Hydraulic driven diaphragm pump with mechanical diaphragm stroke

Details Hydraulic driven diaphragm pump with mechanical diaphragm stroke Hydraulic driven diaphragm pump with mechanical diaphragm stroke

1997-06-19

1999-05-04

Freay, Charles G.

Pumps

Motor driven

Fluid motor

417388, 92 97, 92100, F04B 908

Patent

active

058996710

ABSTRACT:
For a hydraulically driven diaphragm pump with a diaphragm consisting of at least two individual layers, these layers are clamped at least in their central area between a coupling part on the feed area side and the hydraulics area side and are thus mechanically linked with one another. The coupling parts are also connected with a relay valve of a leak replenishment system which is attached in the pump body in a moveable manner.

REFERENCES:
patent: 1101266 (1914-06-01), Franklin
patent: 2919650 (1960-01-01), Wiggermann
patent: 3075468 (1963-01-01), Eifel
patent: 3277829 (1966-10-01), Burgert
patent: 4741252 (1988-05-01), Harter et al.
patent: 4828464 (1989-05-01), Maier et al.
patent: 4865528 (1989-09-01), Fritsch et al.
patent: 4883412 (1989-11-01), Malizard et al.
patent: 5246351 (1993-09-01), Horn et al.

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