JPS575542A - Fuel injection unit - Google Patents
Fuel injection unitInfo
- Publication number
- JPS575542A JPS575542A JP8072580A JP8072580A JPS575542A JP S575542 A JPS575542 A JP S575542A JP 8072580 A JP8072580 A JP 8072580A JP 8072580 A JP8072580 A JP 8072580A JP S575542 A JPS575542 A JP S575542A
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- fuel
- chamber
- notch
- unit
- 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
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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/02—Injectors structurally combined with fuel-injection pumps
- F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
- F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
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
PURPOSE: To enhance reliability by applying pressure for the measurement of fuel volume and injection timing with a mechanical unit which pressurizes by vertically operating a plunger separately installed.
CONSTITUTION: A plunger chamber 16 is formed by a plunger 8 and a bore 6 in the lower part of a piston chamber 10 for an injection nozzle and a fuel compressing unit 1 and an injection nozzle. The chamber 16 is communicated to a fuel measuring unit 3 through a check valve 17. A plunger 22 is fitted inside a barrel 21 of a pressure generating unit 2. The plunger 22 is provided with a head notch 25a and bottom notch 25 and revolves synchronously as an engine operates. A plunger 32 is fitted into a barrel 31 of a fuel measuring unit 3. The plunger 32 is provided with a notch 36 for measuring the volume of fuel, and synchronously revolves as an engine operates. The amount of fuel supply is determined by a suction hole 35 and the notch 35, and sent to the plunger chamber 16. The fuel in the plunger chamber 16 is injected by the revolution of the plunger 22.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8072580A JPS575542A (en) | 1980-06-14 | 1980-06-14 | Fuel injection unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8072580A JPS575542A (en) | 1980-06-14 | 1980-06-14 | Fuel injection unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS575542A true JPS575542A (en) | 1982-01-12 |
Family
ID=13726332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8072580A Pending JPS575542A (en) | 1980-06-14 | 1980-06-14 | Fuel injection unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS575542A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5047033A (en) * | 1973-08-29 | 1975-04-26 | ||
JPS54121329A (en) * | 1978-02-11 | 1979-09-20 | Bosch Gmbh Robert | High pressure fuel injector for internal combustion engines |
-
1980
- 1980-06-14 JP JP8072580A patent/JPS575542A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5047033A (en) * | 1973-08-29 | 1975-04-26 | ||
JPS54121329A (en) * | 1978-02-11 | 1979-09-20 | Bosch Gmbh Robert | High pressure fuel injector for internal combustion engines |
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