Patent ID: 8899950
Filing Date: 2014-12-02
Classification: F04C

Abstract:
1. An assembly of a compressor for pressurizing a fluid comprising: a main housing having a portion being substantially planar; at least two parallel intersecting bores; at least two rotors journaled for rotation within said bores; a cover; a plurality of vent channels in said main housing extending outwardly from at least one bore of the two parallel intersecting bores through said portion being substantially planar; the vent channels are configured for the fluid to flow through said vent channels; a slide valve assembly operably connected to said housing proximate said plurality of vent channels, said slide valve assembly having a valve plate; wherein said valve plate has a substantially planar side that is sealingly engaged with said planar portion of said main housing and rotatable relative to said planar portion of said main housing; wherein said valve plate is positioned into one of a plurality positions relative to said vent channels, wherein said position in which said valve plate is positioned is are selected from a group comprising of: a fully open position, a fully closed position, and an intermediate position; and wherein said valve plate comprises a side opposite said planar side, said side opposite bearing against said cover, said side opposite has a recess which does not bear against said cover, said cover delimiting a chamber, said chamber also delimited by a portion of said main housing.