GB1313335A - Fuel injection system for internal combustion engines - Google Patents
Fuel injection system for internal combustion enginesInfo
- Publication number
- GB1313335A GB1313335A GB4018770A GB4018770A GB1313335A GB 1313335 A GB1313335 A GB 1313335A GB 4018770 A GB4018770 A GB 4018770A GB 4018770 A GB4018770 A GB 4018770A GB 1313335 A GB1313335 A GB 1313335A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fuel
- injection
- valve member
- fuel injection
- accumulator
- 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.)
- Expired
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
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
- F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated valves
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
1313335 Fuel injection systems ROBERT BOSCH GmbH 20 Aug 1970 [21 Aug 1969] 40187/70 Heading F1B A I. C. engine fuel injection system comprises an accumulator 25', Fig. 2 connected between a fuel quantity metering pump (11) Fig.1 (not shown) and an injection nozzle 40, a valve member 42 between the accumulator and the nozzle operated by a solenoid 44 which opens the valve member to begin injection and closes it after the end of fuel injection and before the beginning of the subsequent metering pump delivery. The governor controlled metering pump (11) supplies fuel via line 15, non-return valve 22 duct 24, accumulator 25' and line 36 to a passage controlled by the valve member 42. When the latter closes duct 36 the fuel pressure in chamber 25' raises the spring- loaded piston 27 and when the valve member 42 is moved to the open position by solenoid 44 the fuel passes via annular space 45 and ducts 37, 38 to act on needle 48 which is lifted to commence fuel injection. The solenoid is energized by signals from a transmitter (54), Fig. 1 (not shown) and control device (52) in dependence on engine speed and cam shaft angle. The end of injection is determined by the stressing of spring 47 and the fuel supply pressure. Fuel leakages pass via 60 and 30 to tank (13). Excess fuel pressure is relieved through duct 65. In a modification the control surface of valve 42 has a levelled portion.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691942610 DE1942610A1 (en) | 1969-08-21 | 1969-08-21 | Fuel injection system for internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1313335A true GB1313335A (en) | 1973-04-11 |
Family
ID=5743443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4018770A Expired GB1313335A (en) | 1969-08-21 | 1970-08-20 | Fuel injection system for internal combustion engines |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1942610A1 (en) |
| FR (1) | FR2059101A5 (en) |
| GB (1) | GB1313335A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2130648A (en) * | 1982-11-26 | 1984-06-06 | Diesel Kiki Co | Accumulator fuel injection device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2342109C2 (en) * | 1973-08-21 | 1983-10-27 | Robert Bosch Gmbh, 7000 Stuttgart | Electromechanically controlled fuel injection valve for internal combustion engines |
| US4217862A (en) * | 1977-03-28 | 1980-08-19 | Combustion Research & Technology, Inc. | High constant pressure, electronically controlled diesel fuel injection system |
| DE2735448A1 (en) * | 1977-08-05 | 1979-02-08 | Maschf Augsburg Nuernberg Ag | FUEL INJECTION SYSTEM FOR DIESEL ENGINES |
| DE3151065C2 (en) * | 1981-12-23 | 1986-03-20 | Daimler-Benz Ag, 7000 Stuttgart | Fuel injector for internal combustion engines |
| DE3310030C2 (en) * | 1983-03-19 | 1986-12-04 | L'Orange GmbH, 7000 Stuttgart | Fuel injection device for an internal combustion engine |
| US4831982A (en) * | 1987-09-08 | 1989-05-23 | Baranescu George S | Internal combustion engine with broad fuel tolerance |
| DE4441113C1 (en) * | 1994-11-18 | 1996-04-04 | Bosch Gmbh Robert | High pressure fuel pump for internal combustion engines |
-
1969
- 1969-08-21 DE DE19691942610 patent/DE1942610A1/en active Pending
-
1970
- 1970-08-20 GB GB4018770A patent/GB1313335A/en not_active Expired
- 1970-08-21 FR FR7030774A patent/FR2059101A5/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2130648A (en) * | 1982-11-26 | 1984-06-06 | Diesel Kiki Co | Accumulator fuel injection device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2059101A5 (en) | 1971-05-28 |
| DE1942610A1 (en) | 1971-03-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |