Hydraulic pressure control device
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United States of America Patent
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Jul 7, 2020
Grant Date -
Mar 14, 2019
app pub date -
Oct 21, 2016
filing date -
Oct 23, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The hydraulic pressure control includes a valve portion which adjusts a fluid flowing into or flowing out of a hydraulic pressure chamber, a state judging portion which judges whether or not a state of the hydraulic pressure chamber is in a state in which the actual pressure is increasing even the holding signal has been inputted to the valve portion and a control portion which executes a specific control which keeps the actual pressure to the hydraulic pressure within the dead zone when the state judging portion judges that the state of the hydraulic pressure chamber is in a state that the actual pressure fluctuates even the holding signal has been inputted to the valve portion.
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