Thermostatic Mixing Valve With Integral Mixing Body
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Solution Overview
Problem
Traditional thermostatic mixing valve designs are complex and costly, leading to limited economical improvements, with added complexity from separate mixing components that hinder compact and cost-effective solutions.
Innovation Solution
A thermostatic mixing valve with a valve body featuring integrally formed mixing parts and a return spring that extends beyond the mixing part, reducing component count and complexity by channeling fluid flow directly within the valve body, and utilizing a piston with a specific height-to-diameter ratio for efficient temperature regulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate mixing components (mixing tubes) are included in the valve, then conventional comfort and fluid guidance are improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The mixing part is integrally formed with the valve body as a single component, eliminating the need for separate mixing tubes. This merging of functions reduces the number of parts while maintaining the fluid guidance capability, directly resolving the contradiction between ease of operation and device complexity
2Reliability
If traditional designs with separate components are used, then conventional comfort is maintained, but manufacturing cost and assembly complexity increase
Solution Approach 1:
The mixing part and valve body are formed as a single integral component, reducing the total part count and simplifying manufacturing processes. This integration maintains the reliable fluid mixing function while significantly reducing assembly steps and manufacturing cost
3Productivity
If more components are added to improve mixing performance, then fluid mixing capability is improved, but device complexity and material usage increase
Solution Approach 1:
The mixing part serves multiple functions simultaneously: it guides fluid flow, mixes hot and cold water, and provides structural support within the valve body. This multi-functionality achieves efficient mixing without requiring additional separate components, resolving the contradiction between productivity and device complexity
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 reduces manufacturing costs, simplifies assembly, and maintains performance by integrating mixing components within the valve body, achieving stable temperature control with fewer components and less material usage without significant pressure drop.
Implementation Method 1
a thermostatic element configured to assist with moving the piston in response to engaging with the stop structure
Implementation Method 2
a return spring configured to assist with biasing the thermostatic element
Data Source
AI summary
A valve including a valve body having at least two inlets and an outlet configured to be in fluid communication with the at least two inlets; an adjusting portion associated with the valve body, the adjusting portion providing a stop structure; a piston in fluid communication with the at least two inlets and the outlet; a thermostatic element configured to assist with moving the piston in response to engaging with the stop structure, the piston being configured to regulate fluid flow from the at least two inlets to the outlet; and a return spring configured to assist with biasing the thermostatic element; and a mixing part provides assistance with mixing fluid from the at least two inlets to the outlet, wherein the mixing part is integrally formed with valve body.