Piston type compressor

Details Piston type compressor Piston type compressor

1997-12-05

1999-08-24

Richter, Sheldon J.

Expansible chamber devices

With lubricating means

Portion of expansible chamber device includes solid...

92 71, 92175, F04B 2712, F01B 3100

Patent

active

059411619

ABSTRACT:
A compressor having a cylinder bores and pistons are disclosed. Each piston moves in the associated cylinder to compress gas therein. Each piston slides on an inner peripheral wall of an associated cylinder to seal a compression chamber. Each piston includes an outer peripheral surface and cavities. The outer peripheral surface has a seal to seal the cylinder and a pressure receiving surface to receive reaction forces from the wall of the cylinder. A low friction layer is formed on the pressure receiving surface. The layer facilitates the sliding movement of the piston with respect to the cylinder.

REFERENCES:
patent: 4519119 (1985-05-01), Nakayama et al.
patent: 4701110 (1987-10-01), Iijima
patent: 5630353 (1997-05-01), Mittlefehldt et al.
patent: 5630355 (1997-05-01), Ikeda et al.
patent: 5813315 (1998-09-01), Kristensen et al.

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