CN202467980U - Engine exhaust particulate sampling device - Google Patents
Engine exhaust particulate sampling device Download PDFInfo
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- CN202467980U CN202467980U CN2012200553523U CN201220055352U CN202467980U CN 202467980 U CN202467980 U CN 202467980U CN 2012200553523 U CN2012200553523 U CN 2012200553523U CN 201220055352 U CN201220055352 U CN 201220055352U CN 202467980 U CN202467980 U CN 202467980U
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- filter paper
- lower cover
- loam cake
- runddichtringo
- rotating disk
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- 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
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Abstract
The utility model discloses an engine exhaust particulate sampling device. A lower cover is arranged in a base sleeve and can move vertically; an upper cover and the lower cover are automatically compressed by a spring; and filter paper mounting discs are arranged between the upper and lower covers. When the spring is compressed, the upper cover, the filter paper mounting discs and the lower cover are sealed; engine exhaust flows in through the upper cover, exhaust particulates are filtered by filter paper, and the exhaust flows out through the lower cover and the base sleeve; a plurality of filter paper mounting discs are placed on a turntable, and the turntable can rotate around a rotating shaft parallel to the vertical direction; when a certain quantity of particulates are collected, the spring is compressed, so that the upper cover, the filter paper mounting discs and the lower cover are separated; and the turntable is rotated, the mounting discs on which clean filter paper is placed are rotated to the space between the upper cover and the lower cover, the spring is loosened, seal is realized again through the filter paper, and particulate sampling is carried out. The device has the characteristics of simple structure, convenience in operation and capability of realizing on-line connection and replacement of the filter paper.
Description
Technical field
The utility model belongs to engine exhaust reprocessing sample devices, is specifically related to a kind of device that adopts filter paper engine exhaust gas particulate to be carried out sampling by filtration.
Background technique
At present, the particulate matter of motor vehicle emission is the main source of pellet in the atmosphere, and the requirement that the vehicular engine exhaust gas particulate realize is reduced discharging, satisfies Abgasgesetz is that the motor industry presses for one of key technical problem of solution.The particulate matter of engine emission be the diameter that produces by non-complete combustion of fuel greatly the small carbon back particle aggregation about about 25 nm form, form that diameter does not wait, different congeries, its particle diameter mainly is distributed in the scope of 100 nm～300 nm.The particulate matter of this scope all is to go into the lung particle.The carbon back particle is at hydrocarbon type of material (being often referred to SOF) of the imperfect combustion generation of surface adsorption one deck, and some sulphate that produced by sulphur-containing substance in fuel oil and the lubricant oil.Particulate matter has great specific surface area, can reach 100 m
2More than/the g; Usually the various toxic trace elements (like As, Se, Pb, Cr etc.) and organic pollutant (the condensed-nuclei aromatics PAHs that produce in the enrichment engine combustion process; Dioxin PCDD/Fs) etc., and adsorb multiple organic compound, like hydro carbons, phenols, amine, carcinogenic substance BaP (BaP) and other oxygenatedchemicals of C1-C20; These materials have " three cause " property, and are very big to human harm.
The engine exhaust gas particulate specificity analysis is an important means of research diesel engine combustion, also is simultaneously that the capture performance and the regenerability of the after-treatment device (like grain catcher) of particulate matter studied a necessary key property parameter.At present the collection of particulate is normally diluted exhaust, and be cooled to 51.7 ℃, adopt the filter paper of band polyflon that particle is gathered then.Deficiency below this sampling method exists: because after the dilution of exhaust process, particle concentration reduces, the sampling quantity of common particulate does not satisfy particulate analysis to be wanted (1); (2) because the dilution of air-flow can cause the change of particulate nature to a certain extent, cause the error that particulate nature is analyzed; (3) erecting device of existing filter paper can only be realized once gathering, and can not realize the continuous replacing of filter paper; Owing to according to the engine operating condition point that the experiment demand will be studied, need frequent start-stop sampling system, attaching/detaching apparatus to change filter paper, cause great experimentation work amount and energy waste.
The model utility content
The purpose of the utility model provides a kind of easy to operate, can realize a kind of engine exhaust gas particulate sampling apparatus that the filter paper on-line continuous is changed.
This novel purpose is to realize like this: a kind of engine exhaust gas particulate sampling apparatus; Loam cake as introducing motor exhaust is fixed on the frame; Be provided with loam cake filter paper O RunddichtringO in the groove of the lower end surface of loam cake, be positioned under the loam cake as the lower cover of discharging motor exhaust, the tube coupling of lower cover bottom stretches in the base sleeve with sliding matching mode; And be provided with the O RunddichtringO between the tube coupling of lower cover bottom and the base sleeve; Be provided with lower cover filter paper O RunddichtringO in the groove of the upper-end surface of lower cover, lower cover filter paper O RunddichtringO is identical with loam cake filter paper O RunddichtringO, is with spring on the base sleeve; Spring is compressed between base sleeve and the lower cover, and base sleeve is fixed on the frame; Bearing Installation is on the vertical stationary axle that is provided with, and rotating disk is installed on the bearing; Have a plurality of countersunk head through holes that are positioned on the same circumference on the rotating disk, be placed with one in each countersunk head through hole, be evenly equipped with the air-flow through hole in the filter paper mounting disc as the filter paper mounting disc that filter paper is installed; Rotating disk between loam cake and lower cover, the filter paper mounting disc on the rotating disk can be positioned at loam cake under, the external diameter of lower cover filter paper O RunddichtringO is less than the internal diameter of countersunk head through hole on the rotating disk; Under cover and be fixed with a plurality of positioning dowels, positioning pin hole to there being the positioning dowel that covers under a plurality of confessions to insert on the rotating disk.
Be equipped with the heat tracing layer on the outer surface of above-mentioned loam cake and lower cover: be embedded in the thermal insulating material by electric heater and constitute; Be provided with temperature transducer in the loam cake.
Above-mentioned loam cake is the flaring pipe of big mouth down, and lower cover is a big mouth flaring pipe up.
Above-mentioned O RunddichtringO is two.
The material of above-mentioned loam cake, lower cover, base sleeve, filter paper mounting disc and rotating disk is resistant to elevated temperatures 316 stainless steels.
Above-mentioned two O RunddichtringOs, loam cake filter paper O RunddichtringO and lower cover filter paper O RunddichtringO are FFKM O RunddichtringO, and heatproof reaches 310 ℃.
Above-mentioned filter paper is glass fiber filter paper, and heatproof reaches 500 ℃.
Above-mentioned spring is resistant to elevated temperatures cylindrical spring, and heatproof reaches 500 ℃.
The filter paper mounting disc quantity of installing on the above-mentioned rotating disk is 2～6.
This device comprises loam cake and lower cover, and lower cover is installed in the base sleeve and can moves up and down; Upper and lower cover is compressed by spring automatically; The filter paper mounting disc is arranged between the upper and lower cover, and filter paper is placed in the mounting disc; Be separately installed with the O RunddichtringO on the upper and lower cover, when spring compression, loam cake, filter paper, filter paper mounting disc and lower cover sealed; Engine exhaust flows into through loam cake, by the particulate in the filter paper filtering exhaust, and through lower cover, base sleeve outflow; The filter paper mounting disc is placed on the rotating disk, can be around the stationary axle rotation that is parallel to the upper and lower cover medial axis; Be placed with a plurality of filter paper mounting discs on the rotating disk; When collecting a certain amount of particulate; Continue holddown spring loam cake, filter paper, filter paper mounting disc are separated with lower cover, rotary turnplate rotates to the mounting disc that is placed with clean filter paper between the upper and lower cover; Trip spring; Realize the sealing of filter paper once more, carry out the particulate sampling, and take off the filter paper of having gathered particulate and prepare against analysis.
Compared with prior art, the beneficial effect of the utility model is:
1, simple in structure, effective, cost is low.The purpose of the utility model is that engine exhaust gas particulate is gathered, and does not have sampling dilution and control system, and is simple in structure, reduced equipment cost.
2, easy accessibility: the utility model can be in experimentation on-line replacing filter paper, need not the frequent start-stop sampling system, save time; And experimentation work amount and energy consumption have been reduced.
But the sampling of 3 high temperature improves analysis precision.Each critical piece of the utility model can be implemented under the higher delivery temperature by adopting resistant to elevated temperatures material, and particulate is carried out Direct Sampling, has reduced the analytical error that the change because of particulate nature causes.
4, improve sample rate and sampling quantity.Owing to the utlity model has the characteristics of high temperature sampling; Can directly this sampling apparatus be installed on the bypass tube of engine exhaust pipe, regulate the back pressure of outlet pipe, can regulate the extraction flow of inletting device; Can realize the collection of a large amount of particulates in the short period of time, use in order to analyzing.
Description of drawings
Fig. 1 is this novel structural representation.
Fig. 2 is the plan view of rotating disk.
Embodiment
Among Fig. 1: 1, inlet; 2, loam cake; 3, lower cover; 4, filter paper mounting disc; 5, filter paper; 6, loam cake filter paper O RunddichtringO; 7, rotating disk; 8, positioning dowel; 9, stationary axle; 10, bearing; 11, O RunddichtringO; 12, base sleeve; 13, spring; 14, outlet; 15, (covers) heat tracing layer; 16, temperature transducer.17, lower cover filter paper O RunddichtringO.
Fig. 1 illustrates; This engine exhaust gas particulate sampling apparatus is fixed on the frame as the loam cake 2 of introducing motor exhaust, is provided with loam cake filter paper O RunddichtringO 6 in the groove of the lower end surface of loam cake; Lower cover 3 as discharging motor exhaust is positioned under the loam cake; The tube coupling of lower cover bottom stretches in the base sleeve 12 with sliding matching mode, and is provided with O RunddichtringO 11 between the tube coupling of lower cover bottom and the base sleeve, is provided with lower cover filter paper O RunddichtringO 17 in the groove of the upper-end surface of lower cover; Lower cover filter paper O RunddichtringO 17 is identical with loam cake filter paper O RunddichtringO 6; Be with spring 13 on the base sleeve 12, spring 13 is compressed between base sleeve and the lower cover, and base sleeve 12 is fixed on the frame; Bearing 10 is installed on the stationary axle 9 of vertical setting, and rotating disk 7 is installed on the bearing 10; Have a plurality of countersunk head through holes that are positioned on the same circumference on the rotating disk 7, be placed with one in each countersunk head through hole, be evenly equipped with the air-flow through hole in the filter paper mounting disc as the filter paper mounting disc 4 that filter paper 5 is installed; Rotating disk 7 between loam cake and lower cover, the filter paper mounting disc 4 on the rotating disk can be positioned at loam cake under, the external diameter of lower cover filter paper O RunddichtringO 17 is less than the internal diameter of countersunk head through hole on the rotating disk; Under cover and be fixed with a plurality of positioning dowels 8, positioning pin hole 7-1 to there being the positioning dowel 8 that covers under a plurality of confessions to insert on the rotating disk.Loam cake 2 is the flaring pipe of big mouth down, and lower cover 3 is a big mouth flaring pipe up.O RunddichtringO 11 is two (referring to Fig. 2).
Referring to Fig. 1, the collection that engine exhaust is realized exhaust gas particulate at filter paper 5 from the 1 entering loam cake 2 that enters the mouth flows into lower cover 3 and base sleeve 12 then, discharges these devices by outlet 14; When filter paper 5 is installed, the fixed-site of loam cake 2 and base sleeve 12, the bottom of lower cover 3 is inserted in the base sleeve 12 and by lower cover filter paper O RunddichtringO 17 and is sealed; Lower cover 3 can move up and down in base sleeve 12; Spring 13 is installed in the centre of lower cover 3 and base sleeve 12, and is in compressive state always, heads on lower cover 3 and moves up automatically; Lower cover filter paper O RunddichtringO 17 on the lower cover 3 heads on filter paper mounting disc 4 and moves up; Make the upper surface of filter paper 5 contact with the loam cake filter paper O RunddichtringO 6 of loam cake 2; This moment is under the effect of spring force; Two filter paper O RunddichtringOs on the upper and lower cover are in compressive state, realize the sealing of loam cake 2, filter paper 5, filter paper mounting disc 4 and lower cover 3; Filter paper mounting disc 4 is positioned on the rotating disk 7; Stationary axle 9 fixed-site connect with rotating disk 7 through bearing 10, and it can be rotated around stationary axle 9; Rotating disk 7 choosing is positioned by positioning dowel 8 and lower cover 3 after installing to desired location, guarantee filter paper mounting disc 4 be in lower cover 3 directly over (the two center is on same vertical direction) so that realize sealing to filter paper 5.
If filter paper 5 has been gathered certain behind the particulate, need change operating mode, replacing filter paper to carry out the particulate sampling once more, then spring 13 is compressed, make lower cover 3, filter paper mounting disc 4 and filter paper 5 move down; Move to a certain degree, filter paper mounting disc 4 and filter paper 5 fall on the rotary disk 7; Continue pressure spring 13, make positioning dowel 8 and rotating disk 7 break away from; Choosing dress rotating disk 7 makes clean filter paper subsequent use above it and mounting disc rotate to the position of positioning dowel 8, trip spring 13, i.e. and the filter paper of salable cleaning is accomplished the replacing of filter paper, can realize the particulate after the change operating mode is sampled; At last, the filter paper of having gathered particulate is taken off from the filter paper mounting disc, use in order to analyzing.
The heat tracing layer 15 that is wrapped with heat effect in the external packets of loam cake 2 and lower cover 3 (is equipped with the heat tracing layer on the outer surface of loam cake 2 and lower cover 3: be embedded in the thermal insulating material by electric heater and constitute; Be provided with temperature transducer 16 in the loam cake 2), prevent to reduce because of the housing heat radiation causes delivery temperature; Also above the inside of loam cake 2, filter paper 5, temperature transducer (thermocouple) is installed simultaneously, so that filtration temperature is monitored.
Among Fig. 2: 4, filter paper mounting disc; 5, filter paper; 7, rotating disk; 7-1, positioning pin hole; 9, stationary axle; 10, bearing.
Referring to Fig. 2: rotating disk 7 has been installed four filter paper mounting discs 4 altogether, and corresponding four positioning pin hole 7-1, can once sample to four filter paper; If after accomplishing once sampling, the filter paper of gathering particulate is taken off, and changes clean filter paper, then can realize the particulate collection of continuous several times (greater than four times).
The material of loam cake 2, lower cover 3, base sleeve 12, filter paper mounting disc 4 and rotating disk 7 is resistant to elevated temperatures 316 stainless steels.Filter paper 5 is glass fiber filter paper, and heatproof can reach 500 ℃.Spring 13 is resistant to elevated temperatures cylindrical spring, and heatproof can reach 500 ℃.Filter paper mounting disc 4 numbers of installing on the rotating disk 7 are 2～6.Filter paper mounting disc bottom surface is the sieve aperture structure, is convenient to the air communication mistake, can play a supporting role to filter paper simultaneously, prevents that filter paper is damaged under bigger airspeed.The edge of lower cover and rotating disk has pin hole, is positioned by pin, so that can in time find the position of filter paper mounting disc during rotary turnplate.The fixed-site of loam cake, when itself and filter paper, filter paper mounting disc and lower cover sealing, spring unclamps; Lower cover moves up; The O type circle that covers down withstands the filter paper mounting disc and moves up together (making the filter paper mounting disc break away from rotating disk), makes the filter paper end face contact with the O type circle of loam cake, under the effect of spring force; Compress O type circle, realize the sealing of these four parts.The fixed-site of stationary axle, rotating disk adopts bearing to connect with stationary axle, realizes the rotation around stationary axle.The external packets of loam cake and lower cover is wrapped with the heat tracing layer of heat effect, prevents to reduce because of the housing heat radiation causes delivery temperature; Also above the inside of loam cake, filter paper, temperature transducer is installed simultaneously, so that filtration temperature is monitored.
Be example to gather the diesel engine particulate thing below, be the requirement of installing each parts:
It is 150mm that filter paper is chosen diameter, and material is the high temperature resistant filter paper of glass fibre, and heatproof can reach 500 ℃.
TwoO RunddichtringO 11, loam cake filter paper O RunddichtringO 6 is FFKM O RunddichtringO with lower cover filter paper O RunddichtringO 17, and heatproof can reach 310 ℃.
In the bottom surface of filter paper mounting disc, in diameter is the scope of 118mm, evenly offer diameter 3mm, spacing is the through hole of 5mm, forms sieve-plate structure, making things convenient for the air communication mistake, and can support filter paper, the actual filtration face diameter of filter paper is about 105mm.
The external diameter of filter paper mounting disc is designed to 154mm, and on rotating disk, offering external diameter is that 155mm, internal diameter are the countersunk head through hole of 150mm, so that settle the filter paper mounting disc.
The diameter of rotating disk is designed to 500mm, offers the countersunk head through hole of four filter paper mounting discs.
Rotating disk reaches and covers the pin hole diameter of offering down is 10mm, is used to install the positioning dowel that diameter is 8mm.
This device directly is installed on the bypass line of Diesel Engine Exhaust Pipe, outlet pipe is provided with throttle valve, with the convenient exhaust back pressure of regulating.
The exhaust operating mode of diesel engine is: 250 ℃ of row's temperature, extraction flow is 80m
3/ h, exhaust gas particulate concentration is 0.1g/m
3
Regulate the heating power of upper and lower cover heat tracing layer, the loam cake inside temperature is heated to 250 ℃, and keep stable.
Regulate the position of throttle valve, make about 40% exhaust, about 32m
3The flow of/h gets into this device, and exhaust gas particulate is gathered.Acquisition time is 30 minutes, and the particulate loading of then gathering is about 1.6g, enough carries out the needs that conventional dissolved organic matter component (SOF), particulate oxide characteristic, particle diameter and density etc. are measured.
Lower cover 3 is installed in the base sleeve 12 and can moves up and down, and is sealed by two O RunddichtringOs; Loam cake 2 is compressed by spring 13 with lower cover 3 automatically; Filter paper mounting disc 4 is placed between loam cake 2 and the lower cover 3, and filter paper 5 is placed in the filter paper mounting disc 4; Be separately installed with filter paper O RunddichtringO on the upper and lower cover, under the effect of spring 13, loam cake 2, filter paper 5, filter paper mounting disc 4 and lower cover 3 sealed; Engine exhaust flows into through loam cake inlet 1, by the particulate in filter paper 5 filtering exhausts, and through lower cover 3, base sleeve 4, flows out from exporting 14; Filter paper mounting disc 4 is placed on the rotating disk 7, and rotating disk 7 can be rotated around the stationary axle that is parallel to the upper and lower cover medial axis 9; Be placed with a plurality of filter paper mounting discs 4 on the rotating disk 7; When collecting a certain amount of particulate; Holddown spring 13 separates loam cake 2, filter paper 5, filter paper mounting disc 4 and lower cover 3, and rotary turnplate rotates to the mounting disc that is placed with clean filter paper between the upper and lower cover; Trip spring; Realize the sealing of filter paper once more, carry out the particulate sampling, and take off the filter paper of having gathered particulate and prepare against analysis.Filter paper mounting disc 4 is in separated state at sealing state (when spring 13 compresses automatically) and rotating disk 7; And when changing filter paper 5, holddown spring 13 once more, and filter paper mounting disc 4 is fallen back to again in the countersunk head through hole of offering on the rotating disk 7.
If need to change a filter paper repeated acquisition particulate, then filter paper carried out on-line replacing according to above-mentioned assembly and disassembly methods; Before changing filter paper, need to regulate the position of throttle valve, the flow of bypass line is transferred to minimum, prevent that a large amount of high-temperature exhaust airs from mouthful flowing out from dismounting, the operator burns.Whole filter paper is changed the required time of process and in 1 minute, can be accomplished.
The utility model is simple in structure, and easy accessibility can be worked under the high-temperature exhaust air condition, and can realize the on-line continuous replacing of filter paper, saves time, and has also reduced the energy consumption of sampling simultaneously, has bigger application prospect.
Claims (9)
1. engine exhaust gas particulate sampling apparatus; It is characterized in that, be fixed on the frame, be provided with loam cake filter paper O RunddichtringO (6) in the groove of the lower end surface of loam cake as the loam cake (2) of introducing motor exhaust; Lower cover (3) as discharging motor exhaust is positioned under the loam cake; The tube coupling of lower cover bottom stretches in the base sleeve (12) with sliding matching mode, and is provided with O RunddichtringO (11) between the tube coupling of lower cover bottom and the base sleeve, is provided with lower cover filter paper O RunddichtringO (17) in the groove of the upper-end surface of lower cover; Lower cover filter paper O RunddichtringO (17) is identical with loam cake filter paper O RunddichtringO (6); Be with spring (13) on the base sleeve (12), spring (13) is compressed between base sleeve and the lower cover, and base sleeve (12) is fixed on the frame; Bearing (10) is installed on the stationary axle (9) of vertical setting, and rotating disk (7) is installed on the bearing (10); Have a plurality of countersunk head through holes that are positioned on the same circumference on the rotating disk (7), be placed with one in each countersunk head through hole, be evenly equipped with the air-flow through hole in the filter paper mounting disc as the filter paper mounting disc (4) that filter paper (5) is installed; Rotating disk (7) between loam cake and lower cover, the filter paper mounting disc (4) on the rotating disk can be positioned at loam cake under, the external diameter of lower cover filter paper O RunddichtringO (17) is less than the internal diameter of countersunk head through hole on the rotating disk; Under cover and be fixed with a plurality of positioning dowels (8), rotating disk (7) is gone up the positioning pin hole (7-1) that the positioning dowel (8) that should have on a plurality of confession lower covers (3) is inserted.
2. engine exhaust gas particulate sampling apparatus according to claim 1 is characterized in that, is equipped with the heat tracing layer on the outer surface of said loam cake (2) and lower cover (3): be embedded in the thermal insulating material by electric heater and constitute; Be provided with temperature transducer (16) in the loam cake (2).
3. engine exhaust gas particulate sampling apparatus according to claim 2 is characterized in that, said loam cake (2) is the flaring pipe of big mouth down, and lower cover (3) is a big mouth flaring pipe up.
4. engine exhaust gas particulate sampling apparatus according to claim 3 is characterized in that, said O RunddichtringO (11) is two.
5. engine exhaust gas particulate sampling apparatus according to claim 4 is characterized in that, the material of said loam cake (2), lower cover (3), base sleeve (12), filter paper mounting disc (4) and rotating disk (7) is resistant to elevated temperatures 316 stainless steels.
6. engine exhaust gas particulate sampling apparatus according to claim 5 is characterized in that, said two O RunddichtringOs (11), and loam cake filter paper O RunddichtringO (6) and lower cover filter paper O RunddichtringO (17) are FFKM O RunddichtringO, and heatproof reaches 310 ℃.
7. engine exhaust gas particulate sampling apparatus according to claim 6 is characterized in that, said filter paper (5) is glass fiber filter paper, and heatproof reaches 500 ℃.
8. engine exhaust gas particulate sampling apparatus according to claim 7 is characterized in that, said spring (13) is resistant to elevated temperatures cylindrical spring, and heatproof reaches 500 ℃.
9. according to the described engine exhaust gas particulate sampling apparatus of the arbitrary claim of claim 1～7, it is characterized in that it is 2～6 that said rotating disk (7) is gone up filter paper mounting disc (4) quantity of installing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200553523U CN202467980U (en) | 2012-02-21 | 2012-02-21 | Engine exhaust particulate sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200553523U CN202467980U (en) | 2012-02-21 | 2012-02-21 | Engine exhaust particulate sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202467980U true CN202467980U (en) | 2012-10-03 |
Family
ID=46916144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200553523U Expired - Lifetime CN202467980U (en) | 2012-02-21 | 2012-02-21 | Engine exhaust particulate sampling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202467980U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588045A (en) * | 2012-02-21 | 2012-07-18 | 西华大学 | Sampling device for exhaust particles of engine |
| CN104454265A (en) * | 2014-12-31 | 2015-03-25 | 赵忠义 | Automobile energy-saving gas inflow device |
| CN106703941A (en) * | 2017-01-12 | 2017-05-24 | 万志帅 | Active filtering system for automobile exhaust particle emissions |
| CN106703965A (en) * | 2017-03-07 | 2017-05-24 | 荣成船宝发电机有限公司 | Air discharging purifier of fishing-boat electricity generator |
| CN106716106A (en) * | 2014-12-10 | 2017-05-24 | 韩国标准科学研究院 | Microbalance-based fine dust measuring device |
| CN109339925A (en) * | 2018-11-20 | 2019-02-15 | 王世永 | A kind of waterproof device of automobile exhaust pipe |
-
2012
- 2012-02-21 CN CN2012200553523U patent/CN202467980U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588045A (en) * | 2012-02-21 | 2012-07-18 | 西华大学 | Sampling device for exhaust particles of engine |
| CN106716106A (en) * | 2014-12-10 | 2017-05-24 | 韩国标准科学研究院 | Microbalance-based fine dust measuring device |
| CN106716106B (en) * | 2014-12-10 | 2019-07-12 | 韩国标准科学研究院 | Micronic dust measuring device based on microbalance |
| CN104454265A (en) * | 2014-12-31 | 2015-03-25 | 赵忠义 | Automobile energy-saving gas inflow device |
| CN106703941A (en) * | 2017-01-12 | 2017-05-24 | 万志帅 | Active filtering system for automobile exhaust particle emissions |
| CN106703965A (en) * | 2017-03-07 | 2017-05-24 | 荣成船宝发电机有限公司 | Air discharging purifier of fishing-boat electricity generator |
| CN109339925A (en) * | 2018-11-20 | 2019-02-15 | 王世永 | A kind of waterproof device of automobile exhaust pipe |
| CN109339925B (en) * | 2018-11-20 | 2020-11-20 | 安徽众诚信息技术咨询有限公司 | Water inlet prevention device of automobile exhaust pipe |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20130710 |
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| AV01 | Patent right actively abandoned |
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