Air valving mechanism, in combination with a double diaphragm pu

Details Air valving mechanism, in combination with a double diaphragm pu Air valving mechanism, in combination with a double diaphragm pu

1993-01-25

1994-08-02

Bertsch, Richard A.

Pumps

Motor driven

Fluid motor

91329, F04B 4306

Patent

active

053340035

ABSTRACT:
A double diaphragm pump subassembly, having a pair of diaphragm mounting plates, wholly confines an air valving mechanism between the plates. The mechanism is modular in nature, being substantially devoid of fasteners, and is nested in the plates for easy removal and parts replacement.

REFERENCES:
patent: 2307566 (1943-01-01), Browne
patent: 3652187 (1972-03-01), Loeffler
patent: 3782863 (1974-01-01), Rupp
patent: 3791768 (1974-02-01), Wanner
patent: 4019838 (1977-04-01), Fluck
patent: 4172698 (1979-10-01), Minz et al.
patent: 4406596 (1983-09-01), Budde
patent: 4472118 (1984-09-01), Rupp

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