CN106362460A - Improved, detachable and rotatably-installed filter and fluid filtration method thereof - Google Patents
Improved, detachable and rotatably-installed filter and fluid filtration method thereof Download PDFInfo
- Publication number
- CN106362460A CN106362460A CN201610901083.0A CN201610901083A CN106362460A CN 106362460 A CN106362460 A CN 106362460A CN 201610901083 A CN201610901083 A CN 201610901083A CN 106362460 A CN106362460 A CN 106362460A
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- China
- Prior art keywords
- filter
- cylinder
- coupling head
- filter element
- hole
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 18
- 238000001914 filtration Methods 0.000 title claims abstract description 6
- 230000008878 coupling Effects 0.000 claims abstract description 67
- 238000010168 coupling process Methods 0.000 claims abstract description 67
- 238000005859 coupling reaction Methods 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000000446 fuel Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- 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
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
-
- 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
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- 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
- B01D37/00—Processes of filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/046—Controlling the filtration by pressure measuring
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to an improved, detachable and rotatably-installed filter which comprises a filter shell, a coupling head, a filter element and a by-pass valve, wherein a sealing gasket is arranged between the coupling head and the filter shell; the cross section of the coupling head is T-shaped, and the coupling head comprises a first barrel body arranged at the upper side and a second barrel body arranged at the lower side; the outer diameter of the first barrel body is greater than that of the second barrel body; the center of the coupling head is provided with a center hole; the middle lower part of the center hole is provided with the by-pass valve; the first barrel body is vertically provided with a plurality of oil inlets; the oil inlets are formed in the periphery of the outer side of the center hole; the second barrel body is transversely provided with a plurality of through holes communicated with the center hole; the second barrel body extends to the middle lower part of the filter shell; the filter element comprises a filter material and an end cover; the center of the filter element is provided with an inner hole, and the filter element sleeves the second barrel body by virtue of the inner hole. By virtue of adopting the structure, the improved, detachable and rotatably-installed filter is convenient to install and detach. The invention also discloses a fluid filtration method of the filter. The improved detachable rotatable filter is good in overflowing effect.
Description
Technical field
The invention belongs to art of filters, specifically, it is with regard to a kind of detachable rotary filter of modified model and its mistake
The method of filter fluid.
Background technology
Rotary filter is the cleaner kind with filter paper as filter material growing up nineteen seventies, rotary filter
Clear device compact conformation, lightweight, using reliability, maintaining is convenient, is widely used in electromotor and hydraulic system.According to existing
There is data incomplete statistics, using rotary filter more than 90% in automobile engine, using spinning on engineering machinery engine
Cleaner is also above 80%.
But rotary filter also has obvious defect, as shown in figure 1, rotary filter generally includes sealing ring 1, threaded cap
Plate 2, filter housing 3, filter element 4 and spring 5, described filter element 4 includes inner frame 42, bypass valve 43, filter material 41 and end cap 44, these zero
Part be all by riveting, welding, cementing by way of connect into an entirety.When filter element 4 blocks, rotary filter palpus is overall more
Change, so that the other parts originally being continuing with addition to filter material 41 is also replaced, cause greatly to waste, meanwhile, filter housing 3
The medium that interior federation residual is filtered, to environment after discarding.
In order to solve the above problems, Chinese patent cn2051117442u discloses a kind of detachable rotary filter, including
Filter housing 10, sealing gasket 11, coupling head 12 and the filter element 13 located at coupling head 12 lower section, described sealing gasket 11 is crushed on coupling head 12
And filter housing 10 between, coupling head 12 and filter housing 10 are threaded connection, and are provided with some fuel feed holes 14, center in described coupling head 12
Then it is provided with a centre bore 15, the both sides of described centre bore 15 are respectively provided with a counterbore 16, two counterbores 16 are symmetrical arranged and and centre bore
15 communicate, and are provided with a bypass valve 20 in described counterbore 16, and described filter element 13 includes end cap 131 and filter material 132, and pass through end cap
Screw thread on 131 is connected with coupling head 12, and the center of described filter element 13 is provided with an endoporus 133, and an inner frame 17 is arranged in connection
In 12 centre bore 15 and the endoporus 133 of filter element 13.But this patent there are the following problems:
1st, its installation and removal is inconvenient, during filter element replacing, needs first filter element 13 to be backed out from coupling head 12, if interior
Have on skeleton 17 and be carried out in addition it is also necessary to pull down inner frame 17 during pollutant；During installation, need for inner frame 17 to insert connection
12 centre bore 15, then filter element 13 is entangled inner frame 17, and by the screw thread on the end cap 131 of filter element 13 and coupling head 12
Screwed tight, it is complicated that it entirely mounts and dismounts process；
2nd, because bypass valve is arranged in the counterbore 16 of coupling head 12, lead to the volume of bypass valve less than normal, excessively stream effect is not
Enough ideals.
Therefore, it is necessary to designing, a kind of excessively stream effect is good, mount and dismount convenient rotary filter.
Content of the invention
It is an object of the invention to provide a kind of detachable rotary filter of modified model, installed with solving existing rotary filter
Inconvenient problem.
For achieving the above object, the present invention employs the following technical solutions:
A kind of detachable rotary filter of modified model, including filter housing, coupling head, filter element and bypass valve, described coupling head and
It is provided with a sealing gasket, coupling head and filter housing are connected by screw thread between filter housing,
The section of described coupling head is in t type, including the first cylinder located at top and the second cylinder located at lower section, described
The external diameter of the first cylinder is more than the external diameter of the second cylinder, and the center of described coupling head is provided with a centre bore, in described centre bore
Bottom is provided with described bypass valve, and the vertical of described first cylinder is provided with some fuel feed holes, and described fuel feed hole is located at centre bore
Outside surrounding, described second cylinder be transversely provided with some through holes, and described through hole is communicated with the centre bore of coupling head,
Second cylinder of described coupling head extends the middle and lower part of filter housing, and described filter element includes filter material and end cap, and the center of described filter element sets
There is an endoporus, and be set on the second cylinder of described coupling head by described endoporus.
According to the present invention, described bypass valve includes spring base, spring, valve gap and the valve seat arranging from top to bottom successively, institute
State the center in the hole that spring and valve gap are pressed in coupling head by valve seat and spring base, described valve seat is provided with two or more buckles,
The buckle of described valve seat is fastened and connected with the through hole on the second cylinder, and the inwall of described second cylinder is provided with a limiting section,
Described spring base, is resisted against on the limiting section of the second cylinder in spring under active force.
Further, the cross section of the through hole on described second cylinder is square, is easy to connect fixing with the buckle on valve seat
Connect.
Further, described limiting section is the annular boss of the inwall inside bending formation of the second cylinder.
Preferably, the buckle of described valve seat and the through hole of the bottom of the second cylinder are fastened and connected
According to the present invention, it is respectively provided with an o type circle above and below described filter element, is tightly connected by o type circle, filter element
Top is set on the second cylinder, and the lower section of filter element is set on valve seat.
According to the present invention, the end cap of described filter element and filter material are to be formed by bonding, and the filter element of bonding is non-disconnectable
The overall structure divided.
According to the present invention, the bottom of described filter housing is provided with a detector.
Further, described detector is pressure gauge or signalling generator.
A kind of method using rotary filter filtered fluid of the present invention, comprises the steps:
Fluid enters the cavity between filter housing and filter element from the fuel feed hole of coupling head, after filter element filtering, through coupling head
The second cylinder on through hole enter coupling head center in the hole, then again from centre bore flow out.
Further, when filter element blocks, when the pressure in cavity reaches the maximum pressure value that spring bears, in valve gap pressure-bearing
Go and compression spring is so that valve gap and valve seat are opened against the sealing surface being formed, fluid flows into the centre bore of coupling head, reaches
The function of bypass.
The detachable rotary filter of modified model of the present invention, its advantage is:
1st, its design is ingenious, both economically and environmentally beneficial: to change traditional rotary filter non-dismountable and then integral replacing
Drawback, due to detachable, filter element blocking only need to change filter element when safeguarding to the detachable rotary filter of modified model, and other parts are not required to
Change, reduce use cost, and, the part scrapped all can be classified recovery, both economically and environmentally beneficial.
2nd, coupling head act as the skeleton of filter element, and filter element itself does not have skeleton, and without individually arranging again inside filter element
Inner frame, it is only necessary to be set in filter element in coupling head during installation, during replacing, also only needs to directly take off filter element,
Make filter element installation and removal convenient；Simultaneously as coupling head reusable it is also possible to avoid conventional bowl skeleton with filter
The pattern that core is replaced together, therefore also has huge economic benefit.
3rd, the rotary filter of comparable size, the bypass valve filter area of the present invention is existing single bypass valve area
4 times, this can greatly improve oil flow resistance when bypass flow and reduction bypass, so that filter effect during bypass of fluid
Greatly improve.
4th, the processing and fabricating of modified model coupling head is simpler, and materials more save, and whole cost is existing 50% about.Specifically
It is embodied in: modified model rotary filter changes into coupling head center in the hole bypass valve position, make use of well in cleaner
Some spaces, it is to avoid the drawbacks of existing rotary filter thickeies coupling head top because of bypass valve, make the coupling head less
Ingeniously, the size of whole rotary filter is made also to reduce, save space material-saving, there is good economic benefit.
5th, the bypass valve assembling of modified model rotary filter is simpler, using more reliable；
6th, modified model filter element upper and lower ends lid is the same, all simple material-saving than existing upper and lower end cap, existing filter element upper
End cap is threaded, processed complex, high cost, and the whole cost of manufacture of modified model filter element saves 30% about than prototype filter element；
7th, the setting of detector, can accurate prompting changing filter element, break through electromotor and lean on mileage and the fuzzy control of time
Method, is conducive to ensureing the good operating mode of electromotor.
8th, because the model of rotary filter is numerous and diverse, demountable structure can allow the rotary filter that overall dimensions are closer to
The unified filter element using same specification, can greatly reduce the specification kind of filter element, be conducive to unified filter element model and industry standard.
Brief description
Fig. 1 is the sectional view of existing rotary filter；
Fig. 2 is the sectional view of existing detachable rotary filter；
Fig. 3 is the sectional view of the detachable rotary filter of modified model of the present invention.
Fig. 4 is the structural representation of the coupling head of the present invention.
Fig. 5 is the structural representation of the bypass valve of the present invention.
Specific embodiment
Below in conjunction with concrete accompanying drawing, the method for the detachable rotary filter of improvement of the present invention type and its filtered fluid is made
Further describe.
As shown in Figure 3 and Figure 4, it is the detachable rotary filter of a modification of the present invention type, including filter housing 5, coupling head
6th, filter element 7 and bypass valve 8, is provided with a sealing gasket 91 between described coupling head 6 and filter housing 5, and coupling head 6 and filter housing 5 pass through spiral shell
Stricture of vagina is connected,
The section of described coupling head 6 is in t type, including the first cylinder 61 located at top and the second cylinder located at lower section
62, the external diameter of described first cylinder 61 is more than the external diameter of the second cylinder 62, and the center of described coupling head 6 is provided with a centre bore 63,
The middle and lower part of described centre bore 63 is provided with described bypass valve, the first cylinder 61 of described coupling head 6 vertical be provided with some enter
Oilhole 611, and described fuel feed hole 611 is located at the outside surrounding of centre bore 63, the second cylinder 62 of described coupling head 6 is transversely
It is arranged at intervals with some through holes 621, and described through hole 621 is communicated with the centre bore 63 of coupling head 6, the second of described coupling head 6
Cylinder 62 extends the middle and lower part of filter housing 5, and described filter element 7 includes filter material 71 and end cap 72, and the center of described filter element 7 is provided with one
Hole, and be set on the second cylinder 62 of described coupling head 6 by described endoporus.
As shown in figure 5, described bypass valve 8 includes spring base 81, spring 82, valve gap 83 and the valve arranging from top to bottom successively
Seat 84, described spring 82 and valve gap 83 are pressed in the centre bore 63 of coupling head 6 by valve seat 84 and spring base 81, on described valve seat 84
It is provided with two or more buckles 841, the buckle 841 of described valve seat 84 is fastened and connected with the through hole 621 on the second cylinder 62, preferably
, the buckle 841 of described valve seat 84 is fastened and connected with the through hole 621 of the bottom of the second cylinder 62, described second cylinder 62
Inwall is provided with a limiting section 622, and described spring base 81 is resisted against the limit of the second cylinder 62 in spring 82 under active force
In position portion 622.
The cross section of the through hole 621 on described second cylinder 62 is square, is easy to connect fixing with the buckle 841 on valve seat 84
Connect.
Described limiting section 622 is the annular boss of the inwall inside bending formation of the second cylinder 62.
It is respectively provided with an o type circle 92 above and below described filter element 7, be tightly connected by o type circle 92, the top of filter element 7
It is set on the second cylinder 62, the lower section of filter element 7 is set on valve seat 84.
The end cap 72 of described filter element 7 and filter material 71 are formed by bonding, and the filter element of bonding can not be split
Overall structure.
The bottom of described filter housing 5 is provided with a detector 93, and described detector 93 is pressure gauge or signalling generator.
As shown in figure 3, the filled arrows of in figure represent filtered fluid, hollow arrow represents after filter element filtering
Fluid.
During the rotary filter filtered fluid of the present embodiment, comprise the steps:
Fluid enters the cavity between filter housing 5 and filter element 7 from the fuel feed hole 611 of coupling head 6, after filtering through filter element 7, passes through
Through hole 621 on second cylinder 62 of coupling head 6 enters in the centre bore 63 of coupling head 6, then flows out (such as from centre bore 63 again
Position and direction shown in figure hollow arrow).
Further, when filter element 7 blocks, during the setting value of pressure rise to detector 93, do not change filter element 7 in time,
Pressure continues to raise, and when reaching the maximum pressure value that spring 82 bears, valve gap 83 pressure-bearing is up and compression spring 82 is so that valve gap
83 and valve seat 84 against formed sealing surface be opened, fluid flow into coupling head 6 centre bore 63, reached bypass function.
Constantly block when filter element 7 is contaminated thing, the pressure of the cavity between filter housing 5 and filter element 7 constantly raises, when pressure reaches
To the setting of signalling generator or pressure gauge show that pressure reaches certain value when, point out filter element 7 to need to change.Now shut down, first
Rotary filter is backed out from main frame, then filter housing 5 and coupling head 6 are turned on, and filter element 7 is pulled up from coupling head 6, if connection
When having pollutant on 6 the second cylinder 62, can first be carried out；Then, new filter element 7 is set in the second of coupling head 6
On cylinder 62；Then sealing gasket 91 is placed between filter housing 5 and coupling head 6, then filter housing 5 and coupling head 6 are tightened；Finally,
By the centre bore screw thread of coupling head 6 rotary filter entirety spinning on main frame, whole filter element 7 more changes jobs and completes.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made.These improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. the detachable rotary filter of a kind of modified model, including filter housing, coupling head, filter element and bypass valve, described coupling head and filter
Be provided with a sealing gasket between shell, described coupling head and filter housing be connected by screw thread it is characterised in that
The section of described coupling head is in t type, including the first cylinder located at top and the second cylinder located at lower section, described first
The external diameter of cylinder is more than the external diameter of the second cylinder, and the center of described coupling head is provided with a centre bore, the middle and lower part of described centre bore
It is provided with described bypass valve, the vertical of described first cylinder is provided with some fuel feed holes, and described fuel feed hole is outer located at centre bore
Side surrounding, described second cylinder be transversely provided with some through holes, and described through hole is communicated with the centre bore of coupling head, described
Second cylinder extends the middle and lower part of filter housing, and described filter element includes filter material and end cap, and the center of described filter element is provided with an endoporus, and leads to
Cross described endoporus to be set on described second cylinder.
2. the detachable rotary filter of modified model as claimed in claim 1 it is characterised in that described bypass valve include successively by
Spring base, spring, valve gap and the valve seat top to bottm arranging, described spring and valve gap are pressed in coupling head by valve seat and spring base
Heart in the hole, described valve seat is provided with two or more buckles, and the buckle of described valve seat is fastened and connected with the through hole on the second cylinder,
The inwall of described second cylinder is provided with a limiting section, and described spring base is resisted against on the limiting section of the second cylinder by spring.
3. the detachable rotary filter of modified model as claimed in claim 2 is it is characterised in that through hole on described second cylinder
Cross section be square.
4. the detachable rotary filter of modified model as claimed in claim 2 is it is characterised in that described limiting section is the second cylinder
The inside bending of inwall formed annular boss.
5. the detachable rotary filter of modified model as claimed in claim 2 is it is characterised in that the buckle of described valve seat and second
The through hole of the bottom of cylinder is fastened and connected.
6. the detachable rotary filter of modified model as claimed in claim 2 is it is characterised in that above and below described filter element
It is respectively provided with an o type circle, is tightly connected by o type circle, the top of filter element is set on the second cylinder, and the lower section of filter element is set in valve
On seat.
7. the detachable rotary filter of modified model as claimed in claim 1 is it is characterised in that the end cap of described filter element and filter material
It is to be formed by bonding.
8. the detachable rotary filter of the modified model as described in any one of claim 1-7 is it is characterised in that the bottom of described filter housing
Portion is provided with a detector.
9. a kind of method of the rotary filter filtered fluid as described in any one as claim 1～8 is it is characterised in that fluid
Enter the cavity between filter housing and filter element from the fuel feed hole of coupling head, after filter element filtering, through on the second cylinder of coupling head
Through hole enter coupling head center in the hole, then again from centre bore flow out.
10. the method for rotary filter filtered fluid as claimed in claim 9 is it is characterised in that work as filter element blocking, in cavity
Pressure when reaching the maximum pressure value that spring bears, valve gap pressure-bearing is up and compression spring is so that valve gap and valve seat are against shape
The sealing surface becoming is opened, and fluid flows into the centre bore of coupling head, has reached the function of bypass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610901083.0A CN106362460B (en) | 2016-10-17 | 2016-10-17 | The detachable rotary filter of modified and its method for filtering fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610901083.0A CN106362460B (en) | 2016-10-17 | 2016-10-17 | The detachable rotary filter of modified and its method for filtering fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106362460A true CN106362460A (en) | 2017-02-01 |
| CN106362460B CN106362460B (en) | 2019-06-18 |
Family
ID=57895547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610901083.0A Expired - Fee Related CN106362460B (en) | 2016-10-17 | 2016-10-17 | The detachable rotary filter of modified and its method for filtering fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106362460B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09136003A (en) * | 1995-11-14 | 1997-05-27 | Toyo Roki Seizo Kk | Safety valve device of liquid filter |
| CN101699042A (en) * | 2007-07-23 | 2010-04-28 | 北京世珍一诺科技有限公司 | Combined type oil filter |
| CN204342739U (en) * | 2015-01-05 | 2015-05-20 | 青岛澳波环保科技有限责任公司 | A kind of oiling machine reverse oil filter purifier |
| CN105257366A (en) * | 2015-11-12 | 2016-01-20 | 上海朗境流体技术有限公司 | Detachable rotatably-mounted filter and fluid filtering method thereof |
| CN206198805U (en) * | 2016-10-17 | 2017-05-31 | 上海朗境流体技术有限公司 | The detachable rotary filter of modified |
-
2016
- 2016-10-17 CN CN201610901083.0A patent/CN106362460B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09136003A (en) * | 1995-11-14 | 1997-05-27 | Toyo Roki Seizo Kk | Safety valve device of liquid filter |
| CN101699042A (en) * | 2007-07-23 | 2010-04-28 | 北京世珍一诺科技有限公司 | Combined type oil filter |
| CN204342739U (en) * | 2015-01-05 | 2015-05-20 | 青岛澳波环保科技有限责任公司 | A kind of oiling machine reverse oil filter purifier |
| CN105257366A (en) * | 2015-11-12 | 2016-01-20 | 上海朗境流体技术有限公司 | Detachable rotatably-mounted filter and fluid filtering method thereof |
| CN206198805U (en) * | 2016-10-17 | 2017-05-31 | 上海朗境流体技术有限公司 | The detachable rotary filter of modified |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106362460B (en) | 2019-06-18 |
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