| 摘要 |
PCT No. PCT/EP92/00793 Sec. 371 Date Dec. 11, 1992 Sec. 102(e) Date Dec. 11, 1992 PCT Filed Apr. 8, 1992 PCT Pub. No. WO92/18360 PCT Pub. Date Oct. 29, 1992.The invention deals with a cleaning installation for windshields of motor vehicles, aircraft, locomotives or the like with at least one wiper arm drivable by a wiper motor, at which arm a wiper blade is fastened by means of wiper blade holders, with a channel provided with outlet apertures extending in said blade, which is connected by a supply line to a water reservoir of a windshield washer installation connected to a pump, wherein the region of the wiper blade (9, 21) pointing towards the windshield (2) is part of the channel wall (11, 23) into which the outlet apertures (12) are mortised, and where a wiper lip (15) is disposed between the outlet apertures (12) by means of a swivel strip (14, 24) or a wiper lip (25) is arranged on each side, wherein selectively water, warm water or steam can exit from the outlet apertures (12)
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