Pipe Hanger Insert Locking for Precise Gravity Drainage Slope
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pipe hangers in sterile environments face challenges in maintaining the required 2% slope for gravity drainage, as they often require costly adjustments and can lead to bacterial build-up and structural stress due to swiveling and rocking, which may cause galling and seizing, compromising the structural integrity and cleanliness.
Innovation Solution
A slope adjusting pipe hanger with a semi-spherical insert and brackets featuring tongue and groove ridges and indentations allows for precise adjustment and locking of pipes to the required slope, preventing bacterial build-up and structural stress through a secure, smooth, and durable design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a swivel type pipe hanger is used to self-adjust to the required 2% slope, then the pipe can be aligned at the specified slope, but the swivel mechanism causes swaying, cracking, and galling over time due to thermal cycling and load stress
Solution Approach 1:
The patent removes the swivel mechanism entirely from the pipe hanger design. Instead of using a ball-and-socket joint that allows rotation, the invention uses a fixed bracket with an adjustable positioning system that sets the pipe at the required 2% slope without any moving parts, thereby eliminating galling and structural failure
Solution Approach 2:
The patent introduces an adjustable positioning system with multiple predetermined slope positions that allows the pipe hanger to be configured for different slope requirements during installation. This dynamic adjustment capability is achieved through movable positioning elements rather than continuous rotation, providing both precision and reliability
2Manufacturing precision
If a weld is used to lock the self-adjusting hanger housing to the hanger rod, then the slope alignment is fixed, but the process adds costs and requires client specification
Solution Approach 1:
The patent divides the pipe hanger into modular components including a bracket, positioning elements, and a housing that can be assembled without welding. The segmentation allows for pre-fabricated adjustable mechanisms that simplify installation while maintaining precise slope alignment
Solution Approach 2:
The patent incorporates self-locking positioning mechanisms that automatically maintain the selected slope position without requiring additional locking steps or client specifications. The system is designed to be self-contained and self-adjusting within the range of motion
3Adaptability or versatility
If the pipe hanger allows swiveling and rocking movement, then the pipe can self-adjust to slope, but this movement causes bacterial build-up on exposed surfaces in sterile environments
Solution Approach 1:
The patent removes all swiveling and rocking movement capabilities from the pipe hanger design. The fixed bracket with predetermined positioning elements eliminates exposed moving surfaces where bacteria could accumulate, while still achieving the required 2% slope alignment through controlled positioning
Solution Approach 2:
The patent applies different surface qualities to different parts of the pipe hanger. Smooth, non-porous surfaces are used on all exterior surfaces that could contact contaminants, while the internal positioning mechanism provides the necessary adjustment capability without exposing moving parts
4Manufacturing precision
If a fixed angled rod is used to achieve the 2% slope, then the slope is locked in place, but this process is not accurate and reduces the hanger's load-bearing capacity
Solution Approach 1:
The patent uses a dynamic positioning system with multiple predetermined slope positions instead of a fixed angled rod. This allows for accurate 2% slope alignment while maintaining a straight, load-bearing rod structure that does not compromise strength. The adjustability is achieved through movable positioning elements rather than angled cutting
Solution Approach 2:
The patent employs asymmetric positioning elements that engage with the rod at specific locations to create the required 2% slope. This asymmetric configuration allows precise angle control while keeping the rod itself symmetric and structurally optimal for load-bearing
Data Source
AI summary
A slope adjusting and locking pipe hanger, and more particularly, a bracket style pipe hanger that includes a plastic or elastomeric insert that is configured to be rotated to a specified angle to adjust, align and secure a pipe at a percentage of slope to place at an angle for gravity drainage and to a series of interlocking tongue and groove ridges and indentations to adjust and secure the percentage slope of a pipe in place for gravity drainage. The pipe hanger provides for supporting a pipe in either a horizontal or vertical orientation along a ceiling, floor, wall, panel or equipment frame. The pipe hanger further provides a smooth contact surface to prevent bacterial build-up and other contaminants from collecting. The pipe hanger is therefore suitable for use in sterile clean room environments.