Liquid Product Valve Assembly with Selectable Seat Surfaces
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Solution Overview
Problem
Existing liquid product pumps struggle to efficiently handle liquids of varying densities and viscosities without requiring additional components, leading to inconsistent delivery and painting processes.
Innovation Solution
A liquid product valve assembly with a seat featuring multiple support surfaces for a sealing element, allowing adjustable pressure drops to accommodate different liquid densities or viscosities without increasing parts, ensuring uniform delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single valve seat with fixed geometry is used, then the device complexity is reduced, but the adaptability to different liquid products (densities and viscosities) deteriorates
Solution Approach 1:
The valve seat is segmented into multiple support surfaces (first support surface, second support surface, third support surface) with different geometries. Each support surface corresponds to a different liquid product type, allowing the sealing element to be positioned at different locations to achieve optimal sealing for various liquid densities and viscosities without requiring multiple complete valve assemblies
Solution Approach 2:
The valve assembly transitions from a static, fixed-geometry seat to a dynamic configuration where the sealing element can be positioned at different locations on the valve seat. This positioning can be adjusted based on the liquid product being pumped, either through manual adjustment mechanisms or automatic positioning systems that respond to product properties
2Manufacturing precision
If the valve seat geometry is fixed, then the manufacturing precision requirements are simplified, but the delivery uniformity for different liquid products deteriorates
Solution Approach 1:
The valve seat incorporates multiple pre-designed support surfaces with different geometries optimized for specific liquid product ranges. Each support surface is precision-manufactured for its intended purpose, allowing the system to maintain high delivery uniformity across different products without requiring a single ultra-precise geometry that would compromise performance for any specific product type
3Adaptability or versatility
If additional components are added to accommodate different liquid products, then the adaptability improves, but the device complexity increases
Solution Approach 1:
Multiple valve seat configurations that would traditionally require separate valve assemblies are merged into a single integrated valve seat structure. The different support surfaces are combined in one component, allowing the sealing element to access different geometries while maintaining a unified valve assembly design that reduces overall component count
Solution Approach 2:
The valve seat is designed as a universal component that can handle multiple liquid product types through its multiple support surfaces. Each support surface is optimized for different product properties, making the single valve assembly universally applicable across various liquid densities and viscosities without requiring product-specific valve components
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 consistent painting processes by adapting to different liquid products through adjustable strokes, enhancing delivery uniformity and efficiency without additional components.
Implementation Method 1
different pressure drops are defined, allowing the use of liquid products of different densities or viscosities
Data Source
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AI summary
The invention relates to a liquid product valve assembly, intended to be employed in a pump, such as, for example, a pump for spreading paint, solvent, etc. The valve assembly incorporates a valve, provided with a seat, as well as a sealing element, intended to rest on the seat. The valve assembly stands out because the seat includes several support surfaces to support the sealing element, allowing to define different strokes of the sealing element, as a result of which, different pressure drops are defined, allowing the use of liquid products of different densities or viscosities, simply by selecting the corresponding support surface, without the need to increase the number of parts of the valve assembly. The selection of an appropriate pressure drop for each liquid product allows a more uniform delivery of the liquid product.