Safety equipment for multimobile elevator groups

Details Safety equipment for multimobile elevator groups Safety equipment for multimobile elevator groups

1996-10-11

1999-03-02

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

Having independent supports carrying distinct loads and...

187382, B66B 900

Patent

active

058774629

ABSTRACT:
With this safety equipment in a multimobile elevator group, collisions between cars (C1 . . . CN) operating in the same shaft (1) can be prevented. For this purpose, each car (C1 . . . CN) is equipped with a safety module (10). In order not to cause any collision in the case of a stop command of a car (C1 . . . CN), the safety module (10) must know the positions and speeds of the other cars (C1 . . . CN) at all times. A decision module (12) integrated into the safety module (10) processes the travel data received by way of the communications system (11) and decides whether a car (C1 . . . CN) may or may not stop. Furthermore, the decision module (12) determines the braking behavior of a car (C1 . . . CN) (normal stop, emergency stop or triggering of the car-catching device).

REFERENCES:
patent: 4989695 (1991-02-01), Kubo
patent: 5419414 (1995-05-01), Sakita
patent: 5464072 (1995-11-01), Muller
patent: 5482143 (1996-01-01), Saito
patent: 5663538 (1997-09-01), Sakita

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