Controlled system for wiping and washing a vehicle window, windscreen wiper, windscreen wiper blade and method of equipping a vehicle

Patent metadata

Field	Value
Publication number	US-10875505-B2
Application number	US-201816021737-A
Country	US
Kind code	B2
Filing date	Jun 28, 2018
Priority date	Jun 29, 2017
Publication date	Dec 29, 2020
Grant date	Dec 29, 2020

Abstract

The invention proposes a system ( 10 ) for wiping a vehicle window ( 12 ), comprising:
at least one windscreen wiper blade ( 14 ) adapted to be driven by a drive arm ( 16 ) of the wiper system ( 10 ) with alternating movements sweeping at least one portion of the exterior surface of a window to be wiped between two positions at which the sweeping direction is reversed; a device ( 18 ) for spraying a liquid onto the exterior surface; a pump for feeding the sprayer device ( 18 ) with liquid; a circuit (CP) for controlling the feeding of the sprayer device ( 18 ) by the pump ( 38 ) as a function of the sweeping direction, characterized in that it includes a sensor (CA) of acceleration of the windscreen wiper that is carried by the windscreen wiper and that is connected to the control circuit (CP) in order to supply to the control circuit (CP) signals representing the value of the acceleration of the windscreen wiper ( 11 ).

First claim

The invention claimed is:

1. A wiper system for wiping a vehicle window, comprising:
at least one windscreen wiper blade adapted to be driven by a drive arm of the wiper system with alternating movements sweeping at least one portion of an exterior surface of a window to be wiped between two positions at which a sweeping direction is reversed;
a sprayer device for spraying a liquid onto the exterior surface;
a pump for feeding the sprayer device with liquid;
a circuit for controlling the feeding of the sprayer device by the pump as a function of the sweeping direction; and
an acceleration sensor of a windscreen wiper,
wherein the windscreen wiper includes the at least one windscreen wiper blade and the drive arm, and
wherein the acceleration sensor is carried by the drive arm or by the windscreen wiper blade and is connected to the control circuit in order to supply to the control circuit signals representing the value of the acceleration of the drive arm or of the windscreen wiper blade of the windscreen wiper during the alternating sweeping movements.

2. The wiper system according to claim 1 , wherein the control circuit includes means for analysis of the signals supplied by the acceleration sensor to detect the reversing of the sweeping direction of the windscreen wiper.

3. The wiper system according to claim 1 , wherein the sprayer device is configured to spray liquid along a lateral face of the at least one windscreen wiper blade.

4. The wiper system according to claim 3 , wherein the sprayer device is carried by the at least one windscreen wiper blade or by the drive arm.

5. The wiper system according to claim 1 , wherein the control circuit is carried by the at least one windscreen wiper blade or by the drive arm, and the sprayer device is configured to spray the windscreen along a lateral face of the wiper.

6. The wiper system according to claim 1 , wherein the feed pump is controlled by the control circuit.

7. The wiper system according to claim 1 , further comprising a relay for controlling the supply of electrical energy to a drive motor of the feed pump connected to the control circuit.

8. A windscreen wiper of a motor vehicle window, comprising:
an acceleration sensor of the windscreen wiper; and
a circuit for controlling feeding of a sprayer device for spraying liquid onto the motor vehicle window with liquid,
wherein the acceleration sensor is connected to the control circuit and carried by the windscreen wiper.

9. The windscreen wiper according to claim 8 , further comprising a windscreen wiper blade and an arm for driving alternating sweeping movements of the windscreen wiper blade, wherein the acceleration sensor and the control circuit are carried by the windscreen wiper blade.

10. The windscreen wiper according to claim 9 , wherein the sprayer device is carried by the windscreen wiper blade.

11. A motor vehicle windscreen wiper blade comprising:
an acceleration sensor configured to measure an acceleration of the windscreen wiper blade;
a circuit for controlling feeding of a sprayer device for spraying liquid onto a window of a motor vehicle windscreen with liquid,
wherein the acceleration sensor is connected to the control circuit and carried by the windscreen wiper blade.

12. The windscreen wiper blade according to claim 11 , wherein the sprayer device is carried by the windscreen wiper blade.

Assignees

• Valeo Systemes Dessuyage

Inventors

• Mouleyre Guillaume
• Terrasse William

Classifications

• B60S1/522

  moving liquid spreading means, e.g. arranged in wiper arms · CPC title

• B60S1/482 Primary

  combined with the operation of windscreen wipers · CPC title

• B60S1/0807 Primary

  using electronic control means, e.g. tubes, semiconductors (B60S1/0818, B60S1/0896 take precedence) · CPC title

• B60S1/526

  according to vehicle movement characteristics, e.g. speed, or climatic conditions, e.g. wind · CPC title

• B60S1/524

  arranged in wiper blades · CPC title