Vehicle height adjustment device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 5, 2016
Grant Date -
Jan 28, 2016
app pub date -
Mar 12, 2014
filing date -
Mar 14, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vehicle height adjustment device includes a jack chamber for supporting a spring receiver supporting a suspension spring's one-side end portion and a fluid-pressure driving unit for supplying/discharging an operating fluid into/out of the jack chamber and elevating up/down the spring receiver. The fluid-pressure driving unit includes a pump for selectively supplying the operating fluid to a first or second channel and a tank connected to the first or second channel not receiving an operating fluid's supply from the pump. The vehicle height adjustment device further includes a jack channel allowing the first channel and the jack chamber to communicate with each other, a valve body closing the jack channel, capable of opening/closing, a spring for urging the valve body in a direction for shutting off the jack channel, and a pilot line for having a second channel's pressure act on the valve body so the jack channel is opened.
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