Patent ID: 6142753
Filing Date: 2000-11-07
Classification: F04C

Abstract:
A scroll compressor comprising:an orbiting scroll having a base with a generally spiral scroll wrap extending from said base;a non-orbiting scroll having a base with a generally spiral scroll wrap extending from said base, said wraps of said non-orbiting and orbiting scrolls interfitting to define a plurality of compression chambers, said non-orbiting scroll base having an outer end face facing away from said wraps;a cover secured to said outer end face of said non-orbiting scroll base;an inlet port for delivering a fluid to be compressed to a radially outer location between said non-orbiting and orbiting scroll wraps; andan economizer passage for communicating with a source of fluid and delivering fluid to locations spaced radially inwardly of said inlet port, said economizer passage including a crossing passage defined between said outer end face of said non-orbiting scroll base, and said cover, said cover and said non-orbiting scroll base being positioned in a suction pressure chamber.