Cleaning and liquid contact with solids – Apparatus – Electrically controlled
Patent
1979-10-19
1981-12-01
Bleutge, Robert L.
Cleaning and liquid contact with solids
Apparatus
Electrically controlled
134113, 134123, 15312R, B08B 302, B60S 304
Patent
active
043030874
ABSTRACT:
A car washer and dryer installation in which a shroud is suspended from a frame and is controlled to be lowered and raised relative to an automobile which is to be washed and dried. A source of water and chemical cleaner is connected to the shroud and is selectively operated to enable a wetting operation to take place as the shroud is lowered during a first cycle and to enable chemical cleaner and water to be applied during the first cycle as the shroud is raised. Between the first cycle and a second cycle is provided an open period during which manual operations on the automobile may take place. Then, an alarm is sounded to indicate that the second cycle is about to take place whereafter the shroud is lowered and raised in order to rinse the car. A drying apparatus is applied in the form of a hood which may be raised by a piston assembly but which is otherwise permitted to rest on the automobile through the intermediary of a roller. A counterbalance is provided for the hood so that only a limited amount of weight is supported by the automobile. The supply of pneumatic drying medium through the hood may be manually or automatically controlled. The supply of water and chemical cleaner through the shroud is controlled by electronic relays which are also employed to control the lowering and raising of the shroud. The electronic relays are composed of Triacs which in turn are controlled by transistors connected to form appropriate switches.
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patent: 2689577 (1954-09-01), Dunn et al.
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patent: 3506020 (1970-04-01), DeNiro
patent: 3726293 (1973-04-01), Padek
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