Invention Grant
- Patent Title: Method for reducing motor torque for wiper drives
- Patent Title (中): 降低刮水器驱动电机转矩的方法
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Application No.: US13820178Application Date: 2011-07-29
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Publication No.: US09050946B2Publication Date: 2015-06-09
- Inventor: Joachim Zimmer , Juergen Rapp , Swen Koehn
- Applicant: Joachim Zimmer , Juergen Rapp , Swen Koehn
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agency: Michael Best & Friedrich LLP
- Priority: DE102010040138 20100902
- International Application: PCT/EP2011/063107 WO 20110729
- International Announcement: WO2012/028405 WO 20120308
- Main IPC: G05B5/00
- IPC: G05B5/00 ; B60S1/08

Abstract:
The invention relates to a method for operating a direct wiper drive having a motor, in particular for a windshield wiper. The method comprises reading out at least one characteristic curve from a memory and operating the wiper direct drive at an angle- and direction-dependent torque, corresponding at a maximum to a value of the angle- and direction-dependent characteristic curve, wherein the characteristic curve comprises at least the following values: a first, maximum value for upward wiping at a first wiping angle between a lower turning location and an upper turning location; a second value for upward wiping at a second wiping angle between the first wiping angle and the upper turning location, wherein the second value for upward wiping at the second wiping angle is less than the first, maximum value for upward wiping at the first wiping angle; a first, maximum value for downward wiping at a wiping angle between the upper turning location and the lower turning location, wherein the first, maximum value for downward wiping is greater than the first, maximum value for upward wiping; and a second value for downward wiping corresponding to a wiper position at the second wiping angle, wherein the second value for downward wiping is greater than the second value for upward wiping.
Public/Granted literature
- US20130162180A1 METHOD FOR REDUCING MOTOR TORQUE FOR WIPER DRIVES Public/Granted day:2013-06-27
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