Method for moving a power-operated closure part

Details Method for moving a power-operated closure part Method for moving a power-operated closure part

1999-03-22

2000-03-28

Ro, Bentsu

Electricity: motive power systems

Motor-reversing

Periodic- or intermittent-reversing

318266, 318286, H02P 100

Patent

active

060436204

ABSTRACT:
A limiting value (G1; G2) of the speed (n) or of the duration of rotation (t) of an actuator drive shaft is used to provide effective protection against a closing part pinning an obstruction, by either switching off or reversing the actuator drive of the closing part. This limiting value (G1; G2) is defined from the speed (n) or duration of rotation (t) determined for each position of the travel path (h), and from a multiplier which represents the relative sluggishness (S1/S2) of the respective actuator in the respective position along the travel path. The limiting value (G1; G2) is updated in conformance with actual operation of the actuator drive.

REFERENCES:
patent: 4351016 (1982-09-01), Felbinger
patent: 5334876 (1994-08-01), Washeleski et al.
patent: 5428923 (1995-07-01), Waggamon
patent: 5537013 (1996-07-01), Toyozumi et al.
patent: 5734245 (1998-03-01), Terashima et al.

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