Throttle control device

Details Throttle control device Throttle control device

1997-12-12

1998-10-20

Solis, Erick R.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123399, 123361, F02D 4122

Patent

active

058231641

ABSTRACT:
The throttle control device of this invention controls a throttle based on outputs of a position sensor including a first sensor and a second sensor which detect a position of a same object, wherein, when an abnormality is detected in one of the first sensor and the second sensor, throttle control is continued based on the output of the other sensor in which no abnormality is detected, and the throttle control is discontinued when the detection of the abnormality in one of the first sensor and the second sensor continues for a first predetermined time, and when an abnormality is detected in both the first sensor and the second sensor, throttle control is continued based on the output of one of the first sensor and the second sensor, and the throttle control is discontinued when the detection of the abnormality in both the first sensor and the second sensor continues for a second predetermined time which is shorter than the first predetermined time.

REFERENCES:
patent: 5339782 (1994-08-01), Golzer et al.
patent: 5429092 (1995-07-01), Kamei
patent: 5447134 (1995-09-01), Yokoyoma
patent: 5476078 (1995-12-01), Pfalzgraf et al.
patent: 5553581 (1996-09-01), Hirabayashi et al.
patent: 5602732 (1997-02-01), Nichols et al.
patent: 5669353 (1997-09-01), Shirai et al.
patent: 5706782 (1998-01-01), Kurihara

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