Motors: expansible chamber type – Fluid supply through diverse paths to single expansible chamber
Patent
1978-10-30
1980-07-01
Hershkovitz, Abraham
Motors: expansible chamber type
Fluid supply through diverse paths to single expansible chamber
60484, 60486, 91521, 91531, F01B 2502
Patent
active
042100615
ABSTRACT:
A three-circuit fluid system has at least one work element served by a pressurized fluid source and a plurality of work elements connected in interruptible series in each of the second and third circuits. A control system is provided for selectively diverting excess fluid from the pressurized fluid source of the first circuit to the second and third circuits in one mode of the control system and diverting excess fluid from the pressurized fluid source of the first circuit to only preselected work elements of the second and third circuits in a preselected order in another mode of the control system.
REFERENCES:
patent: 3208221 (1965-09-01), Schuetz
patent: 3720059 (1973-03-01), Schurawski
patent: 3922855 (1975-12-01), Bridwell
patent: 4024797 (1977-05-01), Johnson
Caterpillar Tractor Co.
Grant John W.
Hershkovitz Abraham
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