Compressor having capacity-controlling mechanism with...

Details Compressor having capacity-controlling mechanism with... Compressor having capacity-controlling mechanism with...

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 49/00 (2006.01) F04C 29/00 (2006.01)

Patent

CA 2254057

A compressor having a capacity-controlling mechanism (37b) is provided, by which the inner-peripheral surface of a blind opening provided in a piston (34b) is subjected to abrasion due to sliding and rotating motions of a coil spring (41b) in the piston. In the capacity-controlling mechanism, the coil spring is covered by a cover (50) made of abrasion resistant material and the covered coil spring is arranged in the blind opening, or a head of the coil spring is engaged to an inner surface of the blind opening.

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