JPH0387938U - - Google Patents

Info

Publication number
JPH0387938U
JPH0387938U JP14904789U JP14904789U JPH0387938U JP H0387938 U JPH0387938 U JP H0387938U JP 14904789 U JP14904789 U JP 14904789U JP 14904789 U JP14904789 U JP 14904789U JP H0387938 U JPH0387938 U JP H0387938U
Authority
JP
Japan
Prior art keywords
fuel injection
injection pump
delivery valve
notch
pump according
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.)
Granted
Application number
JP14904789U
Other languages
Japanese (ja)
Other versions
JPH0724597Y2 (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 JP14904789U priority Critical patent/JPH0724597Y2/en
Priority to DE19904041450 priority patent/DE4041450A1/en
Publication of JPH0387938U publication Critical patent/JPH0387938U/ja
Application granted granted Critical
Publication of JPH0724597Y2 publication Critical patent/JPH0724597Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F02M41/128—Varying injection timing by angular adjustment of the face-cam or the rollers support
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F02D1/02—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F02D1/02—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered
    • F02D1/025—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered by means dependent on engine working temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F02D1/16—Adjustment of injection timing
    • F02D1/18—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse
    • 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
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • 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
    • F02M59/46—Valves
    • F02M59/462—Delivery valves
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Landscapes

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

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案の実施例に係る燃料噴射ポン
プの全体構成図である。第２図は、第１図の実施
例に係る燃料噴射ポンプの油圧タイマの構造図で
ある。第３図は、第１図の実施例に係る燃料噴射
ポンプのデリバリバルブの構造図であり、第３ａ
図は第３図の−矢視図である。第４図は、第
１図の実施例に係る燃料噴射ポンプのフエイスカ
ムのカム山の形状を示す図である。第５図は、燃
料噴射タイミングを示す図である。 Ａ……燃料噴射ポンプ、４……フエイスカム、
５……プランジヤ、７……ローラ、８……カム山
、８ａ……小傾斜領域、８ｂ……大傾斜領域、１
５……スピルリング、１６……ガバナ、１７……
ガバナシヤフト、２０……ガバナスリーブ、２１
……ガバナレバーアセンブリ、２３……油圧タイ
マ、２８……ローラリング、２９……オリフイス
、３０……連通路、３１……デリバリバルブ、３
６……ピストン、３６ａ……切欠き、３７……カ
ツトバルブ。 FIG. 1 is an overall configuration diagram of a fuel injection pump according to an embodiment of the present invention. FIG. 2 is a structural diagram of the hydraulic timer of the fuel injection pump according to the embodiment of FIG. 1. FIG. 3 is a structural diagram of the delivery valve of the fuel injection pump according to the embodiment of FIG.
The figure is a view taken along the - arrow in FIG. FIG. 4 is a diagram showing the shape of the cam crest of the face cam of the fuel injection pump according to the embodiment of FIG. 1. FIG. 5 is a diagram showing fuel injection timing. A...Fuel injection pump, 4...Facecam,
5... Plunger, 7... Roller, 8... Cam mountain, 8a... Small slope area, 8b... Large slope area, 1
5... Spilling, 16... Governor, 17...
Governor shaft, 20...Governor sleeve, 21
... Governor lever assembly, 23 ... Hydraulic timer, 28 ... Roller ring, 29 ... Orifice, 30 ... Communication passage, 31 ... Delivery valve, 3
6... Piston, 36a... Notch, 37... Cut valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ２ステージカムと切欠付のデリバリバルブとが
設けられたデイーゼルエンジンの燃料噴射ポンプ
において、無負荷時の低回転域において噴射時期
を進角させる手段が設けられて成ることを特徴と
するデイーゼルエンジンの燃料噴射ポンプ。 A fuel injection pump for a diesel engine equipped with a two-stage cam and a delivery valve with a notch, characterized in that the fuel injection pump is provided with means for advancing the injection timing in a low rotation range during no-load conditions. fuel injection pump.
JP14904789U 1989-12-25 1989-12-25 Diesel engine fuel injection pump Expired - Lifetime JPH0724597Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP14904789U JPH0724597Y2 (en) 1989-12-25 1989-12-25 Diesel engine fuel injection pump
DE19904041450 DE4041450A1 (en) 1989-12-25 1990-12-21 Fuel injection pump for diesel engine - uses interruption valve to shift injection timing while idling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14904789U JPH0724597Y2 (en) 1989-12-25 1989-12-25 Diesel engine fuel injection pump

Publications (2)

Publication Number Publication Date
JPH0387938U true JPH0387938U (en) 1991-09-09
JPH0724597Y2 JPH0724597Y2 (en) 1995-06-05

Family

ID=15466487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14904789U Expired - Lifetime JPH0724597Y2 (en) 1989-12-25 1989-12-25 Diesel engine fuel injection pump

Country Status (2)

Country Link
JP (1) JPH0724597Y2 (en)
DE (1) DE4041450A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57119132A (en) * 1981-01-17 1982-07-24 Diesel Kiki Co Ltd Load timer for distribution-type fuel injection pump
DE3138410A1 (en) * 1981-09-26 1983-04-14 Robert Bosch Gmbh, 7000 Stuttgart Method for determining a load signal on a fuel injection pump and fuel injection pump for implementing the method
GB2175052B (en) * 1985-05-14 1988-10-05 Diesel Kiki Co Fuel injection pump for internal combustion engines

Also Published As

Publication number Publication date
DE4041450A1 (en) 1991-06-27
JPH0724597Y2 (en) 1995-06-05

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