Coolant Valve Housing Shielding Relief Valve Heat Exposure
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing valve devices for vehicle cooling systems are prone to malfunction due to direct contact of high-temperature coolant water with the relief valve, leading to erroneous overheating recognition and potential vehicle overheating.
Innovation Solution
A valve device design that includes a housing, valve, relief valve, and a covering portion to prevent coolant water from directly hitting the relief valve, ensuring it remains invisible from the inlet port, thereby preventing malfunctions caused by incorrect temperature recognition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the relief valve is directly exposed to the inlet port, then the relief valve can quickly respond to high-temperature coolant water, but the relief valve may malfunction due to erroneous overheating recognition
Solution Approach 1:
The patent introduces a covering portion as an intermediary element that selectively blocks the direct path between the inlet port and the relief valve. This mediator allows the system to maintain both quick response (by allowing indirect thermal sensing) and reliability (by preventing direct contact with high-temperature coolant that causes erroneous activation)
2Reliability
If the relief valve is covered to prevent direct contact with coolant water, then malfunction is prevented, but the response time may increase
Solution Approach 1:
The covering portion is designed with selective coverage - it blocks the direct path from the inlet port to the relief valve while leaving other pathways open. This local differentiation allows the relief valve to remain protected from direct coolant contact while still being able to sense temperature changes through indirect means, maintaining both reliability and acceptable response speed
Data Source
AI summary
A housing has a housing main body that defines an internal space therein, an inlet port that fluidly connects the internal space and an outside of the housing main body to each other, and a relief port that fluidly connects the internal space and the outside of the housing main body to each other. Coolant water flows into the housing through the inlet port. A relief valve is disposed in the relief port and configured to selectively allow and block fluid communication between the internal space and the outside of the housing main body via the relief port by selectively opening and closing the relief port in accordance with conditions. A valve has a valve body rotatable about a rotation axis in the internal space, and a shaft disposed along the rotation axis. A covering portion is configured to cover the relief valve not to be visible through the inlet port.