VARIABLE DISPLACEMENT PISTON PUMP WITH ELECTRONIC CONTROL UNIT TO PROVIDE DIRECT METERING CONTROL

A variable displacement piston pump, having: a housing (170), a pivot assembly (190) to pivot between minimal and maximum pivot angles; a pump cover (350) defining an actuator bore with an actuator piston (370), an actuator arm (380) extending from the actuator piston to the pivot assembly; and an e...

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Hauptverfasser: SHOWMAKER, Mark W, NI, Weishun William, GOY, Edward W, HARDER, Benjamin T
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Sprache:eng ; fre ; ger
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creator SHOWMAKER, Mark W
NI, Weishun William
GOY, Edward W
HARDER, Benjamin T
description A variable displacement piston pump, having: a housing (170), a pivot assembly (190) to pivot between minimal and maximum pivot angles; a pump cover (350) defining an actuator bore with an actuator piston (370), an actuator arm (380) extending from the actuator piston to the pivot assembly; and an electronic control unit (ECU) coupled to the pump, the ECU having: a pump controller (400), a linear variable differential transducer (LVDT) coupled to the pump controller and the actuator piston, and an electrohydraulic solenoid valve (EHSV) coupled to the pump controller, the ECU is configured to: determine a pivot differential for the pivot assembly between a target pivot angle and a current pivot angle; determine a position differential for the actuator piston, corresponding to the pivot differential of the pivot assembly; control the EHSV to move the actuator piston by the position differential; and determine, from the LVDT, that the actuator piston moved by the position differential.
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language eng ; fre ; ger
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subjects BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
title VARIABLE DISPLACEMENT PISTON PUMP WITH ELECTRONIC CONTROL UNIT TO PROVIDE DIRECT METERING CONTROL
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