JP4464243B2 - エンジンの吸気装置 - Google Patents
エンジンの吸気装置 Download PDFInfo
- Publication number
- JP4464243B2 JP4464243B2 JP2004304702A JP2004304702A JP4464243B2 JP 4464243 B2 JP4464243 B2 JP 4464243B2 JP 2004304702 A JP2004304702 A JP 2004304702A JP 2004304702 A JP2004304702 A JP 2004304702A JP 4464243 B2 JP4464243 B2 JP 4464243B2
- Authority
- JP
- Japan
- Prior art keywords
- intake
- intake duct
- fuel injector
- height
- engine
- 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
- 239000000446 fuel Substances 0.000 claims description 49
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 239000002828 fuel tank Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/04—Injectors peculiar thereto
- F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
- F02M69/043—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the intake conduit upstream of an air throttle valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B17/00—Engines characterised by means for effecting stratification of charge in cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B31/00—Modifying induction systems for imparting a rotation to the charge in the cylinder
- F02B31/08—Modifying induction systems for imparting a rotation to the charge in the cylinder having multiple air inlets
- F02B31/087—Modifying induction systems for imparting a rotation to the charge in the cylinder having multiple air inlets having three or more inlet valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10026—Plenum chambers
- F02M35/10039—Intake ducts situated partly within or on the plenum chamber housing
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/10177—Engines having multiple fuel injectors or carburettors per cylinder
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10216—Fuel injectors; Fuel pipes or rails; Fuel pumps or pressure regulators
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/108—Intake manifolds with primary and secondary intake passages
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
- F02M35/162—Motorcycles; All-terrain vehicles, e.g. quads, snowmobiles; Small vehicles, e.g. forklifts
-
- 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
- F02M9/00—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position
- F02M9/08—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Description
図1は、本発明の一実施形態にかかる自動二輪車の全体構造を示す側面図である。この自動二輪車は、車体フレームFRの前端にフロントフォーク3が支持され、このフロントフォーク3の下端部に前輪4が支持されている。車体フレームFRの中央下部には、スイングアームブラケット5が形成されており、これにスイングアーム6が上下揺動可能に軸支されて、このスイングアーム6に後輪7が支持されている。
9a 吸気口
12 吸気通路
20 第1の燃料インジェクタ
21 第2の燃料インジェクタ
22 吸気ダクト
22a 吸気ダクトの前部の壁
22b 吸気ダクトの後部の壁
22c 吸気ダクトの側部の壁
90 底壁
E エンジン
A,A1〜A3 空気
F 燃料
Claims (6)
- 吸気通路内に突出した吸気ダクトの上流側に、燃料を前記吸気ダクトに向けて噴射する燃料インジェクタを備え、
前記吸気ダクトの後部の壁の高さが前部の壁の高さよりも高く設定されており、
前記吸気ダクトの前部の壁の高さが前記燃料インジェクタの噴射口よりも低く設定されているエンジンの吸気装置。 - 請求項1において、
前記吸気ダクトの後部の壁の上端が、前記燃料インジェクタの噴射口よりも高く設定されたエンジンの吸気装置。 - 請求項1または2において、
前記吸気ダクトの前部の壁および後部の壁をつなぐ側部の壁の上端が、前記燃料インジェクタの噴射口との間に、前記吸気ダクトの軸心方向の隙間を有するように設定されているエンジンの吸気装置。 - 請求項3において、
前記吸気ダクトの前部の壁および後部の壁をつなぐ側部の壁の上端が凹んだ形状に形成されたエンジンの吸気装置。 - 請求項1から4のいずれか一項において、前記燃料インジェクタは、前記吸気通路に設けたエアクリーナの、前記吸気ダクトに対向する部分に配置されており、前記燃料インジェクタが配置された前記吸気ダクト上方の吸気空間が、前記吸気通路における該吸気空間の上流側よりも狭く形成されているエンジンの吸気装置。
- 吸気通路内に突出した吸気ダクトの上流側に、燃料を前記吸気ダクトに向けて噴射する燃料インジェクタを備え、
前記吸気ダクトの前部の壁の高さが後部の壁の高さよりも低く設定されており、
前記燃料インジェクタは、前記吸気通路に設けたエアクリーナの、前記吸気ダクトに対向する部分に配置されており、前記燃料インジェクタが配置された前記吸気ダクト上方の吸気空間が、前記吸気通路における該吸気空間の上流側よりも狭く形成されているエンジンの吸気装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004304702A JP4464243B2 (ja) | 2004-08-25 | 2004-10-19 | エンジンの吸気装置 |
US11/207,224 US7237522B2 (en) | 2004-08-25 | 2005-08-19 | Intake system for combustion engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004245295 | 2004-08-25 | ||
JP2004304702A JP4464243B2 (ja) | 2004-08-25 | 2004-10-19 | エンジンの吸気装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006090289A JP2006090289A (ja) | 2006-04-06 |
JP4464243B2 true JP4464243B2 (ja) | 2010-05-19 |
Family
ID=35941269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004304702A Expired - Fee Related JP4464243B2 (ja) | 2004-08-25 | 2004-10-19 | エンジンの吸気装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7237522B2 (ja) |
JP (1) | JP4464243B2 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4754276B2 (ja) * | 2005-06-17 | 2011-08-24 | 川崎重工業株式会社 | 自動二輪車 |
JP2007107505A (ja) * | 2005-10-17 | 2007-04-26 | Yamaha Motor Co Ltd | 自動二輪車 |
JP4785581B2 (ja) * | 2006-03-22 | 2011-10-05 | 本田技研工業株式会社 | 自動2輪車の電装品支持構造 |
DE102008001111B4 (de) * | 2008-04-10 | 2019-03-28 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine und Brennkraftmaschine |
US8205698B2 (en) * | 2008-09-30 | 2012-06-26 | Honda Motor Company, Ltd. | Vehicles and methods of controlling intake airflow |
US8826888B1 (en) * | 2009-04-06 | 2014-09-09 | Cleanflex Power Systems, LLC | Apparatus for reducing engine emissions utilizing multiple types of fuels |
JP5451491B2 (ja) * | 2010-03-31 | 2014-03-26 | 本田技研工業株式会社 | 車両 |
JP6117001B2 (ja) * | 2013-05-27 | 2017-04-19 | 川崎重工業株式会社 | 自動二輪車のエアクリーナ |
AU2016201610A1 (en) * | 2015-11-10 | 2017-05-25 | Kenneth Somerville | Device and Snorkel Air Intake Comprising Device |
US10995708B2 (en) | 2016-11-04 | 2021-05-04 | Piaggio & C. S.P.A. | Internal combustion engine with an improved intake system and motorvehicle thereof |
IT201600111203A1 (it) * | 2016-11-04 | 2018-05-04 | Piaggio & C Spa | Motore endotermico con sistema di aspirazione migliorato e relativo motoveicolo |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3886217B2 (ja) * | 1997-03-27 | 2007-02-28 | ヤマハ発動機株式会社 | 4サイクルエンジンの吸気装置 |
US6095105A (en) * | 1999-03-01 | 2000-08-01 | Ford Global Technologies, Inc. | Plenum/runner module having integrated engine valve cover |
US6886532B2 (en) * | 2001-03-13 | 2005-05-03 | Nissan Motor Co., Ltd. | Intake system of internal combustion engine |
JP4077266B2 (ja) | 2002-07-30 | 2008-04-16 | ヤマハ発動機株式会社 | 自動二輪車用エンジンの燃料供給装置 |
US7104236B2 (en) * | 2003-09-30 | 2006-09-12 | Honda Motor Co., Ltd. | Intake air management apparatus for a vehicle, and motorcycle including same |
-
2004
- 2004-10-19 JP JP2004304702A patent/JP4464243B2/ja not_active Expired - Fee Related
-
2005
- 2005-08-19 US US11/207,224 patent/US7237522B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20060042603A1 (en) | 2006-03-02 |
JP2006090289A (ja) | 2006-04-06 |
US7237522B2 (en) | 2007-07-03 |
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