Apparatus and method for shifting into a lower gear of a manual

Details Apparatus and method for shifting into a lower gear of a manual Apparatus and method for shifting into a lower gear of a manual

1997-07-03

2000-08-22

Nguyen, Tan

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

701 55, 477135, F16H 5904

Patent

active

061086002

ABSTRACT:
A method and apparatus for controllably shifting into a lower gear of a manual transmission is disclosed. A high downshift speed value is established and stored in a memory. The downshift speed variable of the manual transmission is set equal to the high downshift speed value for a duration time in response to a control signal. The manual transmission is controllably shifted into a lower gear when an engine speed becomes equal to or less than the downshift speed variable.

REFERENCES:
patent: 4622637 (1986-11-01), Tomita et al.
patent: 5636120 (1997-06-01), Yesel et al.
patent: 5809835 (1998-12-01), Beim et al.
patent: 5916292 (1999-06-01), Issa et al.
patent: 5941922 (1999-08-01), Price et al.

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