Electromagnetic Engine Mount Cooling Sub-Channel
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Solution Overview
Problem
Conventional electromagnetic active engine mount apparatuses suffer from thermal damage to rubber components due to heat generated by the solenoid coil during operation, leading to reduced durability and frequent replacements.
Innovation Solution
A sub-channel for working fluid flow is formed within the electromagnetic drive's central portion to cool the solenoid coil, enhancing durability, reducing size, and simplifying the structure by integrating the yoke, core, and case through injection molding and using a sealing member to prevent fluid leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a solenoid coil is used in the electromagnetic drive to generate electromagnetic force, then the vibrating member can be operated to reduce engine vibration, but heat is generated from the coil causing thermal damage to rubber components
Solution Approach 1:
The patent converts the harmful heat generated by the solenoid coil into a beneficial cooling mechanism by introducing a sub-channel that allows working fluid to flow through the electromagnetic drive's central portion. The working fluid absorbs heat from the coil, transforming the thermal problem into a functional cooling system that protects rubber components from thermal damage while maintaining the electromagnetic driving function
2Device complexity
If the electromagnetic drive structure is simplified by integrating components, then device complexity is reduced, but heat dissipation capability may be compromised
Solution Approach 1:
The patent merges the electromagnetic drive components (yoke, core, and case) into an integrated structure formed by injection molding, reducing device complexity and assembly steps. Simultaneously, the sub-channel for working fluid flow is incorporated into this integrated structure, ensuring that heat dissipation capability is maintained despite the simplified design. The sealing member is also integrated to prevent fluid leakage
Solution Approach 2:
The integrated structure incorporates the sub-channel that converts the heat generation issue into a beneficial cooling function, allowing the simplified structure to effectively manage thermal loads while reducing overall device complexity
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 solution effectively cools the solenoid coil, preventing thermal damage, improving durability, reducing the apparatus's size and weight, and minimizing noise from fluid contact, while maintaining effective vibration reduction across various frequency bands.
Implementation Method 1
a sub-channel through which working fluid flows is formed in the central portion of an electromagnetic drive so as to cool heat generated from a coil of a solenoid section
Implementation Method 2
an electromagnetic drive (700) operated so as to generate vibration to reduce vibration of an engine
Data Source
AI summary
An electromagnetic active engine mount apparatus includes a sub-channel through which working fluid flows is formed in the central portion of an electromagnetic drive so as to be able to cool heat generated from the coil of a solenoid section of the electromagnetic drive by repetitive operation of a vibrating member. Thus, the electromagnetic active engine mount apparatus can inhibit the heat generated from the coil to thus prevent thermal damage to various components formed of rubber, and provide improvement of its durability, reduction of its size, and simplification of its structure.