| 摘要 |
PROBLEM TO BE SOLVED: To certainly detect damage of a last position seal without using additional sensotronic, by constituting a pressure medium accumulator as simply as possible in an inspecting method of a pressure medium accumulator having a medium separation elements and the last position seal. SOLUTION: After operation pressure in a pressure medium connection circuit is lower than bias pressure previously determined by designing of the pressure medium accumulator, a controller drives a drive unit of a pressure generator, and signal lapse of a measuring device is recorded by the controller over time interval previously determined from the driving of a pressure generator and is compared with a target lapse stored in the controller. COPYRIGHT: (C)2004,JPO
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