METHOD AND SYSTEM FOR IMPROVING ENGINE STARTING

摘要

A method and a system for improving operation of an automatically started engine are described. In one example, slip of a disconnect clutch is adjusted to limit an amount of engine torque transferred to vehicle wheels. The method and system adjust disconnect clutch slip in response to transmission input shaft speed and/or engine combustion events.

主权项

1. An engine starting method, comprising:
starting an engine from stop via rotating the engine; and rotating a torque converter impeller speed from zero speed in response to a first predetermined number of engine combustion events since engine stop via engine torque and at least partially closing a torque converter disconnect clutch from an open state.