Washer liquid supply system
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Solution Overview
Problem
Existing washer liquid supply systems for vehicles face delays in ejection due to the design of the heat-retaining tank, where the upper end of the flow pipe is positioned higher than the tank's bottom surface, causing a delay in washer liquid ejection until the liquid level reaches the upper end.
Innovation Solution
A washer liquid supply system with a heat-retaining tank and a control section that temporarily increases the delivering amount of washer liquid at the initial stage of supply, using a pump to quickly raise the liquid surface and prevent delays, and incorporating a bubbling section to maintain bubble generation and improve washing capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the heat-retaining tank is designed with the flow pipe upper end positioned higher than the bottom surface, then the washer liquid can be retained at appropriate temperature, but the ejection is delayed until the liquid level reaches the upper end of the flow pipe
Solution Approach 1:
The control section performs preliminary action by temporarily increasing the delivering amount of washer liquid at the initial time of supply. This preliminary increase in delivery rate ensures that the liquid level in the heat-retaining tank rises quickly to the flow pipe inlet, eliminating the delay before ejection begins while the liquid is being heated
2Loss of time
If the delivering amount is increased temporarily at initial time, then the liquid level rises quickly and ejection delay is reduced, but the energy consumption increases
Solution Approach 1:
The control section applies periodic action by temporarily increasing the delivering amount only at the initial time of supply, then returning to normal delivery rate. This time-limited high delivery mode ensures quick liquid level rise to eliminate ejection delay, while the temporary nature of the increased delivery minimizes additional energy consumption
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
The system ensures quick and efficient supply of washer liquid to vehicle surfaces by managing the liquid level and maintaining bubble generation, reducing delays and enhancing washing performance.
Implementation Method 1
a delivering section mounted on the vehicle to deliver the washer liquid stored in the washer tank to the supply section through the heat-retaining tank
Data Source
AI summary
A washer liquid supply system is disclosed which includes: a washer tank mounted on a vehicle to store washer liquid; a supply section mounted on the vehicle to supply the washer liquid in the washer tank to an object of the vehicle; a heat-retaining tank mounted on the vehicle and disposed between the washer tank and the supply section to temporarily store the washer liquid supplied from the washer tank to the supply section; a delivering section mounted on the vehicle to deliver the washer liquid stored in the washer tank to the supply section through the heat-retaining tank; and a control section that controls the delivering section, wherein the control section controls the delivering section to temporarily increase a delivering amount of the washer liquid at an initial time of supplying the washer liquid.