Radial piston pump or motor having pressure zones on the control

Details Radial piston pump or motor having pressure zones on the control Radial piston pump or motor having pressure zones on the control

1990-09-19

1991-08-20

Smith, Leonard E.

Motors: expansible chamber type

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

Radially disposed cylinders

384291, F01B 1306, F16C 3310

Patent

active

050404512

ABSTRACT:
In an apparatus having a radial piston device, in particular a radial piston pump or motor or the like, a pump body rotates around a control tap. Radially moving pistons are supported in the pump body and with the control tap define a pumping chamber for a fluid medium. This pumping chamber can be connected to both an intake bore and a pressure bore. Further, pressure zones are found on the jacket face of the control tap, between the control tap and the pump body, so that as a result the pump body is mainly supported by hydrostatic forces. These pressure zones are intended to comprise intersecting conduits, with segments of the jacket face remaining between them.

REFERENCES:
patent: 2449297 (1948-09-01), Hoffer
patent: 3875852 (1975-08-01), Bosch
patent: 3893376 (1975-06-01), Nonnenmacher
patent: 3985065 (1976-10-01), Nonnenmacher et al.
patent: 4576488 (1986-03-01), Steiner et al.

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