Variable speed hydraulic pump system for liquid trailer

Details Variable speed hydraulic pump system for liquid trailer Variable speed hydraulic pump system for liquid trailer

F - Mech Eng,Light,Heat,Weapons

16

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F16H 39/02 (2006.01) F04B 9/10 (2006.01) F04B 15/08 (2006.01) F04B 37/08 (2006.01)

Patent

CA 2070013

The present invention relates to a hydraulic pump system comprising: (a) a variable displacement pump; (b) an engine used to drive the variable displacement pump; (c) a power takeoff unit for engaging or disengaging the engine from the variable displacement pump; (d) a hydraulic motor driven by the variable displacement pump via hydraulic fluid pressure; (e) a liquid pump driven by the hydraulic motor; (f) a hydraulic fluid cooler in communication with the hydraulic motor; (g) a hydraulic fluid reservoir in communication with the cooling means and the inlet the variable displacement pump; (h) hydraulic piping and/or hose for connecting the hydraulic motor, cooler, reservoir and variable displacement pump; and (i) filters located within the hydraulic piping and/or hose.

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