Motors: expansible chamber type – Plural relatively movable or rigidly interconnected working... – Condition responsive means for modifying working member...
Patent
1977-08-22
1980-06-10
Cohen, Irwin C.
Motors: expansible chamber type
Plural relatively movable or rigidly interconnected working...
Condition responsive means for modifying working member...
91517, 91518, 91520, F15B 1120, F15B 1307
Patent
active
042066891
ABSTRACT:
A priority system has a valve assembly which has an inlet, first and second outlets, and apparatus for controllably limiting fluid pressure at the first outlet to a preselected maximum value by controllably communicating the second outlet with the inlet. The priority system has a fluid reservoir, a work element and control apparatus connected to the work element, second outlet and reservoir which receives fluid from the second outlet and passes the fluid to the fluid reservoir or work element.
REFERENCES:
patent: 3099284 (1963-07-01), Thrap et al.
patent: 3373763 (1968-03-01), Smilges et al.
patent: 3463187 (1969-08-01), Rue
patent: 3700396 (1972-10-01), Adams
patent: 3811363 (1974-05-01), Cryder
patent: 4030522 (1977-06-01), Heiser
Caterpillar Tractor Co.
Cohen Irwin C.
Grant John W.
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