Pyramidal Frustum Gas Turbine Filter with Planar Elements
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Solution Overview
Problem
Current filtration technologies, such as mini-pleat filters and pulse cartridges, face limitations in media surface area and manufacturing complexity, leading to inefficiencies in filtering fluids for devices like gas turbines.
Innovation Solution
A filtration apparatus with a pyramidal frustum configuration, featuring at least three planar filter elements and a frame structure that supports these elements, allowing for increased media thickness and improved dust holding capacity, while reducing pressure drop and manufacturing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If mini-pleat filters are used to increase media surface area, then filtering capacity is improved, but manufacturing complexity increases and media depth is limited
Solution Approach 1:
The patent transitions from two-dimensional pleated filter media to three-dimensional planar filter elements arranged in a pyramidal frustum configuration. This dimensional change allows increased media surface area without the manufacturing complexity of pleating, as planar elements can be easily manufactured and assembled into the pyramidal structure with multiple sides providing extensive filtering surface area.
Solution Approach 2:
The filter is divided into multiple planar filter elements arranged on different sides of the pyramidal frustum structure. Each side contains filter elements that can be independently manufactured and assembled, simplifying production while achieving total media surface area comparable to or exceeding pleated filters.
2Quantity of substance
If pulse cartridges are used to increase media surface area, then filtering capacity is improved, but pressure drop increases and manufacturing complexity increases
Solution Approach 1:
The pyramidal frustum geometry distributes the media surface area across multiple inclined surfaces rather than concentrating it in a single cylindrical cartridge. This spatial distribution reduces flow resistance and pressure drop while maintaining high filtering capacity, as fluid can access multiple filter surfaces simultaneously.
3Quantity of substance
If increased media depth is used to increase dust holding capacity, then filtering capacity is improved, but pleating ability is limited
Solution Approach 1:
The patent achieves increased dust holding capacity by extending media surface area across three-dimensional pyramidal surfaces rather than increasing media depth in a single direction. Planar filter elements with extended surface area provide greater dust storage volume without requiring deep pleated structures, thereby maintaining manufacturing ease.
4Quantity of substance
If pyramidal frustum configuration is used to increase media surface area, then dust holding capacity is improved, but manufacturing complexity may increase
Solution Approach 1:
The pyramidal frustum structure is segmented into multiple flat sides, each containing planar filter elements. This segmentation allows each side to be manufactured and assembled independently, reducing overall structural complexity. The modular design enables straightforward construction from simple geometric components.
Solution Approach 2:
While the overall structure is three-dimensional, each individual filter element remains two-dimensional and planar, maintaining manufacturing simplicity. The pyramidal configuration achieves increased surface area through spatial arrangement rather than complex element geometry.
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 pyramidal frustum configuration enables higher dust holding capacity and longer filter element life, with reduced pressure loss and improved efficiency in filtering fluids, enhancing the performance of gas turbines and other devices.
Implementation Method 1
filter elements may be used to provide clean fluid, such as air, to or from various devices
Data Source
AI summary
A filtration apparatus includes at least three filter elements for filtering fluid, and a frame having a pyramidal frustum configuration that has at least three sides. The frame includes a frame structure for supporting the filter elements at the sides such that the filtration apparatus has a pyramidal frustum configuration. The filtration apparatus may be part of a filtration assembly. The filtration apparatus may be utilized within an associated method.