KR100866352B

KR100866352B

A diagnosis method for the shutoff valve of a hydraulic actuator is provided to prevent the abnormal operation of the hydraulic actuator when the shutoff valve is malfunctioning or fault. A diagnosis method for the shutoff valve of a hydraulic actuator includes a step(S110) for mounting a pressure s...

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1. Verfasser: YANG, CHEON KYU
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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creator YANG, CHEON KYU
description A diagnosis method for the shutoff valve of a hydraulic actuator is provided to prevent the abnormal operation of the hydraulic actuator when the shutoff valve is malfunctioning or fault. A diagnosis method for the shutoff valve of a hydraulic actuator includes a step(S110) for mounting a pressure sensor on one side of a pilot oil supply part of the shutoff valve, a step(S120) for supplying the pilot oil to the pilot oil supply part through a pilot port of the shutoff valve, a step(S130) for measuring the pressure of the pilot oil exerting on the pilot oil supply part with the pressure sensor, and a step(S140) for diagnosing damage to a delta weal the pilot oil supply part by using the measured pressure of the pilot oil.
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subjects MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title KR100866352B
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