Patent ID: 6599109
Filing Date: 2003-07-29
Classification: F04C,Y10S

Abstract:
A scroll compressor comprising:a sealed housing; a scroll compressor pump unit including a first scroll having a base and a generally spiral wrap extending from said base and a second scroll having a base and a generally spiral wrap extending from said base, said generally spiral wraps of said first and second scrolls interfitting to define compression chambers; an electric motor for driving a shaft, said shaft being operatively connected to cause said second scroll to orbit relative to said first scroll; and said sealed housing being separated into a discharge pressure chamber and a suction pressure chamber, with a component of said scroll compressor pump unit separating said sealed housing into said suction and discharge pressure chambers, an oil return path in communication with said discharge and suction pressure chambers wherein a structure in said oil return path resists flow of refrigerant from said discharge chamber to said suction chamber, wherein said structure is a labyrinth flow path formed in said component.