Radial piston pump

Details Radial piston pump Radial piston pump

1996-05-13

1998-02-10

Thorpe, Timothy

Pumps

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

Radial cylinders

417312, F04B 104

Patent

active

057161984

ABSTRACT:
A radial piston pump having a shaft which is mounted in a pump housing an eccentric in the shaft and a stationary piston ring surrounding the eccentric. The piston ring receives the pistons arranged in radial direction to the shaft and surrounding the eccentric. The piston ring is provided with bore holes that open toward the eccentric, for receiving the pistons. The bore holes are closed off at their ends facing away from the eccentric by respective closure plugs. The piston ring is surrounded by a portion of the pump housing, e.g., an annular wall part, so that a liquid filled chamber is defined at least between the closure plugs and the inner side of the portion of the pump housing.

REFERENCES:
patent: 1115397 (1914-10-01), Clawson
patent: 3067728 (1962-12-01), Bordini
patent: 4747761 (1988-05-01), Yumiyama et al.
patent: 4975025 (1990-12-01), Yamamura et al.
patent: 5237907 (1993-08-01), Poschl
patent: 5482442 (1996-01-01), Blair et al.
European Search Report dated 2 Oct. 1996.

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