DISPOSIZIONE CIRCUITALE PER IL MOVIMENTO DI UN ELEMENTO MOVIBILE, IN PARTICOLARE PER IL MOVIMENTO DILASTRE DI CRISTALLO O SIMILI IN VEICOLI A MOTORE

A safety control circuit for electric motors of power windows of automotive vehicles and which differentiates between a tight fitting of the window pane and an obstacle blockage. The motor current is selectively detected to provide a signal representative of the instantaneous rather than static curr...

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Bibliographische Detailangaben
Hauptverfasser:	PROHASKA HANS, MULLER HANS, RACHNER HORST, SPIETH WOLFGANG, HETZEL FRIEDRICH, GOERTLER HORST, KNOBLOCH UWE
Format:	Patent
Sprache:	ita
Schlagworte:	CHECKS FOR WINGS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS FIXED CONSTRUCTIONS GENERATION KEYS LOCKS PERFORMING OPERATIONS REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES SAFES TRANSPORTING VEHICLES IN GENERAL WINDOW OR DOOR FITTINGS WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Beschreibung
Zusammenfassung:	A safety control circuit for electric motors of power windows of automotive vehicles and which differentiates between a tight fitting of the window pane and an obstacle blockage. The motor current is selectively detected to provide a signal representative of the instantaneous rather than static current values. The detected signal is compared to a reference signal. When the detected signal exceeds the reference signal by a given value or longer than a predetermined interval, which indicates that an obstacle blockage has occurred, the motor current is switched off or reversed.