Compact Shifting Device With Beside-Positioned Element
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Solution Overview
Problem
Conventional shifting devices are longer and have more components than needed, which increases space, weight, and assembly complexity, particularly in applications like double clutch transmissions.
Innovation Solution
A compact shifting device with a shiftable double member arrangement and a shifting element positioned beside the double member structure, utilizing a minimal number of components and integrating shifting sleeves for direct coupling and uncoupling, with a speed synchronizing unit that eliminates intermediate synchronization bodies, allowing shared components for multiple functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If conventional shifting devices use traditional arrangements with intermediate synchronization bodies, then the shifting function is reliable, but the axial length increases and component count increases
Solution Approach 1:
The patent merges the first and second shifting units into a compact arrangement where they are partially integral or closely positioned. The synchronization unit is integrated directly beside the double member arrangement, eliminating the need for separate intermediate synchronization bodies. This merging reduces axial length while maintaining all necessary shifting and synchronization functions through shared components and compact geometric arrangement.
2Reliability
If conventional shifting devices include separate intermediate synchronization bodies, then the speed synchronization is reliable, but the device length and weight increase
Solution Approach 1:
The shifting sleeves are designed to perform multiple functions simultaneously. Each shifting sleeve not only shifts the double member arrangement but also serves as part of the speed synchronization mechanism. This multi-functionality eliminates the need for separate intermediate synchronization bodies, reducing overall device weight while maintaining reliable speed synchronization through the integrated design.
3Adaptability or versatility
If conventional shifting devices use traditional component arrangements, then all shifting functions are achieved, but the number of components and assembly complexity increase
Solution Approach 1:
The shifting device is segmented into functional units (first shifting unit, second shifting unit, synchronization unit) that are partially integral and positioned beside the double member arrangement. This segmentation allows each unit to be manufactured and assembled separately with reduced complexity, while the compact integration maintains all necessary shifting functions. The shifting sleeves and synchronization bodies are designed as modular components that simplify assembly procedures.
Data Source
AI summary
In a shifting device comprising a shiftable double member arrangement and a shifting element for shifting the double member arrangement, the shifting element is arranged at least partially at a side of and next to, the double member arrangement.