Diversion of airflow around an elevator counterweight

Details Diversion of airflow around an elevator counterweight Diversion of airflow around an elevator counterweight

1990-04-02

1992-01-14

Dayoan, D. Glenn

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 1R, 244138R, B66B 1712

Patent

active

050802011

ABSTRACT:
Air deflectors are mounted on the top and bottom of the counterweight assembly in an elevator system to deflect air in the elevator hoistway to the sides of the counterweight as the latter moves up and down in the hoistway. The deflectors ensure that air turbulence is not directed toward the car as the car and counterweight pass each other in the hoistway. A quieter and smoother passenger ride is thus accomplished. In an ultra high-speed elevator system, the counterweights may be completely enclosed in an aerodynamic jacket. Cable connections and compensating rope connections to the counterweight are all made inboard thereof to ensure that the counterweight is free of turbulence-inducing protuberances.

REFERENCES:
patent: 998610 (1911-07-01), Goodknight
patent: 1071309 (1913-08-01), Goggin
patent: 3476339 (1969-11-01), Pugh
patent: 3695177 (1972-10-01), Chakoian et al.
patent: 3945468 (1976-03-01), Miura et al.

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