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JPS60162267U - 分配型燃料噴射ポンプ - Google Patents

分配型燃料噴射ポンプ

Info

Publication number
JPS60162267U
JPS60162267U JP1984049875U JP4987584U JPS60162267U JP S60162267 U JPS60162267 U JP S60162267U JP 1984049875 U JP1984049875 U JP 1984049875U JP 4987584 U JP4987584 U JP 4987584U JP S60162267 U JPS60162267 U JP S60162267U
Authority
JP
Japan
Prior art keywords
pump chamber
communication
chamber
solenoid valve
plunger
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
JP1984049875U
Other languages
English (en)
Inventor
忠志 小林
真哉 野崎
恵一 山田
Original Assignee
株式会社ボッシュオートモーティブ　システム
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 株式会社ボッシュオートモーティブ　システム filed Critical 株式会社ボッシュオートモーティブ　システム
Priority to JP1984049875U priority Critical patent/JPS60162267U/ja
Priority to US06/718,806 priority patent/US4604979A/en
Publication of JPS60162267U publication Critical patent/JPS60162267U/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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/447—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston means specially adapted to limit fuel delivery or to supply excess of fuel temporarily, e.g. for starting of the engine
    • 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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
    • F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
    • F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
    • F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection timing
    • F02M41/125—Variably-timed valves controlling fuel 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/38—Pumps characterised by adaptations to special uses or conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
図面は本考案の一実施例を示し、第１図は分配型燃料噴
射ポンプの縦断面図、第２図は第１切換位置にある切換
弁の縦断面図、第３図は第２切換位置にある切換弁の縦
断面図、第４図は第３切換位置にある切換弁の縦断面図
である。 １・・・・・・分配型燃料噴射ポンプ、３・・・・・・
駆動軸、５・・・・・・ポンプ室、７・・・・・・プラ
ンジャ、１５・・・・・・プランジャ加圧室、１８・・
・・・・電磁弁、２５・・・・・・流通口、２８・・・
・・・切換弁、３１・・・・・・吸入スリットミ３　　
・２・・・・・・絞り通路、３８・・・・・・ばね、４
７・・・・・・制御装置、４６・・・・・・２次ストッ
パ（第１切換状態に保授する手段）。

Claims (1)

    【実用新案登録請求の範囲】
  1. ポンプ室内の燃料油をボブランジャ加圧室内に一入し、
    該プランジャ加圧室内や燃料油を駆動軸の回転に伴い回
    転往復運動するプランジャで機関の各気筒に分配圧送す
    る分配型燃料噴射ポンプにおいて、前記プランジャに前
    記プランジャ加圧室と連通させて設けられた前記気筒数
    と同数の吸入スリットと、前記ポンプ室とプランジャ加
    圧室との間を連通及び遮断する電磁弁と、前記機関の始
    動時ばねの付勢力にて前記ポンプ室と電磁弁の流通口と
    の間を遮断すると同時にポンプ室と吸入スリットとの間
    を連通ずる第１切換状態に且つ機関の始動時以外の運転
    時ポンプ室の燃料油圧によりばねの付勢力に抗してポン
    プ室と吸入スリットとの間を遮断すると同時にポンプ室
    と電磁弁との間を連通ずる第２切換状態にそれぞれ切換
    制御される切換弁と、該切換弁と吸入スリットとの間の
    連通系路に設けられて負荷があっても前記機関が低速回
    転を維持し得る流量となる絞り面積に設定された絞り通
    路と、機関の始動時以外の運転時前記電磁弁を開閉する
    ことによって噴射量及び噴射時期を制御する溢流量制御
    状態とすべく電磁弁を制御する制御装置と、該制御装置
    及び電磁弁等が故障した際前記切換弁をポンプ室の燃料
    油圧に抗し　　、て前記第１切換状態に保持する手段と
    を具備したことを特徴とする分配型燃料噴射ポンプ。
JP1984049875U 1984-04-05 1984-04-05 分配型燃料噴射ポンプ Pending JPS60162267U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1984049875U JPS60162267U (ja) 1984-04-05 1984-04-05 分配型燃料噴射ポンプ
US06/718,806 US4604979A (en) 1984-04-05 1985-04-02 Electronically controlled distributor type fuel injection pump for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984049875U JPS60162267U (ja) 1984-04-05 1984-04-05 分配型燃料噴射ポンプ

Publications (1)

Publication Number Publication Date
JPS60162267U true JPS60162267U (ja) 1985-10-28

Family

ID=12843218

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984049875U Pending JPS60162267U (ja) 1984-04-05 1984-04-05 分配型燃料噴射ポンプ

Country Status (2)

Country Link
US (1) US4604979A (ja)
JP (1) JPS60162267U (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3703438A1 (de) * 1987-02-05 1988-08-18 Bosch Gmbh Robert Kraftstoffeinspritzpumpe fuer brennkraftmaschinen
DE3937709A1 (de) * 1989-11-13 1991-05-16 Bosch Gmbh Robert Kraftstoffeinspritzpumpe fuer brennkraftmaschinen
DE4019642A1 (de) * 1990-06-20 1992-01-02 Bosch Gmbh Robert Kraftstoffeinspritzpumpe fuer brennkraftmaschinen
JPH0979102A (ja) * 1995-09-11 1997-03-25 Zexel Corp 燃料噴射ポンプ
DE112011105285B4 (de) * 2011-05-27 2020-10-29 Toyota Jidosha Kabushiki Kaisha Druckregler

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5791366A (en) * 1980-10-04 1982-06-07 Lucas Industries Ltd Liquid fuel injection pump device
JPS5765857A (en) * 1980-10-08 1982-04-21 Nissan Motor Co Ltd Injection rate control device of distribution type fuel injection pump
IT1150843B (it) * 1982-04-19 1986-12-17 Spica Spa Regolatore di mandata per pompa di iniezione del combustibile
US4475507A (en) * 1982-07-21 1984-10-09 Nippondenso Co., Ltd. Fuel injection amount control
JPS60135647A (ja) * 1983-12-22 1985-07-19 Toyota Motor Corp デイ−ゼルエンジンの燃料噴射装置

Also Published As

Publication number Publication date
US4604979A (en) 1986-08-12

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