Vehicular Shift Device Magnetic Moderation Wear Reduction
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Solution Overview
Problem
Conventional automatic transmission shift operating devices experience wear and degradation of moderating grooves and springs due to repeated pivoting, leading to reduced durability and operational reliability.
Innovation Solution
An operating device with a tiltable operating member, supported by a system of movable members and magnetic bodies, where magnetic attraction provides a sense of moderation without a sliding mechanism, allowing for durable and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a sliding mechanism with moderating grooves and springs is used to provide a sense of moderation, then the operational feeling is improved, but wear and degradation occur leading to reduced durability
Solution Approach 1:
The patent replaces the mechanical sliding mechanism (moderating grooves and springs) with a magnetic field-based system. The permanent magnet generates a magnetic field that interacts with magnetic bodies attached to the operating member, providing the sense of moderation through magnetic attraction and repulsion forces without any physical contact or sliding, thereby eliminating wear and improving durability while maintaining operational feedback
Solution Approach 2:
The patent introduces a magnetic field as an intermediary between the operating member and the support structure. The permanent magnet and magnetic bodies act as mediators that transmit force and provide tactile feedback without direct mechanical contact, allowing the operating member to tilt and return without sliding against grooves, thus resolving the contradiction between operational feeling and durability
2Ease of operation
If a sliding mechanism is used to support the operating member, then the sense of moderation is achieved, but the complexity of the device increases
Solution Approach 1:
The patent replaces the complex mechanical sliding mechanism with a simpler magnetic field-based system. Instead of requiring precisely machined moderating grooves, springs, and sliding surfaces, the invention uses a permanent magnet and magnetic bodies that can be positioned more simply, reducing manufacturing complexity and assembly difficulty while maintaining the sense of moderation
Solution Approach 2:
The patent extracts and eliminates the sliding mechanism components (moderating grooves, springs, and sliding surfaces) from the device structure. By removing these complex mechanical elements and replacing them with a magnetic field system, the overall device complexity is reduced while the essential function of providing operational feedback is preserved
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 enhances durability and reduces wear by eliminating the need for sliding mechanisms, providing a reliable and long-lasting sense of moderation in vehicular shift operations.
Implementation Method 1
the permanent magnet and the first and second magnetic bodies attract each other
Implementation Method 2
first, the first magnetic body moves away from the permanent magnet with tilting of the first movable member, and next, the second magnetic body moves away from the permanent magnet with tilting of the second movable member
Data Source
AI summary
An operating device includes a tiltable operating member, a support supporting the operating member, a first movable member and a second movable member configured to move together with the operating member, a first magnetic body provided on the first movable member, a second magnetic body provided on a second movable member, and a permanent magnet supported by the support. When the operating member is in a reference position, the permanent magnet and the first and second magnetic bodies attract each other. When the operating member is tilted in a first direction from the reference position to be positioned in multiple positions, first, the first magnetic body moves away from the permanent magnet with the tilting of the first movable member, and next, the second magnetic body moves away from the permanent magnet with the tilting of the second movable member.