Patent ID: 8342195

Claim:
A washing apparatus for washing a vehicle, the vehicle having a first lateral side, a second lateral side, and a top side between the first lateral side and the second lateral side, said washing apparatus comprising: a portal for allowing the vehicle to pass therethrough; at least one nozzle mounted to said portal for directing pressurized liquid toward the vehicle; and a control apparatus configured to control said at least one nozzle to perform a progressive wash of each of a series of limited transverse portions of the vehicle, each of the limited transverse portions of the vehicle being formed of a limited portion of the first lateral side of the vehicle, a limited portion of the second lateral side of the vehicle, and a limited portion of the top side of the vehicle, the progressive wash of each limited transverse portion of the vehicle being: i) performed while the limited transverse portion of the vehicle is located in said portal; characterized in that at least two of the limited portion of the first lateral side of the vehicle, the limited portion of the second lateral side of the vehicle, and the limited portion of the top side of the vehicle which form the limited transverse portion of the vehicle are washed asynchronously, said washing apparatus being configured to require a driver of the vehicle to move the vehicle between the progressive wash of a given one of the limited transverse portions of the vehicle and the progressive wash of a succeeding one of the limited transverse portions of the vehicle.