Hydraulically controlled diaphragm pump for high pressures

Details Hydraulically controlled diaphragm pump for high pressures Hydraulically controlled diaphragm pump for high pressures

1991-12-12

1993-09-14

Bertsch, Richard A.

Pumps

Motor driven

Fluid motor

417395, 417 63, 92 98R, F04B 4306

Patent

active

052443604

ABSTRACT:
In a hydraulically controlled diaphragm pump for high pressures, the diaphragm situated between the hydraulic control chamber and the working chamber is composite and comprises two thin metal diaphragms having between them an intermediate diaphragm that is thick, is made of synthetic material, has high crushing strength, and is in the form of an elastically deformable vault whose concave side faces towards the working chamber.

REFERENCES:
patent: 2689586 (1954-09-01), Anderson
patent: 3131638 (1964-05-01), Wilson et al.
patent: 3563138 (1971-02-01), Symonds
patent: 3566750 (1971-03-01), Allen
patent: 3722373 (1973-03-01), Beach et al.
patent: 3895524 (1975-07-01), Jurovsky
patent: 4208031 (1980-06-01), Jonak
patent: 4883412 (1989-11-01), Malizard et al.
patent: 5145331 (1992-09-01), Goes et al.

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