Hydraulic diaphragm pump

Details Hydraulic diaphragm pump Hydraulic diaphragm pump

1998-02-20

2000-06-06

Thorpe, Timothy S.

Pumps

Motor driven

Fluid motor

417388, 417440, F04B 908, F04B 2300

Patent

active

060710896

ABSTRACT:
A high pressure hydraulic diaphragm pump having a pressure chamber on one side of a diaphragm and a fluid delivery chamber on the other side of the diaphragm with a reciprocating piston assembly including a piston member being provided for pressurizing the hydraulic fluid in the pressure chamber and having the pressure chamber connected with a pressure regulator which maintains the desired discharge pressure of the fluid and in which the piston assembly is combined with a diaphragm positioning mechanism for maintaining the diaphragm at a desired position relative to the piston member so as to assure full stroke of the diaphragm during normal operation of the pump.

REFERENCES:
patent: 3775030 (1973-11-01), Wanner
patent: 3849029 (1974-11-01), Creager et al.
patent: 3884598 (1975-05-01), Wanner
patent: 4008009 (1977-02-01), Kovacs et al.
patent: 4050859 (1977-09-01), Vork
patent: 4749342 (1988-06-01), Fritsch
patent: 4865528 (1989-09-01), Fritsch et al.
patent: 5707219 (1998-01-01), Powers

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