JP6618393B2 - 汎用エンジン用燃料供給装置 - Google Patents
汎用エンジン用燃料供給装置 Download PDFInfo
- Publication number
- JP6618393B2 JP6618393B2 JP2016051529A JP2016051529A JP6618393B2 JP 6618393 B2 JP6618393 B2 JP 6618393B2 JP 2016051529 A JP2016051529 A JP 2016051529A JP 2016051529 A JP2016051529 A JP 2016051529A JP 6618393 B2 JP6618393 B2 JP 6618393B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- general
- float chamber
- purpose engine
- fuel ratio
- 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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
- F02M7/12—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves
- F02M7/127—Altering the float-chamber pressure
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
-
- 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
- F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
- F02M35/044—Special arrangements of cleaners in or with respect to the air intake system, e.g. in the intake plenum, in ducts or with respect to carburettors
-
- 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
- F02M5/00—Float-controlled apparatus for maintaining a constant fuel level
- F02M5/08—Float-controlled apparatus for maintaining a constant fuel level having means for venting float chambers
-
- 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
- F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
- F02M7/10—Other installations, without moving parts, for influencing fuel/air ratio, e.g. electrical means
- F02M7/11—Altering float-chamber pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
-
- 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
- F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
- F02M17/34—Other carburettors combined or associated with other apparatus, e.g. air filters
-
- 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
- F02M35/024—Air cleaners using filters, e.g. moistened
-
- 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
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
-
- 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
- F02M5/00—Float-controlled apparatus for maintaining a constant fuel level
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Description
前記減圧用連通路は、前記フロート室と前記制御弁との間において分岐し、分岐した一方がエアフィルタを介して大気開放されると共に、前記制御部によって前記制御弁を全閉させることで、前記フロート室が減圧されていない非減圧状態とする。
11 クランクケース
11a 連通口
11b クランク室(クランクケースの内部)
21 吸気口
25 燃焼室
30 汎用エンジン用燃料供給装置
31 吸気ライン
32 排気ライン
34 エギゾーストマニホールド
41 エアクリーナ
42 キャブレタ
43 インテークマニホールド
63 フロート室
63a 通気口
81 減圧用連通路
82 制御弁
83 減圧用ポンプ(ダイヤフラムポンプ)
84 空燃比センサ(O2センサ)
85 制御部
86 エアフィルタ
Claims (2)
- エアクリーナから汎用エンジンの吸気口までの吸気ラインに介在したキャブレタと、
このキャブレタのフロート室と前記エアクリーナとを連通した減圧用連通路と、
この減圧用連通路に介在しており、全閉に制御可能且つ弁開度を連続して制御可能な制御弁と、
前記減圧用連通路に介在しており、前記フロート室内を減圧するように吸引する減圧用ポンプと、
前記汎用エンジンの燃焼室から排出された排気の空燃比を検出する空燃比センサと、
この空燃比センサの検出信号に基づいて前記制御弁の開度を制御する制御部とを備え、
前記減圧用連通路は、前記フロート室と前記制御弁との間において分岐し、分岐した一方がエアフィルタを介して大気開放されると共に、前記制御部によって前記制御弁を全閉させることで、前記フロート室が減圧されていない非減圧状態とする汎用エンジン用燃料供給装置。 - 前記減圧用ポンプは、前記汎用エンジンのクランクケースの内部に交互に発生した負圧と正圧とに応動する、ダイヤフラムポンプによって構成されている、請求項1記載の汎用エンジン用燃料供給装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016051529A JP6618393B2 (ja) | 2016-03-15 | 2016-03-15 | 汎用エンジン用燃料供給装置 |
US15/455,439 US10393069B2 (en) | 2016-03-15 | 2017-03-10 | Fuel supply apparatus including a pressure reduction pump for general purpose engine |
CN201710146203.5A CN107191293B (zh) | 2016-03-15 | 2017-03-13 | 通用发动机用的燃料供给设备 |
EP17160778.1A EP3219972B1 (en) | 2016-03-15 | 2017-03-14 | Fuel supply apparatus for general purpose engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016051529A JP6618393B2 (ja) | 2016-03-15 | 2016-03-15 | 汎用エンジン用燃料供給装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017166393A JP2017166393A (ja) | 2017-09-21 |
JP6618393B2 true JP6618393B2 (ja) | 2019-12-11 |
Family
ID=58347122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016051529A Expired - Fee Related JP6618393B2 (ja) | 2016-03-15 | 2016-03-15 | 汎用エンジン用燃料供給装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10393069B2 (ja) |
EP (1) | EP3219972B1 (ja) |
JP (1) | JP6618393B2 (ja) |
CN (1) | CN107191293B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109882304A (zh) * | 2019-03-29 | 2019-06-14 | 辽宁丰禾伟业科技有限公司 | 一种电喷式弥雾机 |
CN110030118B (zh) * | 2019-04-21 | 2021-05-25 | 福建省福鼎市金星通用机化油器有限公司 | 一种新型补气节油化油器 |
JP7295191B2 (ja) | 2021-09-30 | 2023-06-20 | 本田技研工業株式会社 | 内燃機関 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2982526A (en) * | 1958-12-30 | 1961-05-02 | Sun Oil Co | Arrangement for varying air-fuel ratio |
US3730157A (en) * | 1970-05-25 | 1973-05-01 | Universal Oil Prod Co | Carburetor control system and method for regulating air to fuel ratio |
US3742924A (en) * | 1972-02-24 | 1973-07-03 | Teledyne Ind | Control of air-fuel ratio |
DE2530314C2 (de) * | 1972-08-29 | 1986-07-31 | Robert Bosch Gmbh, 7000 Stuttgart | Vergaser für Brennkraftmaschinen |
GB1543569A (en) * | 1975-02-22 | 1979-04-04 | Lucas Electrical Ltd | Fuel supply system for an internal combustion engine |
FR2377530A1 (fr) * | 1977-01-14 | 1978-08-11 | Sibe | Perfectionnements aux carburateurs pour moteurs a combustion interne |
JPS566053A (en) * | 1979-06-27 | 1981-01-22 | Hitachi Ltd | Air fuel ratio controller used for engine with reactor |
JPS60249655A (ja) | 1984-05-23 | 1985-12-10 | Daihatsu Motor Co Ltd | 空燃比補償装置 |
SE9200523L (sv) * | 1992-02-20 | 1993-04-26 | Electrolux Ab | Foergasarstyrning |
US5299551A (en) * | 1993-02-10 | 1994-04-05 | Tofel Richard M | Carburetor kit for improved air-fuel mixture |
US5309889A (en) * | 1993-02-10 | 1994-05-10 | Tofel Richard M | Carburetor kit for improved air-fuel mixture |
US7263981B2 (en) * | 2005-05-23 | 2007-09-04 | Walbro Engine Management, L.L.C. | Controlling evaporative emissions in a fuel system |
JP4778858B2 (ja) * | 2006-08-01 | 2011-09-21 | 本田技研工業株式会社 | 気化器の残存燃料自動抜取装置 |
DE102008058498B4 (de) * | 2008-11-24 | 2021-09-16 | Andreas Stihl Ag & Co. Kg | Kraftstoffsystem eines handgeführten Arbeitsgerätes |
-
2016
- 2016-03-15 JP JP2016051529A patent/JP6618393B2/ja not_active Expired - Fee Related
-
2017
- 2017-03-10 US US15/455,439 patent/US10393069B2/en active Active
- 2017-03-13 CN CN201710146203.5A patent/CN107191293B/zh not_active Expired - Fee Related
- 2017-03-14 EP EP17160778.1A patent/EP3219972B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
CN107191293B (zh) | 2020-06-02 |
US20170268461A1 (en) | 2017-09-21 |
JP2017166393A (ja) | 2017-09-21 |
CN107191293A (zh) | 2017-09-22 |
EP3219972B1 (en) | 2019-01-23 |
US10393069B2 (en) | 2019-08-27 |
EP3219972A1 (en) | 2017-09-20 |
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