Compressor with oversized blade

Details Compressor with oversized blade Compressor with oversized blade

1992-05-06

1994-07-26

Bertsch, Richard A.

Rotary expansible chamber devices

Helical working member

417355, F01C 2108

Patent

active

053323777

ABSTRACT:
A fluid compressor comprises a cylinder, a cylindrical piston eccentrically disposed inside the cylinder so that the periphery of the piston is partly in contact with the inner face of the cylinder, the piston being movable relative to the cylinder, a spiral groove formed around the piston at pitches that gradually reduce from a suction side toward a discharge side, and a spiral blade fitted in the groove so that the blade is outwardly and inwardly movable in the groove, the blade defining a plurality of work chambers between the inner face of the cylinder and the periphery of the piston. The outer diameter of at least part of the blade is larger than the inner diameter of the cylinder.

REFERENCES:
patent: 2401189 (1946-05-01), Quiroz
patent: 3274944 (1966-09-01), Parsons
patent: 4871304 (1989-10-01), Iida et al.
patent: 5141423 (1992-08-01), Aikawa et al.
Patent Abstracts of Japan vol. 14, No. 91 (M-938)(4034) of Feb. 20, 1990.

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