Headlight Washer System Integration via T-Fitting
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Solution Overview
Problem
Existing motor vehicle headlight systems are inefficient in removing debris accumulation during operation, leading to reduced visibility and safety concerns.
Innovation Solution
A headlight washer system integrated with an existing windshield washer system, utilizing a secondary pump and backflow valve to deliver cleaning solution directly to the headlamps, enhancing debris removal capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a dedicated headlight washer system is installed, then headlight cleaning capability is improved, but device complexity and cost increase
Solution Approach 1:
The patent adapts the existing windshield washer system to perform both windshield washing and headlight cleaning functions. The primary pump, reservoir, and control mechanisms serve dual purposes, eliminating the need for a completely separate headlight washer system while maintaining effective headlight cleaning capability
Solution Approach 2:
A T-fitting is introduced as an intermediary component in the fluid delivery system. This simple intermediary device branches the fluid flow from the primary outlet line to deliver cleaning solution to both the windshield and headlamps, resolving the contradiction by adding minimal complexity through a straightforward structural modification
2Device complexity
If windshield washer system is used for headlight cleaning, then system complexity is reduced, but cleaning effectiveness may be insufficient
Solution Approach 1:
The system segments the fluid delivery into separate controlled streams: one stream continues to the windshield via the original outlet, while another stream is directed to the headlamps through the T-fitting and dedicated hose. This segmentation ensures that the existing windshield washer system maintains its primary function while effectively adding headlight cleaning capability without compromising cleaning effectiveness
Solution Approach 2:
The system is configured so that the primary pump and reservoir are pre-positioned and pre-filled with cleaning solution. The T-fitting and secondary hose are pre-installed in the fluid pathway, allowing the headlight cleaning function to be activated immediately when needed without requiring additional preparation or complex setup
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively washes dirt and debris off vehicle headlamps, improving visibility and safety by leveraging existing windshield washer system components with added functionality.
Implementation Method 1
a secondary pump constructed and arranged with a dedicated actuator; a primary outlet split device that divides solution exiting from said primary solution outlet line into a windshield washer fluid solution supply line and a secondary pump inlet line; an outlet line directing solution from said secondary pump to a backflow valve
Implementation Method 2
said backflow valve constructed and arranged with an outlet that divides incoming windshield washer fluid solution into two identical backflow valve outlet lines
Data Source
AI summary
The present invention for rights for a system configured for use with an existing motor vehicle windshield washer system whereby a portion of solution is directed to a headlamp washing outlet.