JP6355963B2 - 蒸発燃料処理装置 - Google Patents
蒸発燃料処理装置 Download PDFInfo
- Publication number
- JP6355963B2 JP6355963B2 JP2014097689A JP2014097689A JP6355963B2 JP 6355963 B2 JP6355963 B2 JP 6355963B2 JP 2014097689 A JP2014097689 A JP 2014097689A JP 2014097689 A JP2014097689 A JP 2014097689A JP 6355963 B2 JP6355963 B2 JP 6355963B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- pressure
- change
- valve
- detected
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
- F02D41/0032—Controlling the purging of the canister as a function of the engine operating conditions
- F02D41/0035—Controlling the purging of the canister as a function of the engine operating conditions to achieve a special effect, e.g. to warm up the catalyst
- F02D41/0037—Controlling the purging of the canister as a function of the engine operating conditions to achieve a special effect, e.g. to warm up the catalyst for diagnosing the engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/0809—Judging failure of purge control system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/0836—Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/0854—Details of the absorption canister
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/0872—Details of the fuel vapour pipes or conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/224—Diagnosis of the fuel system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/089—Layout of the fuel vapour installation
-
- 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)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Description
11 エンジン本体
12 吸気通路
13 燃料噴射弁
14 スロットル弁
15 燃料タンク
16 制御回路
17 給油口
20 蒸発燃料処理装置
21 キャニスタ
22 ベーパ通路
23 パージ通路
24 封鎖弁(開閉弁)
25 パージ弁
26 圧力センサ
27 温度センサ
28 大気通路
28a エアフィルタ
Claims (3)
- 燃料タンク内の蒸発燃料をキャニスタに吸着させ、且つその吸着された蒸発燃料をエンジンに吸入させ、燃料タンクの内圧を検出する圧力センサを備える蒸発燃料処理装置において、
前記圧力センサによって検出された圧力の単位時間当たりの変化が、あり得る燃料タンクの圧力変化の最大値よりも大きい第1所定値以上のとき圧力センサの回路の断線又はショートと判定する圧力センサ故障判定手段を備えることを特徴とする蒸発燃料処理装置。 - 請求項1において、
燃料タンクとキャニスタとを連通させるベーパ通路に設けられ、ベーパ通路を開閉する開閉弁と、
該開閉弁の開度を検出する弁開度検出手段とを備え、
前記圧力センサ故障判定手段は、前記弁開度検出手段によって検出される前記開閉弁の開度の単位時間当たりの変化に対して、あり得る燃料タンクの最大圧力変化より、前記圧力センサによって検出される圧力の単位時間当たりの変化が大きいとき圧力センサの故障と判定することを特徴とする蒸発燃料処理装置。 - 請求項1において、
燃料タンクとキャニスタとを連通させるベーパ通路に設けられ、ベーパ通路を開閉する開閉弁と、
該開閉弁の開度を検出する弁開度検出手段とを備え、
前記圧力センサ故障判定手段は、前記弁開度検出手段によって検出される前記開閉弁の開度の単位時間当たりの変化が第2所定値より小さく、且つ前記圧力センサによって検出される圧力の単位時間当たりの変化が、前記開閉弁の開度の単位時間当たりの変化が第2所定値のときにあり得る燃料タンクの圧力変化の最大値よりも大きい第3所定値以上のとき圧力センサの故障と判定することを特徴とする蒸発燃料処理装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014097689A JP6355963B2 (ja) | 2014-05-09 | 2014-05-09 | 蒸発燃料処理装置 |
DE102015005830.4A DE102015005830B4 (de) | 2014-05-09 | 2015-05-07 | Kraftstoffdampfbehandlungsvorrichtung |
US14/707,138 US9828927B2 (en) | 2014-05-09 | 2015-05-08 | Vaporized fuel treating device |
CN201510232591.XA CN105089865B (zh) | 2014-05-09 | 2015-05-08 | 蒸发燃料处理装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014097689A JP6355963B2 (ja) | 2014-05-09 | 2014-05-09 | 蒸発燃料処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015214918A JP2015214918A (ja) | 2015-12-03 |
JP6355963B2 true JP6355963B2 (ja) | 2018-07-11 |
Family
ID=54336692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014097689A Expired - Fee Related JP6355963B2 (ja) | 2014-05-09 | 2014-05-09 | 蒸発燃料処理装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9828927B2 (ja) |
JP (1) | JP6355963B2 (ja) |
CN (1) | CN105089865B (ja) |
DE (1) | DE102015005830B4 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6087266B2 (ja) * | 2013-12-06 | 2017-03-01 | 愛三工業株式会社 | 蒸発燃料処理装置 |
DE112015003534B4 (de) * | 2014-09-01 | 2021-03-11 | Aisan Kogyo Kabushiki Kaisha | Verarbeitungsvorrichtung für verdampften Kraftstoff |
FR3053398B1 (fr) * | 2016-06-30 | 2018-08-10 | Continental Automotive France | Procede de controle d'une mesure de pression dans un reservoir de carburant |
JP6572915B2 (ja) * | 2017-01-11 | 2019-09-11 | トヨタ自動車株式会社 | 燃料タンクシステム及びその制御方法 |
JP2018159305A (ja) * | 2017-03-22 | 2018-10-11 | トヨタ自動車株式会社 | 蒸発燃料処理装置 |
JP6622859B1 (ja) * | 2018-06-20 | 2019-12-18 | 本田技研工業株式会社 | 燃料供給システム |
JP7195886B2 (ja) * | 2018-11-16 | 2022-12-26 | 株式会社Subaru | 燃料タンク用圧力センサ故障判定装置 |
US11549708B2 (en) | 2020-07-29 | 2023-01-10 | Emerson Electric Co. | Systems and methods for checking status of a pressure transducer |
US11635220B2 (en) * | 2020-07-29 | 2023-04-25 | Emerson Electric Co. | Systems and methods for checking status of a pressure transducer |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2688674B2 (ja) | 1992-01-20 | 1997-12-10 | 本田技研工業株式会社 | 燃料タンク内圧センサの故障検出装置及び故障補償装置 |
JPH07233764A (ja) * | 1994-02-22 | 1995-09-05 | Fuji Heavy Ind Ltd | 車両用蒸発燃料処理装置の自己診断装置 |
JP3329952B2 (ja) | 1994-09-06 | 2002-09-30 | 本田技研工業株式会社 | 蒸発燃料処理装置におけるタンク内圧センサの故障検出装置 |
JP3425652B2 (ja) * | 1995-04-20 | 2003-07-14 | 三菱電機株式会社 | 圧力センサを使用した自己診断装置 |
JP3147781B2 (ja) * | 1995-07-31 | 2001-03-19 | トヨタ自動車株式会社 | 燃料蒸気処理装置の故障診断方法 |
JP3800717B2 (ja) * | 1997-04-28 | 2006-07-26 | マツダ株式会社 | 蒸発燃料供給系の故障診断装置 |
JP3768745B2 (ja) * | 1999-09-24 | 2006-04-19 | 株式会社日立製作所 | 圧力センサの異常検出装置および異常検出方法 |
US6378505B1 (en) | 2000-08-15 | 2002-04-30 | Ford Global Technologies, Inc. | Fuel tank pressure control system |
JP4004911B2 (ja) * | 2002-10-04 | 2007-11-07 | 本田技研工業株式会社 | 内燃機関制御デバイスの故障診断装置 |
KR100598853B1 (ko) | 2004-12-23 | 2006-07-11 | 현대자동차주식회사 | 압력센서의 고장 판단방법 |
JP4607770B2 (ja) * | 2006-01-11 | 2011-01-05 | 株式会社デンソー | 蒸発燃料処理装置 |
JP4703413B2 (ja) | 2006-01-19 | 2011-06-15 | 富士通テン株式会社 | 蒸発燃料処理装置の異常検出装置 |
JP4833825B2 (ja) * | 2006-12-28 | 2011-12-07 | 本田技研工業株式会社 | 圧力センサのチャージアンプ |
US8353273B2 (en) * | 2009-07-14 | 2013-01-15 | GM Global Technology Operations LLC | Method and system for correlating a pressure sensor for a fuel system |
US8342157B2 (en) | 2010-02-18 | 2013-01-01 | GM Global Technology Operations LLC | Checking functionality of fuel tank vapor pressure sensor |
US8447495B2 (en) * | 2010-05-28 | 2013-05-21 | Ford Global Technologies, Llc | Method and system for fuel vapor control |
US8019525B2 (en) * | 2010-05-28 | 2011-09-13 | Ford Global Technologies, Llc | Method and system for fuel vapor control |
US8056540B2 (en) | 2010-05-28 | 2011-11-15 | Ford Global Technologies, Llc | Method and system for fuel vapor control |
EP2619435A4 (en) * | 2010-09-24 | 2017-03-29 | Karma Automotive LLC | System for evaporative and refueling emission control for a vehicle |
-
2014
- 2014-05-09 JP JP2014097689A patent/JP6355963B2/ja not_active Expired - Fee Related
-
2015
- 2015-05-07 DE DE102015005830.4A patent/DE102015005830B4/de active Active
- 2015-05-08 CN CN201510232591.XA patent/CN105089865B/zh not_active Expired - Fee Related
- 2015-05-08 US US14/707,138 patent/US9828927B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20150322902A1 (en) | 2015-11-12 |
JP2015214918A (ja) | 2015-12-03 |
DE102015005830A1 (de) | 2015-11-12 |
CN105089865A (zh) | 2015-11-25 |
CN105089865B (zh) | 2018-04-06 |
DE102015005830B4 (de) | 2019-03-28 |
US9828927B2 (en) | 2017-11-28 |
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