Magnetic Filter Device for Ferromagnetic Particle Separation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing filter devices for fluids, particularly in machine systems with lubricating and cooling circuits, face challenges in efficiently removing ferromagnetic impurities due to high maintenance requirements and interference with filtration processes, as they often require unscrewing and manual removal of magnetic rods for particle discharge.
Innovation Solution
The filter device design features a magnetic field-generating device with a shell that extends outside the filter element, intercepting particles at the inlet before they reach the filter, allowing for easy removal of particles by rinsing and reducing maintenance, with the magnetic field separated from the filter element to prevent filtration impairment and facilitate filter element replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the magnetic field-generating device is integrated into the filter element, then particle separation is achieved, but the replacement of filter elements is made difficult and filtration is impaired
Solution Approach 1:
The device is divided into two independent parts: the filter element and the magnetic field-generating device. The magnetic field-generating device is housed in a separate housing that extends into the non-filtrate space, allowing it to be removed independently without disturbing the filter element. This segmentation enables easy filter element replacement while maintaining particle separation functionality.
Solution Approach 2:
The magnetic field-generating device is extracted from the filter element structure and placed in a separate housing. This extraction allows the magnetic rod to be removed independently for particle discharge without affecting the filter element, solving the problem of difficult filter replacement while maintaining particle separation capability.
2Reliability
If the magnetic rod is fixed inside the filter element, then particle accumulation is effective, but maintenance and particle discharge require disassembly and manual removal
Solution Approach 1:
The magnetic field-generating device is made movable rather than fixed. The housing containing the magnetic rod can be easily removed from the device housing, allowing particles to be discharged by simply pulling out the magnetic rod and rinsing it. This dynamic design eliminates the need for disassembly operations and simplifies maintenance significantly.
Solution Approach 2:
A separate housing structure acts as an intermediary between the magnetic rod and the filter element. This intermediate housing allows the magnetic rod to be accessed and removed independently, facilitating easy particle discharge without direct integration with the filter element structure.
3Reliability
If the shell of the magnetic field-generating device is placed inside the filter element, then ferromagnetic particles are intercepted, but the filtration process is impaired
Solution Approach 1:
The magnetic field-generating device is positioned in a different spatial dimension - extending into the non-filtrate space rather than being placed within the filter element's filtration path. This dimensional relocation allows ferromagnetic particles to be intercepted from the incoming fluid before they reach the filter medium, while leaving the filtration process uninterrupted.
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 reduces maintenance effort and ensures uninterrupted filtration by pre-separating magnetizable particles before they reach the filter element, allowing for easier handling and replacement of filter elements while maintaining efficient particle separation.
Implementation Method 1
a magnetic field-generating device with a shell that extends outside the filter element, intercepting particles at the inlet before they reach the filter
Implementation Method 2
which flows through the filter medium of the respective filter element from a filtrate space of the housing
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention relates to a filter device for fluids, comprising a housing (1) accommodating at least one filter element (5), which has an inlet (47) for the supply of fluid to be purified to a non-filtrate chamber (49) of the housing (1), which is separated from a filtrate chamber (46) of the housing (1) by the filter medium (33) of the respective filter element (5), having an outlet (42) for filtrate, and comprising a magnetic field-generating unit (57) arranged inside the non-filtrate chamber (49), which has an adhering surface (51) in the form of a sleeve for ferromagnetic particles attached thereto by means of a magnetic force effect. The invention is characterized in that in the non-filtrate chamber (49), the respective sleeve (51) extends outside of the respective filter element (5) parallel to the inlet (47) and transversely to the outlet (42), and that the non-filtrate chamber (49) at least partially encompasses the outlet (42) at the point of transition to the filtrate chamber (46).