Device for controlling the stopping of a motorized shrouding pro

Details Device for controlling the stopping of a motorized shrouding pro Device for controlling the stopping of a motorized shrouding pro

1999-06-08

2000-08-15

Nappi, Robert E.

Electricity: motive power systems

Limitation of motor load, current, torque or force

49 26, 49 28, 361 33, 361 92, 318466, H02K 1732

Patent

active

061041564

ABSTRACT:
Device for controlling the stopping of a shrouding product driven by an asynchronous motor having a phase-shifting capacitor (1) stopping the motor when the shrouding product encounters an abutment or an obstacle and utilizing for this purpose at least one operating parameter of the motor so as to detect the appearance of a resisting overtorque. This device furthermore comprises means (4) for detecting a dip in the supply voltage of the local network and means for disabling the control of stoppage when the supply voltage falls below a specified value and for as long as this voltage remains below this specified value.

REFERENCES:
patent: 4447841 (1984-05-01), Kent
patent: 4855653 (1989-08-01), Lemirande
patent: 4872100 (1989-10-01), Diaz
patent: 5424897 (1995-06-01), Mietus et al.
patent: 5808411 (1998-09-01), Nehring
patent: 5926383 (1999-06-01), Pilukaitis et al.
Preliminary Search Report in SN 9807559 --France.

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