Motors: expansible chamber type – Cyclically operable – Working member controlled motive fluid for distributor motor
Patent
1994-02-23
1995-11-14
Lopez, F. Daniel
Motors: expansible chamber type
Cyclically operable
Working member controlled motive fluid for distributor motor
91317, F01L 2502
Patent
active
054656460
ABSTRACT:
An improved hydraulic motor includes a cylinder having a head end and a rod end, and a piston reciprocable in the cylinder dividing it into a first expansible chamber toward the head end and a second expansible chamber toward the rod end. Fluid under pressure from a supply source is continually delivered to the second chamber. A fluid directional valve controls the delivery of fluid to and exhaust of fluid from the first chamber for reciprocating the piston within the cylinder. The piston has valving associated therewith for controlling the operation, in conjunction with a relay valve, of the fluid directional valve.
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Lopez F. Daniel
McNeil (Ohio) Corporation
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