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

VSEngineering 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

Engineering Contradiction:
Improvedamper performance measurement accuracyVSAvoiddevice size and space requirement
Core Design Contradiction:
Measurement precisionVSArea of stationary object

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.

Inventive Principle:
Principle #2Taking out (Extraction)

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.

Inventive Principle:
Principle #26Copying

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

Engineering Contradiction:
Improvecontrolled compression and extension forceVSAvoidoperational simplicity and cost
Core Design Contradiction:
ForceVSEase of operation

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.

Inventive Principle:
Principle #25Self-service

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.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

Engineering Contradiction:
Improveability to withstand high forces and repetitive motionVSAvoidportability and adaptability to different locations
Core Design Contradiction:
StrengthVSAdaptability or versatility

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.

Inventive Principle:
Principle #15Dynamics

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.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

Engineering Contradiction:
Improvecomprehensive performance data collectionVSAvoidsystem complexity and cost
Core Design Contradiction:
Measurement precisionVSDevice complexity

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.

Inventive Principle:
Principle #2Taking out (Extraction)

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.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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.

Methodology Applied
Scientific EffectLever: Lever

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

Methodology Applied
Scientific EffectDisplacement: Displacement

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

Methodology Applied
Scientific EffectForce: Force

Implementation Method 4

the force sensor comprises a load cell positioned between the damper and the second frame member

Methodology Applied
Scientific EffectCompression: Compression

Data Source

PatentUS20250347594A1Hand-powered damper testing
Publication Date: 2025.11.13 BRIELMAIER KITO
  • US20250347594A1 patent drawing
  • US20250347594A1 patent drawing
  • US20250347594A1 patent drawing

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.