Pumps and motors

Details Pumps and motors Pumps and motors

1982-06-29

1984-12-04

Smith, Leonard E.

Rotary expansible chamber devices

Interengaging rotating members

Like rotary members

418206, 418270, F01C 118

Patent

active

044861605

ABSTRACT:
A pump or motor comprising a casing, housing at least one rotary member and having an inlet port and an outlet port, cam means rotatable by said member and a fluid displacement device which is driven by the cam means and which includes at least one reciprocable element. This element, upon rotation of said member through each revolution, so repeatedly projects into a chamber in the casing which is in communication with one of said ports as to effect a series of momentary decreases in the effective volume of that chamber and the element is also so repeatedly retracted from that chamber as to effect a series of momentary increases in the effective volume of the chamber. In this way momentary flow of fluid is caused repeatedly to occur out from, and back into, the chamber thereby substantially reducing pulsation of flow through the pump or motor, and also attendant noise, during operation.

REFERENCES:
patent: 3785758 (1974-01-01), Adams
patent: 4079865 (1978-03-01), Kutik

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