Vane control for a vane motor

Details Vane control for a vane motor Vane control for a vane motor

1981-02-02

1983-02-22

Lazarus, Ira S.

Rotary expansible chamber devices

Positively actuated vane

Spring biased

418 82, F04C 2356

Patent

active

043746322

ABSTRACT:
A vane motor which uses two-lip vanes has a fluid restrictor in a fluid passage which connects the inner and outer ends of each vane. High pressure fluid is supplied to the inner end of each vane as it traverses the transfer and sealing zone. This fluid flows through the fluid passage to the outer end of the vane to pressure balance the vane. In the event the outer end of a vane is separated from the cam ring the high pressure fluid at the outer end of the vane flows to the low pressure area and a pressure drop is created across the restrictor which results in a force which biases the vane towards the cam ring.

REFERENCES:
patent: 2762312 (1956-09-01), Adams et al.
patent: 2861517 (1958-11-01), Neff
patent: 3223044 (1965-12-01), Adams et al.
patent: 3359914 (1967-12-01), Adams et al.
patent: 3401641 (1968-09-01), Adams et al.
patent: 3781145 (1973-12-01), Wilcox
patent: 4242068 (1980-12-01), Shaw

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