EP1106814B1 - Evaporated fuel treating apparatus and method - Google Patents

Evaporated fuel treating apparatus and method Download PDF

Info

Publication number
EP1106814B1
EP1106814B1 EP20000310424 EP00310424A EP1106814B1 EP 1106814 B1 EP1106814 B1 EP 1106814B1 EP 20000310424 EP20000310424 EP 20000310424 EP 00310424 A EP00310424 A EP 00310424A EP 1106814 B1 EP1106814 B1 EP 1106814B1
Authority
EP
European Patent Office
Prior art keywords
passage
air
drain
separator
wall portion
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 - Lifetime
Application number
EP20000310424
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1106814A3 (en
EP1106814A2 (en
Inventor
Naoki Maeda
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of EP1106814A2 publication Critical patent/EP1106814A2/en
Publication of EP1106814A3 publication Critical patent/EP1106814A3/en
Application granted granted Critical
Publication of EP1106814B1 publication Critical patent/EP1106814B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F02M2025/0863—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 with means dealing with condensed fuel or water, e.g. having a liquid trap

Definitions

  • an evaporation passage communicating with a fuel tank, a purge passage communicating with the intake system in the internal combustion engine, and a drain passage communicating with atmospheric air are connected to the canister of the evaporated fuel treating apparatus mentioned above.
  • An object of the present invention is to provide an evaporated fuel treating apparatus and an evaporated fuel treating method both of which can effectively prevent water from entering into a canister via a drain passage so as to improve evaporated fuel adsorbing performance of the canister.
  • An evaporation passage 4 communicating with the fuel tank 2, a purge passage 5 communicating with an intake passage 3a of an intake system in an internal combustion engine 3, and a drain passage 6 communicating with an external portion (atmospheric air) are connected to the canister 1.
  • the separator 8 is provided with a connector portion 8a connected with the first drain passage 6A so as to communicate therewith, a side wall portion 8b having an area greater than that of the drain passage 6A, and a bottom wall portion 8c closing a lower end thereof, as shown in Fig. 3.
  • a plurality of ports 16 opened to atmospheric air and a plurality of drain holes 17 are respectively formed in the side wall portion 8b and the bottom wall portion 8c.
  • the one-way valve 9a for restricting intake of atmospheric air is provided in the drain box 9 provided in atmospheric air side end portion of the second drain passage 6B arranged in the lower portion of the vehicle, the second drain passage 6B communicates with atmospheric air only at an exhaust time, so that it is possible to keep exhaust gas away from the inside of the occupant compartment in the vehicle and it is possible to effectively prevent water from entering from the second drain passage 6B, which is arranged in the lower portion of the vehicle and may be easily affected by water splashing or the like.

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)
  • Separation Of Gases By Adsorption (AREA)
EP20000310424 1999-11-30 2000-11-23 Evaporated fuel treating apparatus and method Expired - Lifetime EP1106814B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP34061899 1999-11-30
JP34061899A JP3675263B2 (ja) 1999-11-30 1999-11-30 蒸発燃料処理装置

Publications (3)

Publication Number Publication Date
EP1106814A2 EP1106814A2 (en) 2001-06-13
EP1106814A3 EP1106814A3 (en) 2002-03-27
EP1106814B1 true EP1106814B1 (en) 2003-10-08

Family

ID=18338706

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000310424 Expired - Lifetime EP1106814B1 (en) 1999-11-30 2000-11-23 Evaporated fuel treating apparatus and method

Country Status (3)

Country Link
EP (1) EP1106814B1 (ja)
JP (1) JP3675263B2 (ja)
DE (1) DE60005771T2 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4935456B2 (ja) * 2007-03-27 2012-05-23 日産自動車株式会社 キャニスタの吸排気装置およびキャニスタの吸排気用ドレイン容器
JP5045425B2 (ja) 2007-12-25 2012-10-10 マツダ株式会社 キャニスタ構造
JP7473874B2 (ja) * 2020-05-14 2024-04-24 三菱自動車工業株式会社 車両のキャニスタ装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05223023A (ja) * 1992-02-07 1993-08-31 Toyota Motor Corp キャニスタ保護装置
JP3131306B2 (ja) * 1992-09-18 2001-01-31 マツダ株式会社 車両の蒸発燃料処理装置
JP3500865B2 (ja) * 1995-12-19 2004-02-23 日産自動車株式会社 自動車のキャニスター構造
JPH09296755A (ja) * 1996-05-07 1997-11-18 Honda Motor Co Ltd キャニスタの吸排気構造
JP3330048B2 (ja) * 1997-03-04 2002-09-30 本田技研工業株式会社 キャニスタのドレンパイプ
JPH10281020A (ja) * 1997-04-01 1998-10-20 Suzuki Motor Corp キャニスタの取付ブラケット
JPH11340618A (ja) 1998-05-25 1999-12-10 Fujitsu Ten Ltd 半田付け装置の酸素濃度制御装置

Also Published As

Publication number Publication date
JP3675263B2 (ja) 2005-07-27
EP1106814A3 (en) 2002-03-27
JP2001152972A (ja) 2001-06-05
DE60005771D1 (de) 2003-11-13
EP1106814A2 (en) 2001-06-13
DE60005771T2 (de) 2004-08-12

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