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Wiping device for motor vehicle windows, comprising a windscreen wiper frame and a piezoelectric film

A technology for windshields and motor vehicles, which is used in vehicle cleaning, registration/indication of vehicle operation, vehicle maintenance, etc., and can solve problems such as limiting the ability of piezoelectric elements to generate electricity

Active Publication Date: 2019-07-16
VALEO SYST DESSUYAGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the piezoelectric mass must be arranged in a position where said mass is subjected to a mechanical pressure field strong enough to deform the mass
These placement constraints limit the ability of piezoelectric elements to generate electricity

Method used

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  • Wiping device for motor vehicle windows, comprising a windscreen wiper frame and a piezoelectric film
  • Wiping device for motor vehicle windows, comprising a windscreen wiper frame and a piezoelectric film
  • Wiping device for motor vehicle windows, comprising a windscreen wiper frame and a piezoelectric film

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Embodiment Construction

[0036] The rest of the purely illustrative and non-restrictive description is divided into different sections starting with headings. Each of these sections describes an aspect and / or possible embodiment of the invention.

[0037] Such as Figures 1a to 1c As shown, the present invention relates to a wiping device 1 , in particular for the windows of motor vehicles. The wiping device includes a windshield wiper frame 10 and a piezoelectric film 2 .

[0038] wiping device

[0039] The wiping device 1 is a device designed to improve the visibility of the driver of the motor vehicle through the glass 30 of the motor vehicle. The glazing 30 of the motor vehicle is, for example, a windshield, a rear glazing of a motor vehicle or the outer surface of a motor vehicle rearview mirror or a motor vehicle headlight. In this case, the glass 30 is the rear glass 30 of the motor vehicle.

[0040] wiper arm

[0041] The wiping device 1 also includes a windscreen wiper frame arm 20 and ...

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Abstract

The invention relates to a wiping device (1) for a motor vehicle window (30), comprising a windscreen wiper frame (10) and a piezoelectric film (2), said piezoelectric film (2) being mounted on the windscreen wiper frame (10) such as to produce an electric current. The invention also relates to a warning method and a spray control method for such a wiping device (1).

Description

technical field [0001] The invention relates to a wiping device for motor vehicle windows. Background technique [0002] Piezoelectricity involves converting a mechanical pressure field into electrical energy. It is known to use the piezoelectric properties of certain materials to supply electrical energy to motor vehicle devices such as motor vehicle windscreen wiper frames or devices of these windscreen wiper frames belonging to the wiping device for motor vehicle glass. [0003] For this purpose, such piezoelectric blocks are known, which are arranged on the wiper rubber of the windshield wiper frame and are designed to deform especially during the change of direction of the wiper rubber, which follows the windshield wiper Occurs every time the wiping direction is changed during the reciprocating motion of the frame of the wiper. The electricity generated by the deformation of the piezoelectric mass is then used to supply current to equipment of the motor vehicle. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60S1/38
CPCB60S1/3411B60S1/38B60S1/3805B60S1/482B60S2001/3829B60S2001/3844B60S1/381B60S1/0491B60S1/481G07C5/0816G07C5/0825G07C5/0833B08B1/165
Inventor G.卡伊洛特V.伊扎贝尔J-M.贾拉森
Owner VALEO SYST DESSUYAGE