Fire Sprinkler Installation Tool With Torque-Break Partition

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Solution Overview

Problem

Existing fire sprinkler installation and removal methods often result in over-torqueing, leading to potential damage of the sprinklers and improper installation.

Innovation Solution

A device with an elongated member featuring non-uniform thickness partitions and apertures designed to fracture at a threshold torque level during installation, while maintaining integrity during removal, preventing damage and ensuring proper installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a standard installation tool is used to install fire sprinklers, then the installation process is simple, but over-torquing can damage the sprinkler

Engineering Contradiction:
Improveinstallation simplicityVSAvoidover-torquing damage
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The device incorporates a pre-designed weak partition with non-uniform thickness that is intended to fracture at a predetermined torque threshold. This preliminary structural arrangement ensures that when installation torque is applied, the weak partition will break before the sprinkler is damaged, thus preventing over-torquing harm in advance

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The weak partition acts as an intermediary element between the installation tool and the sprinkler. It absorbs the excessive torque through controlled fracture, protecting the sprinkler from direct damage while still allowing proper installation to occur

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If a device with uniform thickness partition is used, then the structure is simple, but it cannot prevent over-torquing effectively

Engineering Contradiction:
Improvepartition structure simplicityVSAvoidover-torquing prevention
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The partition is designed with non-uniform thickness, where specific local regions have reduced thickness to create weak points. This local variation in geometry ensures that the partition will fracture at predictable locations when excessive torque is applied, providing reliable over-torquing protection while maintaining overall structural simplicity

Inventive Principle:
Principle #3Local quality

3Object-affected harmful factors

If a device that fractures under torque is used, then over-torquing is prevented, but the device may not remain intact for removal

Engineering Contradiction:
Improvesprinkler protectionVSAvoidremoval convenience
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The device is segmented into a permanent body and a sacrificial weak partition. The partition is designed to fracture and separate from the main body when excessive torque is applied, allowing the main device to remain intact and reusable while the partition serves its protective function and can be discarded

Inventive Principle:
Principle #1Segmentation

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

Prevents over-torqueing during installation, protecting the fire sprinklers and ensuring correct installation, while allowing easy removal for maintenance or inspection.

Implementation Method 1

The solid partition can have non-uniform thickness between the main aperture and the at least one surrounding aperture

Methodology Applied
Scientific EffectStress concentration:

Implementation Method 2

the solid partition can have non-uniform thickness between the main aperture and the at least one surrounding aperture

Methodology Applied
Scientific EffectFracture mechanics: Fracture Mechanics

Data Source

PatentUS12623107B2Tool for installing fire sprinklers
Publication Date: 2026.05.12 TYCO FIRE PRODUCTS LP
  • US12623107B2 patent drawing
  • US12623107B2 patent drawing
  • US12623107B2 patent drawing

AI summary

At least one aspect is directed to a device to configure a fire sprinkler. The device can have an elongated member. The elongated member can have an open end, an opposing closed end, and a body extending laterally therebetween. The open end can receive a portion of a fire sprinkler. The closed end can have a main aperture. The main aperture can receive a portion of a ratcheting socket wrench drive. The closed end can have at least one surrounding aperture. The surrounding aperture can be positioned apart from the main aperture to define a solid partition therebetween. The solid partition can have non-uniform thickness between the main aperture and the at least one surrounding aperture.