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Cranking Capability Determination In A Hybrid Electric Vehicle With Integrated Starter/Generator

IP.com Disclosure Number: IPCOM000010919D
Publication Date: 2003-Jan-31
Document File: 1 page(s) / 58K

Publishing Venue

The IP.com Prior Art Database

Abstract

In some hybrid electric vehicel (HEV) applications, the same motor which is used as a generator, is used for starting the engine, a.k.a. integrated starter/generator (ISG). These motors are equipped with controllers which can accept torque commands and provide feedback signals. When their torque is sufficient to crank the engine to higher RPMs, the engine fuelling can be delayed. This is beneficial for fuel economy and emissions reduction, particularly when strategy stop/start functionality is used, hence, more starts occur during vehicle operation.

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