Patent ID: 8057202
Filing Date: 2011-11-15
Classification: F04C

Abstract:
1. A scroll compressor, comprising: a motor including a stator and a rotor; a driveshaft rotatably secured to said rotor; a compression mechanism including a pair of interengaged scrolls each having an involute wrap, one of said scrolls rotatably connected to said drive shaft; the wrap of at least one of said scrolls including a groove extending therealong and facing the other scroll, said groove defined by a pair of sidewalls and a bottom wall; and a tip seal received within said groove, said tip seal having a pair of projections extending laterally therefrom along substantially the entire length of said tip seal, said projections sealingly engaging the sidewalls to form a sealed chamber defined by said tip seal, said sidewalls and said bottom wall; the sealed chamber formed by said tip seal, side walls and bottom wall having an inlet at an inner end portion of the groove through which pressurized working fluid enters the sealed chamber to pressurize the same and thereby force said tip seal into engagement with said other scroll.