B - Operations – Transporting – 60 – S
Patent
B - Operations, Transporting
60
S
B60S 1/08 (2006.01) B60S 1/02 (2006.01) B60S 1/04 (2006.01) B60S 1/06 (2006.01) H02P 1/04 (2006.01) H02P 3/00 (2006.01) H02P 5/00 (2006.01)
Patent
CA 2454450
A windshield wiper system activated by sensing rainwater adapted to detect rainwater via a rain sensor placed inside a wiping pattern of a windshield glass while a multifunction switch lever is in automatic mode, the system comprising a rain sensor module for activating a relay for low speeds and/or a relay for high speeds depending on the detected amount of rainwater. There is further provided a first voltage detecting means for detecting a battery voltage, a second voltage detecting means for detecting a voltage of an automatic signal, and a microcomputer for adjusting the sensitivity of the rain sensor on the basis of a voltage ratio of the automatic signal voltage and the battery voltage. The present invention has a reformed wiring structure that connects the multifunction switch and the rain sensor module, which contributes to a reduction of the weight of a wiring harness, as well as the manufacturing cost. The sensitivity of the rain sensor is not affected by a voltage change, which may occur from various factors inside the vehicle.
Hyundai Motor Company
Riches Mckenzie & Herbert Llp
LandOfFree
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