Vehicle control system

Details Vehicle control system Vehicle control system

2007-03-27

2007-03-27

Ho, Ha (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

C477S115000

Reexamination Certificate

active

10979922

ABSTRACT:
A vehicle control system which is capable of performing a quick decelerating operation in all vehicle speed regions and setting a direct region where power from an engine is transmitted through a mechanical transmission unit only in a hydro-mechanical transmission. The vehicle control system includes an engine and a hydro-mechanical transmission and is designed to set a tractive force-vehicle speed characteristic corresponding to the direct region where power transmission from the input shaft to the intermediate output shaft of the hydro-mechanical transmission is done by the mechanical transmission unit alone in a specified engine speed region. An engine control system controls the engine and a decelerator outputs a deceleration command according to an operating amount thereof. The engine control system controls the engine to reduce engine output torque corresponding to a specified engine speed region in response to the deceleration command.

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RelatedU.S. Appl. No. 10/946,516, filed Sep. 21, 2004; Title: Vehicle Control System; Inventors: Masahiro Funato et al.

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