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Conformal heater for windshield washer nozzle

An electric heater and nozzle technology, applied in the field of window cleaning systems, can solve problems such as inability to work, freezing of cleaning fluid nozzles, etc.

Inactive Publication Date: 2017-08-29
ILLINOIS TOOL WORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the winter, even if ethanol has been added to the cleaning fluid, cleaning fluid nozzles that are in the air stream and exposed to ambient moisture can freeze completely, making them inoperable when needed

Method used

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  • Conformal heater for windshield washer nozzle
  • Conformal heater for windshield washer nozzle
  • Conformal heater for windshield washer nozzle

Examples

Experimental program
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Embodiment Construction

[0041] Now refer to figure 1 , the vehicle 10 may provide a window 12, such as a windshield, positioned behind and above a washer system nozzle 14 oriented to provide a spray 16 of washer fluid on the window 12 to Wiper blades 18 are used for cleaning as is generally understood in the art. Similarly (but not shown), nozzles 14 may be positioned adjacent to other windows 12, including windows on headlight lenses, cameras and radar, ultrasonic, etc., and the like.

[0042] Now refer to figure 2 , each nozzle 14 may provide a nozzle 20 directing a stream of washer fluid 21 toward the adjacent window 12 and generally facing rearwardly relative to the direction of the advancing vehicle. The nozzle 20 may communicate through a standpipe 22 extending generally along the axis 19 with a feed pipe 24 attached to a flexible washer fluid hose 25 running from a washer pump 27 and A fluid storage tank 29 extends and / or leads to the downstream nozzle 14 . Although standpipe 22 generally...

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Abstract

A nozzle assembly (18) for a windshield washer system or the like provides an elongate heater element(30) that can extend along a supply tube connected to the washer nozzle (20) to better transfer heat energy into the washer fluid and the nozzle for preventing nozzle clogging caused by low temperatures.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Patent Application No. 62 / 101,041, filed January 8, 2015, which is incorporated herein by reference. technical field [0003] The present invention relates generally to window washer systems and, more particularly, to window washer systems providing nozzle heaters. Background technique [0004] Window washer systems, such as those used on windshields, may be used in conjunction with vehicle windshield wipers to spray a cleaning fluid on the windshield during activation of the wipers. During winter, antifreeze materials such as ethanol can be added to the washer fluid to prevent the washer fluid from freezing. During the winter, even if ethanol has been added to the washer fluid, washer fluid nozzles that are in the airstream and exposed to ambient moisture can freeze completely, rendering them inoperable when needed. [0005] It is known to place ceramic positive ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60S1/48B60S1/52
CPCB60S1/488B60S1/52H05B3/42
Inventor 爱德华·伯尔加耶夫斯基马丁·克鲁格乌维·斯塔普夫弗洛里安·杜埃尔
Owner ILLINOIS TOOL WORKS INC
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