| 摘要 |
The vehicle wheel washing device includes spray nozzles located on the opposite sides of the washing bay of a vehicle washing facility for directing a cleansing fluid onto the driver and passenger side wheels as a vehicle travels through the washing zone, and an elongated, resilient tubular compression member located in the washing zone and extending transversely of the travel path of the vehicle on one side of the vehicle. The fluid flow system is arranged so that, as the compression member is squashed by a vehicle wheel rolling thereover, cleansing fluid is pumped from the compression member through the spray nozzles and, as a compression member returns towards the normal shape, cleansing fluid is siphoned from the tank to refill the compression member for the next pumping cycle. A pair of springs diametrically opposed relative to and spaced from the longitudinal axis of the compression member assists in returning it to its normal position and, if the compression member is twisted as a vehicle wheel rolls thereover, also assists in untwisting it. In an alternate embodiment the fluid flow system is arranged so that the device can be programmed to apply the cleansing fluid to selected vehicles.
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