Swash plate type compressor having a center cavity in surface of

Details Swash plate type compressor having a center cavity in surface of Swash plate type compressor having a center cavity in surface of

1986-04-29

1987-02-10

Croyle, Carlton R.

Expansible chamber devices

Relatively movable working members

Interconnected with common rotatable shaft

417269, 92153, 74 60, F01B 300, F04B 118

Patent

active

046415700

ABSTRACT:
A swash plate type compressor having shoes provided with center holes on the slidable surfaces. The center hole provided with a bottom acts as a reservoir for lubricating oil and supplys the oil on the slidable surface of the shoe, which slides against the swash plate. There can be a second ring groove concentric to the center hole, or annexed grooves which are stretching outward radially from the center hole. The center hole also prevents the center part from protruding outward by thermal expansion, which is caused by friction. The slidable surface of the shoe is preferably coated with a layer containing solid lubricant so as to smooth the sliding motions.

REFERENCES:
patent: 2721519 (1955-10-01), Henrichsen
patent: 3395948 (1968-08-01), Andrews
patent: 3793923 (1974-02-01), Smith
patent: 4244279 (1981-01-01), Stewart et al.
patent: 4261250 (1981-04-01), Ohrberg
patent: 4263814 (1981-04-01), Takaoka
patent: 4268225 (1981-05-01), Nakayama
patent: 4285640 (1981-08-01), Makai
patent: 4329913 (1982-05-01), Nakayama
patent: 4347046 (1982-08-01), Brucken
patent: 4420986 (1983-12-01), Nakayama

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