Washing Machine Mixing Chamber Inserts for Sealed Valve Coupling
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Solution Overview
Problem
Existing water control valve connection systems for washing machines are inefficient and costly due to material incompatibility issues between the mixing chamber and vacuum break, preventing a simple and cost-effective method for connecting valves to the mixing chamber.
Innovation Solution
A water inlet system with a main body and inserts made of the same material as the mixing chamber, allowing for spin welding and mechanical coupling with a valve assembly of a different material, creating a sealed and efficient connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If water control valves are directly connected to the mixing chamber, then the connection is simple, but material incompatibility prevents proper sealing and connection
Solution Approach 1:
The connection system is divided into separate components: a mixing chamber body made of one material and a valve assembly made of a different material. This segmentation allows each component to be optimized for its specific material properties while maintaining compatibility through the connection interface.
Solution Approach 2:
An intermediary connection mechanism is introduced between the mixing chamber and valve assembly, consisting of a connection portion with internal threading and a corresponding valve port. This intermediary structure enables reliable sealing between incompatible materials by providing standardized mating surfaces and sealing interfaces.
2Adaptability or versatility
If different materials are used for the mixing chamber and valve assembly, then each component can be optimized for its function, but material incompatibility complicates the connection process
Solution Approach 1:
The connection portion is designed with universal features including internal threading and a standardized interface that can accommodate different valve types and materials. This universal design allows the mixing chamber to connect to various valve assemblies while maintaining consistent sealing and alignment, reducing overall system complexity despite material diversity.
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
This solution enables a cost-effective and efficient connection of valves to the mixing chamber, reducing complexity and ensuring a waterproof seal, while allowing for secure locking features to prevent incorrect assembly and ensure proper valve alignment.
Implementation Method 1
The at least one insert is spin welded to the main body
Implementation Method 2
The valve assembly is mechanically coupled and sealed with the insert
Data Source
AI summary
A water inlet system for a washing machine including a main body, at least one insert and a valve assembly. The main body is made of a first material. The at least one insert is spin welded to the main body. The at least one insert is made of a material substantially the same as the first material. The valve assembly is mechanically coupled and sealed with the insert. The valve assembly has a valve body made of a second material, with the first material and the second material being different.