Motors: expansible chamber type – Cyclically operable – Distributor in piston
Patent
1981-11-10
1984-07-10
Maslousky, Paul E.
Motors: expansible chamber type
Cyclically operable
Distributor in piston
91229, 92 85A, 92164, F01L 1512, F01L 2104
Patent
active
044585799
ABSTRACT:
A hydraulically driven reciprocating motor (10) includes a hydraulic cylinder (12) and a piston (60) mounted for reciprocation within the cylinder. The piston has passageways (74) formed therethrough which are normally sealed by a floating valve (90). Rods (76) are carried by the piston (60) and normally project from one end thereof. When the piston (60) reaches the limit of its travel in one direction the rods (76) disengage the floating valve (90), thereby opening the passageways (74) through the piston (60) to permit movement of the piston (60) in the opposite direction. When the piston (60) reaches the limit of its travel in the opposite direction, the floating valve (90) again seals the passageways (74) through the piston (60) to complete the operating cycle of the motor (10).
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Maslousky Paul E.
O'Neil Michael A.
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