Motorizing awning with automatic safety control

Details Motorizing awning with automatic safety control Motorizing awning with automatic safety control

1999-06-08

2000-08-29

Witkowski, Stanley J.

Electricity: motive power systems

Constant motor current, load and/or torque control

318488, 318468, 318469, 160 5, H02P 700

Patent

active

06111376&

ABSTRACT:
An awning, in particular an awning with a supporting arm, the cloth (1) of which can be unwound from a tube or winding shaft (2) driven by an electric motor (9) and in which are provided means for measuring the drive torque which supply a variable representing the windforce acting on the awning cloth. The measuring means are associated with a logical processing unit (15) in which are recorded three torque values, namely a danger, a safety and an all-clear value, on the basis of which values the LPU allows or activates the partial or complete unwinding or winding of the cloth.

REFERENCES:
patent: 3586259 (1971-06-01), Richt
patent: 4079597 (1978-03-01), Lindner et al.
patent: 4118659 (1978-10-01), Klemm
patent: 4347993 (1982-09-01), Leonard
patent: 4625565 (1986-12-01), Eiichi et al.
patent: 4789813 (1988-12-01), Orchard
patent: 5225748 (1993-07-01), Haring
patent: 5623189 (1997-04-01), Hemmer
patent: 5760558 (1998-06-01), Popat
patent: 5850131 (1998-12-01), Wolfer et al.
French Preliminary examination report in SN 9808381--France.

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