CN101975664B - Motorcycle idle speed emission equivalent measurement method - Google Patents
Motorcycle idle speed emission equivalent measurement method Download PDFInfo
- Publication number
- CN101975664B CN101975664B CN2010102939270A CN201010293927A CN101975664B CN 101975664 B CN101975664 B CN 101975664B CN 2010102939270 A CN2010102939270 A CN 2010102939270A CN 201010293927 A CN201010293927 A CN 201010293927A CN 101975664 B CN101975664 B CN 101975664B
- Authority
- CN
- China
- Prior art keywords
- motorcycle
- measured
- temperature field
- idling
- temperature
- 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
Links
Images
Landscapes
- Testing Of Engines (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a motorcycle idle speed emission equivalent measurement method, which comprises the following steps of: 1) selecting a motorcycle which meets the emission standard; 2) preheating the motorcycle according to GB14621-2002; 3) measuring a standard temperature field; 4) selecting a motorcycle to be measured; 5) rapidly preheating; 6) preheating at an idle speed; 7) regulating the idling speed; 8) measuring a temperature field of the motorcycle to be measured, and if the temperature field is inconsistent with the standard temperature field, continuing a step 9), and if the temperature field is consistent with the standard temperature field, turning to a step 11); 9) completely cooling the motorcycle to be measured; 10) returning to the step 5, and regulating the running speed v; 11) performing idle speed measurement according to GB14621-2002; 12) digitally rounding; 13) recording an idle speed emission measurement result; and 14) returning to the step 4, and performing emission measurement on the next motorcycle. The motorcycle idle speed emission equivalent measurement method can rapidly measure the motorcycle and also can guarantee the accuracy of the measured result.
Description
Technical field
The present invention relates to the measuring method of motorcycle idle exhaust emission, relate in particular to a kind of motorcycle idle exhaust emission equivalent measurement method.
Background technology
In order to protect environment,, must measure by motorcycle between dispatching from the factory, just have only the motorcycle of allow compliance with emission standards to put on market to its exhaust contaminant.GB14621-2002 is the national standard about " motorcycle and trail bike tailpipe emission limit value and measuring method (idling method) ", this national Specification under idling operation the sameization carbon (CO) in motorcycle and the trail bike exhaust, the measuring method of hydrocarbon (HC):
1), start vehicle, carry out the vehicle preheating by one of following condition:
1a) motorcycle moves 10km with speed of a motor vehicle 50km/h, trail bike with speed of a motor vehicle 40km/h;
1b) motorcycle is pressed GB 14622 regulation operating modes, trail bike is pressed GB 18176 regulation operating modes and on chassis dynamometer, moved four circulations;
1c) motorcycle went 15 minutes under normal road traffic condition at least;
2), accomplishing following idling after the vehicle preheating in 10 minutes measures:
2a) add a long 600mm, the private sealing-in pipe of internal diameter φ 40mm at the exhaust silencer afterbody;
2b) keep idling operation, sampling probe is inserted take over, guarantee that insertion depth is 400mm, HC when reading probe insertion back 30s simultaneously and the indicated value of CO are as measured value;
2c) interval 1min, repeating step 2b;
2d) measurement result is got twice arithmetic mean; If during a plurality of gas outlet, get the arithmetic mean of each gas outlet measurement result;
3), the digital revision of the convention: the carbon monoxide behind the revision of the convention (CO) discharge value keeps two decimals; Hydrocarbon (HC) remains into tens;
4), record idle exhaust emission measurement result.
Measuring method in the above GB14621-2002 standard has accuracy and authority; Be applicable to that the batch motorcycle to the same model of manufacturing enterprise carries out random inspection; According to sampling Detection to the batch motorcycle; Thereby the idle exhaust emission of the motorcycle of same model is by the gross assessed, with the discharging of the motorcycle of confirming this model National standard whether.By the GB14621-2002 standard-required vehicle is carried out the idle exhaust emission test, the required time of preheating generally is not less than 720s before detecting, because preheating time is longer, causes the required time of whole testing process oversize.
The sampling Detection of the batch motorcycle National standard of the same model before manufacturing enterprise not only should make and dispatch from the factory also should be carried out discharge measuring to each motorcycle on the production line voluntarily, makes the equal allow compliance with emission standards of each motorcycle of same model.If each motorcycle that adopts the measuring method of GB14621-2002 national standard to be directed against same model in enterprises detects, because preheating time is longer, that will expend considerable time, be unfavorable for enhancing productivity.What also do not have a kind of practicality at present can all measure, can make again its measurement result and the corresponding to motorcycle idle exhaust emission of the measurement result measuring method of using national standard fast to each motorcycle of same model.
Summary of the invention
The technical matters that the present invention solves is: a kind of motorcycle idle exhaust emission equivalent measurement method is provided; This method can reduce preheating time; Each motorcycle to same model is all measured fast, can make its measurement result consistent with the result who uses national standard to measure again.
Technical scheme of the present invention is: a kind of motorcycle idle exhaust emission equivalent measurement method comprises following measuring process:
1), selects a motorcycle that meets discharging standards of model to be measured;
2), start motorcycle, carry out the vehicle preheating by one of following condition:
2a) motorcycle is with speed of a motor vehicle 50km/h operation 10km;
2b) motorcycle is pressed GB 14622 regulation operating modes and on chassis dynamometer, is moved four circulations;
2c) motorcycle went 15 minutes under normal road traffic condition at least;
3), measure engine lubrication oil temperature, the engine spark plug temperature of motorcycle, with this as the standard temperature field;
4), select a motorcycle to be measured;
5), move motorcycle to be measured, with motorcycle rapidly pre-warming to be measured, its travelling speed is v:60km/h≤v≤80km/h, the rapidly pre-warming time is t1:120s≤t1≤180s;
6), motorcycle to be measured is transformed into idling mode, carry out the idling preheating, idling preheating time is t2:60s≤t2≤120s;
7), adjustment idling speed: idling speed is controlled at 1500 ± 100r/min;
8), the temperature field of measuring motorcycle to be measured, promptly the engine lubrication oil temperature of motorcycle to be measured, engine spark plug temperature if the temperature of the temperature field of motorcycle to be measured and standard temperature field is inconsistent, then continue step 9; If the temperature field of motorcycle to be measured is consistent with the temperature of standard temperature field, then jump to step 11;
9), motorcycle to be measured is cooled off fully;
10), turn back to step 5, and adjust the travelling speed v of motorcycle to be measured;
11), accomplishing following idling after the motorcycle preheating to be measured in 10 minutes measures:
11a) add a long 600mm, the private sealing-in pipe of internal diameter φ 40mm at the exhaust silencer afterbody;
11b) keep idling operation, sampling probe is inserted take over, guarantee that insertion depth is 400mm, HC when reading probe insertion back 30s simultaneously and the indicated value of CO are as measured value;
11c) interval 1min, repeating step 11b;
11d) measurement result is got twice arithmetic mean; If during a plurality of gas outlet, get the arithmetic mean of each gas outlet measurement result;
12), the digital revision of the convention: the carbon monoxide emission value behind the revision of the convention keeps two decimals; Hydrocarbon remains into tens;
13), record idle exhaust emission measurement result;
14), turn back to step 4, the motorcycle of next same model is carried out discharge measuring.
Further, the motorcycle travelling speed v=70km/h of step 5, rapidly pre-warming time t1=120s; Motorcycle idling t2=90s preheating time of step 6.
Further, in the step 10, be ± 5km/h to each setting range of travelling speed v.
The invention has the beneficial effects as follows: carry out all needing each motorcycle is carried out preheating before motorcycle emission detects, adopt the measuring method of existing GB14621-2002, all be not less than 720s the preheating time of each motorcycle; When the batch motorcycle that the present invention is directed to same model carries out discharge measuring:
The temperature field at first settles the standard: select a motorcycle that meets discharging standards; And carry out preheating according to the GB14621-2002 method; Measure engine lubrication oil temperature, the engine spark plug temperature of this motorcycle, with these two temperature as the standard temperature field;
Detect the temperature field of motorcycle to be measured then: move motorcycle to be measured, with motorcycle rapidly pre-warming to be measured, its travelling speed is v:60km/h≤v≤80km/h, and the rapidly pre-warming time is t1:120s≤t1≤180s; Motorcycle to be measured is transformed into idling mode, carries out the idling preheating, idling preheating time is t2:60s≤t2≤120s; Adjustment idling speed:, make idling speed low as far as possible guaranteeing that engine does not produce under the situation of shake; Measure the temperature field of motorcycle to be measured, i.e. the engine lubrication oil temperature of motorcycle to be measured, engine spark plug temperature;
Whether the temperature field and the standard temperature field that next contrast motorcycle to be measured meet: if the temperature of the temperature field of motorcycle to be measured and standard temperature field is inconsistent; The travelling speed v that then motorcycle to be measured is cooled off fully and adjust motorcycle to be measured remeasures its temperature field, and is consistent with the standard temperature field up to the temperature field of motorcycle to be measured; After the temperature of the temperature field of motorcycle to be measured and standard temperature field is consistent, then begin to carry out the carbon monoxide to motorcycle to be measured, the measurement of hydrocarbon.
After same motorcycle adopts method of the present invention and GB14621-2002 standard pre-heating mean respectively; When temperature field (lubricating oil temperature, spark plug temperature) is consistent; Its idle exhaust emission measured value also consistent (the CO error is no more than 2%, HC error be no more than 2.5%); Thereby, verified that the temperature field is the principal element that influences the motorcycle idle exhaust emission.When adopting the present invention to the discharge measuring of the batch motorcycle of same model; Only need at first a motorcycle that meets discharging standards to be carried out the preheating of 720s according to GB14621-2002; And be lower than 300s the preheating time of the motorcycle to be measured of other same model; Therefore this method can reduce preheating time; Productive temp is all measured, satisfied to each motorcycle to same model fast, consistent, the assurance precision of test result of the result that its measurement result and use national standard are measured.
In order to verify when when temperature field (lubricating oil temperature, spark plug temperature) is consistent; After same motorcycle adopts method of the present invention and GB14621-2002 standard pre-heating mean respectively; Its idle exhaust emission measured value also consistent (the CO error is no more than 2%, HC error be no more than 2.5%); We have randomly drawed two motorcycles and have carried out following demonstration test: the motorcycle operating speed keeps 70km/h; The motorcycle temperature field is reached fast adopt the requirement of the standard temperature field of GB14621-2002 measurement, the test idle exhaust emission, shown in table 1, table 2:
The graph of a relation of table 1 1# motorcycle preheating time and preheat temperature
The graph of a relation of table 2 2# motorcycle preheating time and preheat temperature
Learn by above-mentioned chart; After two motorcycles adopt the preheating and GB14621-2002 standard pre-heating mean in the inventive method respectively; When temperature field (lubricating oil temperature, spark plug temperature) is consistent; Its idle exhaust emission measured value also consistent (the CO error is no more than 2%, HC error be no more than 2.5%), thereby, verification experimental verification the temperature field be the principal element that influences the motorcycle idle exhaust emission.Comprehensive above-mentioned data analysis can draw: the variation in motorcycle temperature field has direct influence to the test result of idle exhaust emission; When the temperature field reaches unanimity (lubricating oil temperature differs ± and 2 ℃; Spark plug temperature differs ± and 5 ℃) the idle exhaust emission value value of tending towards stability of being tested; As long as the temperature field (lubricating oil temperature, spark plug temperature) of tested motorcycle is consistent with standard temperature field (lubricating oil temperature, spark plug temperature); Can guarantee test result accuracy and credibility, verification experimental verification the temperature field be the principal element that influences the motorcycle idle exhaust emission.
Description of drawings
Fig. 1 is a FB(flow block) of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Embodiment one
Referring to Fig. 1, a kind of motorcycle idle exhaust emission equivalent measurement method comprises following measuring process:
1), selects a motorcycle that meets discharging standards of model to be measured;
2), start motorcycle, carry out the vehicle preheating by one of following condition:
2a) motorcycle is with speed of a motor vehicle 50km/h operation 10km;
2b) motorcycle is pressed GB 14622 regulation operating modes and on chassis dynamometer, is moved four circulations;
2c) motorcycle went 15 minutes under normal road traffic condition at least;
3), measure engine lubrication oil temperature, the engine spark plug temperature of motorcycle, with this as the standard temperature field;
4), select a motorcycle to be measured;
5), move motorcycle to be measured, with motorcycle rapidly pre-warming to be measured, its travelling speed is v=70km/h, the rapidly pre-warming time is t1=120s;
6), motorcycle to be measured is transformed into idling mode, carry out the idling preheating, idling preheating time is t2=90s;
7), adjustment idling speed: idling speed is controlled at 1500 ± 100r/min;
8), the temperature field of measuring motorcycle to be measured, promptly the engine lubrication oil temperature of motorcycle to be measured, engine spark plug temperature if the temperature of the temperature field of motorcycle to be measured and standard temperature field is inconsistent, then continue step 9; If the temperature field of motorcycle to be measured is consistent with the temperature of standard temperature field, then jump to step 11;
9), motorcycle to be measured is cooled off fully;
10), turn back to step 5, and adjust the travelling speed v of motorcycle to be measured, if the temperature field of tested motorcycle is lower than the standard temperature field, the travelling speed v of motorcycle to be measured by at every turn+5km/h adjusts; If the temperature field of tested motorcycle is higher than the standard temperature field, the travelling speed v of motorcycle to be measured by at every turn-5km/h adjusts, and is consistent with the standard temperature field up to the temperature field of tested motorcycle;
11), accomplishing following idling after the motorcycle preheating to be measured in 10 minutes measures:
11a) add a long 600mm, the private sealing-in pipe of internal diameter φ 40mm at the exhaust silencer afterbody;
11b) keep idling operation, sampling probe is inserted take over, guarantee that insertion depth is 400mm, HC when reading probe insertion back 30s simultaneously and the indicated value of CO are as measured value;
11c) interval 1min, repeating step 11b;
11d) measurement result is got twice arithmetic mean; If during a plurality of gas outlet, get the arithmetic mean of each gas outlet measurement result;
12), the digital revision of the convention: the carbon monoxide emission value behind the revision of the convention keeps two decimals; Hydrocarbon remains into tens;
13), record idle exhaust emission measurement result;
14), turn back to step 4, the motorcycle of next same model is carried out discharge measuring.
Embodiment two
Referring to Fig. 1, a kind of motorcycle idle exhaust emission equivalent measurement method comprises following measuring process:
1), selects a motorcycle that meets discharging standards of model to be measured;
2), start motorcycle, carry out the vehicle preheating by one of following condition:
2a) motorcycle is with speed of a motor vehicle 50km/h operation 10km;
2b) motorcycle is pressed GB 14622 regulation operating modes and on chassis dynamometer, is moved four circulations;
2c) motorcycle went 15 minutes under normal road traffic condition at least;
3), measure engine lubrication oil temperature, the engine spark plug temperature of motorcycle, with this as the standard temperature field;
4), select a motorcycle to be measured;
5), move motorcycle to be measured, with motorcycle rapidly pre-warming to be measured, its travelling speed is v=60km/h, the rapidly pre-warming time is t1=150s;
6), motorcycle to be measured is transformed into idling mode, carry out the idling preheating, idling preheating time is t2=60s;
7), adjustment idling speed: idling speed is controlled at 1500 ± 100r/min;
8), the temperature field of measuring motorcycle to be measured, promptly the engine lubrication oil temperature of motorcycle to be measured, engine spark plug temperature if the temperature of the temperature field of motorcycle to be measured and standard temperature field is inconsistent, then continue step 9; If the temperature field of motorcycle to be measured is consistent with the temperature of standard temperature field, then jump to step 11;
9), motorcycle to be measured is cooled off fully;
10), turn back to step 5, and adjust the travelling speed v of motorcycle to be measured, if the temperature field of tested motorcycle is lower than the standard temperature field, the travelling speed v of motorcycle to be measured by at every turn+5km/h adjusts; If the temperature field of tested motorcycle is higher than the standard temperature field, the travelling speed v of motorcycle to be measured by at every turn-5km/h adjusts, and is consistent with the standard temperature field up to the temperature field of tested motorcycle;
11), accomplishing following idling after the motorcycle preheating to be measured in 10 minutes measures:
11a) add a long 600mm, the private sealing-in pipe of internal diameter φ 40mm at the exhaust silencer afterbody;
11b) keep idling operation, sampling probe is inserted take over, guarantee that insertion depth is 400mm, HC when reading probe insertion back 30s simultaneously and the indicated value of CO are as measured value;
11c) interval 1min, repeating step 11b;
11d) measurement result is got twice arithmetic mean; If during a plurality of gas outlet, get the arithmetic mean of each gas outlet measurement result;
12), the digital revision of the convention: the carbon monoxide emission value behind the revision of the convention keeps two decimals; Hydrocarbon remains into tens;
13), record idle exhaust emission measurement result;
14), turn back to step 4, the motorcycle of next same model is carried out discharge measuring.
Embodiment three
Referring to Fig. 1, a kind of motorcycle idle exhaust emission equivalent measurement method comprises following measuring process:
1), selects a motorcycle that meets discharging standards of model to be measured;
2), start motorcycle, carry out the vehicle preheating by one of following condition:
2a) motorcycle is with speed of a motor vehicle 50km/h operation 10km;
2b) motorcycle is pressed GB 14622 regulation operating modes and on chassis dynamometer, is moved four circulations;
2c) motorcycle went 15 minutes under normal road traffic condition at least;
3), measure engine lubrication oil temperature, the engine spark plug temperature of motorcycle, with this as the standard temperature field;
4), select a motorcycle to be measured;
5), move motorcycle to be measured, with motorcycle rapidly pre-warming to be measured, its travelling speed is v=80km/h, the rapidly pre-warming time is t1=180s;
6), motorcycle to be measured is transformed into idling mode, carry out the idling preheating, idling preheating time is t2=120s;
7), adjustment idling speed:, make idling speed low as far as possible guaranteeing that engine does not produce under the situation of shake;
8), the temperature field of measuring motorcycle to be measured, promptly the engine lubrication oil temperature of motorcycle to be measured, engine spark plug temperature if the temperature of the temperature field of motorcycle to be measured and standard temperature field is inconsistent, then continue step 9; If the temperature field of motorcycle to be measured is consistent with the temperature of standard temperature field, then jump to step 11;
9), motorcycle to be measured is cooled off fully;
10), turn back to step 5, and adjust the travelling speed v of motorcycle to be measured, if the temperature field of tested motorcycle is lower than the standard temperature field, the travelling speed v of motorcycle to be measured by at every turn+5km/h adjusts; If the temperature field of tested motorcycle is higher than the standard temperature field, the travelling speed v of motorcycle to be measured by at every turn-5km/h adjusts, and is consistent with the standard temperature field up to the temperature field of tested motorcycle;
11), accomplishing following idling after the motorcycle preheating to be measured in 10 minutes measures:
11a) add a long 600mm, the private sealing-in pipe of internal diameter φ 40mm at the exhaust silencer afterbody;
11b) keep idling operation, sampling probe is inserted take over, guarantee that insertion depth is 400mm, HC when reading probe insertion back 30s simultaneously and the indicated value of CO are as measured value;
11c) interval 1min, repeating step 11b;
11d) measurement result is got twice arithmetic mean; If during a plurality of gas outlet, get the arithmetic mean of each gas outlet measurement result;
12), the digital revision of the convention: the carbon monoxide emission value behind the revision of the convention keeps two decimals; Hydrocarbon remains into tens;
13), record idle exhaust emission measurement result;
14), turn back to step 4, the motorcycle of next same model is carried out discharge measuring.
Claims (3)
1. a motorcycle idle exhaust emission equivalent measurement method is characterized in that, comprises following measuring process:
1), selects a motorcycle that meets discharging standards of model to be measured;
2), start motorcycle, carry out the vehicle preheating by one of following condition:
2a) motorcycle is with speed of a motor vehicle 50km/h operation 10km;
2b) motorcycle is pressed GB 14622 regulation operating modes and on chassis dynamometer, is moved four circulations;
2c) motorcycle went 15 minutes under normal road traffic condition at least;
3), measure engine lubrication oil temperature, the engine spark plug temperature of motorcycle, with this as the standard temperature field;
4), select a motorcycle to be measured;
5), move motorcycle to be measured, with motorcycle rapidly pre-warming to be measured, its travelling speed is v:60km/h≤v≤80km/h, the rapidly pre-warming time is t1:120s≤t1≤180s;
6), motorcycle to be measured is transformed into idling mode, carry out the idling preheating, idling preheating time is t2:60s≤t2≤120s;
7), adjustment idling speed: idling speed is controlled at 1500 ± 100r/min;
8), the temperature field of measuring motorcycle to be measured, promptly the engine lubrication oil temperature of motorcycle to be measured, engine spark plug temperature if the temperature of the temperature field of motorcycle to be measured and standard temperature field is inconsistent, then continue step 9; If the temperature field of motorcycle to be measured is consistent with the temperature of standard temperature field, promptly lubricating oil temperature differ ± 2 ℃, spark plug temperature differs ± 5 ℃, then jumps to step 11;
9), motorcycle to be measured is cooled off fully;
10), turn back to step 5, and adjust the travelling speed v of motorcycle to be measured;
11), accomplishing following idling after the motorcycle preheating to be measured in 10 minutes measures:
11a) add a long 600mm, the private sealing-in pipe of internal diameter φ 40mm at the exhaust silencer afterbody;
11b) keep idling operation, sampling probe is inserted take over, guarantee that insertion depth is 400mm, HC when reading probe insertion back 30s simultaneously and the indicated value of CO are as measured value;
11c) interval 1min, repeating step 11b;
11d) measurement result is got twice arithmetic mean; If during a plurality of gas outlet, get the arithmetic mean of each gas outlet measurement result;
12), the digital revision of the convention: the carbon monoxide emission value behind the revision of the convention keeps two decimals; Hydrocarbon remains into tens;
13), record idle exhaust emission measurement result;
14), turn back to step 4, the motorcycle of next same model is carried out discharge measuring.
2. according to the described motorcycle idle exhaust emission of claim 1 equivalent measurement method, it is characterized in that: the motorcycle travelling speed v=70km/h of step 5, rapidly pre-warming time t1=120s; Motorcycle idling t2=90s preheating time of step 6.
3. according to the described motorcycle idle exhaust emission of claim 1 equivalent measurement method, it is characterized in that: in the step 10, be ± 5km/h each setting range of travelling speed v.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102939270A CN101975664B (en) | 2010-09-27 | 2010-09-27 | Motorcycle idle speed emission equivalent measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102939270A CN101975664B (en) | 2010-09-27 | 2010-09-27 | Motorcycle idle speed emission equivalent measurement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101975664A CN101975664A (en) | 2011-02-16 |
| CN101975664B true CN101975664B (en) | 2012-02-29 |
Family
ID=43575567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102939270A Expired - Fee Related CN101975664B (en) | 2010-09-27 | 2010-09-27 | Motorcycle idle speed emission equivalent measurement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101975664B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692324A (en) * | 2012-06-27 | 2012-09-26 | 镇江跃进机械厂有限公司 | Motorbike idle speed discharging equivalent measurement method |
| CN103698132B (en) * | 2013-08-02 | 2016-08-17 | 道依茨一汽（大连）柴油机有限公司 | A kind of diesel engine test method |
| CN112611575A (en) * | 2020-11-30 | 2021-04-06 | 山西华遇科技开发有限公司 | Equivalent measurement method for idle speed emission of snowfield motorcycle |
| CN114441192B (en) * | 2022-01-26 | 2023-07-04 | 重庆长安汽车股份有限公司 | Test and evaluation method for heat accumulation and power attenuation of passenger car at normal temperature |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2675538A1 (en) * | 1991-04-17 | 1992-10-23 | Bosch Gmbh Robert | METHOD AND DEVICE FOR DETERMINING THE AGING CONDITION OF A CATALYST |
| CN1588086A (en) * | 2004-09-28 | 2005-03-02 | 佛山分析仪有限公司 | Measuring device and its method for motor vehicle exhaust pollutant total amount |
| CN1641334A (en) * | 2004-01-13 | 2005-07-20 | 深圳市汇银实业开发有限公司 | Full-tim e four-wheel drived vehicle exhaust emission detecting method and apparatus |
| CN1789949A (en) * | 2005-12-23 | 2006-06-21 | 中国嘉陵工业股份有限公司（集团） | Matching test method for motorcycle exhaust control |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09151769A (en) * | 1995-11-29 | 1997-06-10 | Unisia Jecs Corp | Diagnostic device for idle speed control device in internal combustion engine |
-
2010
- 2010-09-27 CN CN2010102939270A patent/CN101975664B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2675538A1 (en) * | 1991-04-17 | 1992-10-23 | Bosch Gmbh Robert | METHOD AND DEVICE FOR DETERMINING THE AGING CONDITION OF A CATALYST |
| CN1641334A (en) * | 2004-01-13 | 2005-07-20 | 深圳市汇银实业开发有限公司 | Full-tim e four-wheel drived vehicle exhaust emission detecting method and apparatus |
| CN1588086A (en) * | 2004-09-28 | 2005-03-02 | 佛山分析仪有限公司 | Measuring device and its method for motor vehicle exhaust pollutant total amount |
| CN1789949A (en) * | 2005-12-23 | 2006-06-21 | 中国嘉陵工业股份有限公司（集团） | Matching test method for motorcycle exhaust control |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平9-151769A 1997.06.10 |
| 王固楠.我国机动车排放标准及检测方法简述.《环境科学与管理》.2006,第31卷(第3期),151-153. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101975664A (en) | 2011-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101975664B (en) | Motorcycle idle speed emission equivalent measurement method | |
| CN102602294B (en) | Method and device for displaying fuel economy state of car engine | |
| JP2011106334A (en) | Method of estimating heat release rate of engine using wiebe function model | |
| Bielaczyc et al. | A comparison of carbon dioxide exhaust emissions and fuel consumption for vehicles tested over the NEDC, FTP-75 and WLTC chassis dynamometer test cycles | |
| CN110307988A (en) | A kind of diesel particulate catcher calibration exploitation method for on-line optimization | |
| CN112051077B (en) | GPF reliability test method for whole passenger vehicle | |
| CN202453201U (en) | Vehicle emission detecting system by steady-state condition method | |
| Kadijk et al. | NOx emissions of Euro 5 and Euro 6 diesel passenger cars-test results in the lab and on the road | |
| CN106323649A (en) | Motorcycle emission measuring method | |
| CN114019113B (en) | Motor vehicle exhaust dynamic monitoring method and device based on multimode data correction | |
| CN107218146B (en) | Characteristic self-learning device of wide-range oxygen sensor and application method thereof | |
| CN102692324A (en) | Motorbike idle speed discharging equivalent measurement method | |
| Liu et al. | PN Emission Measurements and Real-Driving-Emissions (RDE) Simulation on China 6 Light-Duty Gasoline Vehicles | |
| Hawley et al. | Vehicle modal emissions measurement—Techniques and issues | |
| TW200632300A (en) | Detection device and method for engine misfiring, saddle-riding type vehicle | |
| CN103116009B (en) | Measuring and calculating method of carbon oxidization factor of car gas | |
| CN112611575A (en) | Equivalent measurement method for idle speed emission of snowfield motorcycle | |
| Meiklejohn | The effect of hydrogen substitution on the real-world CO₂, NOx, and PM emissions of a heavy-duty diesel truck | |
| Della Ragione et al. | Emission factors evaluation in the RDE context by a multivariate statistical approach | |
| Kadijk et al. | Variations of real-world NOx emissions of diesel light commercial vehicles | |
| CN114837833B (en) | Method and device for reducing tempering hazard of natural gas hydrogen-doped engine | |
| CN115372003A (en) | Test method for engine pre-ignition | |
| Yoo et al. | A Study on Waveform Analysis of Oxygen Sensor, Injector and Secondary Waveform through Emission Characteristics by a Decrepit Vehicle | |
| CN103234760A (en) | Testing method for judging consistency of original emission performance of engine | |
| Alessandrini et al. | Does European Type approval procedure encourage the diffusion of hybrid and other low emission vehicles? |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151116 Address after: 400054 Banan District, Chongqing building Avenue, No. 2, building 1 Patentee after: CHONGQING CONSTRUCTION ELECTROMECHANICAL CO., LTD. Address before: 400054 Huaxi Industrial Park, Banan District, Chongqing Road, No. 1 Patentee before: Chongqing Jianshe Motorcycle Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 Termination date: 20170927 |