CN103291413B - A kind of oil filter - Google Patents
A kind of oil filter Download PDFInfo
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- CN103291413B CN103291413B CN201310128340.8A CN201310128340A CN103291413B CN 103291413 B CN103291413 B CN 103291413B CN 201310128340 A CN201310128340 A CN 201310128340A CN 103291413 B CN103291413 B CN 103291413B
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Abstract
The present invention relates to a kind of oil filter. This purifier comprises shell, tubular element and by-pass valve it is provided with in shell, the opening place of shell is provided with thread plate, is provided with support spring between filter core and shell, and one end of filter core and thread plate are to connecing, the other end and support spring are to connecing, forming oil passageway between filter core and the sidewall of shell, thread plate is provided with the oil-in being connected with oil passageway, and the intermediate flow channel of filter core is connected with oil passageway, by-pass valve is arranged on the intermediate flow channel place of filter core, and by-pass valve is provided with return spring. The invention has the beneficial effects as follows: 1), arrange support spring in purifier, each component is under the force of a spring closely to connecing, and stopping property is good, and each parts are convenient to dismounting and are changed; 2), filter core lost efficacy time, by-pass valve overload pressure under open in time, machine oil is delivered to engine, ensure normal working of engine; 3), warning lamp become bright, officer learns breaks down, and can keep in repair in time.
Description
Technical field
The present invention relates to a kind of automobile component, especially relate to a kind of stopping property good, assemble oil filter simply and easily.
Background technology
The main effect of engine motor oil be maximum degree reduce each parts and in operational process, produce impurity because of friction, reduce energy waste and parts depreciation. Engine can produce the abrasion things such as a large amount of iron filings after long-time work, and these abrasion things can enter in machine oil, and therefore this part must recycle machine oil carries out filtering process, so that the machine oil that recycles after removal of contamination is reused. The machine oil that current motor car engine uses generally is filtered by purifier, its effect is the impurity such as the dust in removal machine oil, carbon precipitates and coal soot, especially the metallic particles such as iron filings, ensure with kinematic pairs such as the engine oil supplying bent axle of cleaning, connecting rod, camshaft, supercharging blower, piston ring, make machine oil play lubrication, cooling, cleanup action, thus extend the life-span of these component. So the performance of oil filter directly affects the performance and used life of engine, the normal operation of engine is played keying action.
The contaminant filters such as the dust in machine oil, iron filings are generally fallen by oil filter by the filter paper in its internal core; but after filter paper uses for some time; filter paper can be blocked by impurity; smooth and easy for ensureing fuel feeding; oil filter has all installed bypass valve arrangement mostly, and after filter paper is blocked, by-pass valve can be opened under oil pressure effect; allowing the machine oil of filtered directly flow to engine, therefore the key of engine in emergency circumstances protected by by-pass valve.
Being connected between the by-pass valve of current major part purifier and lid is all the mode adopting spot welding or riveting pressure, this kind of mode of connection needs special spot welding machine and riveting die and skilled operation workman, the bad product produced cannot be done over again, defective products rate height, as notification number is: a kind of oil filter being used on light-duty vehicle that the Chinese utility model patent of CN2065942U provides, it comprises band oil supply hole, the filter cover of outlet-port and the filter bowl housing connecting this filter cover and the filter core assembly being contained in housing, filter cover directly adopts with filter bowl housing and is threaded, filter cover is provided with the ring groove of dress sealing-ring, sealing-ring is compressed by convex edge on filter bowl housing. this patent adopts the mode of connection of spot welding, and after purifier internals damages, installation and the component more renewed are very inconvenient, and stopping property is poor.
Summary of the invention
The present invention's mainly installation existing for existing oil filter and change the problem of component inconvenience, stopping property difference, it is provided that a kind of assemble a kind of oil filter simple and convenient, that firm and reliable connection, stopping property are good.
The above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of oil filter, comprise the shell of one end open, tubular element and by-pass valve it is provided with in shell, the opening place of described shell is provided with the thread plate that the oil filter base with engine is connected, support spring it is provided with between filter core and shell, one end of filter core and thread plate are to connecing, the other end and support spring are to connecing, oil passageway is formed between filter core and the sidewall of shell, the oil-in that thread plate is provided with described oil passageway is connected, the intermediate flow channel of filter core is connected with oil passageway, by-pass valve is arranged on the intermediate flow channel place of filter core, by-pass valve is provided with return spring. the oil filter base of this oil filter and engine with the use of, oil filter base is connected with thread plate, machine oil enters purifier inside by oil pipe from oil-in, flow through oil passageway, and by the filtration of filter core, the contaminant filters such as the dust in machine oil, iron filings are fallen, flow of oil after filtration is through filter core intermediate flow channel, and in final ingress engine filter block, and then lubricate the kinematic pairs such as bent axle, connecting rod, camshaft, supercharging blower, piston ring, protection engine component. also being provided with the by-pass valve with provide protection in this oil filter, after filter core blocks, oil pressure will promote return spring so that by-pass valve is opened, and excessive machine oil flows directly in oil filter base, thus ensure that engine can obtain the sufficient lubrication of machine oil all the time. filter core is connected in shell by support spring, and under the reactive force of support spring, filter core can be pressed on thread plate all the time, and this cleaner structure is reliable and stable, and each parts are dismantled and upgraded simple and convenient.
As preferably, described filter core is provided with the connection bracket of tubular, the one end open of connection bracket, one end is closed, the sidewall of connection bracket is provided with ladder edge, the cross section of the sidewall of connection bracket is ladder shape, the lower end cover of filter core is connected to the ladder of connection bracket along upper, the blind end of connection bracket is provided with the connection hole of connecting bypass valve, the through connection bracket of by-pass valve and be that running fit is connected with connection bracket, one end of by-pass valve is resisted against on the blind end of connection bracket, the other end of by-pass valve is provided with cheicers, one end of described return spring and the blind end of connection bracket are to connecing, the other end of return spring is connected on described cheicers. the lower end cover of filter core is connected to the ladder of connection bracket along upper, under the reactive force of support spring, and connection bracket and filter core stable connection, the connection hole of connection bracket should be greater than the middle part of by-pass valve, and when filter paper blocking, when oil pressure is excessive, by-pass valve can move up and down along connection hole.
As preferably, one end of described support spring is resisted against ladder along upper, and the other end is resisted against on shell, shell is provided with the spacing ring that can hold support spring. Its position-limiting action of spacing ring, spacing ring is fitted in around support spring, prevents support spring from altering, and this cleaner structure is stablized.
As preferably, the opening place of described shell is provided with seal cover board, outer and the shell of seal cover board are fixed, the middle part of seal cover board was provided with hole, seal cover board is crossed the first wear ring, sealing groove and the 2nd wear ring that hole is outwards provided with concave downward successively and is formed certainly, first wear ring and the 2nd wear ring most advanced and sophisticated all with described thread plate to connecing, the bottom surface of sealing groove and thread plate are that multi-point welding is fixed, and the upper end cover of filter core and thread plate are to connecing. For preventing machine oil from flowing out between seal cover board and thread plate, thus the first wear ring, sealing groove and the 2nd wear ring it is provided with, first wear ring, sealing groove and the 2nd wear ring all with thread plate to connecing, form multiple seal point, multiple seal point not only increases the stopping property between seal cover board and thread plate, increase contact area therebetween simultaneously, connect Stability Analysis of Structures.
As preferably, the first described wear ring is formed around the center of seal cover board by " V " shape or " U " shape groove for one week, the 2nd wear ring is formed around the center of seal cover board by " V " shape or " U " shape groove for one week. " V " shape or " U " shape groove all have more sharp-pointed tip, the first wear ring and the 2nd wear ring most advanced and sophisticated all with thread plate to connecing, favorable sealing property.
As preferably, described sealing groove is formed around the center of seal cover board by side's groove for one week, is connected with sealing-ring in sealing groove, and sealing-ring is that snap-fit is connected with sealing groove. The bottom surface area of side's groove is relatively big, and side's groove bottom and thread plate are to connecing, and stable connection is reliable, good airproof performance. Can installing sealing-ring in side's groove, when machine oil is from purifier ingress engine filter block, sealing-ring can play and seal effect preferably, prevents leakage of oil simultaneously.
As preferably, the middle part of described thread plate extends to form connection section downwards, connection section is provided with the threaded hole of junctor filter block, elastic non-return valve block also it is provided with between thread plate and the upper end cover of filter core, non-return valve block comprises the ring portion of the band flange being set on connection section, the outer side wall of described flange is outward extended with the spring piece of arc, the thickness of spring piece reduces gradually, and the end of spring piece is resisted against on thread plate, the upper end cover of filter core is connected in ring portion, and upper end cover and flange laminating, described oil-in and spring piece align. Non-return valve block has elasticity, and aligns with oil-in, after machine oil flows into purifier from oil-in, preferential impact non-return valve block, under the surging force of machine oil, non-return valve block stretches, and opening occurs between non-return valve block and thread plate, and machine oil is entered in oil passageway by this opening. When machine oil stop supply time, non-return valve block under elastic recovery power again with thread plate to connecing so that oil-in and oil passageway separate, and can prevent the machine oil in purifier from refluxing.
As preferably, being provided with gasket between described connection bracket and the lower end cover of filter core, gasket is located at the ladder of connection bracket along upper. Increase gasket between connection bracket and the lower end cover of filter core, add stopping property therebetween, it is possible to prevent the obstructed filter paper of machine oil from filtering, flow directly between filter core in runner.
As preferably, this oil filter also comprises the pilot lamp and travel switch with warning function, pilot lamp is arranged on fascia, travel switch is fixed in the intermediate flow channel of filter core, the axial line of travel switch and by-pass valve is located along the same line, and travel switch is electrically connected with pilot lamp by circuit. after filter core blocks, by-pass valve is opened, the machine oil of filtered will be directly directly oil filter base fuel feeding by the opening place of by-pass valve, oil-containing dust in unfiltered machine oil, the impurity such as iron filings, the abrasion of easy boost engine parts, for ensureing the normal use of motor car engine, this oil filter should set up warning device, after filter element filtering lost efficacy, by-pass valve moves under the oil pressure effect of machine oil, by-pass valve moves and can touch travel switch, travel switch will send a signal to pilot lamp after responding to, pilot lamp becomes bright, officer learns that oil filter breaks down, can keep in repair in time, this alarm procedure can by automobile ECU control.
As preferably, the distance between travel switch to by-pass valve should be less than the maximum moving distance of by-pass valve. All the time can touching with travel switch for ensureing that by-pass valve moves, the distance between travel switch to by-pass valve should be less than the maximum moving distance of by-pass valve.
As preferably, being also filled with sealing member between described thread plate and seal cover board, described sealing member is arranged in the cavity between sealing groove and the 2nd wear ring. Be filled with a sealing between thread plate and seal cover board body, further increases the stopping property between two cover plates.
Therefore, the invention has the beneficial effects as follows: 1), arrange support spring in purifier, each component is under the force of a spring closely to connecing, and thus stopping property is good, and each parts are convenient to dismounting and are changed simultaneously; 2), filter core was when losing efficacy, and by-pass valve is opened in time machine oil is delivered to engine under the pressure of overload, ensure that engine operates normally; 3), adding warning device, after filter core lost efficacy, warning lamp becomes bright, and officer learns that oil filter breaks down, and can keep in repair in time.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of one-piece construction schematic diagram of the present invention;
Accompanying drawing 2 is the partial enlargement figure at A place in accompanying drawing 1;
Accompanying drawing 3 is that in the present invention, by-pass valve is connected structural representation with a kind of of connection bracket.
Shown in figure: 1-shell, 2-filter core, 3-by-pass valve, 4-thread plate, 5-support spring, 6-oil passageway, 7-oil-in, 8-intermediate flow channel, 9-return spring, 10-connection bracket, 11-connects hole, 12-cheicers, the spacing ring of 13-, 14-seal cover board, 15-crosses hole, 16-first wear ring, 17-sealing groove, 18-the 2nd wear ring, 19-sealing-ring, 20-connection section, 21-threaded hole, 22-non-return valve block, 23-ring portion, 24-flange, 25-spring piece, 26-gasket, 27-travel switch, 28-sealing member.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical scheme of the present invention is described in further detail.
Embodiment:
As shown in Figure of description 1, a kind of oil filter, comprise the shell 1 of one end open, seal cover board 14 and thread plate 4, tubular element 2 and by-pass valve 3 it is provided with in shell 1, from up to down it is followed successively by seal cover board 14, thread plate 4, filter core 2 and by-pass valve 3, seal cover board 14 is located at the opening place of shell 1, the outer of seal cover board 14 and shell 1 are fixed together by can sealing machine winding, thread plate 4 is positioned at below seal cover board 14, the middle part of thread plate 4 extends to form connection section 20 downwards, connection section 20 is provided with the threaded hole 21 of junctor filter block, the middle part of seal cover board 14 was provided with hole 15, the size crossing hole 15 is greater than the size of threaded hole 21, as shown in Figure of description 2, seal cover board 14 is crossed the first wear ring 16 that hole 15 is outwards provided with concave downward successively and is formed certainly, sealing groove 17 and the 2nd wear ring 18, first wear ring 16 is formed around the center of seal cover board 14 by " V " shape groove for one week, 2nd wear ring 18 is formed around the center of seal cover board 14 by " V " shape groove for one week, sealing groove 17 is formed around the center of seal cover board 14 by side's groove for one week, sealing-ring 19 it is connected with in sealing groove 17, sealing-ring 19 with sealing groove 17 for snap-fit is connected, first wear ring 16 and the 2nd wear ring 18 most advanced and sophisticated all with thread plate 4 to connecing, the bottom surface of sealing groove 17 and thread plate 4 are fixed for multi-point welding, sealing member 28 also it is filled with between thread plate 4 and seal cover board 14, sealing member 28 is arranged in the cavity between sealing groove 17 and the 2nd wear ring 18, the middle part of thread plate 4 extends to form connection section 20 downwards, connection section 20 is provided with the threaded hole 21 of junctor filter block, elastic non-return valve block 22 also it is provided with between the upper end cover of thread plate 4 and filter core 2, non-return valve block 22 comprises the ring portion 23 of the band flange 24 being set on connection section 20, the outer side wall of flange 24 is outward extended with the spring piece 25 of arc, the thickness of spring piece 25 reduces gradually, and the end of spring piece 25 is resisted against on thread plate 4, the upper end cover of filter core 2 is connected in ring portion 23, and upper end cover and flange 24 fit, ring portion 23, flange 24 and spring piece 25 are the integrative-structure being made up of elastomeric material, oil-in 7 and spring piece 25 align, as shown in Figure of description 3, filter core 2 is provided with the connection bracket 10 of tubular, the one end open of connection bracket 10, one end is closed, the sidewall of connection bracket 10 is provided with ladder edge, the cross section of the sidewall of connection bracket 10 is ladder shape, the lower end cover of filter core 2 is connected to the ladder of connection bracket 10 along upper, gasket 26 it is provided with between the lower end cover of connection bracket 10 and filter core 2, gasket 26 is located at the ladder of connection bracket 10 along upper, the blind end of connection bracket 10 is provided with the connection hole 11 of connecting bypass valve 3, the through connection bracket 10 of by-pass valve 3 and with connection bracket 10 for running fit is connected, one end of by-pass valve 3 is resisted against on the blind end of connection bracket 10, the other end of by-pass valve 3 is provided with cheicers 12, by-pass valve 3 is provided with return spring 9, one end of return spring 9 and the blind end of connection bracket 10 are to connecing, the other end of return spring 9 is connected on cheicers 12, support spring 5 it is provided with below filter core 2, one end of support spring 5 is resisted against ladder along upper, the other end is resisted against on shell 1, shell 1 is provided with the spacing ring 13 that can hold support spring 5, oil passageway 6 is formed between the sidewall of filter core 2 and shell 1, thread plate 4 is provided with the oil-in 7 being connected with oil passageway 6, the intermediate flow channel 8 of filter core 2 is connected with oil passageway 6, this oil filter also comprises the pilot lamp with warning function and travel switch 27, pilot lamp is arranged on fascia, travel switch 27 is fixed in the intermediate flow channel 8 of filter core 2, travel switch 27 and by-pass valve 3 align, travel switch 27 is electrically connected with pilot lamp by circuit, distance between travel switch 27 to by-pass valve 3 should be less than the maximum moving distance of by-pass valve 3, travel switch 27 is by automobile ECU control.
The oil filter base of this oil filter and engine with the use of, working process is:
1), after machine oil flows into purifier from oil-in, preferential can impact non-return valve block, under the surging force of machine oil, non-return valve block stretches, and opening occurs between non-return valve block and thread plate, and machine oil enters in oil passageway by this opening, flow of oil in oil passageway is through filter core, by the filtration of filter paper in filter core, and enter in the intermediate flow channel of filter core, then flow through threaded hole, in final ingress engine filter block, each component of lubricating engine. When machine oil stop supply time, non-return valve block under elastic recovery power again with thread plate to connecing so that oil-in and oil passageway separate, and can prevent the machine oil in purifier from refluxing.
2), after long-time use, filter core easily blocks, now machine oil can not flow through from filter core, machine oil in oil passageway can get more and more, when machine oil hydraulic is greater than the force-at-yield of return spring, return spring can compress, and by-pass valve moves under the pressure of machine oil, machine oil will directly flow out from by-pass valve with the gap being connected hole, direct ingress engine filter block. But now the machine oil of flow direction engine not yet filters through purifier filter core net, and engine is easily caused infringement by this machine oil.
3) after by-pass valve moves, touching travel switch, travel switch will send a signal to pilot lamp after responding to, and pilot lamp change is bright, and officer learns that oil filter breaks down, and can keep in repair purifier in time, and step 2 and step 3 synchronously carry out.
Limit the scope of the invention it will be understood that this embodiment is only not used in for illustration of the present invention. In addition it will be understood that after having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application's appended claims limited range equally.
Claims (6)
1. an oil filter, comprise the shell (1) of one end open, tubular element (2) and by-pass valve (3) it is provided with in shell (1), it is characterized in that, the opening place of described shell (1) is provided with the thread plate (4) that the oil filter base with engine is connected, support spring (5) it is provided with between filter core (2) and shell (1), one end of filter core (2) and thread plate (4) are to connecing, the other end and support spring (5) are to connecing, oil passageway (6) is formed between the sidewall of filter core (2) and shell (1), thread plate (4) is provided with the oil-in (7) being connected with described oil passageway (6), the intermediate flow channel (8) of filter core (2) is connected with oil passageway (6), by-pass valve (3) is arranged on intermediate flow channel (8) place of filter core (2), by-pass valve (3) is provided with return spring (9), described filter core (2) is provided with the connection bracket (10) of tubular, the one end open of connection bracket (10), one end is closed, the sidewall of connection bracket (10) is provided with ladder edge, the cross section of the sidewall of connection bracket (10) is ladder shape, the lower end cover of filter core (2) is connected to the ladder of connection bracket (10) along upper, the blind end of connection bracket (10) is provided with the connection hole (11) of connecting bypass valve (3), by-pass valve (3) through connection bracket (10) and with connection bracket (10) for running fit is connected, one end of by-pass valve (3) is resisted against on the blind end of connection bracket (10), the other end of by-pass valve (3) is provided with cheicers (12), one end of described return spring (9) and the blind end of connection bracket (10) are to connecing, the other end of return spring (9) is connected on described cheicers (12), one end of described support spring (5) is resisted against ladder along upper, the other end is resisted against on shell (1), shell (1) is provided with the spacing ring (13) that can hold support spring (5), the opening place of described shell (1) is provided with seal cover board (14), the outer of seal cover board (14) and shell (1) are fixed, the middle part of seal cover board (14) was provided with hole (15), the size crossing hole is greater than the size of threaded hole, upper the first wear ring (16) certainly crossed hole (15) and be outwards provided with concave downward successively and formed of seal cover board (14), sealing groove (17) and the 2nd wear ring (18), first wear ring (16) and the 2nd wear ring (18) most advanced and sophisticated all with described thread plate (4) to connecing, the bottom surface of sealing groove (17) and thread plate (4) are fixed for multi-point welding, the upper end cover of filter core (2) and thread plate (4) are to connecing, the middle part of described thread plate (4) extends to form connection section (20) downwards, connection section (20) is provided with the threaded hole (21) of junctor filter block, sealing member (28) also it is filled with between described thread plate (4) and seal cover board (14), described sealing member (28) is arranged in the cavity between sealing groove (17) and the 2nd wear ring (18).
2. a kind of oil filter according to claim 1, it is characterized in that, described the first wear ring (16) is formed around the center of seal cover board (14) by " V " shape or " U " shape groove for one week, and the 2nd wear ring (18) is formed around the center of seal cover board (14) by " V " shape or " U " shape groove for one week.
3. a kind of oil filter according to claim 1, it is characterized in that, described sealing groove (17) is formed around the center of seal cover board (14) by side's groove for one week, be connected with sealing-ring (19) in sealing groove (17), sealing-ring (19) with sealing groove (17) for snap-fit is connected.
4. a kind of oil filter according to claim 1, it is characterized in that, elastic non-return valve block (22) also it is provided with between the upper end cover of thread plate (4) and filter core (2), non-return valve block (22) comprises the ring portion (23) of the band flange (24) being set on connection section (20), the outer side wall of described flange (24) is outward extended with the spring piece (25) of arc, the thickness of spring piece (25) reduces gradually, and the end of spring piece (25) is resisted against on thread plate (4), the upper end cover of filter core (2) is connected in ring portion (23), and upper end cover and flange (24) laminating, described oil-in (7) and spring piece (25) align.
5. a kind of oil filter according to claim 1, it is characterised in that, it is provided with gasket (26) between described connection bracket (10) and the lower end cover of filter core (2), gasket (26) is located at the ladder of connection bracket (10) along upper.
6. a kind of oil filter according to claim 1, it is characterized in that, this oil filter also comprises the pilot lamp with warning function and travel switch (27), pilot lamp is arranged on fascia, travel switch (27) is fixed in the intermediate flow channel (8) of filter core (2), travel switch (27) is located along the same line with the axial line of by-pass valve (3), and travel switch (27) is electrically connected with pilot lamp by circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310128340.8A CN103291413B (en) | 2013-04-12 | 2013-04-12 | A kind of oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310128340.8A CN103291413B (en) | 2013-04-12 | 2013-04-12 | A kind of oil filter |
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| Publication Number | Publication Date |
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| CN103291413A CN103291413A (en) | 2013-09-11 |
| CN103291413B true CN103291413B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310128340.8A Active CN103291413B (en) | 2013-04-12 | 2013-04-12 | A kind of oil filter |
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| CN104018908A (en) * | 2014-06-05 | 2014-09-03 | 山东鲁明汽车滤芯制造有限公司 | Oil leakage preventing type engine oil filter |
| CN104727895A (en) * | 2015-03-09 | 2015-06-24 | 广西华原过滤***股份有限公司 | Oil filter with pressure difference alarm function |
| CN105221210A (en) * | 2015-10-29 | 2016-01-06 | 蚌埠国威滤清器有限公司 | A kind of oil filter assembly |
| CN106050354B (en) * | 2016-07-07 | 2019-02-15 | 宁波正利汽车部件有限公司 | Oil filter |
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| CN107588059B (en) * | 2017-10-24 | 2024-04-09 | 徐州徐工矿山机械有限公司 | Oil return filter with novel self-sealing valve at oil port at high-flow top end installed on side surface of oil tank |
| CN107882611A (en) * | 2017-12-04 | 2018-04-06 | 高博集团有限公司 | A kind of long-life oil filter |
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| JP2020105967A (en) * | 2018-12-27 | 2020-07-09 | いすゞ自動車株式会社 | Hydraulic pressure warning device |
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| CN110748512A (en) * | 2019-11-26 | 2020-02-04 | 蚌埠金威滤清器有限公司 | Heavy truck power-assisted steering oil can |
| CN111749751B (en) * | 2020-07-01 | 2021-12-07 | 贵州日顺汽配科技有限公司 | Engine oil filter element device and filter element thereof |
| CN114294072B (en) * | 2021-11-30 | 2023-06-30 | 高博集团有限公司 | Engine oil filter, engine oil filter threaded cover plate sub-assembly and sealing process thereof |
| CN115075906B (en) * | 2022-07-14 | 2023-10-03 | 浙江圣峰汽车部件有限公司 | Oil filter of perpendicular installation |
| CN117449937B (en) * | 2023-12-26 | 2024-03-12 | 盐城市聚奎机械有限公司 | Engine oil filter assembly convenient to maintain |
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| US3490597A (en) * | 1966-07-22 | 1970-01-20 | Purolator Products Inc | Cover plate for spin-on-filter |
| GB1254274A (en) * | 1967-11-15 | 1971-11-17 | Tecalemit Engineering | Oil filters |
| US5217606A (en) * | 1990-11-20 | 1993-06-08 | Gilardini S.P.A. | Double-filtering filter for vehicle engine lubricants, with compressible fine filtering cartridge |
| DE102005057630A1 (en) * | 2005-12-02 | 2007-06-06 | Mahle International Gmbh | Air dryer, especially for use with compressed air brakes in automobiles, includes non-woven partially covering annular oil collection space for preventing ingress of oil and dirt |
| CN2890359Y (en) * | 2006-04-08 | 2007-04-18 | 张少军 | Ferromagnetic engine oil filter |
| CN2921302Y (en) * | 2006-07-03 | 2007-07-11 | 刘万彬 | Paper end cover rotary mounting engine oil filter |
| CN202176385U (en) * | 2011-08-11 | 2012-03-28 | 温州新星滤清器有限公司 | Spin-on type oil filter |
| CN203257500U (en) * | 2013-04-12 | 2013-10-30 | 宁波正利汽车部件有限公司 | Oil filter convenient to assemble |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103291413A (en) | 2013-09-11 |
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Address after: 315000 Zhejiang Ningbo Yinzhou District five Township sinks fiber Village Applicant after: Ningbo Zhengli Automobile Parts Co., Ltd. Address before: 315800 Zhejiang city of Ningbo province Beilun Siaogang five Au Yao Longan No. 86 Applicant before: Ningbo Zhengli Automobile Parts Co., Ltd. |
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