Unitary Filter Assembly with Integrated Conduit for Simpler Manufacturing
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Solution Overview
Problem
Existing filter assemblies are complex to manufacture and assemble, leading to increased costs and decreased performance due to the need for assembling front and rear halves, which complicates the assembly process.
Innovation Solution
A filter assembly with a unitary structure comprising a body and a conduit system integrated within the cavity, featuring an inlet and two outlets, separates fluid and debris efficiently by directing the mixture into the cavity through a first outlet and the cleaned fluid out through a second outlet, eliminating the need for separate assembly of halves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If filters are assembled using plural injection molded spin tubes press-fit into metallic and/or polymer housings, then the filter can be manufactured with multiple components, but the manufacturing complexity and cost increase
Solution Approach 1:
The patent combines the spin tube and housing into a single integrated component manufactured as one piece using injection molding. The spin tube is formed with an integrated housing structure that includes the tube, end caps, and mounting features all in one component, eliminating the need for separate assembly of multiple parts.
Solution Approach 2:
The integrated spin tube housing serves multiple functions simultaneously: it acts as the spin tube for separation, provides the housing structure for mounting and containment, and includes integrated end caps and mounting features. This multi-functional design reduces the number of separate components needed.
2Productivity
If the filter is assembled by press-fitting spin tubes into housings, then the filter can be constructed from separate components, but the assembly process becomes complex and time-consuming
Solution Approach 1:
The spin tube and housing are merged into a single monolithic component that is injection molded as one piece. This eliminates all press-fitting and assembly operations, allowing the filter to be produced in a single manufacturing cycle without multiple assembly steps.
3Ease of manufacture
If the filter is assembled from front and rear halves that are press-fit together, then the filter can be constructed modularly, but the manufacturing complexity and cost increase
Solution Approach 1:
The filter is designed as a single integrated component where the spin tube, housing, end caps, and mounting features are all formed as one piece through injection molding. This eliminates the need to assemble front and rear halves separately, reducing both manufacturing cost and assembly complexity.
4Reliability
If complex assemblage of components is used to form the filter, then the filter can be constructed with multiple functional elements, but performance levels decrease over time
Solution Approach 1:
By forming the spin tube and housing as a single integrated component with no moving parts or assembly interfaces, the patent eliminates potential failure points from assembly operations. The monolithic structure ensures consistent performance over time without degradation from assembly-related issues.
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 unitary structure simplifies manufacturing, reduces costs, and enhances performance by ensuring seamless integration and efficient separation of fluid and debris without the complexity of traditional assembly methods.
Implementation Method 1
a spin or inertial filter may separate one material from another by controlling flow characteristics as the materials move through the filter
Data Source
AI summary
A filter assembly and method include a body having first second surfaces defining a cavity between the surfaces. A conduit system is disposed within the cavity. The conduit system includes an inlet disposed at the first surface and receives a fluid mixture comprising a fluid and debris. The conduit system is shaped to separate a first portion of the fluid and a mixture of a second portion of the fluid and the debris. The conduit system includes a first outlet disposed at a position within the cavity and a second outlet disposed at the second surface of the body. The conduit system directs the mixture of the second portion of the fluid and the debris out of the conduit system and into the cavity of the body via the first outlet, and directs the first portion of the fluid out of the conduit system via the second outlet.