Oil Circuit Flow Regulation via Mechanical Actuation
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Solution Overview
Problem
Existing oil circuits for internal combustion engines are costly and complex, requiring separate supply rails, controlled valves, and extensive wiring, leading to inefficient oil flow management and increased fuel consumption, especially at lower engine loads.
Innovation Solution
A cylindrical oil ramp with a flow control system that uses mechanical actuation means calibrated to nominal oil pressure to regulate oil supply outlets, allowing for adjustable oil flow without the need for additional measuring means, ensuring efficient lubrication and cooling based on engine speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a controlled valve and separate supply rails are used to regulate oil flow, then oil flow management is improved, but device complexity and cost increase
Solution Approach 1:
The patent combines the flow control function with the existing oil ramp structure by integrating movable closure means directly into the ramp walls. This merges the valve function with the supply rail, eliminating the need for separate controlled valves and reducing system complexity while maintaining effective oil flow regulation.
Solution Approach 2:
The oil ramp is designed to serve multiple functions: it distributes oil to various engine components and simultaneously provides flow control through integrated closure means. This multi-functionality eliminates the need for separate dedicated flow control devices, reducing overall system complexity.
2Measurement precision
If measuring means and actuation motors are installed to control oil pressure, then oil flow control precision is improved, but device complexity and cost increase
Solution Approach 1:
The system uses the oil pressure itself to actuate the closure means directly, eliminating the need for separate measuring means and actuation motors. The oil pressure automatically triggers the flow control action, making the system self-regulating and reducing complexity.
Solution Approach 2:
The patent replaces electronic measurement and actuation systems with a direct mechanical response system where oil pressure physically actuates the closure means. This substitution eliminates the need for sensors, motors, and wiring, significantly reducing system complexity.
3Temperature
If a complete redesign of the cylinder block is performed to accommodate new nozzles, then cooling effectiveness is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The patent segments the flow control function into separate movable closure means that can be independently positioned in the oil ramp, rather than requiring a complete redesign of the cylinder block. This allows cooling effectiveness to be improved through targeted flow control without the complexity of redesigning the entire block structure.
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
This solution provides a simple, universal, and cost-effective thermal management system that optimizes oil flow according to engine needs, reducing fuel consumption and maintaining component temperature effectively.
Implementation Method 1
said actuating means being calibrated to a nominal oil pressure circulating in said circuit and capable of actuating said closure means in the event of said nominal oil pressure being exceeded
Data Source
AI summary
The invention relates to an oil circuit for an internal combustion engine, said circuit comprising a manifold (10) having an oil inlet (11) and oil outlets (12, 13) for supplying different parts of the engine with oil. According to the invention, the main manifold (10) comprises a flow regulation device comprising means for regulating the flow of oil in said manifold (10) towards the parts of the engine, and means (16) for actuating said regulation means tared according to the pressure of the oil circulating in the manifold.