Linear actuator assembly and system
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United States of America Patent
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Jul 13, 2021
Grant Date -
Jul 16, 2020
app pub date -
Dec 13, 2019
filing date -
Jun 2, 2014
priority date (Note) -
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Abstract
A linear actuator system includes a linear actuator and at least one integrated pump assembly connected to the linear actuator to provide fluid to operate the linear actuator. The integrated pump assembly includes a pump with at least one fluid driver comprising a prime mover and a fluid displacement assembly to be driven by the prime mover such that fluid is transferred from a first port of the pump to a second port of the pump. The pump assembly also includes two valve assembles to isolate the pump from the system. The linear actuator system also includes a controller that establishes at least one of a speed and a torque of the at least one prime mover to exclusively adjust at least one of a flow and a pressure in the linear actuator system to an operational set point.
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