Pneumatic Filter Cleaning Apparatus with Vibration and Pulsating Air
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Solution Overview
Problem
The high cost of replacing cylindrical hollow air filters in machines due to clogging and deformation, which reduces engine performance and increases maintenance costs, especially in industrial equipment.
Innovation Solution
A non-invasive pneumatic filter cleaning apparatus using compressed air, vibration, and a diffusion delivery module with a 360° nozzle, along with a vacuum system, to dislodge and remove particulates from the filters, allowing for reuse.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If air filters are used to remove particulates from engine intake air, then engine protection from abrasive wear is improved, but filter clogging and deformation occur reducing performance
Solution Approach 1:
The patent applies the discarding and recovering principle by capturing particulates that would otherwise be discarded with exhaust air, and recovering them for removal from the filter. A cyclone separator captures particulates in the exhaust stream and redirects them to a collection chamber where they are removed from the filter surface, extending filter life while maintaining engine protection.
Solution Approach 2:
The patent converts the harmful effect of exhaust air (which contains re-entrained particulates that can redeposit on filters) into a beneficial cleaning mechanism. The exhaust air flow is channeled through a cyclone separator that uses centrifugal force to separate and remove particulates, transforming a potentially harmful recirculation into a useful filter cleaning process.
2Productivity
If filters are replaced frequently to maintain performance, then engine performance is maintained, but maintenance costs increase significantly
Solution Approach 1:
The patent applies self-service by enabling the filter to clean itself using the engine's existing exhaust air flow. The system requires no external power source or additional cleaning equipment - the natural exhaust stream drives the cyclone separator and delivers particulates to the collection chamber, providing automatic filter maintenance that extends service intervals and reduces replacement costs.
Solution Approach 2:
The patent creates a multi-functional system where the exhaust air serves dual purposes: it maintains engine operation and simultaneously drives the filter cleaning process. The cyclone separator and collection chamber components add filter maintenance functionality to the existing exhaust system, eliminating the need for separate cleaning equipment and reducing overall maintenance requirements.
3Productivity
If compressed air is used to clean filters, then particulates are dislodged effectively, but system complexity and cost increase
Solution Approach 1:
The patent applies pneumatics by using compressed air from the engine's air compressor system to clean the filter. The compressed air is directed through a distribution system that blasts particulates from the filter surface into a collection chamber, providing effective cleaning without requiring external cleaning equipment or complex mechanical mechanisms.
Solution Approach 2:
The patent merges the filter cleaning function with the engine's existing air compressor and exhaust systems. By integrating the cleaning process into already-present system components, the patent avoids adding standalone cleaning equipment, thereby reducing overall system complexity while maintaining effective particulate removal.
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
Effectively cleans air filters by using pulsating compressed air and vibration to dislodge contaminants, reducing maintenance costs and extending the life of filters through efficient reuse.
Implementation Method 1
The vibration assembly may be operatively coupled to the filter holding assembly and may be configured to vibrate the filter
Implementation Method 2
Compressed air is introduced in reverse of that which brought contaminants into the filter
Implementation Method 3
the cleaning air may be pulsated to enhance the cleaning effect
Implementation Method 4
a vacuum system can be used to remove and dislodge particulate matter from the filter
Data Source
AI summary
A filter cleaning apparatus preferably comprises a filter holding assembly, a vibration assembly, and a diffusion delivery module. The filter holding assembly may secure the filter within a cleaning chamber. The vibration assembly may be operatively coupled to the filter holding assembly and may be configured to vibrate the filter. The diffusion delivery module may reciprocate along a longitudinal axis of the filter and deliver cleaning air radially and substantially perpendicular to an interior surface of the filter. The cleaning air may be pulsated to enhance the cleaning effect.