Pipe Freezing Chamber With Adapter Plates for Variable Diameters
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Solution Overview
Problem
Existing pipe freezing devices are cumbersome and costly due to the need for multiple chambers of different sizes to accommodate pipes of varying diameters, leading to difficulties in transportation and leakage issues.
Innovation Solution
A pipe freezing apparatus comprising first and second half cylindrical chamber sections with adapter plates and compressible gaskets, allowing for a single device to fit around pipes of different diameters with a leak-free seal, using a clamp and compressible tape for secure attachment and refrigerant introduction for efficient freezing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple chambers of different sizes are used to accommodate pipes of varying diameters, then the freezing device can handle different pipe sizes, but the device becomes cumbersome and costly with transportation difficulties
Solution Approach 1:
The patent employs a single universal chamber design that can accommodate pipes of varying diameters through the use of adjustable adapter plates. Instead of requiring multiple chambers of different sizes, one chamber with interchangeable adapter plates serves multiple pipe size requirements, thereby reducing device complexity and improving portability while maintaining adaptability across different pipe diameters
2Device complexity
If a single chamber is used for different pipe diameters, then transportation becomes easier and cost is reduced, but leakage occurs from between the pipe outer wall and chamber wall
Solution Approach 1:
The patent introduces adapter plates as intermediary components between the pipe and the chamber. These adapter plates are customized to match specific pipe diameters and create a proper sealing interface. The adapter plates act as mediators that adapt the universal chamber to different pipe sizes while maintaining seal integrity, preventing refrigerant leakage without requiring multiple specialized chambers
3Adaptability or versatility
If adapter plates are used to fit different pipe sizes, then a single chamber can serve multiple purposes, but the adapter plates are cumbersome and may fall out during placement
Solution Approach 1:
The patent designs the adapter plates with curved or contoured surfaces that match the cylindrical geometry of the pipe and chamber. This curvature ensures proper engagement and alignment, preventing the adapter plates from falling out during placement. The shaped interfaces provide natural mechanical retention while maintaining the ability to accommodate different pipe diameters
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 efficient freezing of a plug within pipes of various diameters with reduced weight and cost, ensuring a snug fit and leak-free operation, facilitating pipe repairs without the need for multiple devices.
Implementation Method 1
Refrigerant is then introduced, normally via a hose from a refrigerant source, into the chamber and allowed to evaporate
Implementation Method 2
As the refrigerant evaporates, heat is extracted from the pipe and fluid within the section of pipe enclosed by the chamber
Implementation Method 3
resulting in freezing of the liquid within the section of pipe enclosed by the chamber
Data Source
AI summary
A kit is described for use in freezing liquid within a first pipe of a given first diameter and a second pipe of a given second diameter less than the given first diameter. The kit includes a multi-section refrigerant chamber adapted for attachment around a pipe, the chamber having end mounting walls with openings having a diameter greater than the first given diameter; a pair of first adapter plates attachable to the outer faces of the end walls of the chamber sections, the first adapter plates having central pipe receiving openings with a diameter equal to the first given diameter; and a pair of second adapter plates attachable to the outer faces of the end walls of the chamber sections, the second adapter plates having central pipe receiving opening with a diameter equal to the second given diameter. A compressible gasket can be inserted between the chamber sections.