Hydraulic leak detection system
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United States of America Patent
Stats
-
May 5, 1998
Issued Date -
N/A
app pub date -
Jan 7, 1997
filing date -
May 13, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for detecting leaks in a hydraulic system. The system shuts down the hydraulic system if a leak is detected and notifies individuals in the area that a leak has occurred. The leak detection system has sensors for measuring hydraulic system parameters and a computer for detecting abnormalities in the system based on values returned by the sensors. Sensors used in the example leak detection system include an RPM pickup, a pressure transducer, a flow meter and an hydraulic fluid level and temperature switch. Outputs of the sensors are analyzed by the computer to determine if the hydraulic system has a leak. If a leak is detected, the computer sends response signals to a device for engaging or disengaging the prime mover from the hydraulic pump and to another device for actuating a valve to stop hydraulic fluid flow from the reservoir. The computer may also send indicator signals to a display console for activating a warning light, a buzzer or a display.
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