CN110302572A - Filter device - Google Patents
Filter device Download PDFInfo
- Publication number
- CN110302572A CN110302572A CN201910159345.4A CN201910159345A CN110302572A CN 110302572 A CN110302572 A CN 110302572A CN 201910159345 A CN201910159345 A CN 201910159345A CN 110302572 A CN110302572 A CN 110302572A
- Authority
- CN
- China
- Prior art keywords
- screw
- filter
- filter element
- valve seat
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001914 filtration Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/08—Construction of the casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/147—Bypass or safety valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/18—Heating or cooling the filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/30—Filter housing constructions
- B01D2201/301—Details of removable closures, lids, caps, filter heads
- B01D2201/302—Details of removable closures, lids, caps, filter heads having inlet or outlet ports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/40—Special measures for connecting different parts of the filter
- B01D2201/4092—Threaded sections, e.g. screw
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to a kind of filter device (1), have filter stand (2), and the filter stand has screw boss (3)；With screw-in filter element (4), the screw-in filter element can be screwed on the screw boss (3) by screw shell (5), and there is the annular filter element (8) being securely arranged in filter housing (7), and wherein the screw shell (5) is securely connected to the screw-in filter element (4)；With the by-passing valve (11) for bypassing the annular filter element (8).In this case, it is important to the present invention that, the by-passing valve (11) has the valve seat (10) of spring (9), the valve piston (14) of annulus and annulus, wherein (9') the spring is arranged on the screw boss (3) with the valve piston (14), and the valve seat (10) is arranged on the screw-in filter element (4).
Description
Technical field
Preamble according to claim 1, the present invention relates to a kind of filter device with filter stand, the filterings
Device frame has screw boss, and has the screw-in filter element that can be screwed in the screw boss by screw shell.
The invention further relates to a kind of screw-in filter elements for such filter device.
Background technique
EP0462122B1 discloses a kind of universal filter device, with filter stand and has screw boss,
Middle screw-in filter element can be screwed in the screw boss by screw shell, and the screw shell is securely connected to revolve
Enter the filter housing of formula filter element.Annular filter element is arranged in filter housing itself.In filter housing also
It is disposed with by-passing valve, open under the effect of the pressure and keeps annular filter element bypassed.
EP0692292B2 discloses a kind of liquid filter with filter housing, and the filter housing has extremely
Few liquid supply and fluid return passageway.Liquid filter itself is configured to so-called screw type in this example embodiment can be more
Filter is changed, and itself has filter housing, the filter housing can be screwed, in replacement fluid filter
In the case of can reuse or further use still be able to using component.
DE19605425C2 discloses a kind of liquid filter with multiple components, and the multiple component is fixed to filtering
Device and can be replaced, wherein be fixed to the state of filter be provided with shell and be fixed to shell support rim and
Filter bypass valve with valve member, the valve member are fixed in support rim, and can be opposite with the effect of spring
Ground is moved to open position from the closed position that it cooperates with sealing surface.Setting has elastic component in shell itself, the bullet
Property element be arranged to be replaced, and have actual filtering surface and two end plates.The end plate of elastic element is at this
Sealing surface associated with valve member is formed in example.
In general, so-called screw-in filter element, that is to say, that the replaceable filter of screw type is fully recognized
Know, include by-passing valve, the by-passing valve especially keeps filtering material bypassed under cold mode of operation, and thus makes
The smallest flow velocity must be can be realized.However, the shortcomings that such screw type replaceable filter is that they have the mistake of closure
Filter shell, wherein being not only disposed with annular filter element but also usually there also is provided by-passing valve.When replacement screw-in crosses filtering element
When part, that is to say, that the replaceable filter of screw type not only entire filter housing and the annular filter element being located therein
Therefore be removed, and be arranged in the by-passing valve in filter housing also it is unnecessary needs be removed.
Summary of the invention
Therefore the present invention solves the problems, such as follows: providing reality that is improved or at least substituting for the filter device of general types
Mode is applied, disadvantage well known in the prior art is especially overcome.
According to the present invention, which is solved by the theme of independent claims 1.Beneficial embodiment appears in appurtenance
During benefit requires.
The present invention is based on following main purposes: with the replaceable filter of screw type (that is, screw-in mistake
Filtering element) filter device in, by-passing valve is divided, so that spring and valve piston are arranged in filter stand, and only one
A relevant valve seat is arranged in screw-in filter element.This gives benefit as is evident below: when replacement screw-in crosses filtering element
When part, only the valve seat of by-passing valve is removed from screw-in filter element, and the more expensive component of by-passing valve is (that is, valve
Piston and relevant spring), can be continued due to their arrangements in filter stand using.Screw-in filter element because
This can not only be constituted in a cost efficient manner, but also can be realized very important resource-effective.It is according to the present invention
Such as it is configured to the filter device of diesel fuel filter or oil strainer, there is filter stand and screw-in filter element, institute
Filter stand is stated with screw boss, the screw-in filter element can be screwed onto the screw boss by screw shell
On, and there is the annular filter element being securely arranged in its filter housing.The screw shell of screw-in filter element
Then it is securely connected to it, for example, being securely connected to the filter housing of screw-in filter element.It is additionally provided with for inciting somebody to action
The by-passing valve of annular filter element bypass, wherein its valve seat with spring, the valve piston of annulus and annulus according to the present invention,
And wherein spring and valve piston are arranged in screw boss, that is to say, that are arranged in filter stand, and valve seat is arranged in
On screw-in filter element.Preferably, valve piston is constituted in a manner of the annulus being open with middle thereof, the middle thereof
Therefore opening for example forms cleaning or dirty channel, because the valve piston of solid material will not realize the purpose.Using according to this
The filter device of invention, therefore for the first time can be in a cost efficient manner in screw-in filter element (that is, in spiral shell
In the replaceable filter of mouth formula) manufacture by-passing valve, and additionally, it can be realized the behaviour significantly reduced relative to its cost
Make because in the case where the periodic replacement of screw-in filter element, the important component of by-passing valve (that is, valve piston and
Alignment applies the spring of stress) it is maintained in filter stand, and do not remove from screw-in filter element.
In Advantageous developments according to the technique and scheme of the present invention, valve seat has the annulus for separating dirty side and clean side
Valve seat profile part.The valve seat profile part of the annulus can for example be molded of plastic material or be made of sheet metal, and
It is connected to the base portion of screw-in filter element at one end, while in the inside that the other end is directed to screw-in filter element.
The valve seat profile part of annulus for example can be constituted or be molded of plastic material by sheet metal.
In Advantageous developments according to the technique and scheme of the present invention, valve seat profile part has at least one bypass opening.This
The bypass opening of sample is arranged in this example embodiment in the region of valve seat, and by valve piston or is disposed thereon in the mounted state
Sealing configuration part close.Certainly, due to valve seat profile part or valve seat circular ring structure and valve piston as a result, can also think
The arrangement being open to circumferentially distributed multiple bypass, wherein in this example embodiment, valve piston has the sealing configuration of multiple complementations
Part corresponds to the quantity of relevant bypass opening, and can when screw-in filter element to be screwed in filter stand
Close bypass opening.Valve piston side seal profile elements and valve seat side bypass opening are preferably constructed to so-called lock in this example embodiment
Key connector enables technically specific related screw-in filter element to be screwed on filter stand or filter device,
Bypass opening in the valve seat profile part of bypass opening or valve seat in middle valve seat cooperates with valve piston side seal profile elements, and
And thus, it is possible to be closed in the mounted state by them.If another screw-in filter element is screwed onto filter stand,
There is no the closings of bypass opening, are whereby not carried out filter function.
In Advantageous developments according to the technique and scheme of the present invention, filter housing is at least partly by sheet metal shape
At.Filter housing at least partly makes it possible to realize the absorption of elevated pressures and same by the structure that sheet metal is formed
When can be realized good hot driving so that for example by oil strainer, filter housing can to when young degree by heat to
Environmental emission and therefore oil can be cooled down.
The present invention is also based on following main purpose: a kind of screw-in filter element is provided for above-mentioned filter device,
With filter housing, and be securely connected to its, the filter stand for screw-in filter element to be screwed to filter device
Screw boss on screw shell, and wherein the screw-in filter element have by-passing valve placed in the middle, annulus valve seat, institute
Stating by-passing valve has the valve seat profile part of annulus for separating dirty side and clean side, and wherein the valve seat profile part is at one end
It is connected to the base portion of screw-in filter element, and in the inside that the other end is directed into screw-in filter element.Due to not
The result of the component (that is, spring and valve piston) of by-passing valve is set again, it is no longer necessary to assemble these components and in mistake
Be arranged as disposable unit in filter shell, such screw-in filter element according to the present invention can not only cost of implementation have
The manufacture of effect.Moreover, screw-in filter element in this way, also can be realized it is resource-effective, because of the valve piston of by-passing valve
Be arranged on vavle shelf with spring, and thus per when it is desired to be used they can almost be used for as frequently as possible largely can be more
The screw-in filter element changed.
In Advantageous developments according to the technique and scheme of the present invention, valve seat profile part provides closes in the mounted state
At least one bypass opening.At least one bypass opening has specific geometry, such as circular open in this example embodiment,
And relevant sealing configuration part is configured to be complementary on valve piston, and therefore can close in the mounted state bypass and open
Mouthful.Therefore at least one bypass opening forms the lock for being used for so-called key connector, specially allow relevant filter stand
On scheduled screw-in filter element predetermined component.Especially thus, it is possible to be reliably prevented it is incorrect use and it is low
The use of the screw-in filter element of rank, and thus prevent motor damage.
Other important features and benefit of the invention are by dependent claims, attached drawing and referring to the associated description neck of attached drawing
Meeting.
Certainly, in the case where not departing from the scope of the present invention, above-mentioned feature and the spy that will be described hereinafter
Sign is used not only in the combination stated in each case, but also can be used in other combinations or be used alone.
Detailed description of the invention
The preferred embodiment of the present invention is illustrated in the drawings, and is explained in more detail in the following description, wherein
Identical appended drawing reference refers to same or similar or functionally equivalent component.
In schematical attached drawing:
Fig. 1 is the exploded cross-sectional diagram across filter device according to the present invention,
Fig. 2 is the diagram as Fig. 1, and only screw-in filter element is mounted in the filter stand of filter device,
Fig. 3 is the details diagram of the by-passing valve of filter device according to the present invention.
Specific embodiment
According to Fig. 1 to Fig. 3, filter device 1 according to the present invention has filter stand 2 and screw-in filter element 4, described
Filter stand 2 has screw boss 3, and the screw-in filter element 4 can be screwed in filter stand 2 by screw shell 5
On.Filter device 1 is for example configured to oil strainer or diesel fuel filter.Screw shell 5 connects securely in this example embodiment
It is connected to screw-in filter element 4, is especially further connected firmly to its base portion 6 or filter housing 7.In screw-in filter element
In 4, the annular filter element 8 for filtering liquid to be filtered is installed securely.It is additionally provided with spring 9, resists base portion 6
And stress is applied to annular filter element 8, wherein valve seat 10 is arranged between base portion 6 and annular filter element 8.On the one hand, bullet
Spring 9 is supported on annular filter element 8, and on the other hand, is supported on the filter housing 7 of screw-in filter element 4.Also
It is provided with by-passing valve 11, realization is made it possible to by scheduled pressure and bypasses annular filter element 8 to clear from dirty side 12
The flowing of clean side 13.
In the past, by-passing valve 11 is fully installed in screw-in filter element 4, and is therefore always needed in replacement
In the case of remove, this not only results in high cost, but also also results in the wasting of resources.
According to the present invention, therefore by-passing valve 11 is divided in such a way: spring 9' and valve piston 14 are arranged in screw thread
On boss 3, that is to say, that be arranged in filter stand 2, and the valve seat of by-passing valve 11 is only set on screw-in filter element 4
10 (and referring particularly to Fig. 3).Spring 9', valve piston 14 and valve seat 10 are formed together by-passing valve 11.On the one hand, there is root
According to the division of by-passing valve 11 of the invention between filter stand 2 and screw-in filter element 4, on the other hand, by-passing valve 11
Cost savings component (that is, spring 9' and valve piston 14), in replacement screw-in filter element 4 (that is, screw type
Replaceable filter) in the case where, it can be arranged in filter stand 2 and remain there and continue using together
Shi Qi only goes the valve seat 10 that comparative costs effectively manufactures together with screw-in filter element 4 in the case where replacing
Fall.
If valve piston 14 is more carefully checked, it can be seen that consist of the annulus with middle thereof opening 16
Piston, and thus make it possible to use in screw boss 3 for the first time.Middle thereof opening 16 forms subsequent in the present example
Cleaning passage 17.Valve seat 10 has annulus valve seat profile part 18, and dirty side 12 is separated with clean side 13, and connects at one end
It is connected to the base portion 6 of screw-in filter element 4, and in the inside that the other end is directed to screw-in filter element 4.Valve seat profile
Part 18 has at least one bypass 19 (referring particularly to Fig. 3) of opening in this example embodiment, (referring to fig. 2 and schemes in installation condition
3) the sealing configuration part 15 being disposed on valve piston 14 under is closed.This gives apparent benefit, since bypass opening 19 exists
Corresponding structure and related fields on valve seat profile part 18, the complementary sealing configuration part constituted especially on valve piston 14
15, so-called lock-key principle can be implemented, it means that the screw-in filter element 4 specially cooperated is screwed in relevant filtering
On device frame 2, and then equally work.If other screw-in filter elements are screwed, at least one bypass opening 19
It stays open, so that the permanent bypass stream that annular filter element 8 is bypassed flows through bypass opening 19 and prevents from being intended to by mistake
The reliable filtering of the fluid of filter.Each bypass opening 19 can have very different geometry in this example embodiment, wherein
In this example embodiment therefore relevant sealing configuration part 15 has complementary geometry, to reliably close in the mounted state
Bypass opening 19.
If the pressure at dirty side 12 increases during the operation of filter device 1, due to for example in the scheduled limit
More than value low temperature as a result, pressed to the right according to Fig. 3 to it by 19 pressure of bypass opening to the fluid on valve piston 14, with
This opens bypass opening 19.As long as the power as caused by the pressure of fluid to be filtered is greater than the elastic force of spring 9', bypass is opened
Mouth 19 stays open, and the spring 9' resists valve seat 10 and is tightened against bypass opening 19 and answers the application of valve piston 14
Power.Typically, when installation screw-in filter element 4, or to screw-in during the assembling of screw-in filter element 4
When filter element 4 applies stress, the spring 9' of by-passing valve 11 is applied stress.
In beneficial development according to the technique and scheme of the present invention, filter housing 7 is at least partly by sheet metal
It is formed, whereby can reliably absorb higher pressure.
The invention is intended to not only protect entire filter device 1, but also separately protected screw-in filter element 4, the rotation
Enter formula filter element 4 including on filter housing 7, the annular filter element 8 and base portion 6 that are arranged in the filter housing 7
Screw type sleeve 5 and valve seat 10.Valve seat 10 is medially arranged in this example embodiment, and having will be in filter housing 7
The valve seat profile part 18 of dirty side 12 annulus isolated with clean side 13.Valve seat profile part 18 transfers to be connected to screw-in at one end
The base portion 6 of filter element 4, and in the inside that the other end is directed into screw-in filter element 4.In the valve seat profile part 18
On, that is to say, that on valve seat 10, it is provided at least one bypass opening 19 in this example embodiment, at least one described bypass is opened
Mouth 19 is closed by the valve piston 14 then abutted with it in the mounted state, or is closed by the sealing configuration part 15 of valve piston 14
It closes.
In general, passing through filter device 1 according to the present invention and screw-in filter element 4, Neng Goushi according to the present invention
The segmentation and its segmentation in filter stand 2 and screw-in filter element 4 of existing two by-passing valves 11, this is screwed in compared to the past
The complete arrangement of by-passing valve 11 in formula filter element 4 can be realized the spring 9''s of valve piston 14 and relevant by-passing valve 11
It recycles or further utilizes.
Claims (11)
1. a kind of filter device (1),
Having filter stand (2), the filter stand has screw boss (3),
Have screw-in filter element (4), the screw-in filter element can be screwed onto described by screw shell (5)
In screw boss (3), and there is the annular filter element (8) being securely arranged in filter housing (7), and wherein institute
Screw shell (5) is stated to be securely connected to the screw-in filter element (4),
There is the by-passing valve (11) for bypassing the annular filter element (8),
It is characterized in that
The by-passing valve (11) have spring (9'), the valve seat (10) of the valve piston of annulus (14) and annulus, wherein the bullet
(9') spring is arranged on the screw boss (3) with the valve piston (14), and the valve seat (10) is arranged in the screw-in
On formula filter element (4).
2. filter device according to claim 1,
It is characterized in that
The valve piston (14) is configured to the piston of the annulus with the pass through openings (16) placed in the middle for forming cleaning passage (17).
3. filter device according to claim 1 or 2,
It is characterized in that
The valve seat (10) has the valve seat profile part (18) for the annulus for separating dirty side (12) with clean side (13).
4. filter device according to claim 3,
It is characterized in that
The valve seat profile part (18) is connected to the base portion (6) of the screw-in filter element (4) at one end, and in the other end
It is directed into the inside of the screw-in filter element (4).
5. filter device according to claim 3 or 4,
It is characterized in that
The valve seat profile part (18) has at least one bypass opening (19).
6. filter device according to any one of claim 3 to 5,
It is characterized in that
The valve piston (14) has sealing configuration part (15), and the sealing configuration part is configured to be open (19) mutually with the bypass
It mends, and is turned off in the mounted state.
7. filter device according to any one of the preceding claims,
It is characterized in that
The filter housing (7) is at least partly made of sheet metal.
8. filter device according to claim 7,
It is characterized in that
The filter device (1) is configured to oil strainer or diesel fuel filter.
9. filter device according to any one of the preceding claims,
It is characterized in that
When installing screw-in filter element (4), the spring of the by-passing valve (11) is (9') applied stress.
10. one kind is used for the screw-in filter element (4) of filter device according to any one of the preceding claims (1),
Have filter housing (7), the filter housing, which has, is securely connected to it, for filtering the screw-in
Element (4) is screwed to the screw shell (5) in the screw boss (3) of filter stand (2),
Valve seat (10) placed in the middle, annulus with by-passing valve (11), the valve seat profile part (18) with annulus, the valve
Seat profile elements separate dirty side (12) and clean side (13), and are connected to the screw-in filter element (4) at one end
Base portion (6), and in the inside that the other end is directed to the screw-in filter element (4).
11. screw-in filter element according to claim 10,
It is characterized in that
The valve seat profile part (18) has at least one pent bypass opening (19) in the mounted state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018204255.1A DE102018204255A1 (en) | 2018-03-20 | 2018-03-20 | filtering device |
| DE102018204255.1 | 2018-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110302572A true CN110302572A (en) | 2019-10-08 |
Family
ID=67848395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910159345.4A Pending CN110302572A (en) | 2018-03-20 | 2019-03-04 | Filter device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110302572A (en) |
| DE (1) | DE102018204255A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4154961A1 (en) * | 2021-09-24 | 2023-03-29 | Collins Engine Nozzles, Inc. | Filter valve assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030127384A1 (en) * | 2002-01-09 | 2003-07-10 | Desh Kapur | Filter module for aircraft lubrication systems |
| US20080083664A1 (en) * | 2006-10-09 | 2008-04-10 | Bontaz Centre | Oil bypass device, and engine fitted with such a device |
| CN202176385U (en) * | 2011-08-11 | 2012-03-28 | 温州新星滤清器有限公司 | Spin-on type oil filter |
| CN203499762U (en) * | 2013-10-30 | 2014-03-26 | 瑞安市鸿锐汽配有限公司 | Environment-friendly easily-replaced oil filter |
| CN206785446U (en) * | 2017-03-29 | 2017-12-22 | 索格菲（苏州）汽车部件有限公司 | The oil strainer of engine |
| CN107530600A (en) * | 2015-03-19 | 2018-01-02 | Hydac过滤技术有限公司 | Filter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3235085A (en) * | 1962-01-08 | 1966-02-15 | Wix Corp | Filter unit having dual purpose valve assembly |
| US3184062A (en) * | 1962-02-27 | 1965-05-18 | Wix Corp | Filter unit |
| US5037539A (en) | 1989-05-08 | 1991-08-06 | Allied-Signal Inc. | Liquid filter with bypass passage |
| DE9411212U1 (en) | 1994-07-13 | 1994-09-01 | Ing. Walter Hengst GmbH & Co KG, 48147 Münster | Liquid filter |
| DE19605425C2 (en) | 1995-03-16 | 1998-07-23 | Hengst Walter Gmbh & Co Kg | Liquid filter with filter bypass valve and sealing surface on the filter element side |
-
2018
- 2018-03-20 DE DE102018204255.1A patent/DE102018204255A1/en not_active Withdrawn
-
2019
- 2019-03-04 CN CN201910159345.4A patent/CN110302572A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030127384A1 (en) * | 2002-01-09 | 2003-07-10 | Desh Kapur | Filter module for aircraft lubrication systems |
| US20080083664A1 (en) * | 2006-10-09 | 2008-04-10 | Bontaz Centre | Oil bypass device, and engine fitted with such a device |
| CN202176385U (en) * | 2011-08-11 | 2012-03-28 | 温州新星滤清器有限公司 | Spin-on type oil filter |
| CN203499762U (en) * | 2013-10-30 | 2014-03-26 | 瑞安市鸿锐汽配有限公司 | Environment-friendly easily-replaced oil filter |
| CN107530600A (en) * | 2015-03-19 | 2018-01-02 | Hydac过滤技术有限公司 | Filter |
| CN206785446U (en) * | 2017-03-29 | 2017-12-22 | 索格菲（苏州）汽车部件有限公司 | The oil strainer of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018204255A1 (en) | 2019-09-26 |
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