication with the suction chamber; an outlet in fluid communication with the discharge chamber, the outlet including a discharge passageway having a tubular member projecting into the discharge chamber; and the tubular member defined by a side wall and a closed end wall, the side wall having a plurality of holes fluidically connecting the discharge chamber and the discharge passageway, the combined cross-sectional area of the plurality of holes being substantially equal to the cross-sectional area of the discharge passageway.