FIELD: transport.
SUBSTANCE: invention relates to automotive industry. Proposed wiper comprises movable valve to drive axle with its one end supporting windshield brush rigidly secured thereon, slide valve mechanism, switch, throw-over mechanism to vary direction of movable valve travel and check valve. Wipe case consists of left and right chambers communicated with vacuum line and atmosphere. Wipe is communicated via vacuum line, check valve and vacuum receiver with set of ejectors. Check valve is intended for automatic disconnection of vacuum drive from set of ejectors with engine shutdown. Duration of wiper operation with shutdown engine depends upon inner volume of receiver.
EFFECT: higher efficiency.
5 dwg
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