Control-circuit throttle valve

Details Control-circuit throttle valve Control-circuit throttle valve

1984-05-08

1985-05-28

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Fluid operated

251209, F15B 1316

Patent

active

045192960

ABSTRACT:
A control-circuit throttle valve assembly coupled to and regulating a hoisting unit correcting element or final control element of a tractor via a mechanical coupling including a throttle housing, a flow restrictor throttling body shiftably mounted in the throttle housing, the throttling body having a guiding edge portion, a control conduit with a circular cross-section communicating with the throttle housing, the control conduit including a pass-through area, and a run-off conduit communicating with the throttle housing, the guiding edge portion at least partially closing off communication between the control circuit and the throttle housing through the pass-through area upon shifting of the throttling body within the throttle housing such that the pass-through area is throttled as a linear function during operation of the hoisting unit.

REFERENCES:
patent: 1967851 (1934-07-01), Wilson
patent: 3198479 (1965-08-01), Greenwood
patent: 3215045 (1965-11-01), Lissau
patent: 3433261 (1969-03-01), Fox
patent: 4094229 (1978-06-01), Leonard

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