CN107261593A - A kind of quick change filter - Google Patents
A kind of quick change filter Download PDFInfo
- Publication number
- CN107261593A CN107261593A CN201710481261.3A CN201710481261A CN107261593A CN 107261593 A CN107261593 A CN 107261593A CN 201710481261 A CN201710481261 A CN 201710481261A CN 107261593 A CN107261593 A CN 107261593A
- Authority
- CN
- China
- Prior art keywords
- flange
- connector
- filter
- support frame
- umbrella shape
- 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
- 230000008859 change Effects 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000000712 assembly Effects 0.000 claims abstract description 21
- 238000000429 assembly Methods 0.000 claims abstract description 21
- 230000002787 reinforcement Effects 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01D29/17—Supported filter elements arranged for inward flow filtration open-ended the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
-
- 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
- B01D29/19—Supported filter elements arranged for inward flow filtration on solid frames with surface grooves or the like
-
- 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
- B01D29/23—Supported filter elements arranged for outward flow filtration
- B01D29/25—Supported filter elements arranged for outward flow filtration open-ended the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
-
- 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
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
- B01D29/56—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 multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—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 multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- 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
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
Abstract
The invention discloses a kind of quick change filter, including left connector, right connector and filter assemblies, one end of the left connector and right connector is provided with flange flange, and corresponding flange hole is provided with the flange flange of left connector and right connector, corresponding flange hole is connected by flange bolt component on two connectors, the junction of described two connectors is internally provided with filter assemblies, described filter assemblies are by umbrella shape frame, filter screen and strengthen supporting framework into, the two ends for strengthening support frame are respectively arranged with umbrella shape frame, and strengthen being provided with filter screen between the end of support frame and corresponding umbrella shape frame.The present invention is rational in infrastructure, by setting filter assemblies inside the junction of left connector and right connector, achieve that the pipeline of filter and both sides is connected simultaneously with die nut, the alternative part to damage carries out more sliding, reduce replacement cost, labyrinth sealing is realized using curved sealing ring, sealing is substantially increased.
Description
【Technical field】
The present invention relates to the technical field of filter, more particularly to a kind of quick change filter.
【Background technology】
In hydraulic system fluid medium play sealing between energy transmission, the mutual motor element of lubrication, moving component and
The effect of heat transfer, but pollutant is usually contaminated with fluid medium, including solid particle, water, air etc., to hydraulic system
Parts produce corrosive wear, abrasive wear and cavitation wear, it is especially maximum with the extent of injury of abrasive wear, subtract significantly
The short service life of hydraulic system, and effective removal means for the solid grain contamination in fluid are exactly to filter.When
It is completely plugged that hydraulic system is contaminated thing in cold-starting or filter core, and flow is when impacting, will production at the two ends of filter core
Give birth to very big pressure difference, it will the structure to filter core produces destruction.
Current hydraulic oil filter Renewal process is complex, and replacement cost is higher, and in order to solve problem above, having must
Propose a kind of quick change filter.
【The content of the invention】
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art there is provided a kind of quick change filter, it is aimed to solve the problem that
Hydraulic oil filter Renewal process is complex in the prior art, and the higher technical problem of replacement cost.
To achieve the above object, the present invention proposes a kind of quick change filter, including left connector, right connector and filtering
Component, described left connector and one end of right connector are provided with flange flange, and the method for left connector and right connector
Flange hole corresponding on corresponding flange hole, two connectors is provided with blue flange by flange bolt component to connect
Connect, the junctions of two described connectors is internally provided with filter assemblies, described filter assemblies are by umbrella shape frame, filter screen and add
The two ends of strong supporting framework into, described reinforcements support frame are respectively arranged with umbrella shape frame, and the end of reinforcement support frame with it is corresponding
Umbrella shape frame between be provided with filter screen, described filter assemblies, left connector and right connector three is coaxially disposed.
Preferably, described left connector and right connector are provided with through flow hole, and left connector and the right side vertically
Through flow hole on connector inwardly offers capitate groove and deep gouge successively by flange end, and described capitate groove coordinates with umbrella shape frame to be connected
Connect, described filter screen and strengthen on support frame with deep gouge snapping.
Preferably, the end on described umbrella shape frame is connected by inner cone shape sealing ring and capitate groove, it is described
Filter screen is umbrella, and the end of filter screen, which is provided with the middle part of the first flange, described reinforcement support frame, is provided with the second flange, described
The first flange and the second flange be connected with deep gouge, the head end of described umbrella shape frame equidistantly set with end by some
Connected between the first reinforcement connection put, described the second flange and the two ends strengthened in the middle part of support frame by the second reinforcement
Connect, described reinforcement support frame two ends respectively by filter screen and corresponding umbrella shape frame snapping, described filter screen by umbrella shape frame and
Strengthen support frame tensioning.
Preferably, being connected between described reinforcement support frame two ends by reinforcing prop, described strengthen support frame two
End and umbrella shape frame head end and be brachycephalic.
Preferably, described left connector and the outside of right connector are provided with connection screw thread, each connector
Connection screw thread and flange connector between be provided with taper platform, the periphery of described taper platform is arranged with outer tapered sealing ring.
Preferably, described flange bolt component is made up of high-strength bolt, elastic washer and locking nut, described height
The screw thread styletable of strength bolt is sequentially passed through after elastic washer, flange hole corresponding on two connectors to be connected with locking nut screw thread
Connect.
Preferably, described left connector is provided with the first shaped groove, described right company on flange flange outer face
Joint is provided with the second shaped groove on flange flange outer face, after left connector and the connection of right connector, and described first
Shaped groove and the second shaped groove form curved chamber, and described curved intracavitary is provided with curved sealing ring.
Preferably, the section of described curved sealing ring is "~" shape, and two ends are rounded, described curved sealing ring
Two ends diameter is more than the thickness at middle part, and described curved sealing ring is closely connected with curved chamber.
Preferably, the flange connector on described left connector and right connector is hex nut type.
Beneficial effects of the present invention：Compared with prior art, a kind of quick change filter that the present invention is provided, it is rational in infrastructure,
It is connected, only needs by setting filter assemblies inside the junction of left connector and right connector, then by flange bolt component
The hex nut type flange connector on left connector and right connector is entangled simultaneously and is rotated with die nut can be achieved
Filter and the pipeline of both sides are connected simultaneously, and are tightly connected by outer tapered sealing ring with pipeline；Filter assemblies are by umbrella shape frame, filter
Net and strengthen supporting framework into, by umbrella shape frame and strengthen support frame filter screen be supported and is tensioned, and the two of filter assemblies
End is respectively provided with filter screen, strengthens filter effect；Change more convenient, it is only necessary to rotate flange connector and unload after flange bolt component,
Filter assemblies or its part damaged are changed, replacement cost is greatly reduced and changes intensity；Left connector
Labyrinth sealing is realized using curved sealing ring with the joint face of right connector, sealing is substantially increased.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of quick change filter of the embodiment of the present invention；
Fig. 2 is a kind of explosive view of quick change filter of the embodiment of the present invention；
Fig. 3 is a kind of blast sectional view of quick change filter of the embodiment of the present invention；
Fig. 4 is curved seal ring structure schematic diagram in a kind of quick change filter of the embodiment of the present invention.
【Embodiment】
To make the object, technical solutions and advantages of the present invention of greater clarity, below by drawings and Examples, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The scope being not intended to limit the invention.In addition, in the following description, the description to known features and technology is eliminated, to keep away
Exempt from unnecessarily to obscure idea of the invention.
Refering to Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of quick change filter, including left connector 1, the and of right connector 2
Filter assemblies 3, described left connector 1 and one end of right connector 2 are provided with flange flange 11, and left connector 1 and the right side
Flange hole 12 corresponding on corresponding flange hole 12, two connectors 1 is provided with the flange flange 11 of connector 2
Connected by flange bolt component 5, the junction of two described connectors 1 is internally provided with filter assemblies 3, described filtering
Component 3 is made up of umbrella shape frame 31, filter screen 32 and reinforcement support frame 33, and the two ends of described reinforcement support frame 33 are respectively arranged with umbrella
Shape frame 31, and strengthen being provided with filter screen 32, described filter assemblies between the end of support frame 33 and corresponding umbrella shape frame 31
3rd, left connector 1 and the three of right connector 2 are coaxially disposed.
Further, described left connector 1 and right connector 2 are provided with through flow hole 10, and left connector 1 vertically
Capitate groove 15 and deep gouge 16, described capitate groove 15 are inwardly offered by flange end successively with the through flow hole 10 on right connector 2
Be connected with umbrella shape frame 31, described filter screen 32 and strengthen on support frame 33 with the snapping of deep gouge 16.
Specifically, the end on described umbrella shape frame 31 is connected by inner cone shape sealing ring 6 with capitate groove 15, described
Filter screen 32 be umbrella, the end of filter screen 32 is provided with the first flange 320, and the middle part of described reinforcement support frame 33 is provided with the
Two flanges 330, described the first flange 320 and the second flange 330 is connected with deep gouge 16, the head of described umbrella shape frame 31
End is connected with end by the first reinforcement 310 of some spaced sets, and described strengthen in the middle part of support frame 33 second is convex
Connected between edge 330 and two ends by the second reinforcement 331, described two ends of reinforcement support frame 33 respectively by filter screen 32 with
The corresponding snapping of umbrella shape frame 31, described filter screen 32 is tensioned by umbrella shape frame 31 and reinforcement support frame 33, described reinforcement support
Frame 33 is connected between two ends by reinforcing prop 332, the described two ends of reinforcement support frame 33 and the head end of umbrella shape frame 31 and is
Brachycephalic.
Further, the outside of described left connector 1 and right connector 2 is provided with connection screw thread 13, each connection
Taper platform 14 is provided between connection screw thread 13 and flange connector 11 on head, the periphery of described taper platform 14 is arranged with outer cone
Type sealing ring 4.
In embodiments of the present invention, described flange bolt component 5 is by high-strength bolt 51, elastic washer 52 and locking nut
53 are constituted, and the screw thread styletable of described high-strength bolt 51 sequentially passes through elastic washer 52, flange corresponding on two connectors 1
It is threadedly coupled behind hole 12 with locking nut 53.
Further, described left connector 1 is provided with the first shaped groove 17 on the outer face of flange flange 11, described
Right connector 2 is provided with the second shaped groove 18 on the outer face of flange flange 11, when left connector 1 and right connector 2 are connected
Afterwards, the first described shaped groove 17 and the second shaped groove 18 form curved chamber, and described curved intracavitary is provided with curved sealing ring
7, the section of described curved sealing ring 7 is "~" shape, and two ends are rounded, and the described two ends diameter of curved sealing ring 7 is more than
The thickness at middle part, described curved sealing ring 7 is closely connected with curved chamber.
Further, the flange connector 11 on described left connector 1 and right connector 2 is hex nut type.
A kind of quick change filter of the present invention, it is rational in infrastructure, by inside the junction of left connector 1 and right connector 2
Filter assemblies 3 are set, then are connected by flange bolt component 5, it is only necessary to left connector 1 and right company are entangled simultaneously with die nut
Filter can be achieved for hex nut type flange connector 11 and rotation on joint 2 and the pipeline of both sides is connected simultaneously, and passes through
Outer tapered sealing ring 4 is tightly connected with pipeline；Filter assemblies 3 are made up of umbrella shape frame 31, filter screen 32 and reinforcement support frame 33, are led to
Cross umbrella shape frame 31 and strengthen support frame 33 and filter screen 32 is supported and is tensioned, and the two ends of filter assemblies 3 are respectively provided with filter screen
32, strengthen filter effect；Change more convenient, it is only necessary to rotate flange connector 11 and unload after flange bolt component 5, to filtering group
Part 3 or its part damaged are changed, and are greatly reduced replacement cost and are changed intensity；Left connector 1 and the right side
The joint face of connector 2 realizes labyrinth sealing using curved sealing ring 7, substantially increases sealing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of quick change filter, including left connector (1), right connector (2) and filter assemblies (3), it is characterised in that：It is described
Left connector (1) and one end of right connector (2) be provided with flange connector (11), and left connector (1) and right connector
(2) flange hole corresponding on corresponding flange hole (12), two connectors (1) is provided with flange connector (11)
(12) connected by flange bolt component (5), the junction of two described connectors (1) is internally provided with filter assemblies (3),
Described filter assemblies (3) are made up of umbrella shape frame (31), filter screen (32) and reinforcement support frame (33), described reinforcement support frame
(33) two ends are respectively arranged with umbrella shape frame (31), and strengthen between the end of support frame (33) and corresponding umbrella shape frame (31)
Filter screen (32) is provided with, described filter assemblies (3), left connector (1) and right connector (2) three is coaxially disposed.
2. a kind of quick change filter as claimed in claim 1, it is characterised in that：Described left connector (1) and right connector
(2) through flow hole (10) on through flow hole (10), and left connector (1) and right connector (2) is provided with vertically by flange end
Capitate groove (15) and deep gouge (16) are inwardly offered successively, and described capitate groove (15) is connected with umbrella shape frame (31), described
Filter screen (32) and strengthen on support frame (33) with deep gouge (16) snapping.
3. a kind of quick change filter as claimed in claim 2, it is characterised in that：End on described umbrella shape frame (31) passes through
Inner cone shape sealing ring (6) is connected with capitate groove (15), and described filter screen (32) is umbrella, and the end of filter screen (32) is provided with
The second flange (330), the first described flange are provided with the middle part of first flange (320), described reinforcement support frame (33)
(320) it is connected with the second flange (330) with deep gouge (16), the head end of described umbrella shape frame (31) passes through some with end
The second flange (330) and two ends in the middle part of the first reinforcement (310) connection of spaced set, described reinforcement support frame (33)
Between connected by the second reinforcement (331), described reinforcement support frame (33) two ends respectively by filter screen (32) with it is corresponding
Umbrella shape frame (31) snapping, described filter screen (32), which passes through umbrella shape frame (31) and strengthens support frame (33), to be tensioned.
4. a kind of quick change filter as claimed in claim 3, it is characterised in that：Between described reinforcement support frame (33) two ends
Connected by reinforcing prop (332), the described two ends of reinforcement support frame (33) and the head end of umbrella shape frame (31) and be brachycephalic.
5. a kind of quick change filter as claimed in claim 1, it is characterised in that：Described left connector (1) and right connector
(2) set between connection screw thread (13) and flange connector (11) that outside is provided with connection screw thread (13), each connector
Taper platform (14) is equipped with, the periphery of described taper platform (14) is arranged with outer tapered sealing ring (4).
6. a kind of quick change filter as claimed in claim 1, it is characterised in that：Described flange bolt component (5) is by high-strength
Bolt (51), elastic washer (52) and locking nut (53) are constituted, and the screw thread styletable of described high-strength bolt (51) is sequentially passed through
Corresponding flange hole (12) is threadedly coupled with locking nut (53) afterwards on elastic washer (52), two connectors (1).
7. a kind of quick change filter as claimed in claim 1, it is characterised in that：Described left connector (1) is in flange connector
(11) the first shaped groove (17) is provided with outer face, described right connector (2) is set on flange connector (11) outer face
There is the second shaped groove (18), after left connector (1) and right connector (2) connection, described the first shaped groove (17) and second
The curved chamber of shaped groove (18) formation, described curved intracavitary is provided with curved sealing ring (7).
8. a kind of quick change filter as claimed in claim 7, it is characterised in that：The section of described curved sealing ring (7) is
"~" shape, and two ends are rounded, described curved sealing ring (7) two ends diameter is more than the thickness at middle part, described curved sealing
Ring (7) is closely connected with curved chamber.
9. a kind of quick change filter as claimed in claim 1, it is characterised in that：Described left connector (1) and right connector
(2) flange connector (11) on is hex nut type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481261.3A CN107261593A (en) | 2017-06-22 | 2017-06-22 | A kind of quick change filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481261.3A CN107261593A (en) | 2017-06-22 | 2017-06-22 | A kind of quick change filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107261593A true CN107261593A (en) | 2017-10-20 |
Family
ID=60068545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710481261.3A Pending CN107261593A (en) | 2017-06-22 | 2017-06-22 | A kind of quick change filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107261593A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306332A (en) * | 2019-01-15 | 2020-06-19 | 胡海潮 | Valve type safety pressure relief device for water delivery pipeline |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201324559Y (en) * | 2008-12-11 | 2009-10-14 | 中国航天科技集团公司烽火机械厂 | Water filter |
| CN104533571A (en) * | 2014-12-25 | 2015-04-22 | 重庆科克发动机技术有限公司 | Ventilating and filtering device for diesel engine crankcase |
| CN205323390U (en) * | 2015-12-10 | 2016-06-22 | 天津新科成套仪表有限公司 | Filter device for pipes |
| CN205715078U (en) * | 2016-06-23 | 2016-11-23 | 嘉兴三乐实业有限公司 | A kind of efficient hydraulic oil strainer filter element |
| CN106693483A (en) * | 2016-12-06 | 2017-05-24 | 西安航天动力研究所 | Cone filter |
| CN207270819U (en) * | 2017-06-22 | 2018-04-27 | 嘉兴三乐实业有限公司 | A kind of quick change filter |
-
2017
- 2017-06-22 CN CN201710481261.3A patent/CN107261593A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201324559Y (en) * | 2008-12-11 | 2009-10-14 | 中国航天科技集团公司烽火机械厂 | Water filter |
| CN104533571A (en) * | 2014-12-25 | 2015-04-22 | 重庆科克发动机技术有限公司 | Ventilating and filtering device for diesel engine crankcase |
| CN205323390U (en) * | 2015-12-10 | 2016-06-22 | 天津新科成套仪表有限公司 | Filter device for pipes |
| CN205715078U (en) * | 2016-06-23 | 2016-11-23 | 嘉兴三乐实业有限公司 | A kind of efficient hydraulic oil strainer filter element |
| CN106693483A (en) * | 2016-12-06 | 2017-05-24 | 西安航天动力研究所 | Cone filter |
| CN207270819U (en) * | 2017-06-22 | 2018-04-27 | 嘉兴三乐实业有限公司 | A kind of quick change filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306332A (en) * | 2019-01-15 | 2020-06-19 | 胡海潮 | Valve type safety pressure relief device for water delivery pipeline |
| CN111306332B (en) * | 2019-01-15 | 2021-09-21 | 北京大凤太好环保工程有限公司 | Valve type safety pressure relief device for water delivery pipeline |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |
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| RJ01 | Rejection of invention patent application after publication |