DE846857T1 - Brennstoffsystem für eine Rotationsverteilerbrennstoffeinspritzpumpe - Google Patents

Brennstoffsystem für eine Rotationsverteilerbrennstoffeinspritzpumpe

Info

Publication number
DE846857T1
DE846857T1 DE0846857T DE98200626T DE846857T1 DE 846857 T1 DE846857 T1 DE 846857T1 DE 0846857 T DE0846857 T DE 0846857T DE 98200626 T DE98200626 T DE 98200626T DE 846857 T1 DE846857 T1 DE 846857T1
Authority
DE
Germany
Prior art keywords
fuel
distributor
pump device
supply chamber
pump
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
DE0846857T
Other languages
English (en)
Inventor
William W. Granby Connecticut 06035 Kelly
Kenneth H. East Hartland Connecticut 06027 Klopfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stanadyne Automotive Corp
Original Assignee
Stanadyne Automotive Corp
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 Stanadyne Automotive Corp filed Critical Stanadyne Automotive Corp
Publication of DE846857T1 publication Critical patent/DE846857T1/de
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
    • F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
    • 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
    • F02M41/14—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 rotary distributor supporting pump pistons
    • F02M41/1405—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 rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis
    • 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
    • F02M41/14—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 rotary distributor supporting pump pistons
    • F02M41/1405—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 rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis
    • F02M41/1411—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 rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis 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
    • 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
    • F02M41/14—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 rotary distributor supporting pump pistons
    • F02M41/1405—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 rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis
    • F02M41/1411—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 rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis characterised by means for varying fuel delivery or injection timing
    • F02M41/1427—Arrangements for metering fuel admitted to pumping chambers, e.g. by shuttles or by throttle-valves
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/007—Venting means
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
    • 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
    • F02M59/42—Pumps characterised by adaptations to special uses or conditions for starting of engines
    • 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
    • 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
    • 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
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
    • 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
    • F02M2200/04—Fuel-injection apparatus having means for avoiding effect of cavitation, e.g. erosion
    • 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
    • F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
    • F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
    • 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
    • F02M2200/40—Fuel-injection apparatus with fuel accumulators, e.g. a fuel injector having an integrated fuel accumulator

Landscapes

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

Claims (3)

• · y &ugr; &eegr; &oacgr; &ogr; 98200626.4 PATENTANSPRÜCHE;
1. Kraftstoffeinspritzpumpe mit einer Kolbenpumpeneinrichtung (10), die periodische Ansaug- und Pumphübe ausführt zum periodischen Ansaugen einer Ansaugladung von Kraftstoff und Fördern von Kraftstoff unter Hochdruck zum Kraftstoffeinspritzen; einem Kraftstoffverteiler mit einem Verteilerkopf (106) und einer Mehrzahl von winkelmäßig beabstandeten Verteilerauslässen (74,76) und einem Verteilerrotor (104) mit einer Verteileröffnung (68), die mit der Pumpeneinrichtung (10) verbunden ist, wobei der Verteilerrotor (104) drehbar in dem Verteilerkopf (106) gelagert ist, damit die Verteileröffnung (68) nacheinander in Verbindung kommt mit den Verteilerausläßen (74,76) zum Verteilen der Hochdruckförderung von Kraftstoff auf dieselben; einem Kraftstoffsystem zum Fördern von Kraftstoff zu der Pumpeneinrichtung (10), mit einer Kraftstoffzufuhrkammer (118) an einem Zufuhrendteil des Verteilerrotors (104) und einer Kraftstofförderpumpe (36) mit einem Einlaß und einem Auslaß, wobei der Förderpumpenauslaß an die Kraftstoffzufuhrkammer (118) angeschlossen ist, um Kraftstoff in diese zu befördern, und einem Druckregler (230) zum Regeln des Kraft stoff druckes in der Kraftstoffzufuhrkammer (118); und einem Steuerventil (30), das mit der Pumpeneinrichtung (10) verbunden ist und während den Pumphüben wahlweise geöffnet wird zum Zurückleiten von Kraftstoff aus der Pumpeneinrichtung (10) in die Kraftstoffzufuhrkammer (118) zum Beendigen der Hochdruckabgabe von Kraftstoff; wobei das Steuerventil (30) eine koaxiale Ventilbohrung (44) in dem Verteilerrotor
(104) und einen Ventilteil (42) hat, der in der Ventilbohrung (44) axial verschiebbar ist zwischen einer offenen und einer geschlossenen Axialstellung desselben, 5 wobei der Ventilteil (42) einen Umfangsringraum (62) aufweist, der die Pumpeneinrichtung (10) mit der
ü 4
Krafststoffzufuhrkammer (118) in der offenen Stellung des Ventilteiles (42) verbindet, dadurch gekennzeichnet, daß die Verteileröffnung (68) mit der Pumpeneinrichtung (10) verbunden ist über den Ringraum (62) sowohl in der offenen als auch in der geschlossenen Stellung des Ventilteiles (42).
2. Kraftstoffeinspritzpumpe nach Anspruch 1, dadurch gekennzeichnet, daß der Verteilerrotor (104) einen ersten, inneren Kanal (64, 66) hat, der sich zwischen dem Ringraum (62) und der Pumpeneinrichtung (10) erstreckt und einen zweiten, inneren Verteilerkanal (70) aufweist, der sich zwischen dem Ringraum (62) und der Verteileröffnung (68) erstreckt.
3. Kraftstoffeinspritzpumpe nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Kraftstoffzufuhrkammer
(118) sich an einer Endfläche des Verteilerrotors (104) befindet.
DE0846857T 1991-07-16 1992-07-09 Brennstoffsystem für eine Rotationsverteilerbrennstoffeinspritzpumpe Pending DE846857T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/730,676 US5215060A (en) 1991-07-16 1991-07-16 Fuel system for rotary distributor fuel injection pump

Publications (1)

Publication Number Publication Date
DE846857T1 true DE846857T1 (de) 1999-02-25

Family

ID=24936356

Family Applications (3)

Application Number Title Priority Date Filing Date
DE0846857T Pending DE846857T1 (de) 1991-07-16 1992-07-09 Brennstoffsystem für eine Rotationsverteilerbrennstoffeinspritzpumpe
DE69227074T Expired - Fee Related DE69227074T2 (de) 1991-07-16 1992-07-09 Brennstoffsystem für eine Rotationsverteilerbrennstoffeinspritzpumpe
DE0846856T Pending DE846856T1 (de) 1991-07-16 1992-07-09 Brennstoffsystem für eine Rotationsverteilerbrennstoffeinspritzpumpe

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69227074T Expired - Fee Related DE69227074T2 (de) 1991-07-16 1992-07-09 Brennstoffsystem für eine Rotationsverteilerbrennstoffeinspritzpumpe
DE0846856T Pending DE846856T1 (de) 1991-07-16 1992-07-09 Brennstoffsystem für eine Rotationsverteilerbrennstoffeinspritzpumpe

Country Status (5)

Country Link
US (1) US5215060A (de)
EP (3) EP0524132B1 (de)
JP (1) JP3353916B2 (de)
BR (1) BR9202696A (de)
DE (3) DE846857T1 (de)

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US5215449A (en) * 1991-12-05 1993-06-01 Stanadyne Automotive Corp. Distributor type fuel injection pump
DE4315646A1 (de) * 1993-05-11 1994-11-17 Bosch Gmbh Robert Kraftstoffeinspritzpumpe für Brennkraftmaschinen
DE4323683A1 (de) * 1993-07-15 1995-01-19 Bosch Gmbh Robert Kraftstoffeinspritzpumpe
GB9315342D0 (en) * 1993-07-23 1993-09-08 Lucas Ind Plc Fuel pumping apparatus
ES2115883T3 (es) * 1993-09-14 1998-07-01 Lucas Ind Plc Dispositivo de alimentacion de carburante.
DE4338344A1 (de) * 1993-11-10 1995-05-11 Bosch Gmbh Robert Verteilerkraftstoffeinspritzpumpe für Brennkraftmaschinen
DE4339948A1 (de) * 1993-11-24 1995-06-01 Bosch Gmbh Robert Kraftstoffeinspritzpumpe
JPH0861180A (ja) * 1994-06-16 1996-03-05 Zexel Corp 分配型燃料噴射ポンプ
JPH10288111A (ja) * 1997-04-17 1998-10-27 Zexel Corp 分配型燃料噴射ポンプ
DE19717494A1 (de) * 1997-04-25 1998-10-29 Bosch Gmbh Robert Kraftstoffeinspritzpumpe der Verteilerbauart
US6058910A (en) * 1998-04-15 2000-05-09 Cummins Engine Company, Inc. Rotary distributor for a high pressure fuel system
DE10155973A1 (de) * 2001-11-14 2003-05-22 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
GB201202221D0 (en) 2012-02-09 2012-03-28 Delphi Tech Holding Sarl Improvements relating to fuel pumps
US20140261321A1 (en) * 2013-03-13 2014-09-18 Electro-Motive Diesel, Inc. Fuel system having rotary distributor
GB2523170B (en) 2014-02-17 2020-04-29 Gm Global Tech Operations Llc Method of operating a fuel injector

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Also Published As

Publication number Publication date
JP3353916B2 (ja) 2002-12-09
EP0524132A3 (en) 1993-04-07
EP0524132A2 (de) 1993-01-20
EP0846857A2 (de) 1998-06-10
DE69227074T2 (de) 1999-06-02
US5215060A (en) 1993-06-01
BR9202696A (pt) 1993-03-23
EP0846856A2 (de) 1998-06-10
DE846856T1 (de) 1999-02-25
EP0846856A3 (de) 2002-07-17
EP0846857A3 (de) 2002-07-17
EP0524132B1 (de) 1998-09-23
JPH05296118A (ja) 1993-11-09
DE69227074D1 (de) 1998-10-29

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