Centrifugal clutch assembly with dedicated maneuvering mode

Details Centrifugal clutch assembly with dedicated maneuvering mode Centrifugal clutch assembly with dedicated maneuvering mode

2005-02-11

2008-03-04

Ho, Ha D. (Department: 3681)

Interrelated power delivery controls, including engine control

Clutch control

Regulated clutch engagement

C177S176000, C177S107000

Reexamination Certificate

active

07338409

ABSTRACT:
A vehicle power train system includes an engine, a transmission, and a centrifugal clutch assembly that selectively couples an engine output shaft to a transmission input shaft in response to an operator input. An operator selects a desired vehicle-operating mode by actuating a shift lever or shift switch from a gear selection device. The gear selection device indicates many different operating modes and includes a low-speed maneuvering mode that is selected for low-speed operations such as coupling a truck to a trailer, or positioning a truck and/or trailer in relation to a loading dock area. Once the low-speed maneuvering mode is selected, a control unit controls at least one of engine speed and engine torque to indirectly effect clutch slippage, which results in improved vehicle speed control at low-speed operations.

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