Method of controlling a switching flap, and a switching-flap...

Details Method of controlling a switching flap, and a switching-flap... Method of controlling a switching flap, and a switching-flap...

2007-02-13

2007-02-13

Vo, Hieu T. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S399000

Reexamination Certificate

active

11122247

ABSTRACT:
In a method for controlling a switching flap (10) arranged in an intake pipe connected with an internal-combustion engine the switching flap (10) is rotated with the aid of a switching-flap shaft (12) connected with an electromotor (18). With the aid of a position-detecting device (22,26;24,26) an end position of the switching flap (10) is detected. Subsequently, a rotation force is continued to be applied to the shaft (12) to hold the switching flap (10) in the end position. For detecting a breakage of the switching-flap shaft (12), an error message is generated when the switching-flap shaft (12) continues to rotate beyond the end position.

REFERENCES:
patent: 5161505 (1992-11-01), Bederna et al.
patent: 196 14 474 (1997-10-01), None
patent: 102 15 927 (2003-11-01), None

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