Speed change controller for vehicle

Details Speed change controller for vehicle Speed change controller for vehicle

1993-06-02

1995-03-07

Look, Edward K.

Interrelated power delivery controls, including engine control

Electric engine

With transmission control

477 20, B60K 4100

Patent

active

053952936

ABSTRACT:
To smoothly perform a shift change by the actuator with a simple structure, a drive motor M as a running drive source is connected with a drive motor electronic motor unit 103 through a FET driver 107. A change motor 61 for driving a shift drum 62 is connected with a change motor electronic control unit 111 through a FET driver 112. When a drive motor electronic control unit 103 outputs the speed change signal on the basis of the detection signal of an accelerator opening sensor 106 and a drive motor rotational speed sensor 104, the output of the driver motor M is temporarily reduced or stopped to release the meshing surface pressure of the gear trains of the transmission T, and during the period thereof, a shift drum 62 is driven by the change motor 61 for performing the shift change. After completion of the shift change, the output of the drive motor M is smoothly increased.

REFERENCES:
patent: 4256196 (1981-03-01), Waddington
patent: 4887490 (1989-12-01), Russ
patent: 5184577 (1993-02-01), Kato et al.
patent: 5211680 (1993-05-01), Sumimoto et al.
patent: 5242039 (1993-09-01), Mabee
patent: 5272632 (1993-12-01), Noguchi et al.
patent: 5287772 (1994-02-01), Aoki et al.

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