CN108979802A - 一种无压力传感器的尿素泵泵压控制方法 - Google Patents
一种无压力传感器的尿素泵泵压控制方法 Download PDFInfo
- Publication number
- CN108979802A CN108979802A CN201810783878.5A CN201810783878A CN108979802A CN 108979802 A CN108979802 A CN 108979802A CN 201810783878 A CN201810783878 A CN 201810783878A CN 108979802 A CN108979802 A CN 108979802A
- Authority
- CN
- China
- Prior art keywords
- urea
- pump
- pressure
- nozzle
- pressure sensor
- 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.)
- Granted
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1433—Pumps
- F01N2610/144—Control thereof
-
- 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
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810783878.5A CN108979802B (zh) | 2018-07-17 | 2018-07-17 | 一种无压力传感器的尿素泵泵压控制方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810783878.5A CN108979802B (zh) | 2018-07-17 | 2018-07-17 | 一种无压力传感器的尿素泵泵压控制方法 |
Publications (2)
Publication Number | Publication Date |
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CN108979802A true CN108979802A (zh) | 2018-12-11 |
CN108979802B CN108979802B (zh) | 2020-07-03 |
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Family Applications (1)
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CN201810783878.5A Active CN108979802B (zh) | 2018-07-17 | 2018-07-17 | 一种无压力传感器的尿素泵泵压控制方法 |
Country Status (1)
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CN (1) | CN108979802B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109653844A (zh) * | 2018-12-27 | 2019-04-19 | 凯龙高科技股份有限公司 | 一种尿素溶液供给泵压力稳定的控制方法 |
CN112761763A (zh) * | 2021-01-04 | 2021-05-07 | 潍柴动力股份有限公司 | 一种尿素喷射系统的控制方法及其控制装置 |
CN113606022A (zh) * | 2021-08-12 | 2021-11-05 | 潍柴动力股份有限公司 | 尿素管路压力控制方法、发动机 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040088969A1 (en) * | 2002-07-12 | 2004-05-13 | Lewis Donald James | Adaptive engine control for low emission vehicle starting |
CN102155279A (zh) * | 2011-04-19 | 2011-08-17 | 潍柴动力股份有限公司 | 用于控制柴油发动机的尿素喷射系统的设备和方法 |
GB2503096A (en) * | 2013-05-02 | 2013-12-18 | Daimler Ag | Exhaust dosing device diagnosis |
CN103527293A (zh) * | 2013-10-08 | 2014-01-22 | 潍柴动力股份有限公司 | 一种尿素喷射控制方法和控制单元 |
CN204591425U (zh) * | 2015-05-14 | 2015-08-26 | 重庆长安伟世通发动机控制系统有限公司 | 无反馈电路条件下的摩托车氧传感器故障在线自诊断系统 |
CN106837488A (zh) * | 2017-01-06 | 2017-06-13 | 无锡威孚力达催化净化器有限责任公司 | Scr前馈控制计算方法 |
CN106837480A (zh) * | 2016-12-26 | 2017-06-13 | 潍柴动力股份有限公司 | 一种基于模型的尿素喷射量控制方法及后处理控制系统 |
-
2018
- 2018-07-17 CN CN201810783878.5A patent/CN108979802B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040088969A1 (en) * | 2002-07-12 | 2004-05-13 | Lewis Donald James | Adaptive engine control for low emission vehicle starting |
CN102155279A (zh) * | 2011-04-19 | 2011-08-17 | 潍柴动力股份有限公司 | 用于控制柴油发动机的尿素喷射系统的设备和方法 |
GB2503096A (en) * | 2013-05-02 | 2013-12-18 | Daimler Ag | Exhaust dosing device diagnosis |
CN103527293A (zh) * | 2013-10-08 | 2014-01-22 | 潍柴动力股份有限公司 | 一种尿素喷射控制方法和控制单元 |
CN204591425U (zh) * | 2015-05-14 | 2015-08-26 | 重庆长安伟世通发动机控制系统有限公司 | 无反馈电路条件下的摩托车氧传感器故障在线自诊断系统 |
CN106837480A (zh) * | 2016-12-26 | 2017-06-13 | 潍柴动力股份有限公司 | 一种基于模型的尿素喷射量控制方法及后处理控制系统 |
CN106837488A (zh) * | 2017-01-06 | 2017-06-13 | 无锡威孚力达催化净化器有限责任公司 | Scr前馈控制计算方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109653844A (zh) * | 2018-12-27 | 2019-04-19 | 凯龙高科技股份有限公司 | 一种尿素溶液供给泵压力稳定的控制方法 |
CN112761763A (zh) * | 2021-01-04 | 2021-05-07 | 潍柴动力股份有限公司 | 一种尿素喷射系统的控制方法及其控制装置 |
CN112761763B (zh) * | 2021-01-04 | 2022-07-15 | 潍柴动力股份有限公司 | 一种尿素喷射系统的控制方法及其控制装置 |
CN113606022A (zh) * | 2021-08-12 | 2021-11-05 | 潍柴动力股份有限公司 | 尿素管路压力控制方法、发动机 |
CN113606022B (zh) * | 2021-08-12 | 2022-08-05 | 潍柴动力股份有限公司 | 尿素管路压力控制方法、发动机 |
Also Published As
Publication number | Publication date |
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CN108979802B (zh) | 2020-07-03 |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A pressure control method of urea pump without pressure sensor Effective date of registration: 20211220 Granted publication date: 20200703 Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG ATK ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2021980015754 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230109 Granted publication date: 20200703 Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG ATK ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2021980015754 |