JP4570149B2 - 気体密度比検出装置、濃度検出装置及び燃料蒸気処理装置 - Google Patents

気体密度比検出装置、濃度検出装置及び燃料蒸気処理装置 Download PDF

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Publication number
JP4570149B2
JP4570149B2 JP2005108881A JP2005108881A JP4570149B2 JP 4570149 B2 JP4570149 B2 JP 4570149B2 JP 2005108881 A JP2005108881 A JP 2005108881A JP 2005108881 A JP2005108881 A JP 2005108881A JP 4570149 B2 JP4570149 B2 JP 4570149B2
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JP
Japan
Prior art keywords
gas
air
passage
orifice
detection device
Prior art date
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Expired - Fee Related
Application number
JP2005108881A
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English (en)
Japanese (ja)
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JP2006291709A5 (enExample
JP2006291709A (ja
Inventor
晋祐 高倉
政雄 加納
典保 天野
伸介 清宮
勇作 西村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Toyota Motor Corp
Soken Inc
Original Assignee
Denso Corp
Nippon Soken Inc
Toyota Motor Corp
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Filing date
Publication date
Application filed by Denso Corp, Nippon Soken Inc, Toyota Motor Corp filed Critical Denso Corp
Priority to JP2005108881A priority Critical patent/JP4570149B2/ja
Priority to US11/397,891 priority patent/US7234450B1/en
Publication of JP2006291709A publication Critical patent/JP2006291709A/ja
Publication of JP2006291709A5 publication Critical patent/JP2006291709A5/ja
Application granted granted Critical
Publication of JP4570149B2 publication Critical patent/JP4570149B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • F02D41/0045—Estimating, calculating or determining the purging rate, amount, flow or concentration
    • 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
    • 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
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Measuring Volume Flow (AREA)
JP2005108881A 2005-04-05 2005-04-05 気体密度比検出装置、濃度検出装置及び燃料蒸気処理装置 Expired - Fee Related JP4570149B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005108881A JP4570149B2 (ja) 2005-04-05 2005-04-05 気体密度比検出装置、濃度検出装置及び燃料蒸気処理装置
US11/397,891 US7234450B1 (en) 2005-04-05 2006-04-05 Gas density ratio detector, gas concentration detector, and fuel vapor treatment apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005108881A JP4570149B2 (ja) 2005-04-05 2005-04-05 気体密度比検出装置、濃度検出装置及び燃料蒸気処理装置

Publications (3)

Publication Number Publication Date
JP2006291709A JP2006291709A (ja) 2006-10-26
JP2006291709A5 JP2006291709A5 (enExample) 2008-05-15
JP4570149B2 true JP4570149B2 (ja) 2010-10-27

Family

ID=37412554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005108881A Expired - Fee Related JP4570149B2 (ja) 2005-04-05 2005-04-05 気体密度比検出装置、濃度検出装置及び燃料蒸気処理装置

Country Status (2)

Country Link
US (1) US7234450B1 (enExample)
JP (1) JP4570149B2 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7036359B2 (en) * 2003-07-31 2006-05-02 Aisan Kogyo Kabushiki Kaisha Failure diagnostic system for fuel vapor processing apparatus
JP4550672B2 (ja) * 2005-06-15 2010-09-22 株式会社デンソー 蒸発燃料処理装置
US7464698B2 (en) * 2006-04-26 2008-12-16 Denso Corporation Air-fuel ratio control apparatus of internal combustion engine
US8962206B2 (en) * 2008-11-24 2015-02-24 Daimler Ag Methods of operating fuel cell stacks and systems related thereto
US20120260624A1 (en) * 2010-07-08 2012-10-18 Cleanfuel Holdings, Inc. System and Method for Controlling Evaporative Emissions
US9771884B2 (en) 2014-10-31 2017-09-26 GM Global Technology Operations LLC System and method for controlling the amount of purge fluid delivered to cylinders of an engine based on an operating parameter of a purge pump
US10202914B2 (en) * 2015-09-01 2019-02-12 Ford Global Technologies, Llc Method to determine canister load
JP6332836B2 (ja) * 2015-12-07 2018-05-30 マツダ株式会社 蒸発燃料処理装置
JP6591336B2 (ja) * 2016-03-30 2019-10-16 愛三工業株式会社 蒸発燃料処理装置
US10087857B2 (en) * 2016-09-13 2018-10-02 Ford Global Technologies, Llc Secondary system and method for controlling an engine
DE102018112731A1 (de) * 2018-05-28 2019-11-28 Volkswagen Aktiengesellschaft Verfahren zur Ansteuerung eines Regelventils
CN109372672A (zh) * 2018-09-07 2019-02-22 机科发展科技股份有限公司 流量性能检测方法
US11491438B2 (en) 2020-01-28 2022-11-08 Koninklijke Philips N.V. Oxygen concentrator system and method for operating the same
JP7500494B2 (ja) 2021-04-30 2024-06-17 愛三工業株式会社 リーク診断装置
KR20230172180A (ko) * 2022-06-15 2023-12-22 현대자동차주식회사 차량의 연료 증발 가스의 퍼지율 증가 방법 및 그 증가 장치
KR20230172179A (ko) * 2022-06-15 2023-12-22 현대자동차주식회사 차량의 연료 증발 가스 내의 탄화 수소의 농도 계산 방법 및 그 계산 장치

Family Cites Families (19)

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DE2540223A1 (de) * 1975-09-10 1977-03-24 Bayer Ag Mengenstrommessung, unabhaengig vom fuellgrad und rueckstau nach dem drosselprinzip
US4041757A (en) * 1975-12-30 1977-08-16 Teledyne, Inc. Fluid flowmeter
US4562744A (en) * 1984-05-04 1986-01-07 Precision Measurement, Inc. Method and apparatus for measuring the flowrate of compressible fluids
JPS6144515U (ja) * 1984-08-29 1986-03-24 三菱重工業株式会社 方向表示付オリフイス板
US4748959A (en) * 1987-05-04 1988-06-07 Ford Motor Company Regulation of engine parameters in response to vapor recovery purge systems
US4836032A (en) * 1988-03-07 1989-06-06 Texaco, Inc. Method of determining the quality of steam for stimulating hydrocarbon production
JPH073309Y2 (ja) * 1988-10-11 1995-01-30 横河電機株式会社 一体形差圧センサ
US5363832A (en) * 1992-05-14 1994-11-15 Nippondenso Co., Ltd. Fuel vapor purging control system with air/fuel ratio compensating system for internal combustion engine
JPH06101534A (ja) * 1992-09-21 1994-04-12 Nissan Motor Co Ltd エンジンの蒸発燃料処理装置
US5621657A (en) * 1995-09-25 1997-04-15 Westinghouse Air Brake Company Automatic detection of air flow transducer type under software control
US5676118A (en) * 1995-09-29 1997-10-14 Fuji Jukogyo Kabushiki Kaisha Fuel vapor purge control system of automobile engine
US5596972A (en) * 1995-10-30 1997-01-28 General Motors Corporation Integrated fueling control
WO2001066955A2 (en) * 2000-03-08 2001-09-13 Rosemount Inc. Bi-directional differential pressure flow sensor
US6453887B1 (en) * 2001-03-14 2002-09-24 Nissan Motor Co., Ltd. Fuel vapor emission control device for an engine
JP3818226B2 (ja) * 2001-07-06 2006-09-06 トヨタ自動車株式会社 内燃機関の制御装置
DE10152173A1 (de) * 2001-10-23 2003-04-30 Bosch Gmbh Robert Magnetventil zur Steuerung eines Einspritzventils
US6651514B2 (en) * 2001-11-16 2003-11-25 Daniel Industries, Inc. Dual function flow conditioner and check meter
JP2004162685A (ja) * 2002-09-18 2004-06-10 Nippon Soken Inc 蒸発燃料漏れ検査装置
JP4322799B2 (ja) 2004-03-25 2009-09-02 株式会社日本自動車部品総合研究所 内燃機関の蒸発燃料処理装置

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Publication number Publication date
JP2006291709A (ja) 2006-10-26
US20070157907A1 (en) 2007-07-12
US7234450B1 (en) 2007-06-26

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