Pump having a variable instantaneous delivery rate

Details Pump having a variable instantaneous delivery rate Pump having a variable instantaneous delivery rate

1995-06-27

1998-09-22

Thorpe, Timothy

Pumps

Expansible chamber type

Moving cylinder

417221, F04B 1902

Patent

active

058105697

ABSTRACT:
A pump is disclosed having a variable cam arrangement under the influence of which a plunger is reciprocable. The variable cam arrangement comprises a plurality of cam rings which in an embodiment of the pump are relatively moveable in order to adjust the shape of the effective cam surface of the cam arrangement, and hence adjust the delivery rate of the pump.

REFERENCES:
patent: 2561519 (1951-07-01), Leech
patent: 3147746 (1964-09-01), Hofer
patent: 4173959 (1979-11-01), Sosnowski et al.
patent: 4358256 (1982-11-01), Jefferson
patent: 4526154 (1985-07-01), DiDominico
patent: 4930998 (1990-06-01), Scott

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