Piston diaphragm pump

Details Piston diaphragm pump Piston diaphragm pump

1985-04-15

1986-03-04

Smith, Leonard E.

Pumps

Motor driven

Fluid motor

417386, 417395, 92 98R, F04B 4306

Patent

active

045738858

ABSTRACT:
In a piston diaphragm pump, comprising housing portions clamped together by clamping bolts, a diaphragm, sealingly clamped between adjacent housing portions for separating a feeding chamber from a working chamber, and a reciprocating piston acting in said working chamber filled with hydraulic medium for deflecting the diaphragm to change the volume of the feeding chamber, there is provided at least one supporting member to be screwed to a respective supporting thread in one of said housing portions so as to project towards another housing portion by a distance depending on its screwed position and to abut in the assembled position against an abutment surface on said other housing portion.

REFERENCES:
patent: 121748 (1871-12-01), Blessing
patent: 2659310 (1953-11-01), Ryba
patent: 2959358 (1960-11-01), Vork
patent: 3093086 (1963-06-01), Altoz et al.
patent: 4465438 (1984-08-01), Brauer et al.
patent: 4466339 (1984-08-01), Huddle

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