Prismatic Gas Filter with Modular Clamping
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Solution Overview
Problem
Standard surface mount gas filtration devices with sintered porous metal media are costly, have a short lifespan, and are cumbersome to develop, limiting their scalability and efficiency in restricted spaces.
Innovation Solution
A modular filtration apparatus using a prismatic support body with planar filtration media elements and clamping members, allowing for increased filtration area without the need for extensive height, utilizing materials that cannot be used in cylindrical configurations, and achieving efficient particulate removal with staged filtration media layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sintered porous metal media is used in standard surface mount filters, then filtration function is achieved, but cost increases and lifespan decreases
Solution Approach 1:
The filter assembly is divided into separate modular components: a support body with flow passages, filtration media elements, and clamping members. This segmentation allows for easier manufacturing, customization, and replacement of individual components, resolving the contradiction between achieving reliable filtration and the complexity of development and manufacturing.
Solution Approach 2:
The invention changes the geometric parameters from a monolithic cylindrical sintered structure to a prismatic support body with planar filtration surfaces. This parameter change enables the use of alternative materials and manufacturing processes that are less costly and have longer service lives while maintaining filtration effectiveness.
2Productivity
If filtration area is increased to improve filtration efficiency, then particulate removal efficiency increases, but device size increases
Solution Approach 1:
The invention transitions from a cylindrical three-dimensional filtration geometry to a prismatic structure with planar filtration surfaces. This dimensional change allows for optimized flow passages and filtration areas that can be configured to maximize efficiency within a constrained footprint, as the prismatic shape provides better space utilization compared to traditional cylindrical arrangements.
3Reliability
If sintered porous metal media is used, then filtration is achieved, but development time increases and cost increases
Solution Approach 1:
By segmenting the filter into standardized modular components (support body, filtration media, clamping members), the invention enables faster development and customization. The standardized interface and modular design allow for rapid prototyping and adaptation to different applications without requiring extensive development cycling, thus reducing development time while maintaining reliable filtration performance.
Solution Approach 2:
The prismatic support body design serves multiple functions simultaneously: it provides structural support, defines flow passages, and accommodates filtration media elements. This multi-functionality reduces the number of separate components needed, simplifying the development process and reducing time to market while ensuring reliable filtration through the integrated design.
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 provides lower pressure loss, higher flow rates, and longer lifespan compared to traditional sintered metal media, while being less expensive and more flexible in configuration, allowing for efficient gas filtration in limited spaces.
Implementation Method 1
a porous filtration structure disposed within the filtration element receiving channel of each of the at least one of the side walls so as to cover the inlet flow passage. The filtration structure is configured for removing particulate matter from a gas flow passing there-through.
Data Source
AI summary
A filtration element assembly for use with a cylindrical filter casing has a prismatic support body with a support body interior space. The side walls of the support body form a polygonal outer cross-sectional shape defining a circumscribed circle with a diameter less than or equal to the casing diameter. At least one side wall has an inlet flow passage with a receiving channel surrounding it. A porous filtration structure is disposed within the receiving channel so as to cover the inlet flow passage. A clamping member attached to each of the at least one side wall has a framing portion and a flange portion. The framing portion has a flow window formed there-through in registration with the inlet flow passage. The flange portion extends from the framing portion and is sized and configured for reception into the receiving channel to engage and retain the filtration element within the channel.