CN107355282A - A kind of processing method of the particulate filter of Vehicle Exhaust Particulate filter - Google Patents
A kind of processing method of the particulate filter of Vehicle Exhaust Particulate filter Download PDFInfo
- Publication number
- CN107355282A CN107355282A CN201710723510.5A CN201710723510A CN107355282A CN 107355282 A CN107355282 A CN 107355282A CN 201710723510 A CN201710723510 A CN 201710723510A CN 107355282 A CN107355282 A CN 107355282A
- Authority
- CN
- China
- Prior art keywords
- housing
- filtering core
- particulate filter
- air inlet
- parts
- 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
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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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
-
- 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
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
- F01N11/005—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus the temperature or pressure being estimated, e.g. by means of a theoretical model
-
- 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
- F01N13/16—Selection of particular materials
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/027—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using electric or magnetic heating means
-
- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- 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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/16—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric heater, i.e. a resistance heater
-
- 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
- F01N2510/00—Surface coverings
- F01N2510/08—Surface coverings for corrosion prevention
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1404—Exhaust gas temperature
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1406—Exhaust gas pressure
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1602—Temperature of exhaust gas apparatus
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1606—Particle filter loading or soot amount
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The present invention relates to vehicle maintenance service technical field, more particularly to a kind of processing method of the particulate filter of Vehicle Exhaust Particulate filter.Step is as follows：Housing is molded by Q235 steel forgings, and its connection end between air inlet pipe and escape pipe is also integral forging forming；First filtering core and the second filtering core are prepared according to prior art；Primary heater, secondary heater, temperature sensor are prepared according to prior art；Housing is placed in pretreatment tank and soaked, immersion is heat-treated 3 hours after terminating directly at 150 DEG C；Temperature sensor, the first filtering core, the second filtering core, primary heater, secondary heater are arranged in housing successively.A kind of particulate filter and its processing method of Vehicle Exhaust Particulate filter, novel in structural design, particularly in its housing, surface by pretreatment form overcoat, so as to improve its wear-resisting and corrosion resistant performance.
Description
Technical field
The present invention relates to vehicle maintenance service technical field, more particularly to a kind of of Vehicle Exhaust Particulate filter
The processing method of grain thing filter.
Background technology
With the lengthening of working time, the particulate matter accumulated on particulate filter is more and more, it will the increase exhaust back of the body
Pressure, influences the ventilation of engine, causes power output to reduce, oil consumption increase, it is therefore desirable to which a kind of method effectively handles particulate matter
Particulate matter on filter.
The content of the invention
, being capable of automatic decision the technical problem to be solved in the present invention is to provide a kind of Vehicle Exhaust Particulate filter
The particulate matter accumulation quantity of grain thing filter, and quantity is accumulated according to particulate matter and carries out particulate regeneration automatically, at the same
Bypass pipe auxiliary exhaust is opened in grain thing regenerative process, ensures engine work.Meanwhile present invention also offers a kind of vapour
The particulate filter and its processing method of tail gas particulate matter filter device.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of Vehicle Exhaust Particulate filter,
Including：Air inlet pipe, escape pipe, the particulate filter being connected between the air inlet pipe and escape pipe, positioned at the particle
The air inlet pressure sensor of the junction of thing filter and air inlet pipe, positioned at the junction of the particulate filter and escape pipe
Outlet pressure sensor, the bypass pipe in parallel with the particulate filter, the magnetic valve in the bypass pipe and
Processor；
The particulate filter includes：The first mistake that housing, the axially spaced-apart positioned at housing described in the housing interior edge arrange
Filter body and the second filtering core, the primary heater and contacted respectively with first filtering core and the second filtering core
Two heaters and the temperature sensor in the housing；
The air inlet pressure sensor, outlet pressure sensor, magnetic valve, primary heater, secondary heater and TEMP
Device is electrically connected with the processor.
One end that the housing is connected with the air inlet pipe is horn-like in gradually expanding toward one end away from air inlet pipe.
The primary heater and secondary heater are resistance heating coil.
A kind of particulate filter of Vehicle Exhaust Particulate filter, both sides are respectively communicated with air inlet pipe and escape pipe,
Including housing, positioned at the first filtering core for arranging of axially spaced-apart of housing interior edge housing and the second filtering core, respectively with the
One filtering core and the primary heater and secondary heater and the TEMP in housing of the contact of the second filtering core
Device；One end that housing is connected with air inlet pipe is horn-like in gradually expanding toward one end away from air inlet pipe.
A kind of processing method of the particulate filter of Vehicle Exhaust Particulate filter, step are as follows：
1., construction and shaping
The both sides of particulate filter are respectively communicated with air inlet pipe and escape pipe, including housing, positioned at the axial direction of housing interior edge housing
Spaced first filtering core and the second filtering core, contacted respectively with the first filtering core and the second filtering core
One heater and secondary heater and the temperature sensor in housing；One end that housing is connected with air inlet pipe is in toward remote
It is horn-like from what one end of air inlet pipe gradually expanded；
Housing is molded by Q235 steel forgings, and its connection end between air inlet pipe and escape pipe is also integral forging forming；
First filtering core and the second filtering core are prepared according to prior art；
Primary heater, secondary heater, temperature sensor are prepared according to prior art；
2., pretreatment
Housing is placed in pretreatment tank and soaked, immersion is heat-treated 3 hours after terminating directly at 150 DEG C；
The component of pretreatment fluid is：11 parts of acrylic emulsion, 6 parts of ethylenediamine tetra-acetic acid, 3 parts of mould inhibitor, 4 parts of dispersant, propylene
2 parts of acetoacetic ester, 1.5 parts of pyraclostrobin, 1.5 parts of Chrysanthemin；
3., assembling
Temperature sensor, the first filtering core, the second filtering core, primary heater, secondary heater are arranged on shell successively
In vivo.
Advantage for present invention is with effect：
1）, the present invention a kind of Vehicle Exhaust Particulate filter, including：Air inlet pipe, escape pipe, it is connected to and the air inlet
Particulate filter between pipe and escape pipe, the admission pressure positioned at the particulate filter and the junction of air inlet pipe pass
Sensor, the outlet pressure sensor positioned at the particulate filter and the junction of escape pipe and the particulate filter
Bypass pipe, the magnetic valve and processor in the bypass pipe of parallel connection；The particulate filter includes：Housing, position
The first filtering core and the second filtering core that are arranged in the axially spaced-apart of housing described in the housing interior edge, respectively with described the
One filtering core and the primary heater and secondary heater and the temperature in the housing of the contact of the second filtering core
Sensor, is capable of the particulate matter accumulation quantity of automatic decision particulate matter filter device, and accumulates quantity according to particulate matter and enter automatically
Row particulate regeneration, while bypass pipe auxiliary exhaust is opened during particulate regeneration, ensure engine work.
2）, a kind of particulate filter and its processing method of Vehicle Exhaust Particulate filter, novel in structural design,
Particularly in its housing, surface by pretreatment form overcoat, so as to improve its wear-resisting and corrosion resistant performance.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structure chart of Vehicle Exhaust Particulate filter of the present invention；
Fig. 2 is the structure chart of particulate filter in a kind of Vehicle Exhaust Particulate filter of the invention；
In figure：Air inlet pipe 1, escape pipe 2, particulate filter 3, air inlet pressure sensor 4, outlet pressure sensor 5, bypass pipe
6th, magnetic valve 7, processor 8, housing 31, the first filtering core 32, the second filtering core 33, primary heater 34, second heat
Device 35, temperature sensor 36.
Embodiment
Embodiment 1
Fig. 1 and Fig. 2 are referred to, the present invention provides a kind of Vehicle Exhaust Particulate filter, including：Air inlet pipe 1, escape pipe 2,
It is connected to particulate filter 3 between the air inlet pipe 1 and escape pipe 2, positioned at the particulate filter 3 and air inlet pipe
The air inlet pressure sensor 4 of 1 junction, the outlet pressure positioned at the particulate filter 3 and the junction of escape pipe 2 pass
Sensor 5, the bypass pipe 6 in parallel with the particulate filter 3, magnetic valve 7 and processor in the bypass pipe 6
8；
The particulate filter 3 includes：Housing 31, the axially spaced-apart positioned at housing 31 described in the interior edge of housing 31 arrange
First filtering core 32 and the second filtering core 33, contacted respectively with the filtering core 33 of the first filtering core 32 and second
Primary heater 34 and secondary heater 35 and the temperature sensor 36 in the housing 31；
The air inlet pressure sensor 4, outlet pressure sensor 5, magnetic valve 7, primary heater 34, secondary heater 35 and
Temperature sensor 36 is electrically connected with the processor 8.
Specifically, one end that the housing 31 is connected with the air inlet pipe 1 is in gradually to expand toward one end away from air inlet pipe 1
It is horn-like.
Specifically, the primary heater 34 and secondary heater 35 are resistance heating coil；
Specifically, the present invention can judge institute by processor according to the pressure difference of outlet pressure sensor 5 and air inlet pressure sensor 4
The accumulation degree of particulate matter in particulate filter 3 is stated, and when particulate matter accumulation is excessive, first is automatically turned on by processor
Heater 34, secondary heater 35 and magnetic valve 7, particulate regeneration is carried out, while by by-passing valve auxiliary exhaust, can kept away
Exempt from particulate filter 3 to block, while ensure engine normal work all the time.
Embodiment 2
A kind of processing method of the particulate filter of Vehicle Exhaust Particulate filter, step are as follows：
1., construction and shaping
The both sides of particulate filter are respectively communicated with air inlet pipe and escape pipe, including housing, positioned at the axial direction of housing interior edge housing
Spaced first filtering core and the second filtering core, contacted respectively with the first filtering core and the second filtering core
One heater and secondary heater and the temperature sensor in housing；One end that housing is connected with air inlet pipe is in toward remote
It is horn-like from what one end of air inlet pipe gradually expanded；
Housing is molded by Q235 steel forgings, and its connection end between air inlet pipe and escape pipe is also integral forging forming；
First filtering core and the second filtering core are prepared according to prior art；
Primary heater, secondary heater, temperature sensor are prepared according to prior art；
2., pretreatment
Housing is placed in pretreatment tank and soaked, immersion is heat-treated 3 hours after terminating directly at 150 DEG C；
The component of pretreatment fluid is：11 parts of acrylic emulsion, 6 parts of ethylenediamine tetra-acetic acid, 3 parts of mould inhibitor, 4 parts of dispersant, propylene
2 parts of acetoacetic ester, 1.5 parts of pyraclostrobin, 1.5 parts of Chrysanthemin；
3., assembling
Temperature sensor, the first filtering core, the second filtering core, primary heater, secondary heater are arranged on shell successively
In vivo.
The present invention is not limited to above-described embodiment, and embodiment is exemplary, it is intended to for explaining the present invention, and can not
It is interpreted as limitation of the present invention.
Claims (1)
1. a kind of processing method of the particulate filter of Vehicle Exhaust Particulate filter, it is characterised in that step is as follows：
1., construction and shaping
The both sides of particulate filter are respectively communicated with air inlet pipe and escape pipe, including housing, positioned at the axial direction of housing interior edge housing
Spaced first filtering core and the second filtering core, contacted respectively with the first filtering core and the second filtering core
One heater and secondary heater and the temperature sensor in housing；One end that housing is connected with air inlet pipe is in toward remote
It is horn-like from what one end of air inlet pipe gradually expanded；
Housing is molded by Q235 steel forgings, and its connection end between air inlet pipe and escape pipe is also integral forging forming；
First filtering core and the second filtering core are prepared according to prior art；
Primary heater, secondary heater, temperature sensor are prepared according to prior art；
2., pretreatment
Housing is placed in pretreatment tank and soaked, immersion is heat-treated 3 hours after terminating directly at 150 DEG C；
The component of pretreatment fluid is：11 parts of acrylic emulsion, 6 parts of ethylenediamine tetra-acetic acid, 3 parts of mould inhibitor, 4 parts of dispersant, propylene
2 parts of acetoacetic ester, 1.5 parts of pyraclostrobin, 1.5 parts of Chrysanthemin；
3., assembling
Temperature sensor, the first filtering core, the second filtering core, primary heater, secondary heater are arranged on shell successively
In vivo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723510.5A CN107355282A (en) | 2017-08-22 | 2017-08-22 | A kind of processing method of the particulate filter of Vehicle Exhaust Particulate filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723510.5A CN107355282A (en) | 2017-08-22 | 2017-08-22 | A kind of processing method of the particulate filter of Vehicle Exhaust Particulate filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107355282A true CN107355282A (en) | 2017-11-17 |
Family
ID=60289170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710723510.5A Pending CN107355282A (en) | 2017-08-22 | 2017-08-22 | A kind of processing method of the particulate filter of Vehicle Exhaust Particulate filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107355282A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005046743A (en) * | 2003-07-29 | 2005-02-24 | Asahi Glass Co Ltd | Method for producing honeycomb filter of silicon nitride |
| CN1603586A (en) * | 2004-10-28 | 2005-04-06 | 桂林利凯特环保实业股份有限公司 | Metal based diesel engine exhaust particles collector, exhaust treatment apparatus and reproduction method |
| CN2769529Y (en) * | 2003-01-07 | 2006-04-05 | 中国环境科学研究院 | Diesel engine exhaust particulate filter electric heating regeneration automatic controlling system |
| CN101300059A (en) * | 2005-09-01 | 2008-11-05 | 通用汽车环球科技运作公司 | Exhaust particulate filter |
| CN104164674A (en) * | 2014-07-31 | 2014-11-26 | 青岛华承天机械制造有限公司 | Metal corrosion inhibitor |
| CN105545439A (en) * | 2015-12-31 | 2016-05-04 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe high in corrosion resistance |
| CN106349416A (en) * | 2016-08-26 | 2017-01-25 | 佛山科学技术学院 | Modified waterborne acrylic emulsion and preparation method thereof |
-
2017
- 2017-08-22 CN CN201710723510.5A patent/CN107355282A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2769529Y (en) * | 2003-01-07 | 2006-04-05 | 中国环境科学研究院 | Diesel engine exhaust particulate filter electric heating regeneration automatic controlling system |
| JP2005046743A (en) * | 2003-07-29 | 2005-02-24 | Asahi Glass Co Ltd | Method for producing honeycomb filter of silicon nitride |
| CN1603586A (en) * | 2004-10-28 | 2005-04-06 | 桂林利凯特环保实业股份有限公司 | Metal based diesel engine exhaust particles collector, exhaust treatment apparatus and reproduction method |
| CN101300059A (en) * | 2005-09-01 | 2008-11-05 | 通用汽车环球科技运作公司 | Exhaust particulate filter |
| CN104164674A (en) * | 2014-07-31 | 2014-11-26 | 青岛华承天机械制造有限公司 | Metal corrosion inhibitor |
| CN105545439A (en) * | 2015-12-31 | 2016-05-04 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe high in corrosion resistance |
| CN106349416A (en) * | 2016-08-26 | 2017-01-25 | 佛山科学技术学院 | Modified waterborne acrylic emulsion and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20171117 |