CN107965409A - A kind of fuel injector of band filtering inner core - Google Patents
A kind of fuel injector of band filtering inner core Download PDFInfo
- Publication number
- CN107965409A CN107965409A CN201711162373.9A CN201711162373A CN107965409A CN 107965409 A CN107965409 A CN 107965409A CN 201711162373 A CN201711162373 A CN 201711162373A CN 107965409 A CN107965409 A CN 107965409A
- Authority
- CN
- China
- Prior art keywords
- strainer
- filter
- oil
- grit number
- fillet
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/165—Filtering elements specially adapted in fuel inlets to injector
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of fuel injector of band filtering inner core, belong to automobile fuel injector field, the injector nozzle matching parts being connected including oil injector body and with oil injector body head, the first oil inlet passage and the first oil discharge passage are equipped with oil injector body, oil discharge passage is communicated with shoe cream room, oil discharge passage is communicated with oil return pipe, shoe cream room lower end is communicated with filter mechanism, filter mechanism includes filter chamber and is connected with shoe cream room lower end and be fixed on the first filter of filter chamber upper surface, it is conical secondary filter and three-level strainer to be equipped with successively from top to bottom below the first filter, three-level strainer lower end connects the second oil discharge passage, second oil discharge passage is connected with the second oil inlet passage；The base angle of secondary filter and three-level strainer is correspondingly provided with the first strainer fillet and the second strainer fillet of annular and circular in cross-section respectively.The present invention can realize the automatic cleaning of the residual impurity filtered in fuel injector, thoroughly prevent worker because of the problem of carrying out frequent dismounting and change filter core.
Description
Technical field
The present invention relates to automobile fuel injector field, is specifically related to a kind of fuel injector of band filtering inner core.
Background technology
In order to ensure the continual work of diesel engine, the fuel oil come out from fuel tank must carry out filtration treatment, filter out oil
Impurity in liquid, if impurity enters inside fuel injector, fuel injector couple is easy to wear or needle-valve blocks, and influences oil spout
The reliability and service life of device, interior pass through of injector assembly common at present set clearance type filter in oil connection
(also referred to as filter core) filters the impurity in fluid, and some sets clearance type filter in the fuel feed hole in oil injector body
Filter impurity, the principle of clearance type filter be between clearance type filter and the cavity wall of its storage chamber there are one it is narrow and small between
Gap, at 0.06-0.15 millimeter, fluid can be from the gap by that can be caught in the groove of clearance type filter and impurity in the gap
It is interior, therefore impurity will not be flowed into injector nozzle matching parts with fluid, therefore there is impurity in filtering fluid, but this kind
Clearance type filter is located inside fuel injector, during replacement very trouble, it is necessary to dismantle fuel injector after could take out filter, because
All it is stuck in gap therefore is difficult to clean up for impurity, also filter storage chamber is cleaned at the same time after taking-up, because cavity wall
On remain many trickle impurity, impurity is probably as cavity wall enters in injector nozzle matching parts in scale removal process, so as to make
Phenomena such as being blocked into injector nozzle matching parts abrasion, needle-valve, seriously affects the performance and service life of fuel injector, whole dismounting,
The process of installation is also time-consuming, laborious.
Chinese patent Authorization Notice No.：CN201560879U, authorized announcement date August in 2010 25 days, discloses a kind of spray
Oily device clearance type filter, including oil injector body, oil injector body is interior to be equipped with oil flow channel, and one end of oil flow channel is oil inlet
Mouthful, the other end of the oil flow channel is oil outlet, filter core is provided with oil flow channel, filter core is close to the oil inlet side
Cylinder is equipped with oil inlet longitudinal direction oil groove, and cylinder of the filter core close to the fuel injector oil outlet side is equipped with fuel-displaced longitudinal oil groove, oil inlet
Longitudinal oil groove and fuel-displaced longitudinal oil groove mutual dislocation, the inner cavity clearance fit of filter core and the oil injector body.Pass through filter core
With the gap of oil injector body inner cavity, the impurity for making some small is stayed in oil groove, achievees the purpose that filtering, and can extend fuel injector
Service life.Chinese patent Authorization Notice No.：CN2430552Y, authorized announcement date on May 16th, 2001, discloses a kind of bavin
The fuel injector with clearance type filter that oil machine uses, is made of high-pressure oil pipe joint, oil duct, compression spring, fuel injector mouth, its
It is characterized in that a filter core is installed in high-pressure oil pipe joint inner cavity, in each road of milling 2-5 in the cylinder both ends longitudinal direction oil groove of filter core, longitudinal direction
Oil groove leads to not to the end, mutual sequence, and filter core both ends are interference fitted with joint housing, between having between filter core skirt section and joint housing
Gap, gap are 0.06-0.15 millimeter.Clearance type filter, further filtering oil are set inside fuel injector high-pressure oil pipe joint
Impurity in road, ensures fuel injector normal work.The filter of above two structure is all clearance type filter, and is all set
Inside fuel injector or oil connection, when replacement, needs to dismantle fuel injector, therefore replacement process is very cumbersome, clearance type filtering
Device is difficult cleaning after taking out, while impurity is remained in the cavity wall of filter storage chamber, and scale removal process somewhat imprudence is just held very much
Phenomena such as easily impurity is got in injector nozzle matching parts, causes injector nozzle matching parts abrasion, needle-valve to block, seriously affects fuel injector
Can, while filter is to also need to dismounting injector assembly when taking out gap, whole process is very time-consuming, laborious.
The content of the invention
1. technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of fuel injector of band filtering inner core, it can be by institute in fuel injector
The realization of the residual impurity of filtering is cleared up automatically, has thoroughly prevented worker because of the problem of carrying out frequent dismounting and change filter core, so that
Efficiently solve the technical problem that above-mentioned background is previously mentioned.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that：
A kind of fuel injector of band filtering inner core, including oil injector body and the injector nozzle matching parts that is connected with oil injector body head,
The first oil inlet passage and the first oil discharge passage are equipped with the oil injector body, the oil discharge passage is communicated with shoe cream room, described
Oil discharge passage is communicated with oil return pipe, and the shoe cream room lower end is communicated with filter mechanism, the filter mechanism include filter chamber and
Connected with shoe cream room lower end and be fixed on the first filter of the filter chamber upper surface, below the first filter from top to bottom according to
It is secondary be equipped be cone secondary filter and three-level strainer, the three-level strainer lower end connects the second oil discharge passage, described the
Two oil discharge passages are connected with the second oil inlet passage；The base angle of the secondary filter and three-level strainer is correspondingly provided with annular and horizontal stroke respectively
Section rounded the first strainer fillet and the second strainer fillet, the level of the first strainer fillet round heart along where crossing it
The grit number of diameter upper part is equal to the grit number of the first filter, the water of the first strainer fillet round heart along where crossing it
The grit number of straight footpath end portion is equal to the grit number of secondary filter, and the first strainer fillet round heart along where crossing it
Horizontal diameter end portion periphery be equipped with connection filter chamber inner ring strainer, the grit number of the inner ring strainer and secondary filter
Identical, the first strainer fillet horizontal diameter upper part periphery of the round heart along where crossing it is equipped with filtering exocoel, described
The bottom surface of filtering exocoel is equipped with outer shroud strainer, and the outer shroud strainer lower end is equipped with the second filtering exocoel of connection filter chamber, described
Second strainer fillet grit number of the horizontal diameter upper part of the round heart along where crossing it is equal to the grit number of secondary filter, institute
State the grit number and three-level strainer and outer shroud strainer of the second strainer fillet horizontal diameter end portion of the round heart along where crossing it
Grit number all same, the grit number of the three-level strainer, secondary filter and inner ring strainer successively decreases successively, and the filtering exocoel is also
Filter residue passage is communicated with, the filter residue passage is equipped with spring check valve.
Preferably, the grit number of the first filter is between 50-70 mesh.
Preferably, the grit number of the secondary filter is between 120-170 mesh.
Preferably, the grit number of the three-level strainer is between 200-260 mesh.
Preferably, the circle centre position of the first filter is fixed on the vertex of the conical secondary filter.
Preferably, it is fixedly connected with connecting rod between the vertex of the secondary filter and three-level strainer.
3. beneficial effect
The present invention effectively can be discharged the residual impurity that secondary filter and three-level strainer are filtered out by filter residue passage, real
The automatic cleaning of the residual impurity filtered in existing fuel injector, has thoroughly prevented worker because carrying out frequent dismounting and change filter core, clearly
Filter wash core and greatly reduce the generation of production efficiency phenomenon, and avoid frequent shutdown replace and cleaning operation, moreover it is possible to have
Limit ensures the cleaning of filter chamber.The present invention can effectively prevent residual impurity in scale removal process and cause atomizer into injector nozzle matching parts
The beneficial effect of matching part abrasion, needle-valve stuck phenomenon.
Brief description of the drawings
Fig. 1 is the structure diagram for the fuel injector that a kind of band of the present invention filters inner core；
Fig. 2 is the structure diagram that a kind of band of the present invention filters filter mechanism in the fuel injector of inner core；
Fig. 3 is the partial enlargement structural representation that a kind of band of the present invention filters A in the fuel injector of inner core.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment
A kind of fuel injector of band filtering inner core as shown in Figs. 1-3, including oil injector body 1 and be connected with oil injector body head
Injector nozzle matching parts 5, is equipped with the first oil inlet passage 2 and the first oil discharge passage 3, the oil discharge passage 2 in the oil injector body 1
Shoe cream room 7 is communicated with, the oil discharge passage 3 is communicated with oil return pipe 6, and 7 lower end of shoe cream room is communicated with filter mechanism 4, described
Filter mechanism 4 includes filter chamber and is connected with 7 lower end of shoe cream room and be fixed on the first filter 11 of the filter chamber upper surface,
The lower section of the first filter 11 is from top to bottom successively equipped with the secondary filter 42 and three-level strainer 43 for being cone, the three-level
43 lower end of strainer connects the second oil discharge passage 12, and second oil discharge passage 12 is connected with the second oil inlet passage 10；The two level
The base angle of strainer 42 and three-level strainer 43 is correspondingly provided with the first strainer fillet 48 and second of annular and circular in cross-section respectively
Strainer fillet 49, the first strainer fillet 48 grit number of the horizontal diameter upper part of the round heart along where crossing it are equal to one
The grit number of level strainer 11, the grit number of the first strainer fillet 48 horizontal diameter end portion of the round heart along where crossing it
Equal to the grit number of secondary filter 42, and the horizontal diameter end portion of the first strainer fillet 48 round heart along where crossing it
Periphery is equipped with the inner ring strainer 41 of connection filter chamber, and the inner ring strainer 41 is identical with the grit number of secondary filter 42, and described the
One strainer fillet 48 horizontal diameter upper part periphery of the round heart along where crossing it is equipped with filtering exocoel 46, the filtering exocoel
46 bottom surface is equipped with outer shroud strainer 45, and 45 lower end of outer shroud strainer is equipped with the second filtering exocoel 47 of connection filter chamber, described
Second strainer fillet 49 grit number of the horizontal diameter upper part of the round heart along where crossing it is equal to the sieve mesh of secondary filter 42
Number, the second strainer fillet 49 along where crossing it grit number of horizontal diameter end portion of the round heart and three-level strainer 43 and
The grit number all same of outer shroud strainer 45, the grit number of the three-level strainer 43, secondary filter 42 and inner ring strainer 41 are passed successively
Subtract, the filtering exocoel 46 is also communicated with filter residue passage 8, and the filter residue passage 8 is equipped with spring check valve 9.
In the present embodiment, the grit number of the first filter 11 is between 50-70 mesh.
In the present embodiment, the grit number of the secondary filter 42 is between 120-170 mesh.
In the present embodiment, the grit number of the three-level strainer 43 is between 200-260 mesh.
In the present embodiment, the circle centre position of the first filter 11 is fixed on the vertex of the conical secondary filter 42.
In the present embodiment, it is fixedly connected with connecting rod 44 between the vertex of the secondary filter 42 and three-level strainer 43.
The specific work process of the fuel injector of above-mentioned band filtering inner core is：
(1) after starting fuel injector, the fluid with impurity enters shoe cream room 7 by the first oil inlet passage 2, oil in shoe cream room 7
Liquid is entered back into filter mechanism 4 and filtered；
(2) fluid with impurity enters the filter chamber in filter mechanism 4 through the first filter 11 first, and subsequent fluid is through two
Level strainer 42, which is realized, once to be filtered, and fluid is divided into particle diameter filters more than the fluid and particle diameter of 42 grit number of secondary filter less than two level
42 grit number oil residue one of net；Then fluid is divided into fluid of the particle diameter more than 42 grit number of secondary filter again through three-level strainer 43
Filtering, fluid is divided into particle diameter and is less than 43 grit number of three-level strainer more than the pure fluid and particle diameter of 43 grit number of three-level strainer
Oil residue two；The pure fluid that particle diameter is more than 43 grit number of three-level strainer enters the second oil discharge passage 12, finally flows into oil spout
In mouth couple 5.Wherein, since secondary filter 42 and three-level strainer 43 are cone, oil flow is very fast, and filtering is also very fast,
When secondary filter 42 is filtered, particle diameter is less than 42 grit number oil residue one of secondary filter and flows into the first strainer fillet along taper
When 48, due to the impact force of fluid, the fluid that particle diameter is more than 42 grit number of secondary filter flows through 42 and first strainer of secondary filter
The horizontal diameter end portion of the round heart along where crossing it of fillet 48, and by inner ring strainer 41 of the grit number equal to secondary filter 42
Into between secondary filter 42 and three-level strainer 43, moreover it is possible to guarantee through secondary filter 42 but cannot pass through three-level strainer 43
Impurity can flow into filtering exocoel 46；And particle diameter is less than 42 grit number oil residue one of secondary filter and cannot be worn since particle diameter is larger
Secondary filter 42 is crossed, and upset vortex is produced in the first rounded strainer fillet 48 of section, and is equal to level-one from grit number
First strainer fillet 48 of strainer 11 horizontal diameter upper part periphery of the round heart along where crossing it flows into filtering exocoel 46.Together
Sample, when particle diameter is less than 43 grit number oil residue two of three-level strainer along taper the second strainer fillet 49 of inflow, due to fluid
Impact force, the fluid that particle diameter is more than 43 grit number of three-level strainer flow through 43 and second strainer fillet 49 of three-level strainer along its place excessively
The horizontal diameter end portion of the round heart, and the outer shroud strainer 45 of three-level strainer 43 is equal to through the second filtering exocoel 47 by grit number
Into the second oil discharge passage 12；And the oil residue remained in the first filtering exocoel 46 include cannot pass through secondary filter 42,
First strainer fillet 48 along where crossing it horizontal diameter end portion of the round heart, cannot pass through 43 and second strainer of three-level strainer
The oil residue of the horizontal diameter end portion of the round heart along where crossing it of fillet 49, reaches one in the partial impurities oil liquid pressure
Determine degree, jack up spring controlled flap in spring check valve 9, impurity fluid is exported by filter residue passage 8.It is achieved thereby that
The automatic cleaning of impurity fluid, after pressure disappears, spring force depresses flap, and sealing liquid is flow backwards.
(3) first oil discharge passages 3 are connected with oil return pipe 6, unnecessary fuel oil can will be recycled by oil return pipe 6, kept away
Exempt to waste.
It can be seen from the above, the residual impurity that secondary filter and three-level strainer are filtered out effectively can be passed through filter residue by the present invention
Passage is discharged, and is realized the automatic cleaning of the residual impurity filtered in fuel injector, has thoroughly been prevented worker because frequently being dismantled
Filter core is replaced, filter core is cleaned and greatly reduces the generation of production efficiency phenomenon, and avoids what frequent shutdown was replaced and cleaned
Operation, moreover it is possible to the cleaning of limited guarantee filter chamber.The present invention can effectively prevent residual impurity in scale removal process and enter fuel injection nozzle matching
Part causes injector nozzle matching parts abrasion, the beneficial effect of needle-valve stuck phenomenon.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all fall in scope of the presently claimed invention.
Claims (6)
1. a kind of fuel injector of band filtering inner core, including oil injector body (1) and the injector nozzle matching parts being connected with oil injector body head
(5), the first oil inlet passage (2) and the first oil discharge passage (3) are equipped with the oil injector body (1), the oil discharge passage (2) is even
Shoe cream room (7) is connected with, the oil discharge passage (3) is communicated with oil return pipe (6), it is characterised in that shoe cream room (7) the lower end connection
There is filter mechanism (4), the filter mechanism (4) includes filter chamber and connected with shoe cream room (7) lower end and be fixed on the mistake
The first filter (11) of filter chamber upper surface, it is conical two level that the first filter (11) lower section is equipped with successively from top to bottom
Strainer (42) and three-level strainer (43), three-level strainer (43) lower end connect the second oil discharge passage (12), and described second is fuel-displaced
Passage (12) is connected with the second oil inlet passage (10)；Correspondence is set respectively at the base angle of the secondary filter (42) and three-level strainer (43)
There are the first strainer fillet (48) and the second strainer fillet (49) of annular and circular in cross-section, the first strainer fillet (48)
Grit number of horizontal diameter upper part of round heart along where crossing it is equal to the grit number of the first filter (11), first filter
Net fillet (48) grit number of the horizontal diameter end portion of the round heart along where crossing it is equal to the grit number of secondary filter (42),
And the first strainer fillet (48) horizontal diameter end portion periphery of the round heart along where crossing it is equipped with connection filter chamber
Inner ring strainer (41), the inner ring strainer (41) is identical with the grit number of secondary filter (42), the first strainer fillet (48)
Horizontal diameter upper part periphery of round heart is equipped with filtering exocoel (46), the bottom surface of the filtering exocoel (46) along where crossing it
Equipped with outer shroud strainer (45), outer shroud strainer (45) lower end is equipped with the second filtering exocoel (47) of connection filter chamber, and described the
Two strainer fillets (49) grit number of the horizontal diameter upper part of the round heart along where crossing it is equal to the sieve of secondary filter (42)
Mesh number, the grit number and three-level strainer of the second strainer fillet (49) horizontal diameter end portion of the round heart along where crossing it
(43) and outer shroud strainer (45) grit number all same, the three-level strainer (43), secondary filter (42) and inner ring strainer (41)
Grit number successively decrease successively, it is described filtering exocoel (46) be also communicated with filter residue passage (8), the filter residue passage (8) is equipped with bullet
Spring formula check valve (9).
2. the fuel injector of a kind of band filtering inner core according to claim 1, it is characterised in that the first filter (11)
Grit number is between 50-70 mesh.
3. the fuel injector of a kind of band filtering inner core according to claim 1, it is characterised in that the secondary filter (42)
Grit number is between 120-170 mesh.
4. the fuel injector of a kind of band filtering inner core according to claim 1, it is characterised in that the three-level strainer (43)
Grit number between 200-260 mesh.
A kind of 5. fuel injector of band filtering inner core according to claim 1, it is characterised in that the conical two level filter
The circle centre position of the first filter (11) is fixed on the vertex of net (42).
A kind of 6. fuel injector of band filtering inner core according to claim 1, it is characterised in that the secondary filter (42) and
Connecting rod (44) is fixedly connected between the vertex of three-level strainer (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711162373.9A CN107965409B (en) | 2017-11-21 | 2017-11-21 | Oil sprayer with filtering inner core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711162373.9A CN107965409B (en) | 2017-11-21 | 2017-11-21 | Oil sprayer with filtering inner core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107965409A true CN107965409A (en) | 2018-04-27 |
| CN107965409B CN107965409B (en) | 2020-12-04 |
Family
ID=62000303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711162373.9A Active CN107965409B (en) | 2017-11-21 | 2017-11-21 | Oil sprayer with filtering inner core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107965409B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5238192A (en) * | 1991-12-18 | 1993-08-24 | Siemens Automotive L.P. | Filter for solenoid operated fluid metering devices |
| CN1122626A (en) * | 1993-05-03 | 1996-05-15 | 美国西门子汽车公司 | Filter cartridge mounting for a top-feed fuel injector |
| JP2004308594A (en) * | 2003-04-09 | 2004-11-04 | Denso Corp | Fuel injection valve |
| CN102297064A (en) * | 2011-07-29 | 2011-12-28 | 山东鑫亚工业股份有限公司 | Fuel injector with fuel oil filter |
| CN202451337U (en) * | 2011-12-30 | 2012-09-26 | 成都威特电喷有限责任公司 | Tower type trap filter for electronic-control fuel injector |
| CN102877997A (en) * | 2012-08-23 | 2013-01-16 | 浙江福仕德燃油喷射系统有限公司 | Oil sprayer with filter structure |
| CN107152361A (en) * | 2017-07-03 | 2017-09-12 | 东莞市盈森汽车电喷科技有限公司 | The spacing adjustment pipe of fuel injector and filter screen integrative-structure |
-
2017
- 2017-11-21 CN CN201711162373.9A patent/CN107965409B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5238192A (en) * | 1991-12-18 | 1993-08-24 | Siemens Automotive L.P. | Filter for solenoid operated fluid metering devices |
| CN1122626A (en) * | 1993-05-03 | 1996-05-15 | 美国西门子汽车公司 | Filter cartridge mounting for a top-feed fuel injector |
| JP2004308594A (en) * | 2003-04-09 | 2004-11-04 | Denso Corp | Fuel injection valve |
| CN102297064A (en) * | 2011-07-29 | 2011-12-28 | 山东鑫亚工业股份有限公司 | Fuel injector with fuel oil filter |
| CN202451337U (en) * | 2011-12-30 | 2012-09-26 | 成都威特电喷有限责任公司 | Tower type trap filter for electronic-control fuel injector |
| CN102877997A (en) * | 2012-08-23 | 2013-01-16 | 浙江福仕德燃油喷射系统有限公司 | Oil sprayer with filter structure |
| CN107152361A (en) * | 2017-07-03 | 2017-09-12 | 东莞市盈森汽车电喷科技有限公司 | The spacing adjustment pipe of fuel injector and filter screen integrative-structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107965409B (en) | 2020-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2602472B1 (en) | Fuel filter of an internal combustion engine and filter element of a fuel filter | |
| CN210278593U (en) | Novel shaft type self-cleaning filter | |
| CN102877997B (en) | Oil sprayer with filter structure | |
| CN206045530U (en) | Spinning liquid cross-flow filter and filtration system | |
| CN208641949U (en) | A kind of novel precision filter | |
| CN102297064A (en) | Fuel injector with fuel oil filter | |
| CN100384505C (en) | Intelligent differential pressure type filter capable of cleaning filter core by high-pressure water | |
| CN107965409A (en) | A kind of fuel injector of band filtering inner core | |
| CN210278594U (en) | Easy abluent filter | |
| DE102015003163A1 (en) | Fuel filter element and fuel filter with a front and a main filter element and with a Wasserabscheideeinheit | |
| CN216125362U (en) | Self-cleaning air filtering device | |
| CN114856496A (en) | Cyclone filtering integrated sand remover | |
| CN109653709A (en) | A kind of annular space cavitation jet washer | |
| CN205461313U (en) | High pressure angie type filter | |
| CN209196185U (en) | A kind of ball-and-seat | |
| CN209138103U (en) | Mining water supply back-flushing filtering device | |
| CN203577436U (en) | High-pressure online combustion filter of coal water slurry | |
| CN207478827U (en) | A kind of antipollution high-pressure fine water mist nozzle | |
| CN113982800B (en) | Marine diesel engine fuel oil Filter and filtering method | |
| CN205759997U (en) | Defecator | |
| RU49103U1 (en) | FILTER ANTI-SAND | |
| CN210217955U (en) | High-efficient whirl filter | |
| CN107830394A (en) | A kind of lubricating oil filter | |
| CN217990181U (en) | Grit separator of grain cleaning equipment | |
| CN212384602U (en) | High-pressure water atomization metal powder slurrying system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201113 Address after: 234000 Economic Development Zone, suling County, Anhui Province Applicant after: Lingbi Haoxiang Information Technology Co., Ltd Address before: 252000 No. 19 North Yanshan Road, Liaocheng Development Zone, Shandong Applicant before: Liaocheng Kerui Auto Parts Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |