CN108757121B - Filter screen structure of urea liquid level sensor - Google Patents

Filter screen structure of urea liquid level sensor Download PDF

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Publication number
CN108757121B
CN108757121B CN201810521442.9A CN201810521442A CN108757121B CN 108757121 B CN108757121 B CN 108757121B CN 201810521442 A CN201810521442 A CN 201810521442A CN 108757121 B CN108757121 B CN 108757121B
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CN
China
Prior art keywords
groove
mounting plate
annular
fixedly connected
filter layer
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.)
Expired - Fee Related
Application number
CN201810521442.9A
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Chinese (zh)
Other versions
CN108757121A (en
Inventor
龙克文
颜天宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chuan Dong Magnetic Electronic Co ltd
Chuandong Magnetic Electronic Co Ltd
Original Assignee
Chuan Dong Magnetic Electronic Co ltd
Chuandong Magnetic Electronic Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chuan Dong Magnetic Electronic Co ltd, Chuandong Magnetic Electronic Co Ltd filed Critical Chuan Dong Magnetic Electronic Co ltd
Priority to CN201810521442.9A priority Critical patent/CN108757121B/en
Publication of CN108757121A publication Critical patent/CN108757121A/en
Application granted granted Critical
Publication of CN108757121B publication Critical patent/CN108757121B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Abstract

The invention discloses a filter screen structure of a urea liquid level sensor, which comprises a first mounting plate, a joint, a liquid pumping pipe and an exhaust pipe, wherein a second mounting plate is arranged at the lower side of the first mounting plate, a framework is fixedly connected between the first mounting plate and the second mounting plate, a first annular groove is formed in the upper end of the second mounting plate, a first annular through groove is formed in the first mounting plate, a first filter layer is placed in the first annular through groove, the upper end of the first filter layer is positioned in the first annular through groove, a second through groove is formed in the inner wall of the right end of the first annular through groove, a first moving block is arranged in the second through groove, a first connecting block is fixedly connected to the upper end of the first moving block, the first connecting block is connected with the second through groove in a sliding mode, and a third annular through groove is formed in the first mounting plate. The invention has reasonable structure, is convenient for mounting and dismounting the first filter layer and the second filter layer and is convenient for cleaning.

Description

Filter screen structure of urea liquid level sensor
Technical Field
The invention relates to the technical field of urea liquid level sensors for vehicles, in particular to a filter screen structure of a urea liquid level sensor.
Background
At present, most tail gas treatment adopts SCR technology, and the selective catalytic reduction technology (SCR) aims at NO in tail gas emission of diesel vehiclesxThe treatment process of (1) is to spray reducing agent ammonia or urea under the action of catalyst to treat NO in tail gasxReduction to N2And H2And O. The catalyst includes noble metal and non-noble metal. The technology is also widely applied to the post-treatment of the tail gas of the diesel engine, the generation of particulate matter PM is controlled as much as possible in the machine by optimizing the oil injection and combustion processes, and then the nitrogen oxide formed under the oxygen-rich condition is treated outside the machine, namely the Nitrogen Oxide (NO) is treated by the urea for vehicles (the urea for vehicles is decomposed to generate ammonia at a certain temperature)x) Carrying out a selective catalytic reduction toThe purposes of energy conservation and emission reduction are achieved, the technology is a main technical route in Europe, the technology is almost completely adopted by Europe long-distance trucks and large buses, and a urea liquid level sensor is used in SCR; at present, most of filter screen structures of urea liquid level sensors are inconvenient to mount and dismount and take down for cleaning.
To this end, we propose a sieve structure of the urea level sensor to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a filter screen structure of a urea liquid level sensor.
In order to achieve the purpose, the invention adopts the following technical scheme:
a filter screen structure of a urea liquid level sensor comprises a first mounting plate, a joint, a liquid suction pipe and an exhaust pipe, wherein a second mounting plate is arranged on the lower side of the first mounting plate, a framework is fixedly connected between the first mounting plate and the second mounting plate, a first annular groove is formed in the upper end of the second mounting plate, a first annular through groove is formed in the first mounting plate, a first filter layer is placed in the first annular through groove, the upper end of the first filter layer is located in the first annular through groove, a second through groove is formed in the inner wall of the right end of the first annular through groove, a first moving block is arranged in the second through groove, a first connecting block is fixedly connected to the upper end of the first moving block, the first connecting block is connected with the second through groove in a sliding manner, a third annular through groove is formed in the first mounting plate, and a second annular groove is formed in the upper end of the, the filter comprises a first mounting plate and a second mounting plate, wherein a first filter layer is arranged in the first annular groove, a fourth circular through groove and a fifth circular through groove are arranged on the first mounting plate and the second mounting plate respectively, a plurality of threaded holes are formed in the inner wall of the fourth circular through groove, bolts are connected in the threaded holes in a screwed mode, two joints are installed at the upper end of the first mounting plate, and the joints are located between the first annular through groove and the second annular through groove.
Preferably, a liquid suction pipe and an exhaust pipe are respectively arranged in the two connectors, the lower ends of the liquid suction pipe and the exhaust pipe penetrate through the first mounting plate and are positioned between the first filter layer and the second filter layer, the liquid pumping pipe and the exhaust pipe are both provided with O-shaped rings, the liquid pumping pipe and the exhaust pipe are both sleeved with circular rings, a third annular groove is arranged in the joint, a semicircular ring is arranged in the third annular groove, a sixth through groove is arranged on the inner wall of the third annular groove, the side wall of the semi-circular ring is fixedly connected with a second moving block, one end of the second moving block, far away from the semi-circular ring, penetrates through the sixth through groove and extends to the outside of the joint, the lower end of the second moving block is fixedly connected with a second connecting block which is connected with a sixth through groove in a sliding way, the lateral wall fixedly connected with elastic component of semicircle ring, the one end that the semicircular ring was kept away from to the elastic component is connected with the inner wall fixed connection of third annular groove.
Preferably, the inner wall of the lower end of the sixth through groove is provided with a first sliding groove, a first sliding block matched with the first sliding groove is arranged in the first sliding groove, and the upper end of the first sliding block is fixedly connected to the lower end of the second connecting block.
Preferably, the elastic component includes the telescopic link of fixed connection in third annular groove inner wall, the telescopic link is along the radial setting of third annular groove, the one end fixed connection in the lateral wall of semicircle ring that the telescopic link is close to the ring, the telescopic link overcoat is equipped with the spring.
Preferably, the inner wall of the upper end of the second through groove is provided with a second sliding groove, a second sliding block matched with the second sliding groove is arranged in the second sliding groove, and the lower end of the second sliding block is fixedly connected to the upper end of the first connecting block.
Preferably, one end of the second moving block, which is positioned outside the joint, is rotatably connected with a pull ring.
Preferably, the lower end of the second mounting plate is in threaded sleeve connection with the bottom support.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the first moving block is arranged in the second through groove, the upper end of the first moving block is fixedly connected with the lower end of the first connecting block, the lower end of the second sliding block is fixedly connected with the upper end of the first connecting block, and the first moving block is dragged to control the placement and the taking out of the first filtering layer, so that the first filtering layer is convenient to clean; the arrangement and the taking-out of the second filter layer can be controlled by arranging the bolts, so that the second filter layer can be cleaned conveniently; the pull ring is pulled to control the position relation between the semi-circle ring and the circle ring, so that the placement and the taking out of the liquid pumping pipe and the exhaust pipe can be controlled.
Drawings
FIG. 1 is a perspective view of a screen structure of a urea level sensor according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a perspective view of the top structure of FIG. 1;
FIG. 5 is a schematic front view of the first filter layer of FIG. 1;
fig. 6 is a schematic front view of the second filter layer in fig. 1.
In the figure: 1 first mounting panel, 2 second mounting panels, 3 skeleton, 4 first annular grooves, 5 first annular through grooves, 6 first filter layers, 7 second through grooves, 8 first moving blocks, 9 first connecting blocks, 10 third annular through grooves, 11 second annular through grooves, 12 second filter layers, 13 bolts, 14 connectors, 15 liquid pumping pipes, 16 exhaust pipes, 17O-shaped rings, 18 circular rings, 19 third annular grooves, 20 semicircular rings, 21 sixth through grooves, 22 second moving blocks, 23 second connecting blocks, 24 first sliding grooves, 25 first sliding blocks, 26 telescopic rods, 27 springs, 28 second sliding grooves, 29 second sliding blocks, 30 pull rings and 31 bottom supports.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a filter screen structure of a urea liquid level sensor comprises a first mounting plate 1, a joint 14, a liquid suction pipe 15 and an exhaust pipe 16, wherein a second mounting plate 2 is arranged at the lower side of the first mounting plate 1, a bottom support 31 is sleeved at the lower end of the second mounting plate 2 in a threaded manner, a framework 3 is fixedly connected between the first mounting plate 1 and the second mounting plate 2, a first annular groove 4 is arranged at the upper end of the second mounting plate 2, a first annular through groove 5 is arranged on the first mounting plate 1, a first filter layer 6 is arranged in the first annular through groove 5, the upper end of the first filter layer 6 is arranged in the first annular through groove 5, a second through groove 7 is arranged on the inner wall of the right end of the first annular through groove 5, a first moving block 8 is arranged in the second through groove 7, a first connecting block 9 is fixedly connected at the upper end of the first moving block 8, the first connecting block 9 is slidably connected with the second through groove, a second sliding block 29 matched with the second sliding groove 28 is arranged in the second sliding groove 28, and the lower end of the second sliding block 29 is fixedly connected to the upper end of the first connecting block 9, so that the first moving block 8 and the first connecting block 9 can move conveniently; a third annular through groove 10 is arranged on the first mounting plate 1, a second annular groove 11 is arranged at the upper end of the second mounting plate 2, a second filter layer 12 is placed in the second annular groove 11, a fourth circular through groove and a fifth circular through groove are respectively arranged on the first mounting plate 1 and the second mounting plate 2, a plurality of threaded holes are arranged on the inner wall of the fourth circular through groove, bolts 13 are connected with the threaded holes in a threaded manner, two connectors 14 are arranged at the upper end of the first mounting plate 1, the connectors 14 are positioned between the first annular through groove 5 and the second annular through groove 10, a liquid pumping pipe 15 and an exhaust pipe 16 are respectively arranged in the two connectors 14, the lower ends of the liquid pumping pipe 15 and the exhaust pipe 16 penetrate through the first mounting plate 1 and are positioned between the first filter layer 6 and the second filter layer 12, O-shaped rings 17 are respectively arranged on the liquid pumping pipe 15 and the exhaust pipe 16, circular rings 18 are respectively sleeved outside the liquid pumping, a semicircular ring 20 is arranged in the third annular groove 19, a sixth through groove 21 is formed in the inner wall of the third annular groove 19, a second moving block 22 is fixedly connected to the side wall of the semicircular ring 20, one end, far away from the semicircular ring 20, of the second moving block 22 penetrates through the sixth through groove 21 and extends to the outside of the joint 14, and one end, located outside the joint 14, of the second moving block 22 is rotatably connected with a pull ring 30 so that the second moving block 22 can move; the lower end of the second moving block 22 is fixedly connected with a second connecting block 23, the second connecting block 23 is in sliding connection with a sixth through groove 21, the inner wall of the lower end of the sixth through groove 21 is provided with a first sliding groove 24, a first sliding block 25 matched with the first sliding groove 24 is arranged in the first sliding groove 24, and the upper end of the first sliding block 25 is fixedly connected to the lower end of the second connecting block 23, so that the second connecting block 23 and the second moving block 22 can move conveniently; an elastic part is fixedly connected to the side wall of the semicircular ring 20, one end, far away from the semicircular ring 20, of the elastic part is fixedly connected with the inner wall of the third annular groove 19, the elastic part comprises a telescopic rod 26 fixedly connected to the inner wall of the third annular groove 19, the telescopic rod 26 is arranged along the radial direction of the third annular groove 19, one end, close to the circular ring 18, of the telescopic rod 26 is fixedly connected to the side wall of the semicircular ring 20, and a spring 27 is sleeved outside the telescopic rod 26 so as to facilitate resetting of the semicircular ring 20; the first filter layer 6 and the second filter layer 12 both seal the filter screen in the frame body through injection molding (the joint 14, the liquid pumping pipe 15, the exhaust pipe 16 and the O-shaped ring 17 are all prior art and are not described herein again).
In the invention, when the filter is required to be used, the first moving block 8 is dragged to ensure that the first moving block 8 cannot block the placement of the first filter layer 6, the first filter layer 6 is placed to ensure that the lower end of the first moving block 8 is positioned in the first annular groove 4, the first moving block 8 is dragged to ensure that the lower end of the first moving block 8 just props against the upper end of the first filter layer 6, the bolt 13 is rotated to place the lower end of the second filter layer 12 in the second annular groove 11, and then the bolt 13 is rotated to ensure that the lower end of the second filter layer just props against the upper end of the second filter layer 12, so that the placement of the first filter layer 6 and the; pulling the pull ring 30, moving the second moving block 22 and the second connecting block 23, contracting the telescopic rod 26 and the spring 27, installing the O-shaped ring 17, respectively placing the liquid pumping pipe 15 and the exhaust pipe 16 into the two connectors 14, wherein the lower ends of the liquid pumping pipe 15 and the exhaust pipe 16 are positioned between the first filter layer 6 and the second filter layer 12, the lower end of the circular ring 18 is abutted against the upper end of the O-shaped ring 17, the external force is removed, and the lower end of the semicircular ring 20 is just abutted against the upper end of the circular ring 18, so that the placement of the liquid pumping pipe 15 and the exhaust pipe 16 can be completed; when needing to clear up, drag first movable block 8, make first movable block 8 can not block taking of first filter layer 6, take out first filter layer 6, rotate bolt 13, take out second filter layer 12 again, can clear up first filter layer 6 and second filter layer 12.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. The utility model provides a urea level sensor's filter screen structure, includes first mounting panel (1), connects (14), liquid suction pipe (15) and blast pipe (16), its characterized in that: a second mounting plate (2) is arranged on the lower side of the first mounting plate (1), a framework (3) is fixedly connected between the first mounting plate (1) and the second mounting plate (2), a first annular groove (4) is arranged at the upper end of the second mounting plate (2), a first annular through groove (5) is arranged on the first mounting plate (1), a first filter layer (6) is placed in the first annular through groove (5), the upper end of the first filter layer (6) is positioned in the first annular through groove (5), a second through groove (7) is arranged on the inner wall of the right end of the first annular through groove (5), a first moving block (8) is arranged in the second through groove (7), a first connecting block (9) is fixedly connected to the upper end of the first moving block (8), the first connecting block (9) is slidably connected with the second through groove (7), a third annular through groove (10) is arranged on the first mounting plate (1), a second annular groove (11) is formed in the upper end of the second mounting plate (2), a second filter layer (12) is placed in the second annular groove (11), a fourth circular through groove and a fifth circular through groove are formed in the first mounting plate (1) and the second mounting plate (2) respectively, a plurality of threaded holes are formed in the inner wall of the fourth circular through groove, bolts (13) are connected to the threaded holes in a threaded mode, two connectors (14) are installed at the upper end of the first mounting plate (1), and the connectors (14) are located between the first annular through groove (5) and the second annular through groove (10);
two connectors (14) are internally provided with a liquid pumping pipe (15) and an exhaust pipe (16) respectively, the lower ends of the liquid pumping pipe (15) and the exhaust pipe (16) penetrate through a first mounting plate (1) and are positioned between a first filter layer (6) and a second filter layer (12), the liquid pumping pipe (15) and the exhaust pipe (16) are respectively provided with an O-shaped ring (17), the liquid pumping pipe (15) and the exhaust pipe (16) are respectively sleeved with a circular ring (18), a third annular groove (19) is arranged in the connector (14), a semicircular ring (20) is arranged in the third annular groove (19), the inner wall of the third annular groove (19) is provided with a sixth through groove (21), the side wall of the semicircular ring (20) is fixedly connected with a second moving block (22), one end, far away from the semicircular ring (20), of the second moving block (22) penetrates through the sixth through groove (21) and extends to the outside of the connector (14), the lower end of the second moving block (22) is fixedly connected with a second connecting block (23), the second connecting block (23) is connected with a sixth through groove (21) in a sliding mode, the side wall of the semicircular ring (20) is fixedly connected with an elastic piece, and one end, far away from the semicircular ring (20), of the elastic piece is fixedly connected with the inner wall of the third annular groove (19).
2. The filter screen structure of the urea liquid level sensor according to claim 1, wherein a first sliding groove (24) is formed in the inner wall of the lower end of the sixth through groove (21), a first sliding block (25) matched with the first sliding groove is arranged in the first sliding groove (24), and the upper end of the first sliding block (25) is fixedly connected to the lower end of the second connecting block (23).
3. The filter screen structure of the urea liquid level sensor according to claim 1, wherein the elastic member comprises a telescopic rod (26) fixedly connected to the inner wall of the third annular groove (19), the telescopic rod (26) is arranged along the radial direction of the third annular groove (19), one end of the telescopic rod (26) close to the circular ring (18) is fixedly connected to the side wall of the semicircular ring (20), and a spring (27) is sleeved outside the telescopic rod (26).
4. The filter screen structure of the urea liquid level sensor according to claim 1, wherein a second chute (28) is arranged on the inner wall of the upper end of the second through groove (7), a second sliding block (29) matched with the second chute (28) is arranged in the second chute (28), and the lower end of the second sliding block (29) is fixedly connected to the upper end of the first connecting block (9).
5. The sieve structure of a urea level sensor according to claim 1, characterized in that a pull ring (30) is rotatably connected to one end of the second moving block (22) located outside the joint (14).
6. The filter screen structure of the urea liquid level sensor according to claim 1, wherein the lower end of the second mounting plate (2) is in threaded sleeve connection with a bottom support (31).
CN201810521442.9A 2018-05-28 2018-05-28 Filter screen structure of urea liquid level sensor Expired - Fee Related CN108757121B (en)

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Application Number Priority Date Filing Date Title
CN201810521442.9A CN108757121B (en) 2018-05-28 2018-05-28 Filter screen structure of urea liquid level sensor

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Application Number Priority Date Filing Date Title
CN201810521442.9A CN108757121B (en) 2018-05-28 2018-05-28 Filter screen structure of urea liquid level sensor

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CN108757121B true CN108757121B (en) 2020-06-23

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113864030B (en) * 2021-08-16 2022-06-14 安庆中船柴油机有限公司 Diesel engine airborne urea injection system

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Publication number Priority date Publication date Assignee Title
JPS5898621A (en) * 1981-12-09 1983-06-11 Honda Motor Co Ltd Exhaust gas purifying device of internal combustion engine
JP2013160124A (en) * 2012-02-03 2013-08-19 Honda Motor Co Ltd Exhaust muffler device
JP2014238094A (en) * 2014-08-20 2014-12-18 スズキ株式会社 Exhaust gas sensor mounting structure of motorcycle
CN205867695U (en) * 2016-05-20 2017-01-11 深圳市盛泽森科技有限公司 Urea level sensor's filter screen structure
CN206338837U (en) * 2016-12-12 2017-07-18 杭州老板电器股份有限公司 A kind of inverted-cone oil network and filtering net installation
CN107754469A (en) * 2017-12-18 2018-03-06 南京灿华光电设备有限公司 A kind of anti-falling type air purifier for being conveniently replaceable filter core
CN207212453U (en) * 2017-09-02 2018-04-10 深圳市盛泽森科技有限公司 The filter structure of liquid level sensor
CN108049943A (en) * 2017-11-24 2018-05-18 汪家琳 Diesel exhaust particulate object carbon black purifying processing device and method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898621A (en) * 1981-12-09 1983-06-11 Honda Motor Co Ltd Exhaust gas purifying device of internal combustion engine
JP2013160124A (en) * 2012-02-03 2013-08-19 Honda Motor Co Ltd Exhaust muffler device
JP2014238094A (en) * 2014-08-20 2014-12-18 スズキ株式会社 Exhaust gas sensor mounting structure of motorcycle
CN205867695U (en) * 2016-05-20 2017-01-11 深圳市盛泽森科技有限公司 Urea level sensor's filter screen structure
CN206338837U (en) * 2016-12-12 2017-07-18 杭州老板电器股份有限公司 A kind of inverted-cone oil network and filtering net installation
CN207212453U (en) * 2017-09-02 2018-04-10 深圳市盛泽森科技有限公司 The filter structure of liquid level sensor
CN108049943A (en) * 2017-11-24 2018-05-18 汪家琳 Diesel exhaust particulate object carbon black purifying processing device and method
CN107754469A (en) * 2017-12-18 2018-03-06 南京灿华光电设备有限公司 A kind of anti-falling type air purifier for being conveniently replaceable filter core

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