Magnetic paper element filter
A filter and paper core technology, applied in the field of filters, can solve the problems of magnetic impurities that are difficult to filter out by paper cores, affect the service life of filter cores, and damage paper cores, so as to prolong the service life, reasonable structural design, and avoid damage effect
Inactive Publication Date: 2015-11-11
BENGBU FENGCHI FILTER
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Problems solved by technology
[0003] Among the impurities in the engine oil, there are many magnetic impurities. During the filtration process, on the one hand, the magnetic impurities are difficult to be filtered out by the paper core;
Method used
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[0019] like figure 1 and 2 as shown, figure 1 It is a structural schematic diagram of a magnetic paper core filter proposed by the present invention, figure 2 for figure 1 Schematic diagram of the structure of the outer filter cartridge of the magnetic paper core filter.
[0020] refer to figure 1 and 2 , a kind of magnetic paper core filter that the present invention proposes, comprises: casing 1, compression spring 2, upper platen 3, inner filter cartridge 4, filter paper 5, outer filter cartridge 6, check valve 7;
[0021] There is a cavity inside the housing 1, the side wall of the cavity is provided with a metal shielding layer, the bottom of the cavity has an opening, and the opening is provided with a bottom cover 11 that is sealed and matched with the opening, and the bottom cover 11 is provided with a liquid inlet and a liquid outlet, the side wall of the cavity is provided with a first spiral groove extending from the side wall of the cavity;
[0022] The com...
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The invention discloses a magnetic paper element filter. Engine oil enters the portion between a shell and an outer filter cylinder from an oil inlet first and spirally flows along a first channel, and magnetic impurities in the engine oil are adsorbed to the outer wall of a first cylinder part of the outer filter cylinder in the flowing process; then, the engine oil enters filter paper through first filter holes in a second cylinder part on the upper portion of the outer filter cylinder for filtering; the engine oil fine filtered through the filter paper flows in a second channel in the middle of an inner filter cylinder from second filter holes in the inner filter cylinder, and finally, the filtered engine oil flows out from a liquid outlet. The magnetic impurities contained in the engine oil can be effectively filtered before the engine oil makes contact with the filter paper, and the filtering effect of the engine oil is guaranteed. Meanwhile, damage to the filter paper by the magnetic impurities is avoided. The magnetic paper element filter is reasonable in structural design, the shell and the outer filter cylinder are designed in a matched mode, damage to the filter paper by the magnetic impurities is avoided while the filtering effect of the engine oil is guaranteed, and the service life of the filter is prolonged.
Description
technical field [0001] The invention relates to the technical field of filters, in particular to a magnetic paper core filter. Background technique [0002] The various systems of high-speed internal combustion and electric locomotives need to be cooled with a large amount of clean air. Inhalation of air with dust and sand will seriously aggravate the wear of the moving parts of the locomotive and electrical switch contacts, reduce the insulation of electrical components, and thereby reduce the service life of the internal combustion engine. Therefore, during the operation of the engine, it is necessary to filter the impurities in the oil through the filter to avoid damage to the internal structure of the engine. [0003] Among the impurities in the engine oil, there are many magnetic impurities. During the filtration process, on the one hand, the magnetic impurities are difficult to be filtered out by the paper core; . Contents of the invention [0004] In order to sol...
Claims
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IPC IPC(8): F01M11/03
Inventor 薛卉慧
Owner BENGBU FENGCHI FILTER