公开(公告)号：US20060211539A1

公开(公告)日：2006-09-21

申请号：US11085640

申请日：2005-03-21

申请人： Michael Bonne ,  Mark Duty ,  John Mitchell ,  Gregory Pannone ,  Michael Prucka ,  Marc Sullivan

发明人： Michael Bonne ,  Mark Duty ,  John Mitchell ,  Gregory Pannone ,  Michael Prucka ,  Marc Sullivan

IPC分类号： F16H61/40

CPC分类号： F16H61/48 ,  B60W30/20 ,  F16H57/0006 ,  F16H59/74 ,  F16H2059/467 ,  Y10T477/631 ,  Y10T477/633 ,  Y10T477/6333 ,  Y10T477/6353 ,  Y10T477/6357 ,  Y10T477/636 ,  Y10T477/6745

摘要： Prior to transitioning a multiple-displacement engine from a full-displacement engine operating mode to a partial-displacement engine operating mode, a base slip rate of a torque converter coupled to the engine engine is increased by a predetermined slip rate offset. The engine is then transitioned to partial-displacement mode upon the earlier of either achieving the desired offset slip rate, or once a maximum time delay has occurred since the slip rate offset was enabled. An offset slip rate is maintained throughout partial-displacement engine operation, and through a transition back to a full-displacement mode. The slip rate offset is removed or disenabled once the engine is again operating in the full-displacement mode. The slip rate offset is either a calibratable constant or is determined as a function of one or more suitable engine or vehicle operating parameters affecting vehicle NVH levels, such as engine speed and vehicle speed.

摘要翻译： 在将多排量发动机从全排量发动机运转模式转换为部分排量发动机运转模式之前，耦合到发动机发动机的变矩器的基本滑移率增加预定的滑移率偏移量。 然后，在实现期望的偏移滑移率之后，或者由于滑差率偏移被使能以来，一旦发生最大时间延迟，则发动机转换到部分位移模式。 部分排量发动机运行期间保持偏移滑移率，并通过转换回全位移模式。 一旦发动机再次以全位移模式运转，滑移率偏移量被移除或停用。 滑差率偏移是可校准的常数，或者被确定为影响车辆NVH水平的一个或多个合适的发动机或车辆操作参数的函数，例如发动机速度和车辆速度。