FR2457985A1 - FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES - Google Patents
FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINESInfo
- Publication number
- FR2457985A1 FR2457985A1 FR8011686A FR8011686A FR2457985A1 FR 2457985 A1 FR2457985 A1 FR 2457985A1 FR 8011686 A FR8011686 A FR 8011686A FR 8011686 A FR8011686 A FR 8011686A FR 2457985 A1 FR2457985 A1 FR 2457985A1
- Authority
- FR
- France
- Prior art keywords
- internal combustion
- combustion engines
- needle
- supplied
- fuel
- 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
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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0205—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
L'INVENTION CONCERNE UN DISPOSITIF D'INJECTION DE CARBURANT POUR MOTEURS A COMBUSTION INTERNE. L'INJECTEUR 1 EST ALIMENTE EN CARBURANT A HAUTE PRESSION DELIVRE PAR UN ACCUMULATEUR ET PILOTE PAR UN CIRCUIT DE SERVO-COMMANDE 37-43. POUR EVITER QUE L'ACCUMULATEUR NE SE VIDE SI UN POINTEAU 15 RESTE LEVE, UNE VALVE DE SURETE 47, DONT L'OBTURATEUR 48 EST DISPOSE DANS LE TUYAU D'AMENEE 31 DU CARBURANT A LA PRECHAMBRE 14 D'INJECTION, FERME CELUI-CI LORSQUE LE POINTEAU 15 EST APPLIQUE SUR SON SIEGE. UN PISTON DE POUSSEE 49, SOLLICITE PAR LA MISE EN PRESSION D'UNE CHAMBRE 55 ALIMENTEE PAR UNE CONDUITE 63 RELIEE A LA SORTIE DE L'ELECTROVALVE 37 COMMANDEE EN SYNCHRONISME AVEC LE MOTEUR, PERMET D'OUVRIR LA VALVE DE SURETE 47 PEU AVANT QU'UNE CHAMBRE DE PRESSION 16 SOIT EGALEMENT ALIMENTEE PAR L'ELECTROVALVE 47, DE SORTE QUE LE POINTEAU 15 SOIT LEVE SOUS L'EFFET DE LA PRESSION DE CARBURANT S'EXERCANT SUR LES SURFACES 44 ET 45 CONTRE L'EFFET DE CETTE MEME PRESSION SUR LA SURFACE 46 D'UN PISTON DE COMMANDE 18. APPLICATION AUX MOTEURS A COMBUSTION INTERNE.THE INVENTION RELATES TO A FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES. INJECTOR 1 IS SUPPLIED WITH HIGH PRESSURE FUEL DELIVERED BY AN ACCUMULATOR AND PILOT BY A 37-43 SERVO-CONTROL CIRCUIT. TO PREVENT THE ACCUMULATOR FROM EMPTYING IF A NEEDLE 15 REMAINS LIFTED, A SAFETY VALVE 47, WHICH SHUTTER 48 IS PLACED IN THE FUEL PIPE 31 TO THE INJECTION PREAMBER 14, CLOSES THIS ONE WHEN THE NEEDLE 15 IS APPLIED TO ITS SEAT. A PUSHING PISTON 49, REQUESTED BY PRESSURING A CHAMBER 55 SUPPLIED BY A DUCT 63 CONNECTED TO THE OUTPUT OF THE SOLENOID VALVE 37 CONTROLLED IN SYNCHRONISM WITH THE MOTOR, ALLOWS TO OPEN THE SAFETY VALVE 47 SHORTLY BEFORE 'A PRESSURE CHAMBER 16 IS ALSO SUPPLIED BY THE ELECTROVALVE 47, SO THAT THE NEEDLE 15 IS LIFTED UNDER THE EFFECT OF THE FUEL PRESSURE EXERCISING ON SURFACES 44 AND 45 AGAINST THE EFFECT OF THIS SAME PRESSURE ON THE SURFACE 46 OF A CONTROL PISTON 18. APPLICATION TO INTERNAL COMBUSTION ENGINES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792922332 DE2922332C2 (en) | 1979-06-01 | 1979-06-01 | Fuel injection device for internal combustion engines |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2457985A1 true FR2457985A1 (en) | 1980-12-26 |
FR2457985B3 FR2457985B3 (en) | 1982-01-29 |
Family
ID=6072240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8011686A Granted FR2457985A1 (en) | 1979-06-01 | 1980-05-27 | FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS55161954A (en) |
DD (1) | DD148080A1 (en) |
DE (1) | DE2922332C2 (en) |
DK (1) | DK229280A (en) |
FR (1) | FR2457985A1 (en) |
GB (1) | GB2051229B (en) |
NL (1) | NL7908909A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2524073A1 (en) * | 1982-03-29 | 1983-09-30 | Renault | ELECTROMAGNETIC INJECTOR FOR A DIESEL ENGINE PROVIDING A "PRESSURE-TIME" INJECTION LAW |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3009750C2 (en) * | 1980-03-14 | 1987-01-02 | M.A.N.- B & W Diesel GmbH, 8900 Augsburg | Fuel injection device for internal combustion engines |
DE3009752C2 (en) * | 1980-03-14 | 1987-01-02 | M.A.N.- B & W Diesel GmbH, 8900 Augsburg | Fuel injection device for internal combustion engines |
FR2502701A1 (en) * | 1981-03-26 | 1982-10-01 | Renault Vehicules Ind | INJECTOR INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE |
US4474158A (en) * | 1981-11-11 | 1984-10-02 | Lucas Industries Public Limited Company | Liquid fuel pumping apparatus |
FR2580728B1 (en) * | 1985-04-19 | 1989-05-05 | Alsacienne Constr Meca | FUEL INJECTION SYSTEM FOR DIESEL ENGINE |
JP2554736B2 (en) * | 1989-03-20 | 1996-11-13 | 川崎重工業株式会社 | Fuel injection device for internal combustion engine |
DE19742320A1 (en) * | 1997-09-25 | 1999-04-01 | Bosch Gmbh Robert | Fuel injector |
DE19860476A1 (en) * | 1998-12-28 | 2000-07-06 | Bosch Gmbh Robert | Fuel injection system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH186053A (en) * | 1934-12-05 | 1936-08-31 | Limited Belfrost Diesels | Fuel injection pump. |
DE905689C (en) * | 1952-01-17 | 1954-03-04 | Maschf Augsburg Nuernberg Ag | Device for generating different control times when using a pressurized fluid from a common pressure source, in particular for fuel injection valves of internal combustion engines |
GB1347488A (en) * | 1970-07-10 | 1974-02-27 | Cav Ltd | Liquid fuel injection pumping apparatus for an 'internal combustion engine |
DE2529933C2 (en) * | 1975-07-04 | 1984-07-19 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg | Fuel injection device for internal combustion engines |
-
1979
- 1979-06-01 DE DE19792922332 patent/DE2922332C2/en not_active Expired
- 1979-12-11 NL NL7908909A patent/NL7908909A/en not_active Application Discontinuation
- 1979-12-18 DD DD21779079A patent/DD148080A1/en unknown
-
1980
- 1980-02-15 JP JP1671280A patent/JPS55161954A/en active Pending
- 1980-05-09 GB GB8015387A patent/GB2051229B/en not_active Expired
- 1980-05-27 FR FR8011686A patent/FR2457985A1/en active Granted
- 1980-05-28 DK DK229280A patent/DK229280A/en not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2524073A1 (en) * | 1982-03-29 | 1983-09-30 | Renault | ELECTROMAGNETIC INJECTOR FOR A DIESEL ENGINE PROVIDING A "PRESSURE-TIME" INJECTION LAW |
Also Published As
Publication number | Publication date |
---|---|
JPS55161954A (en) | 1980-12-16 |
FR2457985B3 (en) | 1982-01-29 |
DE2922332C2 (en) | 1987-02-05 |
DK229280A (en) | 1980-12-02 |
GB2051229B (en) | 1983-04-07 |
DE2922332A1 (en) | 1980-12-04 |
GB2051229A (en) | 1981-01-14 |
NL7908909A (en) | 1980-12-03 |
DD148080A1 (en) | 1981-05-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4545352A (en) | Electromagnetic control injection systems for diesel engines of the pressure-time type where the injector needle is controlled by the charging and discharging of a chamber | |
FR2457985A1 (en) | FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES | |
BE1002292A3 (en) | TWO FLUID FUEL INJECTION ENGINE. | |
EP0785350A3 (en) | A fuel injection control device for a spark ignition engine with a fuel injector for injecting fuel directly into the cylinder | |
JPH0571443A (en) | Assist air supply device for cylinder direct injection type injection valve | |
FR2748531A1 (en) | FUEL INJECTOR FOR AN INTERNAL COMBUSTION ENGINE | |
US4440135A (en) | Fuel injection system provided with fuel injection valves having controllable valve opening pressure | |
FR2375451A1 (en) | INTERNAL COMBUSTION ENGINE, AIR COMPRESSION AND DIRECT INJECTION | |
FR2422042A1 (en) | FUEL INJECTOR FOR INTERNAL COMBUSTION ENGINES | |
JPH04292568A (en) | Injection device for use in air compressor internal combustion engin | |
FR2545158A1 (en) | METHOD FOR CONTROLLING THE INJECTOR OUTPUT SECTION FOR DIRECT INJECTION INTERNAL COMBUSTION ENGINES AND INJECTOR FOR IMPLEMENTING THE METHOD | |
EP1148224A3 (en) | Throttle control apparatus and method for direct-fuel-injection-type internal combustion engine | |
FR2667361A1 (en) | FUEL SUPPLY MANIFOLD WITH A VIBRATION DAMPING ACTION, FOR A FUEL SUPPLY LINE OF AN INTERNAL COMBUSTION ENGINE. | |
FR2445443A1 (en) | FUEL SUPPLY SYSTEM FOR AN INTERNAL COMBUSTION ENGINE | |
FR2811023A1 (en) | PRESSURE-CONTROLLED INJECTOR FOR INJECTING FUEL INTO AN INTERNAL COMBUSTION ENGINE | |
FR2489889A1 (en) | FILLING TYPE FUEL INJECTION VALVE | |
FR2850710A1 (en) | Internal combustion/thermal engine control process for vehicle, involves combining preliminary control set point with charge regulation of quantity of charge supplied to peizo-electric actuator | |
EP1614894B1 (en) | Common-Rail Fuel Injection System with Pressure Wave Damping Means | |
JPH09505381A (en) | Fuel injection device for two-cycle internal combustion engine | |
FR2476747A1 (en) | FUEL INJECTION INSTALLATION | |
FR2798165A1 (en) | FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINE | |
FR2811379A1 (en) | Fuel injector for IC engine | |
FR2816368A1 (en) | Fuel injection system for automotive vehicle, has needle of nozzle having pressure gradients caused by pressure applied by hydraulic spring and pressure in high pressure collector chamber | |
US5133301A (en) | Fuel injectors for diesel engines | |
CA1308976C (en) | Fuel injector system |