Torsional Vibration Damper Spacing Limitation Device
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing torsional vibration dampers face issues with increased wear due to friction, potential loss of spring elements, and complex assembly processes, particularly related to the spacing limitation device's interaction with sliding surfaces and radial support.
Innovation Solution
The spacing limitation device is integrated through the spring element rather than outside it, preventing contact with sliding surfaces and ensuring captive positioning of spring elements, thus reducing wear and simplifying assembly by defining maximum spacing and securing the spring elements between sliding shoes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the spacing limitation device acts between the sliding sections of the end shoe and intermediate shoe, then the maximum spacing is defined, but the friction characteristics are degraded and wear increases
Solution Approach 1:
The spacing limitation device is extracted from the sliding sections and repositioned to extend through the spring element instead. This removes the harmful interaction between the spacing limitation device and sliding surfaces while maintaining the function of limiting maximum spacing between sliding shoes.
Solution Approach 2:
The spring element serves as an intermediary through which the spacing limitation device passes. This intermediary structure allows the spacing limitation device to define maximum spacing without directly contacting the sliding sections, thereby eliminating the harmful friction and wear effects.
2Device complexity
If the spacing limitation device is arranged outside the spring element, then the maximum spacing can be defined, but the assembly becomes more complex and security against spring loss is reduced
Solution Approach 1:
The spacing limitation device is merged with the spring element structure by extending through it, rather than being arranged separately outside the spring element. This integration simplifies assembly by reducing the number of separate components and their interactions, while simultaneously improving security against spring loss through the captive positioning mechanism.
Solution Approach 2:
The spacing limitation device is nested through the spring element, with the spring element effectively containing the spacing limitation device within its structure. This nesting arrangement simplifies the overall device configuration and enhances security against spring loss by capturing the spring element within the sliding shoes.
3Manufacturing precision
If the spacing limitation device acts between sliding sections, then spacing is limited, but wear in the sliding region increases
Solution Approach 1:
The spacing limitation device is extracted from the sliding sections and repositioned to extend through the spring element. This extraction maintains the precision of maximum spacing definition while removing the device from the sliding region, thereby eliminating the wear problem.
Solution Approach 2:
The spring element acts as an intermediary structure that allows the spacing limitation device to define maximum spacing without contacting the sliding sections. This intermediary arrangement preserves manufacturing precision for spacing control while protecting the sliding region from wear.
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 configuration enhances friction characteristics, prevents spring element loss, and simplifies assembly by reducing wear on the damper's components and eliminating the need for additional securing means, resulting in a more reliable and easier-to-assemble torsional vibration damper.
Implementation Method 1
a spring device for torsionally elastic coupling of the primary and the secondary element in the circumferential direction, which spring device has at least one spring element
Implementation Method 2
the spacing limitation device... is intended to act between the sliding sections of the end shoe and the intermediate shoe, by means of which the end shoe and the intermediate shoe are supported in sliding fashion in the radial direction
Data Source
AI summary
One embodiment may include a torsional vibration damper having a primary element, a secondary element and a spring device for torsionally elastic coupling of the primary and the secondary element in the circumferential direction, which spring device has at least one spring element, which is arranged between a first and a second sliding shoe, a spacing limitation device being provided to define a maximum spacing (Amax) between the first and the second sliding shoe in the circumferential direction. The spacing limitation device may extend through the at least one spring element in the circumferential direction.