Strain-Gauged Valve Bracket for Non-Cylindrical Torque Measurement

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Solution Overview

Problem

Current industrial process control systems lack the ability to accurately measure and calculate torque on non-cylindrical valve bodies, as existing methods rely on straightforward conversions from strain to torque that are not applicable to non-cylindrical features.

Innovation Solution

A bracket system with a strain gauge mounted on a non-cylindrical structure, such as a C-shaped bracket, which includes recesses and patterns of openings to enhance strain measurement, coupled with a microprocessor to convert strain data into torque values using customized equations based on the bracket's geometry and material properties.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If a strain gauge is mounted on a cylindrical body for torque measurement, then the conversion from strain to torque is simple and straightforward using known equations, but this method cannot be applied to non-cylindrical valve bodies

Engineering Contradiction:
Improveease of torque calculationVSAvoidapplicability to non-cylindrical bodies
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The patent changes the geometric parameters of the mounting structure from cylindrical to non-cylindrical (C-shaped, L-shaped, or Z-shaped brackets) while maintaining the strain measurement capability. This allows the torque measurement system to adapt to different valve body geometries without relying on standard cylindrical conversion equations

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent segments the torque measurement function from the valve body itself by introducing a separate bracket structure. This bracket can be mounted on various valve body types and provides a standardized platform for strain gauge installation, decoupling the measurement system from the specific valve geometry

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If a strain gauge is mounted on a non-cylindrical bracket to measure torque on non-cylindrical valve bodies, then adaptability to different valve geometries is achieved, but the conversion from strain to torque becomes complex and not currently available

Engineering Contradiction:
Improveapplicability to non-cylindrical bodiesVSAvoidcomplexity of strain to torque conversion
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent introduces a microprocessor-based control system as an intermediary that performs the complex strain-to-torque conversion calculations. This intermediary component handles the mathematical complexity of converting strain measurements from non-cylindrical brackets into accurate torque values, making the overall system usable despite the complex conversion requirements

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces manual or simplified mechanical conversion methods with an electronic computing system (microprocessor). This substitution enables complex real-time calculations of torque from strain measurements on non-cylindrical structures, providing accuracy that would be difficult to achieve through mechanical means alone

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 accurate and reliable torque measurement on non-cylindrical valve bodies by converting strain data into usable torque values, facilitating real-time monitoring and predictive maintenance.

Implementation Method 1

a strain gauge mounted to the wall (or walls)

Methodology Applied
Scientific EffectStrain gauge measurement: Piezoresistive Effect

Data Source

PatentEP4260033B1Bracket torque device
Publication Date: 2026.02.18 BRAY INTERNATIONAL INC
  • EP4260033B1 patent drawingFigure 1
  • EP4260033B1 patent drawingFigure 2
  • EP4260033B1 patent drawingFigure 3

AI summary

The embodiments disclosed herein relate to a bracket for a valve system, having an actuator side of the bracket, defining a first set of one or more holes; a valve side of the bracket, wherein the valve side is opposite the actuator side, and further wherein the valve side defines a second set of one or more holes; a wall connecting the actuator side and the valve side; and a strain gauge mounted to the wall.