CN101545388A - Magnetic filter for engine - Google Patents

Magnetic filter for engine Download PDF

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Publication number
CN101545388A
CN101545388A CN200810084204A CN200810084204A CN101545388A CN 101545388 A CN101545388 A CN 101545388A CN 200810084204 A CN200810084204 A CN 200810084204A CN 200810084204 A CN200810084204 A CN 200810084204A CN 101545388 A CN101545388 A CN 101545388A
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China
Prior art keywords
magnet
magnetic field
field shielding
filter
engine
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CN200810084204A
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Chinese (zh)
Inventor
郝保学
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SIPING DAJI MAGNETIC FILTER CO Ltd
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SIPING DAJI MAGNETIC FILTER CO Ltd
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Priority to CN200810084204A priority Critical patent/CN101545388A/en
Publication of CN101545388A publication Critical patent/CN101545388A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a magnetic filter for an engine, which belongs to the field of engine filters. The magnetic filter comprises an existing engine oil or fuel filter and is characterized in that the surface of a shell of the filter is provided with at least one inwards-concave magnet fixing pit, a magnet is arranged in the fixing pit, and the outer surface of the magnet is coated with a magnetic field shielding protective layer. The magnetic filter has the following advantages: when the engine works and when engine oil in the engine flows through the magnetic filter under the action of an oil pump, ferromagnetic impurities doped in an oil body can be adsorbed by the magnet on the filter so as to avoid the abrasion to the engine caused by the ferromagnetic impurities, thus the power of the engine is improved relatively, the noise is reduced, the oil consumption is reduced, the service life and the service cycles of the engine and a paper filter element of the engine are prolonged, the mounting is convenient and firm, the production process is simple without magnetic field shielding, the magnetic field leakage can be prevented, other equipment is not interfered, the magnet and the magnetic field shielding layer can be used repeatedly, and the cost can be reduced.

Description

Magnetic filter for engine
Technical field:
The invention belongs to the engine filter field, impurity, the especially magnetic filter for engine of ferromagnetism impurity in particularly a kind of better filtering machine oil or the fuel oil.
Background technique:
Present known motor, motive position just has friction during its work, friction just has tiny irony abrasive dust to produce and is entrained in the machine oil, the irony abrasive dust is along with oil circulation can be brought wearing and tearing to other parts again, permanent like this, wearing and tearing will change original design parameter of motor, and engine noise increasing, oil consumption increasing, power are descended, and shorten the working life of motor and the life cycle of machine oil simultaneously.For fear of irony abrasive dust and other impurity to engine scuffing, in existing motor, usually all use the papery filter cleaner that machine oil is carried out continuous circulating filtration, to keep the machine oil cleaning, improve lubricating quality, but, that is to say that its micropore is more little because the papery filter core is to remove to tackle impurity screening by its micropore that gathers all over the body, filtering effect is just good more, and the oil flow rate passing capacity is just poor more.For reaching best filtering effect, to guarantee that also the sufficient stream of oil flow rate passes through.Detect institute according to national internal-combustion engine, adopt international standards ISO4548 " internal-combustion engine full-flow oil filter test method " to present oil filter, filtering efficiency carries out test shows, present papery filter core can only be designed into the ability of 60% impurity in the filtering machine oil, 40% impurity can not be by effective filtering in addition in actual use, wherein the irony abrasive dust is more, because the irony abrasive dust is tiny relatively, the irony abrasive dust has just formed abrasive material at the surface of friction pair of motor like this, causes more grievous injury to motor.And in existing fuel oil, because the repeatedly conversion of pipeline and container in the transportation process, many ferromagnetism impurity are blended in the fuel oil, ferromagnetism impurity can quicken the wearing and tearing and the obstruction of fuel pump and oil nozzle, cause the decline of oil spout quality, atomization badness, burning clean, reduce power, strengthen oil consumption, strengthen noise, damage engine components such as distribution device, cylinder sleeve, piston ring, as the well filtering from fuel oil of ferromagnetism impurity can not being caused damage to motor equally.For avoiding ferromagnetism impurity that motor is caused damage, also the someone invented and designed multiple magnetic filter in the past, as CN2639532Y and the disclosed technological scheme of CN01234155 Chinese patent and external several magnetic filters, they make watt shape or part-annular to magnet to be adsorbed on the iron-clad outside of paper filter element or magnet is made ring-type, be set in the oil inlet hole or the oil outlet place of filter, though also played certain Magnetic filtration device effect, but its shortcoming is: magnet is adsorbed on paper filter element iron-clad outside, magnet has only one side to contact the iron-clad of paper filter element, the magnetic field utilization ratio is low, absorption ferromagnetism impurity weak effect, and be subject to external force and come off.Magnet ring is set in the oil inlet hole of filter or oil outlet place, owing to taken the inner space of filter, magnet can not be designed into effective size, so magnetic field is little, can not reach good magnetization filtering effect, also easily stop up filter cleaner, and when changing the papery filter core at every turn magnet also together lost, be not only waste like this, also bring pollution to environment.
Summary of the invention:
The objective of the invention is in order to solve in available engine, machine oil or fuel filter be the shortcoming of ferromagnetism impurity in its oil body of filtering thoroughly, invented a kind of magnetic filter for engine, this magnetic filter is to utilize to be arranged on the magnet in the pit on machine oil or the fuel filter shell, in conjunction with existing intercept type machine oil or fuel filter, ferromagnetism impurity in thorough filtering machine oil or the fuel oil, avoid of the wearing and tearing of ferromagnetism impurity to motor, prolong the working life of motor, the life cycle that can prolong papery filter core and machine oil simultaneously, reduce oil consumption, reduce engine noise.And need not change existing motor and just can install and use, easy for installation, firm, magnet and magnetic field shielding protective coating can use repeatedly, can reduce the repetition buying expenses.
The present invention adopts following technological scheme to realize: it comprises existing machine oil or fuel filter, it is characterized in that: on the surface of existing machine oil or fuel filter shell, be preset with the fixing hole of at least one magnet that caves inward, be provided with magnet in the fixing hole, magnet and magnet fixedly hole can be any known form of coincideing mutually, and magnet is covered with the magnetic field shielding layer in appearance.
Described this kind magnetic filter for engine, dismounting magnet and magnetic field shielding layer on a side outer edge in the fixing hole of magnet, can also be provided with an instrument port that extends to the fixing hole of magnet inner bottom part for convenience.
Described, the magnetic field shielding layer that covers in appearance at magnet, be ferromagnetism magnetic field shielding layer, for fear of magnetic field shielding layer wearing and tearing magnet and filter cleaner appearance, can be provided with protective coating on the magnetic field shielding layer, protective coating can be packaged in the magnetic field shielding layer in appearance, or card is attached to a side and magnetic field shielding layer composition magnetic field shielding protective coating that the magnetic field shielding layer needs protection, the area of magnetic field shielding protective coating is greater than magnet and exposes the area of cheating exterior portion fixing, is beneficial to better shielding magnetic field; The shape of magnetic field shielding protective coating can be designed as tile course, annular, chain or other any known form of coincideing mutually with the appearance of magnet exposed section and filter cleaner outer surface, and every magnetic field shielding protective coating should cover a magnet at least; , when the magnetic field shielding protective coating is designed to annular or chain, to be provided with opening therebetween in annular or chain magnetic field shielding protective coating one end, so that be set on the filter housing, and cover above the magnet.
Described, bag on the magnetic field shielding layer is if the attached protective coating of card, should first-selectedly adopt oil resistant, resistant to elevated temperatures butyronitrile rubber and plastic or other oil resistant, heat-resisting soft material to make, be beneficial to only adopt a kind of magnetic field shielding protective coating of size, just can be suitable with the filter cleaner of multiple size, can reduce the mould manufacturing expense.
Described, face mutually on the side surface with magnet at the magnetic field shielding protective coating and can also be provided with pit, the segment magnet that pit will expose in outside, the fixing hole of magnet holds in the pit, make the magnetic field shielding protective coating around can connect airtight it with the filter cleaner appearance.
Described, fixing between the fixing hole of magnetic field shielding protective coating and magnet and magnet should preferably rely on the magnetic force absorption of magnet to fix, and also can adopt the method that adds elastic device on magnet, magnetic field shielding protective coating to fix; Wherein, fixing between magnetic field shielding protective coating and the magnet can also be adopted kayser to be set on the magnetic field shielding protective coating or to utilize gluing mode to fix.
Described, add the elastic device that is located on magnet, the magnetic field shielding protective coating, should preferably press if be located on the magnetic field shielding protective coating.
Described, the filler opening end of filter cleaner should first-selected be closed in the position in the fixing hole of magnet, and be distributed on filter housing around, the degree of depth in the fixing hole of magnet is not to influence paper filter element assembling and foot stream circulation oil body by being as the criterion; The prefabricated process in the fixing hole of magnet should be finished in the first-selected filter housing production procedure before unassembled paper filter element.
Described, in use, be arranged on magnet and magnetic field shielding protective coating on the filter cleaner, can use repeatedly, to reduce user's repetition buying expenses, be preset with the paper (-element) filter in the fixing hole of magnet, should be according to actual usage requirement periodic replacement.
Described, convenient for the dismounting filter cleaner, outside at the bottom of filter housing can be provided with the nut shape instrument rib of projection, its instrument rib can be directly to utilize mechanical precompressed to come out on filter case, also can in addition prefabricated nut shape instrument rib be riveted or is welded on the filter case; For easy to use, can also in nut shape instrument rib, communicate with the outside, be provided with the tooling hole of shapes such as interior triangle, four jiaos or hexagonal.
During installation, a kind of method is that magnet is adsorbed in the fixing hole of the in advance prefabricated in appearance magnet of filter cleaner, the magnetic field shielding protective coating is covered on the filter housing of magnet and periphery thereof again; Another kind method is to utilize magnet gluing or be fixed on the magnetic field shielding protective coating in the mode of kayser, magnet and magnetic field shielding protective coating together is adsorbed on the fixing hole of magnet again.
Good effect of the present invention is: certain degree of depth is being fixed magnet because the fixing hole of magnet caves inward, so magnet can be because of not moved by external force or coming off, and the fixing hole of magnet is to the filter cleaner sunken inside, so the magnetic field around the magnet has also obtained good utilization, it has effectively increased magnetic field and has utilized area, has improved the Magnetic filtration device effect; Attenuation so also reduced the shielding of filter housing to magnetic field, more helps magnetic field penetration to filter cleaner inside because the sidewall in the fixing hole of magnet stretches because of caving inward again, utilizes intensity to increase magnetic field; The degree of depth in the fixing hole of magnet, can set according to actual needs, and the magnet in the embedding hole, can some protrude from fixing hole appearance certain altitude, the volume size of magnet is not limited by can the inner space of filter cleaner like this, magnet can be designed into effective size, and the oil stream that does not influence filter cleaner inside passes through; On the sidewall of the fixing hole of magnet, be provided with the instrument opening, the magnet installing/dismounting is all made things convenient for; During use, this flow through under the effect at oil pump when machine oil or fuel oil when having the filter cleaner of magnet, the ferromagnetism impurity that mixes in the oil body all can be adsorbed by magnet, thereby of the wearing and tearing of ferromagnetism impurity have been avoided to motor, magnetic field energy magnetizes oil body simultaneously, activates the oil body interior molecules, has avoided the side chain of cycloalkane to form, make machine oil delay oxidation, make oil inflame more abundant.Permanent this magnetic filter for engine that uses can guarantee that the original design parameter of motor is constant, improves the life cycle of engine power, reduction noise, minimizing oil consumption, the working life that has prolonged motor and machine oil and paper filter element relatively; And easy for installation firmly Total tune is attractive in appearance, and is provided with magnetic field shielding, can prevent that magnetic field from leaking, and does not disturb miscellaneous equipment; Magnet and magnetic field shielding layer can use repeatedly, can the reduction expense.
In addition, according to Russian Siberia road traffic route designing institute, a kind of magnetic diesel-oil filter of design and the supporting use of precipitator of diesel engine, the result shows, when diesel stream during through magnetic filter, magnet has very strong flux interaction to fuel oil, magnet can not only be caught ferromagnetism contaminant particles whole in the fuel oil, and can catch the nonferromagnetic impurity of lightweight, because nonferromagnetic impurity can stick under the effect of magnetic flux and molecular force ferromagnetism impurity around, and and ferromagnetism impurity adsorbed on magnet by magnet together.In addition, under the effect of magnet magnetic flux, small dispersion impurity can form condensation product, is deposited in the dust collecting cup.According to Russian Siberia road traffic route designing institute on the KamA35320 automobile in the service test, with all dirt that settles down in the control of dust collecting bowl with membrane filtration and dry weighing, after finding to add the magnetic filter core in the precipitator, the impurity that precipitator is caught does not increase by 41% when not adding the magnetic filter core, (wherein also not containing that part of ferromagnetism impurity that adsorbs on the magnet).This section is selected from, the 153rd page of " IC engine cleaner " book that Chinese ic engine industry filter cleaner branch of association and China Association for Automobile Manufacturers Vehicular cleaner ATSC Advanced Television Systems Committee are published.Therefore can illustrate that small dispersion impurity can form condensation product under magnetic flux and molecular force effect, can be better by the filtering of paper filter element institute.And condensation product and small dispersion impurity stops up the life-span to paper filter element, and small dispersion impurity will shift to an earlier date obstruction with condensation product far away to the obstruction of paper filter element, because the slit between the small dispersion impurity is less than the slit between the condensation product.
Description of drawings:
Fig. 1 is a structure sectional view of the present invention.
Fig. 2 is toroidal magnetic field shielding protection layer and the magnet plan structure sectional view that is equipped with elastic device.
Fig. 3 is the magnetic field shielding protective coating plan structure sectional view of chain.
Fig. 4 is the face upwarding assumption diagram of 3 nut shape instrument ribs among Fig. 1.
Among the figure, 1. filter housing, 2. magnetic field shielding protective coating, 3. nut shape instrument rib, the 4. fixing hole of magnet, 5. magnet, 6. magnetic field shielding layer, 7. protective coating, 8. elastic device, 9. pintle, 10. in hexagon instrument rib endoporus.
Embodiment:
On the filter housing in Fig. 1 (1), be shaped on the fixing holes of four rectangular magnet that cave inward (4) in advance, the prefabricated process in the fixing hole of magnet (4) should not finished before paper filter element is installed, the position in the fixing hole of magnet (4), should first-selected close on the filler opening end of filter cleaner, and be evenly distributed in filter housing (1) around on, the degree of depth in the fixing hole of magnet (4) is not to influence paper filter element assembling and enough oil stream by being as the criterion, in the fixing hole of magnet (4), absorption is provided with the rectangular magnet piece (5) that matches with it, magnet piece (5) in appearance, be coated with fixing with glue, by ferromagnetism magnetic field shielding layer (6) be packaged in the magnetic field shielding protective coating (2) that its apparent butyronitrile rubber and plastic watt shape protective coating (7) is formed, the area of magnetic field shielding layer (6) therebetween, expose at the fixing part area of cheating (4) outside of magnet greater than magnet piece (5), on the inboard of magnetic field shielding protective coating (2), with magnet mutually Lin Chu be provided with pit, this pit exposes magnet piece (5) in the part of outside, the fixing hole of magnet (4) and holds in the pit, and what make magnetic field shielding protective coating (2) connects airtight it with filter housing (1) all around.For the ease of this kind of dismounting filter cleaner on motor, be welded with the nut shape instrument rib (3) of projection in the bottom of filter housing (1) in addition.
Fig. 2 is toroidal magnetic field shielding protection layer and the magnet plan structure sectional view that is equipped with elastic device, it is for the use design that replaces magnet and magnetic field shielding protective coating among Fig. 1, among the figure magnet (5), the magnetic field shielding layer (6) with as shown in fig. 1, magnet and magnetic field shielding protective coating that protective coating (7) is formed, the elastic device (8) that utilizes an end to be provided with opening is worn and is connected together, magnet and magnetic field shielding protective coating can move freely on the cyclic spring device, are installed on the filter cleaner of different size being fit to.During use, with this toroidal magnetic field shielding protection layer and magnet that is equipped with elastic device, be set on the filter cleaner that is provided with the fixing hole of magnet and get final product, its good effect is easy for installation, firm, Total tune.
Fig. 3 is the magnetic field shielding protective coating plan structure sectional view of chain, it also is for the use design that replaces magnet and magnetic field shielding protective coating among Fig. 1, it among the figure magnetic field shielding layer (6) with as shown in fig. 1, the magnetic field shielding protective coating that protective coating (7) is formed, utilize pintle (9) as the chain structure, the magnetic field shielding protective coating is linked together, during use, the magnetic field shielding protective coating of this chain is set on magnet, the fixing hole of magnet and the filter cleaner gets final product, its good effect is easy for installation, Total tune.
Fig. 4 is the face upwarding assumption diagram of 3 nut shape instrument ribs among Fig. 1, among the figure, in nut shape instrument rib, is provided with the interior hexagon instrument rib endoporus (10) that communicates with the outside.

Claims (9)

1, a kind of magnetic filter for engine, it comprises existing machine oil or fuel filter, it is characterized in that: on the surface of existing machine oil or fuel filter shell, be preset with the fixing hole of at least one magnet that caves inward, be provided with magnet in the fixing hole, magnet and magnet fixedly hole can be any known form of coincideing mutually, and magnet is covered with the magnetic field shielding layer in appearance.
2, a kind of magnetic filter for engine according to claim 1 is characterized in that: on a side outer edge in the fixing hole of magnet, be provided with an instrument port that extends to the fixing hole of magnet inner bottom part.
3, a kind of magnetic filter for engine according to claim 1, it is characterized in that: the magnetic field shielding layer that covers in appearance at magnet, be ferromagnetism magnetic field shielding layer, on the magnetic field shielding layer, be provided with protective coating, protective coating can be packaged in the magnetic field shielding layer in appearance, or card is attached to the side that the magnetic field shielding layer needs protection and forms the magnetic field shielding protective coating with the magnetic field shielding layer, and the area of magnetic field shielding protective coating is greater than magnet and exposes the area of cheating exterior portion fixing; The shape of magnetic field shielding protective coating can be designed as tile course, annular, chain or other any known form of coincideing mutually with the appearance of magnet exposed section and filter cleaner outer surface, and every magnetic field shielding protective coating covers a magnet at least; , when the magnetic field shielding protective coating is designed to annular or chain, to be provided with opening therebetween in annular or chain magnetic field shielding protective coating one end, so that be set on the filter housing, and cover above the magnet.
4, according to claim 1,2 or 3 described a kind of magnetic filter for engine, it is characterized in that: face mutually with magnet at magnetic field shielding layer or magnetic field shielding protective coating and be provided with pit on the side surface, the segment magnet that pit will expose in outside, the fixing hole of magnet holds in the pit, and what make the magnetic field shielding protective coating can connect airtight it with the filter cleaner appearance all around.
5, according to claim 1,2,3 or 4 described a kind of magnetic filter for engine, it is characterized in that: fixing between the fixing hole of magnetic field shielding protective coating and magnet and magnet, should preferably rely on the magnetic force absorption of magnet self to fix, or adopt the method that on magnet, magnetic field shielding protective coating, adds elastic device to fix; Wherein, fixing between magnetic field shielding protective coating and the magnet can be adopted kayser to be set on the magnetic field shielding protective coating or to utilize gluing mode to fix.
6 a kind of magnetic filter for engine according to claim 5 is characterized in that: add the elastic device that is located on magnet, the magnetic field shielding protective coating, should preferably press if be located on the magnetic field shielding protective coating.
7, according to claim 1,2,3 or 4 described a kind of magnetic filter for engine, it is characterized in that: the position in the fixing hole of magnet, should first-selected close on the filler opening end of filter cleaner, and be distributed on filter housing around, the degree of depth in the fixing hole of magnet is not to influence paper filter element assembling and foot stream oil body by being as the criterion.
8, according to claim 1,2,3 or 4 described a kind of magnetic filter for engine, it is characterized in that: magnet, magnet screen layer and soft buffer protection layer, can use repeatedly; Be preset with the paper (-element) filter in the fixing hole of magnet, should be according to actual usage requirement, periodic replacement.
9, according to claim 1,2,3 or 4 described a kind of magnetic filter for engine, it is characterized in that; Outside at the bottom of filter housing is provided with protruding nut shape instrument rib.
CN200810084204A 2008-03-26 2008-03-26 Magnetic filter for engine Pending CN101545388A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225361A (en) * 2011-04-19 2011-10-26 宁波市镇海西门专利技术开发有限公司 Magnetic filter element
CN105019976A (en) * 2014-04-22 2015-11-04 格力电器(合肥)有限公司 Auxiliary filter element filtering device, engine oil filtering device and fuel forklift
CN105065157A (en) * 2015-09-01 2015-11-18 上海盈智汽车零部件有限公司 Fuel pump assembly capable of absorbing impurities containing iron
CN105484824A (en) * 2015-11-26 2016-04-13 蚌埠市风驰滤清器有限公司 Oil fluid filter with magnetic adsorption mechanism
CN110895161A (en) * 2019-12-03 2020-03-20 福建工程学院 Oil consumption instrument device for automobile

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225361A (en) * 2011-04-19 2011-10-26 宁波市镇海西门专利技术开发有限公司 Magnetic filter element
CN105019976A (en) * 2014-04-22 2015-11-04 格力电器(合肥)有限公司 Auxiliary filter element filtering device, engine oil filtering device and fuel forklift
CN105065157A (en) * 2015-09-01 2015-11-18 上海盈智汽车零部件有限公司 Fuel pump assembly capable of absorbing impurities containing iron
CN105484824A (en) * 2015-11-26 2016-04-13 蚌埠市风驰滤清器有限公司 Oil fluid filter with magnetic adsorption mechanism
CN105484824B (en) * 2015-11-26 2018-05-04 蚌埠市风驰滤清器有限公司 A kind of oil filter device equipped with magnetic absorption mechanism
CN110895161A (en) * 2019-12-03 2020-03-20 福建工程学院 Oil consumption instrument device for automobile

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Open date: 20090930