Manual Damper Tester With Pivot Frame and Force Sensing
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Solution Overview
Problem
Conventional damper dynos are expensive, large, and require significant power and space, making them impractical for many applications due to their high cost and size, and they are not easily portable or adaptable to different damper types and sizes.
Innovation Solution
A manually powered, adjustable, and portable damper tester that can be secured to a wall or vehicle structure, allowing ergonomic operation without motors or heavy machinery, featuring adjustable components and sensors for accurate performance measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional damper dynos with motors and hydraulic systems are used, then accurate damper performance measurements can be achieved, but the device becomes large, expensive, and requires significant power and space
Solution Approach 1:
The patent extracts the essential measurement function from the complex conventional damper dyno system. It removes motors, hydraulic systems, and heavy machinery, retaining only the critical components needed for measurement: a pivotable frame member, sensors (displacement and force), and data processing capability. This extraction achieves accurate measurements while dramatically reducing device size and space requirements.
Solution Approach 2:
The patent creates a simplified copy of the conventional damper dyno's measurement capability. Instead of replicating the full motorized system, it uses a manual pivotable frame with sensors that copies the essential function of measuring force and displacement. This simplified copy provides sufficient measurement accuracy for damper performance evaluation without the complexity and size of the original system.
2Force
If conventional damper dynos with motors and heavy machinery are used, then controlled compression and extension forces can be applied, but the device becomes expensive and difficult to operate
Solution Approach 1:
The patent implements self-service by allowing the operator to directly apply compression and extension forces to the damper through manual manipulation of the pivotable frame member. The system eliminates motors and hydraulic systems, requiring the operator to perform the work that would otherwise be done by automated machinery. This approach reduces cost and complexity while maintaining the ability to apply controlled forces for testing.
Solution Approach 2:
The patent replaces the motorized mechanical system with a purely manual mechanical system. Instead of using motors to generate compression and extension forces, the operator applies forces directly through the handle and pivotable frame. This substitution eliminates complex mechanical drive systems while preserving the essential testing capability.
3Strength
If conventional damper dynos with large stationary frames are used, then high forces and repetitive motion can be withstood, but the device requires large dedicated space and is not portable
Solution Approach 1:
The patent introduces dynamics by making the frame member pivotable rather than stationary. The pivotable design allows the structure to move and adapt during operation, enabling the operator to apply forces in different directions and positions. This dynamic design maintains strength and stability during testing while dramatically improving portability and adaptability to different locations and damper types.
Solution Approach 2:
The patent achieves universality through the adjustable and pivotable design of the frame member. The system can accommodate different damper types, sizes, and mounting configurations by adjusting the pivot point and attachment positions. This multi-functional design allows a single device to perform various testing functions at different locations without requiring a large dedicated space or multiple specialized machines.
4Measurement precision
If conventional damper dynos are used, then comprehensive damper performance data can be collected, but the high cost and complexity make them impractical for many applications
Solution Approach 1:
The patent extracts only the essential measurement components from the complex conventional system. It removes motors, control systems, and heavy machinery, retaining only the critical sensors (displacement and force sensors) and data processing capability. This extraction achieves comprehensive performance data collection while dramatically reducing system complexity and cost.
Solution Approach 2:
The patent replaces complex motorized mechanical systems with simple manual operation combined with electronic sensing. Instead of using motors and control systems to generate and measure forces, the operator manually applies forces while sensors measure the resulting displacement and force. This substitution maintains measurement precision while eliminating complex mechanical and control systems.
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
Enables cost-effective, space-efficient, and accurate damper performance testing at various locations, providing comprehensive data on damper behavior and suitability for specific applications, while being easily transportable and adaptable to different damper types.
Implementation Method 1
The second frame member is pivotably coupled with the first frame member. The handle is coupled to the second frame member. The handle is configured to receive a manual force from a human operator to pivot the second frame member.
Implementation Method 2
a displacement sensor configured to measure displacement of the damper as the second frame member pivots relative to the first frame member
Implementation Method 3
a force sensor configured to measure force produced by the damper as the second frame member pivots relative to the first frame member
Implementation Method 4
the force sensor comprises a load cell positioned between the damper and the second frame member
Data Source
AI summary
Systems and methods for damper testing. One embodiment is an apparatus including a first frame member, second frame member, and handle. The first frame member is configured to couple with a first end of a damper. The second frame member is pivotably coupled with the first frame member. The second frame member is configured to couple with a second end of the damper. The handle is coupled to the second frame member. The handle is configured to receive a manual force from a human operator to pivot the second frame member. The first frame member is configured to couple with a wall structure to suspend the first frame member off the ground and in a fixed position as the second frame member pivots to compress or extend the damper for performance testing.


