System for distributing washer fluid for motor vehicle windscreen wipers

Patent metadata

Field	Value
Publication number	US-10086800-B2
Application number	US-201314652268-A
Country	US
Kind code	B2
Filing date	Dec 17, 2013
Priority date	Dec 18, 2012
Publication date	Oct 2, 2018
Grant date	Oct 2, 2018

Abstract

A system of motor vehicle windscreen wipers including at least one fluid circulation pipe, at least one heating element extending along said pipe, and at least one hydraulic connection connected hydraulically to said pipe. Additionally, the system includes a heat-conducting adapter in contact with said heating element. Furthermore, the heat-conducting adapter is arranged at a suitable distance to transmit at least some of the heat from said adapter to said hydraulic connection.

First claim

The invention claimed is:

1. A system for distributing washer fluid for motor vehicle windscreen wipers, comprising:
at least two fluid circulation pipes;
at least one heating element extending along said at least two fluid circulation pipes, wherein said at least one heating element includes two separate heating conductors connected to one another to form a conductive heating loop;
at least two hydraulic connections connected hydraulically to said at least two fluid circulation pipes; and
a heat-conducting adapter in contact with said two separate heating conductors at a first end and arranged at a suitable distance to transmit at least some of a heat from said heat-conducting adapter to said at least two hydraulic connections,
wherein the heat-conducting adapter is a heat-conducting tab wrapped around the conductive heating loop, and herein a supporting element connects the two hydraulic connections, and the heat-conducting adapter having a second end that is inserted between two opposing faces of the at least two hydraulic connections at a cavity of a junction zone in said supporting element to enable the heat to be diffused efficiently from the conductive heating loop to the at least two hydraulic connections.

2. The system for fluid distribution as claimed in claim 1 , wherein said suitable distance between the heat-conducting adapter and said at least two hydraulic connections are between and 5 millimeters.

3. The system for fluid distribution as claimed in claim 1 , wherein the heat-conducting adapter includes a wall portion fitting at least one portion of a body of said at least two hydraulic connections.

4. The system for fluid distribution as claimed in claim 1 , wherein the two separate heating conductors are partially embedded in a mass forming said at least two fluid circulation pipes, said conductive heating loop extending outside said at least two fluid circulation pipes.

5. A system for fluid distribution for motor vehicle windscreen wipers comprising:
at least two fluid circulation pipes;
at least one heating element extending along said at least two fluid circulation pipes, wherein said at least one heating element includes two separate heating conductors connected to one another to form a conductive heating loop;
at least two hydraulic connections connected hydraulically to said at least one two fluid circulation pipes; and
a heat-conducting adapter in contact with said two separate heating conductors at a first end and arranged at a suitable distance to transmit at least some of a heat from said heat-conducting adapter to said at least two hydraulic connections,
wherein the heat-conducting adapter is a heat-conducting ring about which the conductive heating loop is wound, and wherein a supporting element connects the two hydraulic connections, and the heat-conducting adapter having a second end that is inserted between two opposing faces of the at least two hydraulic connections at a cavity of a junction zone in said supporting element to enable the heat to be diffused efficiently from the conductive heating loop to the at least two hydraulic connections.

6. The system for fluid distribution as claimed in claim 5 , wherein the heat-conducting ring is covered by an insulating joint at least about the conductive heating loop.

7. The system for fluid distribution as claimed in claim 1 , wherein the heat-conducting tab is made of a heat-conducting resin.

8. The system for fluid distribution as claimed in claim 1 , wherein a protective mask covers the heat-conducting adapter as well as a side wall of the at least two hydraulic connections.

9. The system for fluid distribution as claimed in claim 5 , wherein the heat-conducting ring is fitted into a body of the two hydraulic connections at the junction zone.

Assignees

• Valeo Systemes Dessuyage

Inventors

• Jarasson Jean-Michel
• Izabel Vincent
• Caillot Gérald

Classifications

• B60S1/524

  arranged in wiper blades · CPC title

• B60S1/488 Primary

  electrically · CPC title

• H05B3/58

  Heating hoses; Heating collars · CPC title

• H05B3/06

  Heater elements structurally combined with coupling elements or holders · CPC title

• H05B3/18

  the conductor being embedded in an insulating material · CPC title