Self-controllable capacity compressor

Details Self-controllable capacity compressor Self-controllable capacity compressor

1982-01-22

1983-11-08

Smith, Leonard E.

Rotary expansible chamber devices

Positively actuated vane

F04C 2908

Patent

active

044139632

ABSTRACT:
This invention relates to a compressor controllable in capacity, and more particularly to a compressor comprising a rotor having vanes slidably fitted thereto, a cylinder for receiving the rotor and vanes, side plates rigid on both sides of the cylinder and enclosing a space of a vane chamber defined by the vanes, rotor and cylinder at the sides thereof, and inlet and outlet ports each serving as a passage to communicate the vane chamber with the exterior, wherein the cylinder is oriented to have its top portion where a distance between the outer periphery of the rotor and the inner periphery of the cylinder becomes minimum. The improvement according to this invention is in that the inlet port is positioned so as to make a(.theta.) almost constant, or meet a(.theta.)=a, in a range of 1/2.theta..sub.s <.theta..ltoreq..theta..sub.s and parameters of the compressor are determined to meet the following relation;

REFERENCES:
patent: 3987762 (1976-10-01), Sawada

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