Drive unit for an elevator

Details Drive unit for an elevator Drive unit for an elevator

2008-09-09

2008-09-09

Donovan, Lincoln (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

C187S256000, C187S258000, C187S391000, C318S105000, C318S495000

Reexamination Certificate

active

10801912

ABSTRACT:
An elevator drive unit including a traction sheave supported by a shaft rotatably supported by a pair of bearings. Mounted on opposite free ends of the shaft are rotors of a pair of electric motors. Cage-housings on a pair of spaced bearing end-plates retain the stators of the motors. A plurality of frequency converters operating in a master/slave mode to supply electrical power to the motors.

REFERENCES:
patent: 4804067 (1989-02-01), Kahkipuro
patent: 5010981 (1991-04-01), Heikkinen
patent: 5012899 (1991-05-01), Iwata
patent: 5019960 (1991-05-01), Ando et al.
patent: 5229558 (1993-07-01), Hakala
patent: 5734135 (1998-03-01), Hakala et al.
patent: 5894910 (1999-04-01), Suur-Askola et al.
patent: 5896948 (1999-04-01), Suur-Askola et al.
patent: 6199666 (2001-03-01), Aulanko et al.
patent: 6220395 (2001-04-01), Hakala et al.
patent: 6234275 (2001-05-01), Hakala et al.
patent: 6367587 (2002-04-01), Hakala et al.
patent: 6371248 (2002-04-01), Cholinski
patent: 6429554 (2002-08-01), Albrich et al.
patent: 6467583 (2002-10-01), Koura et al.
patent: 6471011 (2002-10-01), Ando et al.
patent: 2005/0224296 (2005-10-01), Smith et al.
patent: 196 34 629 (1997-08-01), None
patent: 0 565 893 (1993-10-01), None
patent: 1 220 426 (2002-07-01), None
patent: 51 20351 (1976-02-01), None

Affiliated with

Also associated with

Rating

Drive unit for an elevator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Drive unit for an elevator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drive unit for an elevator will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3943291