Elevator speed control device, elevator speed controlling...

Details Elevator speed control device, elevator speed controlling... Elevator speed control device, elevator speed controlling...

2011-06-07

2011-06-07

Salata, Jonathan (Department: 2837)

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes control for power source of drive-means

C187S393000

Reexamination Certificate

active

07954604

ABSTRACT:
An elevator speed governor for an elevator in which an elevator car (1) is attached to one end of a rope (2) having a counterweight (3) on the other end and driven by a motor (5) via the rope (2) comprises a motor current detector (15) that detects a motor current of the motor (5), a target speed determining section (11) that determines a target speed in accordance with the motor current detected by the motor current detector (15), and a motor control section (13) that controls the motor (5) so that the elevator car (1) moves at the target speed determined by the target speed determining section (11).

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Chinese Office Action with English Translation, dated Dec. 25, 2009, 12 pages.

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