发明名称 |
System for monitoring a hydraulic accumulator |
摘要 |
A high-pressure source of hydraulic fluid and a sump are connected to a cyclically operating user of hydraulic fluid having a hydraulic accumulator by a high-pressure feed line having one end connected to the source and an opposite end connected to the accumulator and user. A pressure-limiting valve has an input side connected to the high-pressure line between the ends thereof and an opposite output side connected to the sump. This valve opens only when pressure in the line exceeds a preset maximum to allow flow between its sides. A detector is connected to the output side of the valve for measuring the peak pressure thereof over several operating cycles of the user and a controller is connected to the detector for operating when the peak pressure detected over several operating cycles exceeds a predetermined threshold.
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申请公布号 |
US4967553(A) |
申请公布日期 |
1990.11.06 |
申请号 |
US19890370898 |
申请日期 |
1989.06.23 |
申请人 |
EIMCO-SECOMA, SOCIETE ANONYME |
发明人 |
BARTHOMEUF, JEAN-CLAUDE S. |
分类号 |
F15B1/033;F15B19/00 |
主分类号 |
F15B1/033 |
代理机构 |
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