JPH0174362U - - Google Patents

Info

Publication number
JPH0174362U
JPH0174362U JP1987169266U JP16926687U JPH0174362U JP H0174362 U JPH0174362 U JP H0174362U JP 1987169266 U JP1987169266 U JP 1987169266U JP 16926687 U JP16926687 U JP 16926687U JP H0174362 U JPH0174362 U JP H0174362U
Authority
JP
Japan
Prior art keywords
fuel
chamber
diaphragm
negative pressure
fuel injection
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.)
Pending
Application number
JP1987169266U
Other languages
English (en)
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 filed Critical
Priority to JP1987169266U priority Critical patent/JPH0174362U/ja
Priority to US07/341,827 priority patent/US4984547A/en
Publication of JPH0174362U publication Critical patent/JPH0174362U/ja
Pending legal-status Critical Current

Links

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
    • F02M69/16—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors
    • F02M69/18—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air
    • F02M69/20—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air the device being a servo-motor, e.g. using engine intake air pressure or vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)

Description

【図面の簡単な説明】
第１図は本考案による燃料噴射装置の第一実施
例の略断面図、第２図は同じく第二実施例の略断
面図である。 １…吸気通路、２…ベンチユリ、５…負圧レギ
ユレータ、６…負圧室、７…第一ダイアフラム、
８…空気室、１２…燃圧レギユレータ、１３…燃
料室、１４…第二ダイアフラム、１７…燃料噴射
室、１７ａ…噴射口、１８…オリフイス、１９…
連結棒、１９ａ…ニードルバルブ。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) ベンチユリの負圧を導入する負圧室と、該
    負圧室と空気室とを画成する第一ダイアフラムと
    からなる負圧レギユレータと、 燃料供給源から燃料を導入する燃料室と、オリ
    フイスを介して前記燃料室と連通すると共に吸気
    通路への噴射口を備えた燃料噴射室と、前記燃料
    室と燃料噴射室とを画成する第二ダイアフラムと
    からなる燃圧レギユレータと、 前記第一ダイアフラムと第二ダイアフラムとを
    前記噴射口を通過して連結せしめると共に前記噴
    射口に対して進退し得る噴射バルブを一体に設け
    た連結部材とを備えた燃料噴射装置。 (2) 前記燃料噴射装置は前記ベンチユリに配設
    されていて前記吸気通路に開口する開口部を前記
    負圧室に設けて前記ベンチユリの負圧を導入する
    ようにしたことを特徴とする実用新案登録請求の
    範囲(1)に記載の燃料噴射装置。 (3) 前記燃料噴射装置を各気筒ごとに配設した
    ことを特徴とする実用新案登録請求の範囲(1)又
    は(2)に記載の燃料噴射装置。 (4) 前記第一ダイアフラムの空気室側と前記第
    二ダイアフラムの燃料室側に夫々スプリングを配
    設すると共に、前記第一ダイアフラムのスプリン
    グの弾力を調整し得るアジヤストスクリユーを設
    けたことを特徴とする実用新案登録請求の範囲(1
    )乃至(3)のいずれかに記載の燃料噴射装置。
JP1987169266U 1987-11-05 1987-11-05 Pending JPH0174362U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987169266U JPH0174362U (ja) 1987-11-05 1987-11-05
US07/341,827 US4984547A (en) 1987-11-05 1989-04-24 Fuel injection system for injection carburetors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987169266U JPH0174362U (ja) 1987-11-05 1987-11-05

Publications (1)

Publication Number Publication Date
JPH0174362U true JPH0174362U (ja) 1989-05-19

Family

ID=15883324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987169266U Pending JPH0174362U (ja) 1987-11-05 1987-11-05

Country Status (2)

Country Link
US (1) US4984547A (ja)
JP (1) JPH0174362U (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4204592A1 (de) * 1992-02-15 1993-08-19 Pierburg Gmbh Brennersystem fuer fluessigen brennstoff
US5843345A (en) * 1995-12-22 1998-12-01 Briggs & Stratton Corporation Pneumatic accelerator for low emission charge forming devices
JP3114696B2 (ja) * 1998-05-15 2000-12-04 双葉電子工業株式会社 模型用エンジンの燃料調整装置及び燃料噴射装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE25672E (en) * 1964-10-27 Fuel injection system
US1955037A (en) * 1930-05-01 1934-04-17 Zenith Carburateurs Soc Gen Device for controlling the fuel supply of internal combustion engines
US2926646A (en) * 1957-01-17 1960-03-01 Chandler Evans Corp Fuel injection system for internal combustion engines
US2957467A (en) * 1958-08-25 1960-10-25 Chrysler Corp Fuel metering system
US3311099A (en) * 1965-10-22 1967-03-28 Wallace E Beaber Fuel injection systems
US3409276A (en) * 1968-01-22 1968-11-05 Messerschmitt Boelkow Blohm Control mechanism for fuel injection apparatus
US4228977A (en) * 1979-01-31 1980-10-21 Yasuo Tanaka Kite

Also Published As

Publication number Publication date
US4984547A (en) 1991-01-15

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