Rotary pump with simplified pump housing

Details Rotary pump with simplified pump housing Rotary pump with simplified pump housing

1993-01-19

1994-01-11

Look, Edward K.

Rotary expansible chamber devices

With mechanical sealing

Axially movable end wall or end wall portion

F01K 1908

Patent

active

052775658

ABSTRACT:
A rotary pump is provided with a pump housing, a rotor situated in the pump housing and rotatable by means of a drive shaft, and also blade elements which are accommodated so that they can slide in grooves on the periphery of the rotor, and which interact in a sealing manner with a fixed cam surface. The pump housing is composed of three pump housing parts tightly connected to each other, the central pump housing part containing the cam surface. In order to simplify the housing, a port plate is provided with supply ports and discharge ports and accommodated in the central pump housing part. Preferably, the blade elements rest with one of their sides faces against an end face which is formed by the inward-facing surface of an outer pump housing part.

REFERENCES:
patent: 1989900 (1935-02-01), Vickers
patent: 2766700 (1956-10-01), Klessig
patent: 2861517 (1958-11-01), Neff
patent: 4264288 (1981-04-01), Wustof et al.
patent: 4416598 (1983-11-01), Merz
patent: 5171131 (1992-12-01), Niemiec

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