Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lawrence D. Murray0
Date of Patent
May 17, 2011
0Patent Application Number
126269200
Date Filed
November 29, 2009
0Patent Primary Examiner
Patent abstract
A reciprocating liquid or gas pump is driven by bi-directional force. A prime mover causes eccentric weights to rotate, which in turn cause pistons to be driven in linear paths under bi-directional force. This bi-directional force then drives opposing sets of pistons to pump a fluid. The pressurized fluid can then be used for, e.g., driving a hydraulic motor.
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