Arrangement for controlling an actuable element in a motor vehic

Details Arrangement for controlling an actuable element in a motor vehic Arrangement for controlling an actuable element in a motor vehic

1992-11-02

1994-02-15

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

F02D 1110

Patent

active

052857573

ABSTRACT:
The invention is directed to an arrangement for controlling an actuable element in a motor vehicle equipped with a drive unit. The arrangement includes an actuable element movable over a maximum possible operating range between two outermost limits including a normal operating work range within the limits; an electrically actuable actuating device for controlling the actuable element; a control unit for generating actuating signals for controlling the actuable element and for supplying the actuating signals to the actuating device; the control unit is adapted to generate the signals so as to cause the actuable element to move over most of the maximum possible operating range in a manner to prevent jammings with the actuable element being moved outside of the normal operating work range at least beyond one end of the normal operating work range; the actuable element being moved starting from a desired position for every possible direction of movement; and, the actuable element being moved at least at one of the following times: ahead of the start of the drive unit and after the drive unit has been switched off.

REFERENCES:
patent: 4506642 (1985-03-01), Pfalzgraf et al.
patent: 4909213 (1990-03-01), Mezger et al.
patent: 5078110 (1992-01-01), Rodefeld
patent: 5146886 (1992-09-01), Mannle et al.
patent: 5167212 (1992-12-01), Peter et al.
patent: 5213078 (1993-05-01), Kolberg et al.

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