Vehicle height adjustment device
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United States of America Patent
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Dec 6, 2016
Grant Date -
Sep 22, 2016
app pub date -
Aug 26, 2015
filing date -
Aug 26, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A vehicle height adjustment device includes a spring. An adjustor includes an accommodation chamber accommodating a fluid to adjust a length of the spring based on the fluid amount in the accommodation chamber. A storage chamber stores the fluid. A pump includes a cylinder that takes in the fluid in the storage chamber when a distance between a vehicle body and a vehicle wheel increases, and that discharges the fluid when the distance decreases. A passage switch unit switches among a first state in which the fluid discharged from the pump is guided into the accommodation chamber to increase the fluid amount in the accommodation chamber, a second state in which the fluid in the accommodation chamber is guided into the storage chamber to decrease the fluid amount, and a third state in which the fluid amount is maintained. Without electric current supply, the third state is maintained.
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