发明名称 |
Electronically controlled range valve for multi-speed planetary transmission |
摘要 |
A shift by wire control for a multi-speed vehicle transmission is provided. The control includes a shift by wire shift valve in fluid communication with other shift valves and clutch trim valves to provide double blocking features in the neutral range and a reverse range. The shift by wire valve is configured with multiple differential areas to provide failure modes for all forward ranges.
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申请公布号 |
US8371988(B2) |
申请公布日期 |
2013.02.12 |
申请号 |
US20090510487 |
申请日期 |
2009.07.28 |
申请人 |
ALLISON TRANSMISSION, INC.;LONG CHARLES F.;TAYLOR CHARLES T. |
发明人 |
LONG CHARLES F.;TAYLOR CHARLES T. |
分类号 |
F16H61/26 |
主分类号 |
F16H61/26 |
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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