Windscreen wiper device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 2, 2015
Grant Date -
May 2, 2013
app pub date -
May 10, 2011
filing date -
Jul 6, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A windscreen wiper device (I) for a motor vehicle. The device includes at least one wiper motor (2) on which a motor crank (4) is provided connected to at least one gearing (3) which is downstream of said wiper motor (2), so as to drive a wiper arm that is coupled thereto such that said arm performs an oscillating wiper movement on a windscreen of said motor vehicle, said wiper motor (2) being coupled to a control unit. Motor power generated by the wiper motor (2) is adjusted by the control unit depending on a transmission ratio which results from the position of said gearing (3). The control unit delays a reduction in the motor power until after the motor crank (4) has accelerated out of the respective wiper arm turning points to produce as uniform a wiper arm movement as possible on the windscreen.
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