SEALS ECCENTRIC BACK PRESSURE CHAMBER FOR COMPRESSOR SCROLL.

摘要

A scroll compressor includes seals (30, 32; 54,56) against-pressure chamber (28; 58) mounted eccentrically to an axis of rotation (45) of a shaft (35) . Because of this eccentricity, strength (103) from the rear chamber, which prevents separation of fixed scrolls (22) and Orbital (24) is eccentric. This force (103) creates a torque transfer (104). We choose the direction of eccentricity so that the tilting moment (104) scrolls the balance of the tipping moment by the tangential gas force (101). Force (103) and the thrust between orbiting scroll and non-orbital (22,24) are minimized as a result. The surface of the rear chamber between the seals (30,32; 54, 56) is also reduced. Reducing the thrust force minimizes the wear of the scrolls (22,24) and reduces friction, reducing the area of ​​the rear chamber releasing at volutes a space that can be used for other purposes.