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Patent Searching and Data


Title:
OVERLOAD PROTECTING METHOD AND DEVICE FOR ELECTRIC BUCKET ELEVATOR
Document Type and Number:
Japanese Patent JP2001253547
Kind Code:
A
Abstract:

To surely judge the overloaded condition of an electric bucket elevator and protect a motor and the electric bucket elevator from the overloaded condition by stopping the motor.

This overload protecting method for the electric bucket elevator 20 drives a driving sprocket by the motor 22 the overloaded condition is discriminated by monitoring a driving torque value for the motor 22 and stops the motor 22 if the overloaded condition is discriminated.


Inventors:
Kamiya, Motomu
Application Number:
JP2000000076361
Publication Date:
September 18, 2001
Filing Date:
March 14, 2000
Export Citation:
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Assignee:
ISHIKAWAJIMA HARIMA HEAVY IND CO LTD
International Classes:
B65G43/02; B65G65/06; B65G67/60; B65G43/02; B65G65/00; B65G67/00; (IPC1-7): B65G67/60; B65G43/02; B65G65/06