Polyphase fluid diaphragm pump

Details Polyphase fluid diaphragm pump Polyphase fluid diaphragm pump

1992-08-18

1993-11-23

Bertsch, Richard A.

Pumps

Motor driven

Fluid motor

417383, F04B 4306

Patent

active

052638278

ABSTRACT:
A diaphragm pump for gas-containing fluids, in which the chamber for the fluid to be pumped is of frusto-conical shape corresponding to the elastic diaphragm, the minor-diameter edge of which is connected to a rigid central disc provided at its periphery with a frusto-conical support surface for the underlying diaphragm. A protection system is provided for the elastic diaphragm.

REFERENCES:
patent: 250253 (1881-11-01), Johnston
patent: 2919650 (1960-01-01), Wiggerman
patent: 3391963 (1968-07-01), Weeks
patent: 4353287 (1982-10-01), Weiler
patent: 4784249 (1988-11-01), Harrison
patent: 5145331 (1992-09-01), Goes et al.

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