Accelerator pedal device

Details Accelerator pedal device Accelerator pedal device

2006-05-30

2006-05-30

Luong, Vinh T. (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Foot operated

C074S512000, C123S359000, C123S396000

Reexamination Certificate

active

07051615

ABSTRACT:
The present apparatus includes an accelerator pedal 10, a pedal arm 20, a pedal shaft 30 which supports the pedal arm 20 so as to be free to swing, a return spring 40, a friction generating mechanism 50 which generates friction force corresponding to a position of the pedal arm 20, an accelerator position sensor 60 and a control segment 70 which controls an opening of a throttle valve 110 based on an output signal of the sensor 60. A play range in which a friction force equal to or larger than a specific level is not generated is set to the friction generating mechanism in the range where the pedal arm moves from a resting position by a specific amount. In the play range, an output signal of the accelerator position sensor 60 is kept constant so that the throttle valve is kept at a specific opening. In this manner, a desirable operating feeling without an unsuitable feeling with the accelerator pedal operation is obtained, and the accelerator apparatus is compact.

REFERENCES:
patent: 4112885 (1978-09-01), Iwata et al.
patent: 5263448 (1993-11-01), Bluhm et al.
patent: 6019016 (2000-02-01), Takagi et al.
patent: 6745642 (2004-06-01), Kumamoto et al.
patent: 2003/0047023 (2003-03-01), Huesges et al.
patent: 2004/0149260 (2004-08-01), Watanabe
patent: 0 336 340 (1989-10-01), None
patent: 11-151948 (1999-06-01), None
patent: 11-182268 (1999-07-01), None

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