CN1919467A - Oil filter - Google Patents
Oil filter Download PDFInfo
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- CN1919467A CN1919467A CN 200610111066 CN200610111066A CN1919467A CN 1919467 A CN1919467 A CN 1919467A CN 200610111066 CN200610111066 CN 200610111066 CN 200610111066 A CN200610111066 A CN 200610111066A CN 1919467 A CN1919467 A CN 1919467A
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- oil
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- collecting bag
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Abstract
An oil filter capable of efficiently removing foreign matter, such as carbon, oil sludge and metal powder, and prolonging maintenance timing is provided. The oil filter body (1) integratively has an oil passage (27) for applying a centrifugal force on flowed-in oil, a collecting bag (29) for collecting foreign bodies with a large proportion which is throwed outwards by the centrifugal force, and a magnetic filter (35) mounted at the downstream side of the oil passage (27) and capable of removing metal powders.
Description
Technical field
The present invention relates to have the oil strainer of magnetic filter.
Background technology
Using lubricating oil in fields such as automobile, machine-building, machining, lathe, boats and ships, this lubricating oil recycles.
For this reason, oil strainer is set in closed circuit filters oil.In general, this oil strainer plays a part such, promptly, coat of paint that produces with the carbon powder that produces because of imperfect combustion of engine etc., because of high-temperature oxydation and greasy filth, the removals such as metal dust that produce because of wearing and tearing such as engines, the uses such as oily supply engine that will become and clean through filtration.
In the past, it is the scheme (with reference to patent documentation 1) of the magnetic filter removed of main foreign matter high efficiency that existing people proposes to adopt with metal dust.
[patent documentation 1] spy opens flat 11-77479 communique
Existing magnetic filter is the filter that metal dust can be adsorbed on the filter core of being made by the metallic fiber of excitation, and it is very high that efficient is removed in its absorption, and still, the carbon powder that is produced in the combustion chamber of engine etc. but can't be removed with this magnetic filter.Therefore, exist such problem, that is, this carbon powder can synthesize with other oxide and generate harmful greasy filth, finally must be used to remove the filter core of this greasy filth, and the obstruction of this filter core will cause finally having to prematurely filter be safeguarded.
Summary of the invention
For this reason, the objective of the invention is to solve the problem that above-mentioned prior art exists, provide a kind of and can high efficiency remove foreign matters such as carbon powder, greasy filth, metal dust, the oil strainer that maintenance period is prolonged.
For achieving the above object, feature of the present invention is, have integratedly in the filter body to the oil that flows into apply the oil circuit of centrifugal force, to got rid of the magnetic filter that metal dust can be removed of collecting bag of collecting to the heavy foreign matter of foreign side and the downstream that is arranged on described oil circuit by centrifugal force.
In this case, also can on the end face of filter body, have oil-out, also have the oil-in that this oil-out is fenced up on this end face, the outer circumferential side of earthing in filter body that link to each other with this oil-in forms described oil circuit, has described magnetic filter in interior all sides of this oil circuit.
In addition, the other end that also can have the importing oil circuit that will import the other end from the oil that an end flows into integratedly in filter body, is arranged on this oil circuit bumps the oil that is imported into it and the magnetic filter that metal dust can be removed in collecting bag that the foreign matter of separating by collision is collected and the downstream that is arranged on described oil circuit.
In foregoing invention, when in the oily inflow filter body, at first, apply centrifugal force for the oil that from oil circuit, passes through, foreign matter such as the carbon powder that the proportion that contained in this oil is bigger, greasy filth utilizes centrifugal force to get rid of to foreign side and collects in the collecting bag.Oil after heavy foreign matter is removed arrives the magnetic filter place that is arranged on the oil circuit downstream, flows to outside the filter body after here metal dust is removed.
As the present invention, owing to have integratedly in the filter body being got rid of collecting bag of collecting to the heavy foreign matter of foreign side and the magnetic filter that is arranged on the oil circuit downstream by centrifugal force, thereby foreign matter that can carbon powder, greasy filth geometric ratio is great and the foreign matter that is different from this are removed in two steps.Therefore, foreign matters such as carbon powder, greasy filth, metal dust can be removed expeditiously, maintenance period can be prolonged.
In addition, because collecting bag and magnetic filter be assemblied in the filter body compactly, thereby can realize the miniaturization of filter.
Description of drawings
Fig. 1 is to use the cutaway view of oil strainer of the present invention.
Fig. 2 is the end view drawing of oil strainer.
Fig. 3 is that the A-A of Fig. 1 is to cutaway view.
Fig. 4 is the perspective view of blade part.
Fig. 5 is the cutaway view of the oil strainer of other embodiment.
Fig. 6 is the end view drawing of this oil strainer.
Fig. 7 is that the A-A of Fig. 5 is to cutaway view.
Fig. 8 is the cutaway view of the oil strainer of other embodiment.
The explanation of Reference numeral
1 filter body
3 housings
5 supports
7 top covers
9 bases
13 oil-outs
15 oil-ins
21 partition members
23 blade parts
27 oil circuits
29 collecting bags
35 magnetic filters
The specific embodiment
Below, to one embodiment of the present invention in conjunction with the accompanying drawings.
Fig. 1 is the cutaway view of filter.
As shown in Figure 2, be formed with oil-out 13, on the peripheral part of this base 9, be formed with this oil-out 13 8 oil-ins 15 that fence up, that roughly uniformly-spaced form in a circumferential direction at about central part of above-mentioned base 9.
Above-mentioned support 5 as shown in Figure 1, the diameter of an end 5A one side is thinner, the diameter of other end 5B one side is thicker, is the shape of about cylinder with the level, side is formed with the oil extraction oil circuit 14 that is communicated with oil-out 13 within it.One end 5A, one side of this oil extraction oil circuit 14 is closed.
Between the interior week of the periphery of this support 5 and housing 3, form the space K of ring-type.In the K of this space, be provided with this space K is concentric shape partition member 21 (with reference to Fig. 3) that separate, ring-type, between the periphery of this partition member 21 and support 5, be connected with the plugging part 22 that is horn-like setting towards the downstream.Housing 3, partition member 21 and plugging part 22 have constituted the 1st cylindrical structure body.
In addition, as shown in Figure 3, on the periphery of partition member 21, the equal intervals of roughly being separated by in a circumferential direction for example is connected with 4 blade parts 23 (centrifugal foreign matter separative element) of the extension that section takes the shape of the letter U approximately by spot welding.In addition, these blade parts 23 as shown in Figure 4, be filter body 1 axially in the shape of a spiral shape reversing installation, these blade parts 23 as shown in Figure 1, its two ends are sandwiched between top cover 7 and the base 9.
In said structure, oil-in 15 is communicated with the inlet oil circuit 25 of ring-type, this oil circuit 25 and the blade part 23 that is reversed by helical form and above-mentioned housing be 3 that fence up, be used for to the oil that flows into apply centrifugal force, the oil circuit 27 that extends of shape is communicated with in the shape of a spiral in the axial direction.As shown in Figure 1, on the periphery of this oil circuit 27, be formed with the collecting bag 29 of the drum that stainless steel fibre makes, flow among the foreign matter that oil contained in the above-mentioned oil circuit 27, got rid of to the bigger foreign matter of the proportion of foreign side by centrifugal force and to be collected in (separate type filter) in this collecting bag 29.In the foreign matter that is contained in the oil, the metal dust that coat of paint that generally has the carbon powder that produces because of imperfect combustion of engine etc., produces because of high-temperature oxydation and wearing and tearing such as greasy filth, engine produce etc., and, carbon powder and greasy filth etc. are arranged as heavy foreign matter wherein.
What be formed with ring-type in the downstream of above-mentioned oil circuit 27 returns oil circuit 31, and returns the downstream of oil circuit 31 at this, is formed with the oil circuit 33 that can form towards the oil stream in the axle center of support 5 in the inboard of partition member 21.Be provided with magnetic filter 35 in this oil circuit 33.This magnetic filter 35 has 3 permanent magnets 37 on the thin diameter portion 5A that is nested in support 5 and is arranged on the filter core of being made by the stainless steel fibre of this magnet excitation 39 between each permanent magnet 37, and the metal dust that is contained in the oil that therefrom flows through is adsorbed and with its removal.The through hole 5C that is provided with on the outer wall of oil circuit 33 through being formed at support 5 of this magnetic filter 35 is communicated with oil extraction oil circuit 14, and then is communicated with oil-out 13.Partition member 21, support 5 and plugging part 22 have constituted the 2nd cylindrical structure body.
Below, operation principle is described.
This filter for example is assembled in the circulating path of engine oil.Oil enters into inlet oil circuit 25 from oil-in 15 shown in the solid line arrow, in this oil circuit 25, be directed to radially foreign side, enter by in blade part 23 and above-mentioned housing 3 oil circuits 27 that fence up, that shape extends in the shape of a spiral in the axial direction along be plugging part 22 that bell mouth shape erects towards the downstream.In this oil circuit 27 that shape extends in the shape of a spiral, utilize its shape that has that the oil of the high pressure of inflow is produced centrifugal force, by centrifugal force the foreign matter that proportion is bigger among the foreign matter that is contained in the oil is got rid of to foreign side and collect in the collecting bag 29.According to this structure, the 1st step, the foreign matters such as for example carbon powder that proportion is bigger were removed.
Above-mentioned the oil of process enters into ring-type from oil circuit 27 returns oil circuit 31, and here flow direction is turned back and entered into oil circuit 33.In this oil circuit 33, the function of utilizing magnetic filter 35 is adsorbed the metal dust that is contained in the oil and with its removal.That is, according to this structure, the 2nd step was removed the metal dust that is contained in the oil.
The oil that flows through from this magnetic filter 35 enters oil extraction oil circuit 14 via the through hole 5C of support 5, flows out from oil-out 13.
According to this embodiment, the 1st step, the foreign matters such as for example carbon powder that proportion is bigger were removed, and the 2nd step was removed the metal dust that is contained in the oil, therefore, foreign matters such as carbon powder, greasy filth, metal dust can be removed expeditiously, can be prolonged the maintenance period of oil strainer significantly.
In addition, has oil-out 13 on the end face of filter body 1, also has the oil-in 15 that this oil-out 13 is fenced up on this end face, the outer circumferential side of earthing in filter body 1 that link to each other with this oil-in 15 forms oil circuit 27, interior all sides at this oil circuit 27 have magnetic filter 35, importantly, collecting bag 29 and magnetic filter 35 are assemblied in the filter body 1 with one heart compactly, thereby can realize the miniaturization of filter.In addition, in this device, collecting bag 29 and filter core 39 are made of metallic fiber, can use repeatedly, do not need to carry out offal treatment.
Have again, only need dismounting top cover 7, just can be easily with the axial extraction of collecting bag 29 along filter body 1.Therefore, can obtain being convenient to collecting bag 29 such as is safeguarded at various effects.
Fig. 5 to Fig. 7 illustrates other embodiment.
What this embodiment was showed is the oil strainer that pony car is used.The support 55 of the metal manufacturing that filter body 51 is provided with one heart with housing 53 with metal manufacturing and at inboard and this housing 53 of this housing 53 and constituting.
In the figure of above-mentioned housing 53 end on right side interior week be formed with internal thread, the top cover 57 of metal manufacturing is screwed in this internal thread, keeps supporting to prevent its spacious moving state with an end 55A of 56 pairs of supports 55 of holding member.60, the 61st, seal.
As shown in Figure 6, in the figure of above-mentioned housing 53, be formed with oil-out 63 on the end face in left side,, be formed with, in a circumferential direction about 8 oil-ins 65 uniformly-spaced forming 63 that fence up this oil-out at the periphery position of this housing 53.As shown in Figure 5, above-mentioned support 55 is about cylinder form, and side is formed with the oil extraction oil circuit 64 that is communicated with oil-in 65 within it, and an end 5A of this oil extraction oil circuit 64 is by above-mentioned holding member 56 shutoff.
Between the interior week of the periphery of this support 55 and housing 53, be formed with the space K of ring-type, in the K of this space, be formed with the inlet oil circuit 75 that is communicated with oil-in 65, be provided with the guide plate 77 of ring-type at the end place of this inlet oil circuit 75.This guide plate 77 can get rid of the oil that flows into the foreign side to radially, with this oil that flows into is applied centrifugal force.At the most peripheral of the space of ring-type K, be formed with the collecting bag 79 of the drum that stainless steel fibre makes, flow among the foreign matter that oil contained in the above-mentioned oil circuit 75, got rid of to the bigger foreign matter of the proportion of foreign side by centrifugal force and to be collected in this collecting bag 79.In the foreign matter that is contained in the oil, the metal dust that coat of paint that generally has the carbon powder that produces because of imperfect combustion of engine etc., produces because of high-temperature oxydation and wearing and tearing such as greasy filth, engine produce etc., and, carbon powder and greasy filth etc. are arranged as heavy foreign matter wherein.
Be formed with oil circuit 81 in the downstream of above-mentioned oil circuit 75, be provided with magnetic filter 85 in the downstream of this oil circuit 81.This magnetic filter 85 has the permanent magnet 87 that is nested on the support 55 and is arranged on the filter core of being made by the stainless steel fibre of this magnet excitation 89 between each permanent magnet 87, and the metal dust that is contained in the oil that therefrom flows through is adsorbed and with its removal.Be provided with the oil circuit 81 of this magnetic filter 85, formed through hole 55C is communicated with oil extraction oil circuit 64 on the outer wall of support 55, and then is communicated with oil-out 63.
This structure too, owing to can remove with collecting bag 79 foreign matters such as for example carbon powder that proportion is bigger, with magnetic filter 85 metal dust that is contained in the oil is removed, thereby foreign matters such as carbon powder, greasy filth, metal dust can be removed expeditiously, the maintenance period of oil strainer is prolonged significantly.
Fig. 8 illustrates other embodiment.
Here the filter of being put down in writing for example is the filter that is applicable to large truck etc., and essential structure and above-mentioned embodiment are roughly the same.
Reference numeral 101 is represented filter body, and this filter body 101 has housing 103 that metal that cylindrical approximately cover shape forms makes and the support 105 of the metal manufacturing that is provided with one heart at inboard and this housing 103 of this housing 103.
This support 105 has urceolus urceolus 106 and inner core inner core 107, is connected with flange 108 on the periphery of an end 107A of this inner core 107, and the periphery of this flange 108 was combined on the interior week of urceolus 106.
In addition, chimeric on the interior week of the other end 107B of inner core 107 have attaching parts 109, is connected with collecting bag cover 110 on the outer end of these attaching parts 109, and this collecting bag cover 110 is fastened on the attaching parts 109 by nut 111.The 112nd, have the enhancing flange of oil circuit.
This support 105 and above-mentioned housing 103 the two after being provided with one heart, for example link into an integrated entity by a long king-bolt 113 with engine cylinder-body 115.116, the 117th, annular oil seal.
Between the interior week of the periphery of above-mentioned urceolus 106 and housing 103, be formed with the space K of ring-type.The other end at this space K, be provided with by the interior introducing port 118 that gets up on every side of the periphery of urceolus 106 and collecting bag cover 110, on the depth end of this introducing port 118, be provided with the collecting bag 129 (collision type foreign matter separative element) of the drum of stainless steel fibre manufacturing.118 oil circuit has constituted the importing oil circuit from space K to introducing port.
Be formed with oil-out 213 and oil-in 215 on the above-mentioned engine cylinder-body 115.In the oily inflow space K of these oil-in 215 inflows, the collecting bag 129 that enters introducing port 118 backs and stainless steel fibre manufacturing bumps, and 129 pairs of foreign matters of separating by collision of this collecting bag are collected.Foreign matter among the foreign matter that is contained in the oil that flows into, that proportion is bigger is collected in this collecting bag 129.In the foreign matter that is contained in the oil, the metal dust that coat of paint that generally has the carbon powder that produces because of imperfect combustion of engine etc., produces because of high-temperature oxydation and wearing and tearing such as greasy filth, engine produce etc., and, carbon powder and greasy filth etc. are arranged as heavy foreign matter wherein.
What be formed with ring-type in the downstream of above-mentioned collecting bag 129 returns oil circuit 131, and this returns and is provided with magnetic filter 135 in the oil circuit 31.This magnetic filter 135 has 4 permanent magnets 137 of the ring-type on the periphery that devices spaced apart is nested in inner core 107 and is arranged on the filter core of being made by the stainless steel fibre of these magnet 137 excitations 139 between each permanent magnet 137, and the metal dust that is contained in the oil that therefrom flows through is adsorbed and with its removal.Be provided with the oil circuit 131 of this magnetic filter 135, formed a plurality of through hole 107C are communicated with the oil extraction oil circuit 214 of the inboard of inner core 107 on the outer wall of inner core 107, and then are communicated with oil-out 213.
Below, operation principle is described.This filter for example is assembled in the circulating path of engine oil.Oil enters in the K of space from oil-in 215 shown in the solid line arrow, enters introducing port 118 backs and bumps with stainless steel fibre manufacturing collecting bag 129, here the foreign matter of separating by collision is collected.According to this structure, the 1st step, the foreign matters such as for example carbon powder that proportion is bigger were removed.
The oil that flows through from collecting bag 129 enters returning in the oil circuit 131 of ring-type, and in this oil circuit 131, the function of utilizing magnetic filter 135 is adsorbed the metal dust that is contained in the oil and with its removal.That is, according to this structure, the 2nd step was removed the metal dust that is contained in the oil.The oil that flows through from this magnetic filter 135 enters into oil extraction oil circuit 214 through the through hole 107C of inner core 107, flows out from oil-out 213.
In this embodiment, the 1st step, the foreign matters such as for example carbon powder that proportion is bigger were removed, and the 2nd step was removed the metal dust that is contained in the oil, therefore, foreign matters such as carbon powder, greasy filth, metal dust can be removed expeditiously, the maintenance period of oil strainer is prolonged significantly.In this device, collecting bag 129 and filter core 139 are made of metallic fiber, can use repeatedly, do not need to carry out offal treatment.In addition, only need demounting bolt 113, just can be easily with the axial extraction of collecting bag 129 along filter body.Therefore, can obtain being convenient to collecting bag 129 such as is safeguarded at various effects.
Abovely describe the present invention, but the present invention is not limited by this in conjunction with embodiment.For example, as above-mentioned oil circuit 27, so long as can apply the shape of centrifugal force, be not limited to helical form or guide plate and can be Any shape the oil that flows into.In addition, magnetic filter 35 also is not limited to structure described above.
For said structure, the oil strainer of enumerating engine for automobile is illustrated, but this structure can be used by the oil strainer as sorrow in all spectra that can re-use repeatedly, non-environmental-pollution in the oil strainer of all internal combustion engines, can also use in fields such as machine-building, machining, lathes.
Claims (13)
1. an oil strainer is removed the foreign matters such as metal dust that contained in the oil, it is characterized in that,
In single filter body, have separate type filter and magnetic filter integratedly, described separate type filter utilizes the mobile centrifugal force or the impact force of applying of this oil to the oil that flows into, heavy foreign matter is separated and collected, described magnetic filter is arranged on the downstream of above-mentioned separate type filter, can utilize magnetic force that metal dust is removed.
2. oil strainer as claimed in claim 1, it is characterized in that, on an end face of described filter body, has oil-out, also has the oil-in that described oil-out is fenced up on the described end face, the outer circumferential side of earthing in described filter body that link to each other with this oil-in forms described separate type filter, has described magnetic filter in interior all sides of this separate type filter.
3. oil strainer as claimed in claim 1 or 2 is characterized in that,
Described separate type filter has centrifugal foreign matter separative element and collecting bag, described centrifugal foreign matter separative element utilizes the mobile centrifugal force that applies of this oil to the oil of this inflow, heavy foreign matter is separated, and described collecting bag is collected this foreign matter of being separated by this foreign matter separative element.
4. oil strainer as claimed in claim 3 is characterized in that, described centrifugal foreign matter separative element has along this oily flow direction a plurality of blade parts of being provided with of shape in the shape of a spiral.
5. oil strainer as claimed in claim 3 is characterized in that, described centrifugal foreign matter separative element has guide plate near this oily oil-in, bumps with it and the foreign matter in this oil is applied centrifugal force by this oil that flows into.
6. oil strainer as claimed in claim 1 or 2 is characterized in that,
Described separate type filter has collision type foreign matter separative element and collecting bag, described collision type foreign matter separative element utilizes the mobile impact force that applies of this oil to the oil of this inflow, heavy foreign matter is separated, and described collecting bag is collected this foreign matter of being separated by this foreign matter separative element.
7. oil strainer as claimed in claim 6, it is characterized in that, described collision type foreign matter separative element is provided with described collecting bag at the depth end of the introducing port of the oil of this inflow and forms, oil and this collecting bag of inflow are bumped, will collect in the described collecting bag by this foreign matter that described collision is separated.
8. oil strainer as claimed in claim 1, it is characterized in that, described separate type filter is made of the 1st cylindrical structure body with the oil circuit that circulates for this oil, and, the 2nd cylindrical structure body that this oil that described magnetic filter is provided with one heart, flows through from described separate type filter with respect to this separate type filter by the inside at described separate type filter flows into wherein constitutes, the two is integral formation described the 1st cylindrical structure body and described the 2nd cylindrical structure body, thereby described filter body has dual cylindrical structure.
9. oil strainer as claimed in claim 8, it is characterized in that, the fiber that described collecting bag has by the metal manufacturing constitutes section cylindrical structure body in the form of a ring, and this cylindrical structure body is installed in interior all sides of described the 1st cylindrical structure body and can freely carries out dismounting with respect to described filter body.
10. oil strainer as claimed in claim 1 is characterized in that, described magnetic filter has: the filter key element, on set direction, extend setting, and this oil can therefrom flow through; A plurality of permanent magnets are spaced with set on this set direction, separately with the state setting in this filter key element is wrapped in; The filter core that metallic fiber is made is set in place between this permanent magnet of this filter key element outer circumferential side, this oil that flows into from described separate type filter is passed through and channeling conduct in described filter key element, by this permanent magnet excitation.
11. oil strainer as claimed in claim 10, it is characterized in that, described filter key element is made of cylindric body and a plurality of peristome of hollow, described peristome is arranged on the periphery of this cylindric body, and this oil that is intended to flow through in described metallic fiber filter core is to the channeling conduct of the inside of described cylindric body.
12. oil strainer as claimed in claim 11 is characterized in that, the filter core of described a plurality of peristomes and described metallic fiber manufacturing is arranged on this cylindric body periphery position opposite to each other.
13. oil strainer as claimed in claim 1, it is characterized in that, described separate type filter has the oil circuit of importing and collecting bag, described importing oil circuit will be guided the other end into from the oil that an end flows into, described collecting bag is arranged on the other end of described oil circuit, this oil that flows in described oil circuit is bumped with it, this foreign matter of separating from this oil by this collision is collected.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-237600 | 2005-08-18 | ||
| JP2005237600 | 2005-08-18 | ||
| JP2005237600 | 2005-08-18 | ||
| JP2005-325303 | 2005-11-09 | ||
| JP2005325303 | 2005-11-09 | ||
| JP2005325303A JP3911516B2 (en) | 2005-08-18 | 2005-11-09 | oil filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1919467A true CN1919467A (en) | 2007-02-28 |
| CN1919467B CN1919467B (en) | 2010-06-23 |
Family
ID=37936626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101110663A Expired - Fee Related CN1919467B (en) | 2005-08-18 | 2006-08-18 | Oil filter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3911516B2 (en) |
| CN (1) | CN1919467B (en) |
Cited By (10)
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| CN102410117A (en) * | 2010-09-26 | 2012-04-11 | 德阳市中真石油过滤器材有限公司 | Hot fuel strong magnetic separation filter |
| CN104399311A (en) * | 2014-11-14 | 2015-03-11 | 无锡乐华自动化科技有限公司 | Secondary reverse-flow type filtering joint |
| CN104436850A (en) * | 2014-11-14 | 2015-03-25 | 无锡乐华自动化科技有限公司 | Refluxing type filter connector |
| CN105317504A (en) * | 2015-12-07 | 2016-02-10 | 邵良玉 | Automobile oil filter |
| TWI561311B (en) * | 2014-12-24 | 2016-12-11 | jin-da Cai | |
| CN108119204A (en) * | 2018-03-07 | 2018-06-05 | 湖南梓唯汽车环保有限公司 | A kind of oil filtration device assembly capable of washing |
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| CN108361090A (en) * | 2018-03-07 | 2018-08-03 | 湖南梓唯汽车环保有限公司 | A kind of oil strainer capable of washing |
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| CN102423568B (en) * | 2011-10-25 | 2013-10-30 | 中国北车集团大连机车研究所有限公司 | Centrifugal magnetic filter |
| CN104399312A (en) * | 2014-11-14 | 2015-03-11 | 无锡伊佩克科技有限公司 | Screw type liquid filter |
| CN105757062A (en) * | 2016-05-12 | 2016-07-13 | 沈兴华 | Filter tank achieving filtration, magnetization, magnetic field rotation and centrifugation with full-band variable structures |
| CZ308457B6 (en) | 2019-09-05 | 2020-08-26 | SAVI servis s.r.o. | Magnetic filter |
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2005
- 2005-11-09 JP JP2005325303A patent/JP3911516B2/en not_active Expired - Fee Related
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2006
- 2006-08-18 CN CN2006101110663A patent/CN1919467B/en not_active Expired - Fee Related
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| CN102410117B (en) * | 2010-09-26 | 2016-03-16 | 德阳市中真石油过滤器材有限公司 | Heating fuel high magnetic separating filter |
| CN102410117A (en) * | 2010-09-26 | 2012-04-11 | 德阳市中真石油过滤器材有限公司 | Hot fuel strong magnetic separation filter |
| CN104399311A (en) * | 2014-11-14 | 2015-03-11 | 无锡乐华自动化科技有限公司 | Secondary reverse-flow type filtering joint |
| CN104436850A (en) * | 2014-11-14 | 2015-03-25 | 无锡乐华自动化科技有限公司 | Refluxing type filter connector |
| CN104436850B (en) * | 2014-11-14 | 2016-08-24 | 无锡乐华自动化科技有限公司 | A kind of reverse-flow type transition joint |
| CN104399311B (en) * | 2014-11-14 | 2016-09-21 | 江苏晟利探测仪器有限公司 | A kind of secondary returning streaming transition joint |
| TWI561311B (en) * | 2014-12-24 | 2016-12-11 | jin-da Cai | |
| CN108136292B (en) * | 2015-10-20 | 2020-09-08 | 日东工器株式会社 | Suction nozzle and liquid recovery device |
| CN108136292A (en) * | 2015-10-20 | 2018-06-08 | 日东工器株式会社 | Suction nozzle and liquid withdrawal system |
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| US20180229159A1 (en) * | 2015-10-20 | 2018-08-16 | Nitto Kohki Co., Ltd. | Suction nozzle and fluid recovery apparatus |
| CN105317504A (en) * | 2015-12-07 | 2016-02-10 | 邵良玉 | Automobile oil filter |
| CN108119204A (en) * | 2018-03-07 | 2018-06-05 | 湖南梓唯汽车环保有限公司 | A kind of oil filtration device assembly capable of washing |
| CN108361090A (en) * | 2018-03-07 | 2018-08-03 | 湖南梓唯汽车环保有限公司 | A kind of oil strainer capable of washing |
| CN108361090B (en) * | 2018-03-07 | 2024-06-21 | 湖南梓唯汽车环保有限公司 | Cleanable engine oil filter |
| CN111001210A (en) * | 2019-11-07 | 2020-04-14 | 珠海格力电器股份有限公司 | Oil filter, screw compressor and air conditioner |
| CN114798169A (en) * | 2022-04-01 | 2022-07-29 | 陈志辉 | Edible oil filtering system and filtering method |
| CN114798169B (en) * | 2022-04-01 | 2023-10-10 | 沈阳元翔生物工程有限公司 | Edible oil filtering system and filtering method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3911516B2 (en) | 2007-05-09 |
| CN1919467B (en) | 2010-06-23 |
| JP2007075808A (en) | 2007-03-29 |
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