Process for driving electric motor-operated awnings

Details Process for driving electric motor-operated awnings Process for driving electric motor-operated awnings

1996-10-28

1998-12-15

Ro, Bentsu

Electricity: motive power systems

Automatic and/or with time-delay means

Movement, position, or limit-of-travel

318430, E06B 968, E04F 1000

Patent

active

058501312

ABSTRACT:
By monitoring the load of the electric motor, it can be reliably determined when the electric motor runs up against a stop in the starting position of the awning, etc.
The electric motor turns off automatically and resets an internal counter. When the awning, etc., is being extended, a certain number of pulses is counted per rotation of the electric motor, and after a certain predetermined count value is reached, which indicates that the awning, etc., has arrived at end position, the electric motor is turned off. Because the counting device is reset in the starting position, the electric motor automatically compensates for any change which may have occurred in the length of the fabric of the awning, etc., the next time an actuation is carried out.

REFERENCES:
patent: 4514670 (1985-04-01), Fassel et al.
patent: 4730152 (1988-03-01), Foust et al.
patent: 5038087 (1991-08-01), Archer et al.
patent: 5204592 (1993-04-01), Huyer

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