Diaphragm for an hydraulically driven diaphragm pump

Details Diaphragm for an hydraulically driven diaphragm pump Diaphragm for an hydraulically driven diaphragm pump

1991-06-03

1993-02-23

Bertsch, Richard A.

Pumps

With signal, indicator, or inspection means

F04B 2100

Patent

active

051885158

ABSTRACT:
In a diaphragm 1 for an hydraulically driven diaphragm pump provided with a device 22 for the indication of a diaphragm rupture wherein the diaphragm 1 is clamped at the margin between the pump housing 2 and pump cover 3 and comprises at least two individual layers 20, 21 between which a diaphragm interspace 19 is formed which is connected with the indicator device 22, the implementation is selected so that the individual diaphragm layers 20, 21 for the purely mechanical coupling during the pressure stroke as well as during the intake stroke are connected through a multiplicity of connecting areas 27 or 30 with the formation of interspaced free areas or free spaces.

REFERENCES:
patent: 3605566 (1971-09-01), Vetter

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