Reversible Backflow Valve Assembly With Telescoping Spring Retainer
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Backflow prevention assemblies are difficult to manufacture, assemble, and repair, leading to time-consuming processes and potential contamination risks, necessitating the development of more robust and easier-to-install components.
Innovation Solution
A telescoping spring retainer assembly coupled to a reversible valve member, featuring an elongated cylinder and piston with a helical spring, providing a reversible mounting system that simplifies assembly and repair by reducing the number of components and eliminating the need for tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional BFP assembly components are used, then the assembly provides reliable backflow prevention, but the assembly is difficult to manufacture, assemble, and repair
Solution Approach 1:
The BFP assembly is divided into modular components including a body assembly with integrated valve members, a telescoping bias assembly as a separate unit, and a cap assembly. This segmentation allows each module to be manufactured independently and assembled together, simplifying the overall manufacturing process while maintaining reliability.
Solution Approach 2:
The valve members are designed with reversible functionality, allowing them to perform both forward flow and backflow prevention functions. The telescoping bias assembly provides both sealing force and structural support. This multi-functionality reduces the number of separate components needed, making the assembly easier to manufacture and repair.
2Reliability
If traditional BFP assembly components are used, then the assembly provides proper backflow prevention, but the assembly process is time-consuming and prone to errors
Solution Approach 1:
The valve members are pre-assembled with the bias assembly in separate modules before final installation. The telescoping bias assembly is pre-configured with the correct spring tension and positioning. This preliminary preparation reduces on-site assembly time and minimizes the risk of installation errors.
Solution Approach 2:
The telescoping bias assembly is designed to self-adjust during assembly, with the spring automatically positioning itself between the piston and cap. The reversible valve members self-align during installation, reducing the need for precise manual positioning and minimizing assembly time while ensuring proper function.
3Reliability
If traditional BFP assembly components are used, then the assembly provides adequate backflow prevention, but repair processes are complex and result in downtime
Solution Approach 1:
The modular design allows the telescoping bias assembly and valve members to be independently accessed and replaced. If a component fails, only that specific module needs to be removed and replaced, rather than disassembling the entire BFP assembly. This significantly simplifies the repair process and reduces downtime.
Solution Approach 2:
The valve members are designed to be reversible, allowing them to be installed and removed in either orientation. This inversion of the traditional fixed-orientation design simplifies repair by eliminating the need to track orientation during removal and installation, reducing repair complexity and time.
4Reliability
If traditional BFP assembly components are used, then the assembly provides necessary backflow prevention, but the number of components increases complexity
Solution Approach 1:
Multiple functions are merged into fewer components. The body assembly integrates the valve seats and flow paths. The telescoping bias assembly combines the spring mechanism, piston, and sealing elements into a single unit. The cap assembly integrates the Bonnet and closing mechanisms. This merging reduces the total number of separate components while maintaining all necessary backflow prevention functions.
Solution Approach 2:
The telescoping bias assembly serves multiple functions: providing sealing force through spring pressure, supporting the valve member, and guiding the piston movement. The reversible valve members simultaneously handle forward flow and backflow prevention. This multi-functionality reduces component count and simplifies the overall assembly structure.
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
The solution enhances the ease of manufacturing, assembly, and repair of backflow prevention assemblies, reducing downtime and error rates while ensuring efficient operation and public water supply safety.
Implementation Method 1
A spring couples to the body portion and the piston portion to provide a force to urge the body portion and the piston away from one another
Data Source
AI summary
A valve assembly with a spring retention assembly including an elongated cylinder portion having an open threaded end and a closed end and an elongated piston portion having a free end and a threaded tab end configured to thread through the open threaded end and, thereby, be slideably captured in the cylinder portion. A spring couples to the body portion and the piston portion to provide a force to urge the body portion and the piston away from one another, wherein the closed end and the free end are similarly shaped so that the spring retention assembly can be reversibly mounted to a valve member that can also be reversibly mounted.