| 摘要 |
Stacked inner and outer discs are mounted over an air blower inlet opening of each blower in a car wash system drying zone with matched sets of radial slots and spokes formed in each disc. An actuator rotates one disc between positions in which the set of slots in one disc is aligned with the set of slots in the other disc to allow air flow into the blower inlet to dry a car in the dryer zone to a position in which the set of spokes overlie the set of slots in the other disc to thereby block inlet air flow to reduce the load on a blower motor when a car is not in the dryer zone. |
