发明名称 |
High pressure pump actuation in a vehicle |
摘要 |
A drive system comprises a shaft in rotational engagement with a crankshaft of an engine, the shaft including a first cam having a first quantity of lobes; and a second cam having a second quantity of lobes greater than the first quantity of lobes; and a selection mechanism to selectively engage a follower to one of the first cam or the second cam. A method comprises rotating a shaft having a first cam and a second cam; monitoring operating parameters of a vehicle; operating a fuel pump of the vehicle at a desired capacity based on the monitoring, including selectively engaging the fuel pump to one of the first cam and the second cam.
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申请公布号 |
US7792629(B2) |
申请公布日期 |
2010.09.07 |
申请号 |
US20070959773 |
申请日期 |
2007.12.19 |
申请人 |
GM GLOBAL TECHNOLOGY OPERATIONS, INC. |
发明人 |
SCZOMAK DAVID P.;GWIDT JESSE M.;SMITH STUART R. |
分类号 |
F02D41/00;F02M39/02 |
主分类号 |
F02D41/00 |
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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