Wound Filter Module With Incomplete Opening Registration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing filter modules are ineffective in providing a longer service life while maintaining acceptable pressure resistance, as the surface area provided by inlet channels often limits filter capacity and service life.
Innovation Solution
The filter module design features incomplete registration of openings between sheet material layers, increasing the surface area of inlet channels without significantly increasing pressure resistance, with a preferred overlap of 90% or less, and a higher number of inlet channels than outlet channels to maximize dirt capacity and service life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If the surface area of inlet channels is increased to enhance filter capacity and service life, then the pressure resistance increases significantly, but this compromises operational stability and efficiency
Solution Approach 1:
The patent applies local quality by creating incomplete registration of openings only in specific regions - the inlet channel regions - while maintaining complete registration in outlet channel regions. This localized approach increases surface area specifically where needed for filtration capacity without compromising the pressure resistance of the overall structure. The selective application of incomplete registration to inlet channels while keeping outlet channels intact resolves the contradiction between enhancing filter capacity and maintaining operational stability.
Solution Approach 2:
The patent implements partial action by applying incomplete registration of openings to only a portion of the total openings - specifically those forming inlet channels - rather than all openings uniformly. This partial application allows the system to gain the benefits of increased surface area and dirt capacity in the inlet regions without the excessive pressure resistance that would result from applying incomplete registration to the entire filter structure, including outlet channels.
2Quantity of substance
If the number of inlet channels is increased to maximize dirt capacity, then the surface area increases improving service life, but the pressure drop across the filter increases
Solution Approach 1:
The patent applies local quality by differentiating the treatment of inlet channel openings from outlet channel openings. Inlet channel openings undergo incomplete registration to increase surface area and dirt capacity, while outlet channel openings maintain complete registration to minimize pressure drop. This localized differentiation allows the system to increase dirt capacity through enhanced inlet surface area without proportionally increasing the pressure drop that would result from uniformly treating all channels.
3Productivity
If the openings of adjacent layers are made to incompletely register to increase surface area, then the filter capacity improves, but the structural integrity and pressure resistance deteriorate
Solution Approach 1:
The patent applies local quality by restricting incomplete registration to inlet channel regions where enhanced surface area benefits filter capacity, while maintaining complete registration in outlet channel regions where structural integrity is critical. This spatially differentiated approach allows the system to optimize filter capacity in inlet zones without compromising the overall structural strength needed to withstand operating pressures.
Solution Approach 2:
The patent implements partial action by applying incomplete registration only to a subset of openings - specifically those contributing to inlet channels - rather than uniformly to all openings. This partial application provides sufficient surface area enhancement for improved filter capacity while avoiding the excessive structural weakening that would result from applying incomplete registration to the entire multi-layer structure.
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 design significantly increases the surface area of inlet channels, enhancing the filter module's dirt capacity and service life while maintaining acceptable pressure resistance, allowing for efficient filtration without compromising operational stability.
Implementation Method 1
The sheet material is compressed by a compression force when wound around the winding axis to provide intimate contact of each of the layers to the adjacent layer(s)
Implementation Method 2
fluid to be filtered and entering one type of channels may reach the other type of channel and exit the filter module only by migrating through a portion of said body formed by the sheet material separating these different types of channels
Data Source
AI summary
A filter module comprises a body of wound layers of sheet material, said body having inner and outer peripheral surfaces and a winding axis and a passage extending along the winding axis and in fluid communication with the inner peripheral surface, the sheet material having openings forming two channel types extending from the inner to the outer peripheral surfaces, a first channel type open at the outer peripheral surface and closed adjacent to the inner peripheral surface, a second channel type open at the inner peripheral surface, in fluid communication with the passage and closed adjacent to the outer peripheral surface, the two channel types separated from each other by sheet material, one channel type communicating with a module port, the other channel type communicating with another module port, wherein a majority of openings forming the inlet channels incompletely register with corresponding openings of an adjacent layer.