Transmission control device of motorcycle

Details Transmission control device of motorcycle Transmission control device of motorcycle

2008-04-01

2008-04-01

Le, David D. (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

C477S107000, C477S109000, C477S110000

Reexamination Certificate

active

07351185

ABSTRACT:
A transmission control device for a vehicle for smoothly performing a transmission manipulation without a clutch manipulation. The device includes a control unit which determines a shift operation starting time based on a detection signal of a shift operation detector, and controls an intake air amount to an engine corresponding to a gear shift position detected by a gear shift position detection means thereby changing an output of the engine. The control unit obtains a target initial throttle opening corresponding to the gear shift position from a target initial throttle opening table, obtains data on throttle opening, time and an attenuation ratio corresponding to the gear shift position from a throttle opening, time and attenuation ratio table, and determines the opening time and the target throttle opening. Next, the control unit determines an injection amount and executes control to increase the intake air amount and the injection quantity.

REFERENCES:
patent: 4945481 (1990-07-01), Iwatsuki et al.
patent: 5417625 (1995-05-01), Yamaki et al.
patent: 6761664 (2004-07-01), Ayabe et al.
patent: 7052435 (2006-05-01), Tabata et al.
patent: 4-12141 (1992-01-01), None

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