JPS6073848U - Fuel injection pump for multi-cylinder internal combustion engines - Google Patents

Fuel injection pump for multi-cylinder internal combustion engines

Info

Publication number
JPS6073848U
JPS6073848U JP15234284U JP15234284U JPS6073848U JP S6073848 U JPS6073848 U JP S6073848U JP 15234284 U JP15234284 U JP 15234284U JP 15234284 U JP15234284 U JP 15234284U JP S6073848 U JPS6073848 U JP S6073848U
Authority
JP
Japan
Prior art keywords
pump
signal generator
cam
fuel injection
drive mechanism
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
JP15234284U
Other languages
Japanese (ja)
Inventor
フランツ・エーハイム
ヘルムート・ラウフアー
Original Assignee
ローベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング
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 ローベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング filed Critical ローベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング
Publication of JPS6073848U publication Critical patent/JPS6073848U/en
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
    • 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
    • F02M41/121—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 with piston arranged axially to driving shaft
    • 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
    • F02M59/48—Assembling; Disassembling; Replacing
    • 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
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/24—Fuel-injection apparatus with sensors

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)

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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

図面は本考案の実施例を示すもので、第１図は燃料噴射
ポンプの部分的縦断面図を含む略示側面図、第２図は第
１図の燃料噴射ポンプにおける電磁弁の切換時間とポン
プ兼分配ピストンの行程−化との関係並びに、調量開始
−信号及び調量路り一信号の発生とポンプ兼分配ピスト
ンの行程変化との達関係を示す線図、第３図は第１図の
燃料噴射ポンプの、第１図の断面に対して周方向にずら
した断面における、行程円板、ローラリング及び駆動軸
の部分的な拡大断面図、第４図は第３図のＩＶ−ＩＶ線
による断面図、第５図は回転式信号発生器の構成を異に
する、第３図に相応する部分的な拡大断面図である。 ５・・・ケーシング、７・・・分配孔、８・・・正面カ
ム隆起、９・・・ポンプ作業室、１１・・・駆動軸、１
２・・・行程円板、１３・・・カム、１４・・・ローラ
、１５・・田−シリンダ、１６・・・シリンダブツシュ
、１７・・・ポンプピストン、１８・・・燃料流入通路
、１９・・・ポンプ内室、２０・・・送出導管、２１・
・・送出ポンプ、２２・・・電磁弁、２３・・・袋孔、
２４・・・横孔、２５・・・半径方向孔、２６・・・セ
ンサ、２８・・・検出器、２９・・・マーク、３０・・
・円板、３１・・・噴射時期調節装置、３２・・・保持
体、３．３・・・ねじ、３４・・・長孔、３５・・・マ
ーク。The drawings show an embodiment of the present invention, in which Fig. 1 is a schematic side view including a partial vertical cross-section of the fuel injection pump, and Fig. 2 shows the switching time of the solenoid valve in the fuel injection pump of Fig. A diagram showing the relationship between the stroke of the pump/distributor piston, the generation of the metering start signal and the metering path signal, and the stroke change of the pump/distributor piston. FIG. 4 is a partially enlarged cross-sectional view of the stroke disk, roller ring, and drive shaft of the fuel injection pump shown in FIG. FIG. 5 is a partially enlarged sectional view corresponding to FIG. 3, but with a different configuration of the rotary signal generator. 5...Casing, 7...Distribution hole, 8...Front cam protrusion, 9...Pump working chamber, 11...Drive shaft, 1
2... Stroke disk, 13... Cam, 14... Roller, 15... Field cylinder, 16... Cylinder bush, 17... Pump piston, 18... Fuel inflow passage, 19... Pump inner chamber, 20... Delivery conduit, 21.
... Delivery pump, 22 ... Solenoid valve, 23 ... Blind hole,
24... Horizontal hole, 25... Radial hole, 26... Sensor, 28... Detector, 29... Mark, 30...
- Disc, 31... Injection timing adjustment device, 32... Holder, 3.3... Screw, 34... Long hole, 35... Mark.

Claims (1)

【実用新案登録請求の範囲】 １　燃料噴射ポンプであって、 （イ）カム駆動機構によって作動される少なくとも１つ
のポンプピストンを有し、上記カム駆動機構は回転不能
の部分１５と駆動軸１１と１から駆動される回転する部
分１２から構成されており、上記両部分１５．１２の一
方の部分１２が複数のカム隆起８を備えたカム１３を有
しており、かつ上記両部分の一方の部分が他方の部分に
対して噴射時期調節装置３１により回動可能であって、
これにより、少なくとも１つのポンプピストン１７の、
カム隆起８によって生せしめられる行程の、駆動軸回転
角度に対する関係が変可であり、 （ロ）ポンプピストンの所定の行程位置を検出するセン
サ２６により燃料噴射量を規定する装置を有している、
形式のものにおいて、（ハ）上記センサ２６が回転位置
信号発生器であり、上記回転位置信号発生器は、カム駆
動機構の上記の一方の部分１５又は該一方の部分と同期
的に運動する部分に結合された第１の信号発生器部分２
８と、カム駆動機構の上記の他方の部分１２又は該部分
１２と同期的に運動する部分に結合された第２の信号発
生器部分２９と、を有しており、かつ上記の第１゛　及
び第２の信号発生器部分２８．２９相互の合致が、ポン
プピストンの所定の行程位置に対応するカム隆起上の点
に相応しており、かつ上記合致時点に回転位置信号発生
器により制御信号が発せられることを特徴とする、゛燃
料噴射ポンプ。 ２　第１の信号発生器部分２８が、噴射時期調節装置３
１によって運動せしめられるカム駆動機構の部分１５に
、カム駆動機構の回転方向で調節可能に結合されており
、かつ第２の信号発生器部分２９が、カム駆動機構の、
駆動軸１１から駆動される回転する部分１２又は該部分
１２と同期的に駆動される部分に、結合されている、実
用新案登録請求の範囲第１項記載の燃料噴射ポンプ。 ３　ポンプピストンがポンプ作業室９を制限しており、
かつ該ポンプ作業室９から、カム駆動機構と同期的に駆
動される分配装置１７の分配孔７及び該分配装置１７の
外周に配置された送出通路２０を経て、ポンプピストン
のポンプ行程数に相応して順次に燃料が供給され、かつ
上記ポンプ作業室９が、燃料供給通路１８に配置された
電気的に制御される燃料調量装置′２２を介して、ポン
プピストンの可変の吸込行程中、そのつどのカム隆起カ
ーブに相応して、回転位置信号発生器によって検出され
た１つの行程位置から燃料調量装置の閉鎖点まで、燃料
を供給される、実用新案登録請求の範囲第２項記載の燃
料噴射ポンプ。 ４　ポンプ作業室９が、ポンプピストンの送出行程の終
りから、回転位置信号発生器によって信号化された１つ
のポンプピストンの吸込行程位置まで、燃料供給通路１
８が分岐している燃料タンク１９に接続されている、実
用新案登録請求の範囲第３項記載の燃料噴射ポンプ。 ５　行程円板１２又は該行程円板１２と同期回転する部
分３０の外周に順次に配置された２つのマーク２９の間
に、多数の、等間隔のマーク３５が配置されており、こ
れらの多数の、等間隔のマーク３５が上記２つのマーク
２９を検出する検出器２８又は別の検出器によって検出
される、実用新案登録請求の範囲第３項記載の燃料噴射
ポンプ。[Claims for Utility Model Registration] 1. A fuel injection pump comprising: (a) at least one pump piston operated by a cam drive mechanism, the cam drive mechanism having a non-rotatable portion 15 and a drive shaft 11; 1, one of which has a cam 13 with a plurality of cam ridges 8; one part is rotatable with respect to the other part by an injection timing adjustment device 31,
This ensures that at least one pump piston 17
The relationship between the stroke produced by the cam protrusion 8 and the rotation angle of the drive shaft is variable, and (b) it has a device that regulates the fuel injection amount by a sensor 26 that detects a predetermined stroke position of the pump piston. ,
(c) The sensor 26 is a rotational position signal generator, and the rotational position signal generator is the one part 15 of the cam drive mechanism or a part that moves synchronously with the one part. a first signal generator part 2 coupled to
8 and a second signal generator part 29 coupled to said other part 12 of said cam drive mechanism or to a part moving synchronously with said part 12; and the second signal generator part 28,29 correspond to a point on the cam ridge corresponding to a predetermined stroke position of the pump piston, and at the time of said coincidence a control signal is generated by the rotary position signal generator. A fuel injection pump characterized by emitting. 2 The first signal generator portion 28 is connected to the injection timing adjustment device 3
1, the second signal generator part 29 is adjustably coupled in the direction of rotation of the cam drive mechanism to the part 15 of the cam drive mechanism, which is caused to move by the part 15 of the cam drive mechanism.
The fuel injection pump according to claim 1, which is coupled to a rotating part 12 driven from a drive shaft 11 or a part driven synchronously with the rotating part 12. 3 The pump piston limits the pump working chamber 9,
and from the pump working chamber 9 via the distribution hole 7 of the distribution device 17 driven synchronously with the cam drive mechanism and the delivery channel 20 arranged on the outer periphery of the distribution device 17, corresponding to the number of pump strokes of the pump piston. during the variable suction stroke of the pump piston. According to claim 2, fuel is supplied from a stroke position detected by a rotary position signal generator to the closing point of the fuel metering device in accordance with the respective cam elevation curve. fuel injection pump. 4. The pump working chamber 9 connects the fuel supply passage 1 from the end of the delivery stroke of the pump piston to the suction stroke position of one pump piston signaled by the rotational position signal generator.
8 is connected to a fuel tank 19 which is branched, the fuel injection pump according to claim 3 of the utility model registration claim. 5. A large number of equally spaced marks 35 are arranged between two marks 29 that are sequentially arranged on the outer periphery of the stroke disk 12 or a portion 30 that rotates synchronously with the stroke disk 12. The fuel injection pump according to claim 3, wherein the equally spaced marks 35 are detected by the detector 28 for detecting the two marks 29 or by another detector.
JP15234284U 1983-10-11 1984-10-11 Fuel injection pump for multi-cylinder internal combustion engines Pending JPS6073848U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3336871.6 1983-10-11
DE19833336871 DE3336871A1 (en) 1983-10-11 1983-10-11 Fuel injection pump for multi-cylinder internal combustion engines

Publications (1)

Publication Number Publication Date
JPS6073848U true JPS6073848U (en) 1985-05-24

Family

ID=6211491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15234284U Pending JPS6073848U (en) 1983-10-11 1984-10-11 Fuel injection pump for multi-cylinder internal combustion engines

Country Status (2)

Country Link
JP (1) JPS6073848U (en)
DE (1) DE3336871A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3920459A1 (en) * 1989-06-22 1991-01-03 Bosch Gmbh Robert FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES
DE4019642A1 (en) * 1990-06-20 1992-01-02 Bosch Gmbh Robert FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176328A (en) * 1981-04-24 1982-10-29 Diesel Kiki Co Ltd Detecting method of injection timing
JPS58104334A (en) * 1981-12-09 1983-06-21 ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Apparatus for generating signal of fuel amount
JPS59192842A (en) * 1983-04-15 1984-11-01 Toyota Motor Corp Distributor type fuel injection pump for diesel engine
JPS59221432A (en) * 1983-05-31 1984-12-13 Toyota Motor Corp Distribution type fuel-injection pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123325A1 (en) * 1981-06-12 1982-12-30 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES
DE3144361A1 (en) * 1981-11-07 1983-05-19 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176328A (en) * 1981-04-24 1982-10-29 Diesel Kiki Co Ltd Detecting method of injection timing
JPS58104334A (en) * 1981-12-09 1983-06-21 ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Apparatus for generating signal of fuel amount
JPS59192842A (en) * 1983-04-15 1984-11-01 Toyota Motor Corp Distributor type fuel injection pump for diesel engine
JPS59221432A (en) * 1983-05-31 1984-12-13 Toyota Motor Corp Distribution type fuel-injection pump

Also Published As

Publication number Publication date
DE3336871C2 (en) 1992-04-09
DE3336871A1 (en) 1985-04-25

Similar Documents

Publication Publication Date Title
CN103032124B (en) The control device and method of the variable valve timing mechanism of internal combustion engine
KR870004242A (en) Rotary Cam Compressor with Capacity Variable Mechanism
CN103016089A (en) Control device and method for controlling variable valve timing mechanism in internal combustion engine
JPS6032021B2 (en) Injection pump control device
SE467703B (en) DEVICE FOR ELECTRONIC CONTROL OF BRAIN INJECTORS
JP2534347B2 (en) Fuel injection pump for internal combustion engine with pre-injection and main injection
JPS6073848U (en) Fuel injection pump for multi-cylinder internal combustion engines
JPH0364709B2 (en)
FI65126C (en) ANORDNING VID PNEUMATIC STARTVENTILER FOER DIESELMOTORER
JP3059212B2 (en) Fuel injection pump for internal combustion engines
JPS6098146A (en) Fuel control method of internal-combustion engine
JP2003003898A (en) Device of controlling four-cycle engine for outboard motor
GB2167137A (en) Fuel injection pumps for internal combustion engines
US4573442A (en) Fuel injection pump having a compact spill-port timing control unit
JP4188840B2 (en) Rotation direction reversal method in 2-cycle engine
US5911203A (en) Modular rotary discoid valve assembly for engines and other applications
JP2001140691A (en) Method and device for detecting operation state of cylindeer of six or twelve-cylinder internal combustion engine
JPS59192842A (en) Distributor type fuel injection pump for diesel engine
US5383435A (en) Fuel pumping apparatus
JPH0730716B2 (en) Fuel supply device
JP2515995B2 (en) How to adjust fuel injection timing of diesel engine
JPH0346221Y2 (en)
FR2293606A1 (en) Fuel pump injection distributor - has fuel operated cam return radial pistons with adjustable piston stops determining max stroke
JPS62291453A (en) Fuel injection control device for internal combustion engine
JP3596782B2 (en) Engine rotation signal detection device