Elevator motor placed in the counterweight

Details Elevator motor placed in the counterweight Elevator motor placed in the counterweight

1994-01-06

1995-07-25

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific counterbalance means for load support

187266, B66B 1712

Patent

active

054354170

ABSTRACT:
In this invention, an elevator motor (6) provided with an external rotor (17) and a traction sheave (18) is so implemented that it simultaneously constitutes the counterweight (26) of a rope-suspended elevator (1). In this motor/counterweight structure, rotating induction motors can be used. A gear is not necessary because the construction of the invention and the placement of the motor allow the use of a motor with a large diameter and therefore a high torque. As the length of the motor still remains small, the motor/counterweight of the invention can be accommodated in the space normally reserved for a counterweight in an elevator shaft.

REFERENCES:
patent: 3101130 (1963-08-01), Bianca
patent: 3101130 (1963-08-01), Bianca
patent: 3878916 (1975-04-01), White, Jr.
patent: 4679661 (1987-07-01), Gibson
patent: 4771197 (1988-09-01), Ivanto et al.
patent: 4960186 (1990-10-01), Honda
patent: 5018603 (1991-05-01), Ito
patent: 5018603 (1991-05-01), Ito
patent: 5025893 (1991-06-01), Saito
patent: 5062501 (1991-11-01), Pavoz et al.
patent: 5300737 (1994-04-01), Nakanishi

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