Throttle valve controller

Details Throttle valve controller Throttle valve controller

1998-01-27

2000-09-12

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123198D, 731181, F02D 900, F02D 1110

Patent

active

061162140

ABSTRACT:
The throttle valve controller 1 includes a failure detecting device 11 for detecting failures in the first and second accelerator sensors 2 and 3 based on the first input signal VAPS1 outputted from the first accelerator sensor 2 and the second input signal VAPS2 outputted from the second accelerator sensor 3. A control signal computing device 12 computes a first control signal T1 from the first and second input signals in response to the result of detection by the failure detecting device 11. A control signal correcting device effects primary delay processing on the first control signal T1, thereafter restricting the so-processed signal to a guard value or less and outputs the signal therefrom as a second control signal VAPS. A throttle control device 14 controls the degree of opening of the throttle valve 9 based on the second control signal VAPS.

REFERENCES:
patent: 5260877 (1993-11-01), Drobny et al.
patent: 5339782 (1994-08-01), Golzer et al.
patent: 5429092 (1995-07-01), Kamei
patent: 5447134 (1995-09-01), Yokoyama
patent: 5553581 (1996-09-01), Hirabayashi et al.
patent: 5622151 (1997-04-01), Lang
patent: 5669353 (1997-09-01), Shirai et al.

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