F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/6
F04B 35/02 (2006.01) F04B 13/00 (2006.01) F04B 53/14 (2006.01) F04B 53/16 (2006.01)
Patent
CA 1162104
A B S T R A C T : Device for pumping free-flowing media, in particular abrasive fluids, whereby the suction and pressure stroke respectively of a displacement pump is transmitted via an operation medium to a separating piston free movable within a separating cylinder and reciprocally spring loaded by springs, said piston admitting the pumping medium and keeping it away from said displacement pump. Said separating piston can at the same time serve as a metering device for a fluid additive (48) which is pressed by said displacement pump, upon pressure stroke, past said separating piston and into said pumping medium.
373760
Dietrich Rolf
Emmerich Josef
Emmerich (josef) Pumpenfabrik G.m.b.h.
Marks & Clerk
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