Valve-controlled displacer unit having valve triggering

Details Valve-controlled displacer unit having valve triggering Valve-controlled displacer unit having valve triggering

1992-11-06

1994-01-11

Bertsch, Richard A.

Pumps

Three or more cylinders arranged in parallel, radial, or...

Radial cylinders

417298, 417446, 417447, F04B 2100

Patent

active

052775534

ABSTRACT:
The invention relates to a valve-controlled positive displacement pump having valve triggering, which permits the forced opening or keeping open of an inlet valve, operating in the manner of a non-return valve, of a displacer working space, so that the displacer working space remains connected to the inlet side of the unit even during the working stroke of the displacer, and the assigned displacer is not able to work efficiently. The design according to the invention is particularly suitable for radial piston pumps.

REFERENCES:
patent: 1678905 (1928-07-01), Goldberg
patent: 2263786 (1941-11-01), Rumpp
patent: 2539277 (1951-01-01), Schroepfer
patent: 4432698 (1984-02-01), Shirakuma

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