DEVICE TO CLEAN TRANSPORT MEAN CAB WINDOW GLASS Russian patent published in 1994 - IPC

FIELD: transport engineering. SUBSTANCE: device has washer with drive from electric engine 3, system of washing liquid feeding to washer with pipelines, window glass cleaner with brush 13 and drive from electric engine 1. Electric engine 1 of window glass cleaner is through worm 1 and gear 3 connected with tail-end switch 4. Tail-end switch 4 is made in the form of disk, one half of which is covered by current conducting layer 5 and other half - by nonconducting layer 6, and two contact plates 7 and 8. Due to use of electromagnetic valve 10, connected with tail-end switch 4, that is synchronized with motion of window glass cleaner brush 13 washing liquid is being fed on glass, as washer engine 9 is switched on and always before moving brush 13, that increases efficiency of cleaning and save washing liquid. EFFECT: increased efficiency of cleaning and decreased consumption of washing liquid. 3 cl, 2 dwg