Drying and gas or vapor contact with solids – Apparatus – With automatic control
Patent
1994-01-26
1995-06-06
Gromada, Denise L.
Drying and gas or vapor contact with solids
Apparatus
With automatic control
153161, 15319, 34666, F26B 2106
Patent
active
054211026
ABSTRACT:
A drying apparatus (10) for a vehicle wash system maintains blower air bags (18) at a predetermined distance from the vehicle providing forced air against the vehicle for water removal. Ultrasonic sensors (66) are provided on the nozzles (26) of the bags (18) for sensing objects within a predetermined distance. Control circuitry (40) controls a motor (42) to control movement of the air bags (18) to maintain the predetermined distance. The wiring interconnecting the control circuitry and motor (38) and sensor (66) extends through the interior of the air bags (18) and support air plenum (13, 14) to avoid damage thereto. The control circuitry (40) allows for manual adjustment of the sensitivity of the sensors (66). The circuitry in the sensors (66) is minimized to only the transmitter, receiver and amplifier. Furthermore, each bag (18) is controlled by separate control circuitry (40) so that failure of one air bag and associated circuit does not effect any other bag's operation.
REFERENCES:
patent: 4446592 (1984-05-01), McElroy
patent: 4589160 (1986-05-01), Day et al.
patent: 4817301 (1989-04-01), Belanger et al.
patent: 4893229 (1990-01-01), Detrick
patent: 4934018 (1990-06-01), Fortier et al.
patent: 4949423 (1990-08-01), Larson et al.
patent: 5184369 (1993-02-01), McElroy
patent: 5187881 (1993-02-01), McElroy
patent: 5189754 (1993-03-01), Sauter
Faytlin Alexander B.
McElroy Lucian G.
Miller John
Gromada Denise L.
Proto-Vest, Inc.
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