F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
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.
Ishii Mikihiko
Kawada Minoru
Marks & Clerk
Mitsubishi Heavy Industries Ltd.
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