Sliding-vane rotary compressor

Details Sliding-vane rotary compressor Sliding-vane rotary compressor

1989-06-14

1990-07-17

Koczo, Michael

Rotary expansible chamber devices

With plural working fluid inlet or outlet passages

418270, F04C 18344, F04C 2908

Patent

active

049418106

ABSTRACT:
A sliding-vane rotary compressor includes a cylinder having a plurality of discharge holes aligned in an axial direction of the cylinder, and a corresponding number of discharge valves normally closing the respective discharge holes. Respective openings of the discharge valves are limited in such a manner as to increase progressively in a direction from a front side to a rear side of the cylinder to thereby produce a pressure difference between the front and rear sides of the cylinder. With this pressure difference, the cylinder is normally urged toward one side and hence is unlikely to oscillate in the axial direction. The compressor thus constructed is capable of operating silently without generating an unpleasant oscillating noise.

REFERENCES:
patent: 4389170 (1983-06-01), Hayashi
patent: 4408968 (1983-10-01), Inagaki et al.
patent: 4619595 (1986-10-01), Amano et al.
patent: 4668172 (1987-05-01), Shibuya et al.
patent: 4702684 (1987-10-01), Takao et al.

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