Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1991-11-14
1993-02-23
Moore, Chris K.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
153161, 15319, 34243C, B60S 306, F26B 1900, B08B 502
Patent
active
051878810
ABSTRACT:
A drying apparatus (10) for a vehicle washing system maintains blower air bags (18) a predetermined distance from the vehicle without contacting same providing forced air against the vehicle. Ultrasonic sensor (66) are provided on front and back sides of the nozzle (26) for sensing objects within a predetermined distance in combination with control circuitry. The control circuitry controls a motor (42) to retract a cord (36) to in turn raise or move out of the path of the vehicle, the air bag (18) maintaining the predetermined distance from the vehicle. The signals from each of the sensors (66) are each combined to control the motor. Releasable connections are provided between the air bag and support structure to allow releasing of control of the cord in case of emergency.
REFERENCES:
patent: 4446592 (1984-05-01), McElroy
patent: 4587688 (1986-05-01), Gougoulas
patent: 4809392 (1989-03-01), Larson et al.
patent: 4817301 (1989-04-01), Belanger et al.
patent: 4934018 (1990-06-01), Fortier et al.
patent: 4949423 (1990-08-01), Larson et al.
patent: 4995136 (1991-02-01), Smith
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