Single screw mechanism with gaterotor housing at intermediate pr

Details Single screw mechanism with gaterotor housing at intermediate pr Single screw mechanism with gaterotor housing at intermediate pr

1989-05-31

1991-05-28

Smith, Leonard E.

Rotary expansible chamber devices

Interengaging rotating members

Non-parallel axis

418196, F04C 1812, F04C 2300

Patent

active

050189522

ABSTRACT:
The present invention is an improvement upon conventional single-screw menisms in that the gaterotor housing is substantially isolated from both the inlet and outlet port areas by a window opening path through the casing whereby the gaterotor teeth pass for engagement with the mainrotor. The window path has been extended and has close clearances provided on both sides of the entering gaterotor teeth creating two barriers to internal leakage thereby reducing window path losses, increasing volumetric efficiency and allowing higher pressure capability.

REFERENCES:
patent: 4105378 (1978-08-01), Hodge
patent: 4153395 (1979-05-01), O'Neill
patent: 4293291 (1981-10-01), Link
patent: 4321022 (1982-03-01), Zimmern
patent: 4373881 (1983-02-01), Matsushita
patent: 4824348 (1989-04-01), Winyard

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