Rotary positive displacement machine

Details Rotary positive displacement machine Rotary positive displacement machine

1981-01-02

1983-09-27

Feinberg, Craig R.

Rotary expansible chamber devices

Interengaging rotating members

F01C 118, F04C 1818

Patent

active

044066015

ABSTRACT:
The invention concerns the formation of the high pressure port in a rotary, positive displacement machine, such as a gas compressor, with an extension which is traversed by the plane on which the parallel axes of the rotors are commonly positioned. A given portion of the port extension is constantly occluded by the gating rotor and, consequently does not add to the effective area of the port. However, the remaining portion of the extension is exposed by the gating rotor, effectively defining a port opening which reaches to the common plane. Thus, in gas compressor use of the machine, the port extension insures that all the compressed gas product is delivered through the exhaust port.

REFERENCES:
patent: 3472445 (1969-10-01), Brown
patent: 3894822 (1975-07-01), Abaidullin et al.
patent: 3989413 (1976-11-01), McGahan et al.
patent: 4138848 (1979-02-01), Bates
patent: 4224016 (1980-09-01), Brown
patent: 4324538 (1982-04-01), Brown

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