Assisted lever-shifted transmission

Details Assisted lever-shifted transmission Assisted lever-shifted transmission

1997-12-15

1999-04-20

Marmor, Charles A.

Machine element or mechanism

Gearing

Interchangeably locked

477109, F16H 5904

Patent

active

058947582

ABSTRACT:
A partially automated transmission system (100) and method for controlling same is provided. The system includes a manually shifted transmission (10), preferably a compound transmission having a splitter and/or range auxiliary section (14) and a manually shifted main section (12). The main section is shifted by a manual shift lever (57). In a preferred embodiment, the auxiliary section is controlled by an auxiliary section actuator (116) under control from a system ECU (146). A sensor (56) is provided for sensing the position of the shift lever and for providing a signal indicative thereof. A control parameter having a value indicative of the rate of change of shift lever position (d/dt (lever position)) is determined and used as a system control parameter.

REFERENCES:
patent: 4570502 (1986-02-01), Klatt
patent: 4593580 (1986-06-01), Schulze
patent: 4722248 (1988-02-01), Braun
patent: 4850236 (1989-07-01), Braun
patent: 5167311 (1992-12-01), Satoh et al.
patent: 5435212 (1995-07-01), Menig
patent: 5582558 (1996-12-01), Palmeri et al.
patent: 5651292 (1997-07-01), Genise
patent: 5743143 (1998-04-01), Carpenter et al.

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