Coolant Pressure Regulator System for Engine Heat Exchange
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Solution Overview
Problem
Current vehicle cooling systems face limitations in maintaining coolant temperatures far from the boiling point, which reduces heat exchange efficiency as the coolant temperature rises, limiting the amount of heat that can be absorbed from the engine.
Innovation Solution
A coolant pressure regulator system that includes a pressurized fluid circuit with a pump, a pressure differential valve, a surge tank, and a liquid barrier valve, which selectively raises the coolant pressure to increase its boiling point and enhance heat exchange capabilities, utilizing a compressor or separate pump to manage pressure and temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If coolant temperature is increased to improve heat absorption capacity, then heat exchange capability is enhanced, but coolant approaches boiling point reducing effectiveness
Solution Approach 1:
The patent changes the pressure parameter of the coolant system. By increasing system pressure through the pressurized fluid circuit, the boiling point of the coolant is elevated, allowing the coolant to operate at higher temperatures without boiling, thus maintaining heat absorption capacity while improving heat exchange capability.
2Quantity of substance
If system pressure is increased to raise coolant boiling point, then heat exchange capability is improved, but system complexity increases
Solution Approach 1:
The patent employs a pressure differential valve that serves multiple functions: it regulates pressure, controls fluid flow direction, and protects the system from over-pressurization. This multi-functional component reduces overall system complexity by consolidating several control functions into a single device.
Solution Approach 2:
The pressure differential valve automatically responds to pressure conditions without external control. When pressure differential exceeds a threshold, the valve opens to relieve pressure; when pressure equalizes, the valve closes automatically. This self-regulating mechanism eliminates the need for complex external control systems.
3Reliability
If pressure relief cap is used to prevent over-pressure, then system safety is maintained, but coolant temperature cannot be optimized for maximum heat exchange
Solution Approach 1:
The patent replaces the static pressure relief cap with a dynamic pressure differential valve system that actively maintains optimal pressure. The valve opens and closes based on real-time pressure differential conditions, allowing the system to maintain higher pressures for improved heat exchange while still providing safety relief when necessary, thus dynamically optimizing both heat absorption capacity and system safety.
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 effectively maintains coolant at higher temperatures, increasing its heat absorption capacity and improving engine cooling efficiency by raising the boiling point of the coolant, thereby enhancing the overall heat exchange process.
Implementation Method 1
The pressurized fluid circuit includes a pump operably to selectively raising a pressure of coolant in the coolant circuit
Implementation Method 2
the pressure differential valve opens when fluid pressure at the inlet exceeds fluid pressure at the outlet
Data Source
AI summary
A coolant pressure regulator system includes a coolant circuit, and a pressurized fluid circuit selectively fluidically connected to the coolant circuit. The pressurized fluid circuit includes a pump operably to selectively raising a pressure of coolant in the coolant circuit.


