发明名称 |
METHOD FOR CONTROLLING A VEHICLE POWERTRAIN HAVING STEP RATIO GEARING AND A CONTINUOUSLY VARIABLE TRANSMISSION TO ACHIEVE OPTIMUM ENGINE FUEL ECONOMY |
摘要 |
<p>A method is disclosed for controlling overall transmission ratios (Fig. 3) in a vehicle powertrain with an engine (10), fixed multiple-ratio gearing (24) and infinetely variable ratio components (49). For a given vehicle speed and for a given vehicle traction wheel horsepower, the fixed multiple-ratio gearing and the infinetely variable ratio components are controlled to operate with an overall ratio that will permit the engine to operate with optimum efficiency.</p> |
申请公布号 |
WO2009050566(A1) |
申请公布日期 |
2009.04.23 |
申请号 |
WO2008IB02743 |
申请日期 |
2008.10.16 |
申请人 |
EATON CORPORATION;MCKENZIE, JAN DANIEL;JACOBS, CRAIG STEVEN |
发明人 |
MCKENZIE, JAN DANIEL;JACOBS, CRAIG STEVEN |
分类号 |
F16H61/662;F16H37/08 |
主分类号 |
F16H61/662 |
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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