Device for detecting that a membrane in a membrane pump has brok

Details Device for detecting that a membrane in a membrane pump has brok Device for detecting that a membrane in a membrane pump has brok

1988-12-14

1989-11-21

Croyle, Carlton R.

Pumps

With signal, indicator, or inspection means

417395, 417413, 92 98R, F04B 4306, F04B 4504

Patent

active

048818763

ABSTRACT:
The groove (13) for detecting the presence of a fluid between the membranes (1, 2) and indicating that one or other of them has broken, is profiled so as to be bullet-shaped, thereby preventing the membranes from being extruded into the groove under the effect of pumping pressure.

REFERENCES:
patent: 2662478 (1953-12-01), Burre
patent: 3131638 (1964-05-01), Wilson et al.
patent: 3605566 (1971-09-01), Vetter
patent: 3661060 (1972-05-01), Bowen
patent: 4569634 (1986-02-01), Mantell
patent: 4781535 (1988-11-01), Frawley et al.
patent: 4787825 (1988-11-01), Mantell

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