F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
138/96
F04B 1/02 (2006.01) F04B 9/105 (2006.01) F04B 15/02 (2006.01)
Patent
CA 2013356
Abstract The invention relates to a two-cylinder thick matter pump having a pis- ton storage which is filled during the thick matter feed with the feed cylinders and evacuated by the hydrocontrolled storage piston into the feed pipe between the strokes of the feed pistons to reduce the pressure drop and the undelivered amount in the feed pipe. The inventive proposal is that the hydrocontrol (2) of the storage piston (10) is served by a working piston (8) to be acted upon hydraulically on both sides, that is controlled with the feed cylinders and whose limits of travel, with the limits of travel of the storage piston ( 10), are fixed on the storage driv- ing cylinder (7) when the storage cylinder (4) is fully evacuated and is filled (Fig. 1).
Merten Wolfgang
Schwing Friedrich
Fetherstonhaugh & Co.
Friedrich Wilh. Schwing Gmbh
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