Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent
1997-06-02
1999-04-27
Sircus, Brian
Electricity: motive power systems
Motor-reversing
Armature or primary circuit control
318376, 318565, 318484, H02P 100
Patent
active
058982841
ABSTRACT:
A vehicle sliding door opening/closing control device includes a trouble detecting circuit for detecting a trouble in a control unit which is used for controlling operation of a motor to drive a vehicle sliding door in opening and closing direction, and switching unit responsive to detection of a trouble in the control unit by the trouble detecting circuit for shorting power input terminals of the motor, and after the lapse of a predetermined time, opening the power input terminals of the motor. Upon detection of the trouble in the control unit, the power input terminals of the motor are shorted so that the motor is kept in a locked state. In this instance, if the sliding door is moving at a high speed, it is possible to apply braking to the sliding door. Thereafter, after the lapse of the predetermined time, the switching unit opens the power input terminals of the motor to release a lock on the motor, thereby allowing the sliding door to be displaced by manual.
REFERENCES:
patent: 4990837 (1991-02-01), Ishitobi
patent: 5159203 (1992-10-01), Gallenschutz et al.
patent: 5396158 (1995-03-01), Long et al.
patent: 5625266 (1997-04-01), Stark
Honda Giken Kogyo Kabushiki Kaisha
Sircus Brian
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