Hydraulic valve control device

Details Hydraulic valve control device Hydraulic valve control device

1982-06-21

1985-10-15

Fisher, Richard V.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

13762412, 13762511, 13762418, 251249, 2512495, F16K 2100

Patent

active

045467870

ABSTRACT:
A motor-operable fluid valve for a pump includes a valve body defining an open central portion, at least one high pressure inlet port in fluid communication with the open central portion, a plurality of lower pressure inlet and/or outlet ports in fluid communication with the open central portion via an array of flow passages, and a valve rotor having a plurality of openings and movably disposed within the open central portion between the line of flow from the high pressure to the lower pressure ports. The valve rotor further includes a centrally mounted shaft operable to selectively connect inlet and outlet ports; said valve further comprising a rotational means on the shaft of the valve rotor and a drive gear cooperative with the rotational means and comprising a top face and a bottom face, the top face being sloped so as to form a cam such that when the drive gear is rotated the rotational means may be raised and lowered by the camming action.

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patent: 3730208 (1973-05-01), Lewis
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patent: 3924652 (1975-12-01), Kah, Jr.
patent: 4090532 (1978-05-01), Story, Jr.
patent: 4372334 (1983-02-01), Paul, Jr.

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