发明名称 |
RANGE SWITCHING DEVICE |
摘要 |
A parking switching valve includes a spool that is movable to a first position and to a second position. The parking switching valve also has an oil chamber that generates a biasing force from a difference in the pressure receiving area between the land portions of the spool. The oil chamber has a second input port to which a line pressure is input while the spool is in the second position. Because the line pressure is input to the second input port, a biasing force is generated so that the spool is held in the second position against a spring. As a result, a parking device is held in a parking release state.
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申请公布号 |
US2009071275(A1) |
申请公布日期 |
2009.03.19 |
申请号 |
US20080209511 |
申请日期 |
2008.09.12 |
申请人 |
AISIN AW CO., LTD.;TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
YOSHIOKA YUHEI;NODA KAZUYUKI;KAWAMURA TATSUYA |
分类号 |
F16H59/08;B60T1/06;F16H59/54;F16H61/12;F16H61/18;F16H61/22;F16H63/34;G06F17/00 |
主分类号 |
F16H59/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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