JPS57181934A - Fuel injection pump for diesel engine - Google Patents
Fuel injection pump for diesel engineInfo
- Publication number
- JPS57181934A JPS57181934A JP6587781A JP6587781A JPS57181934A JP S57181934 A JPS57181934 A JP S57181934A JP 6587781 A JP6587781 A JP 6587781A JP 6587781 A JP6587781 A JP 6587781A JP S57181934 A JPS57181934 A JP S57181934A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- bellows
- pressure
- injection pump
- supercharged
- 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
- 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
- F02M59/447—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 means specially adapted to limit fuel delivery or to supply excess of fuel temporarily, e.g. for starting of the engine
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
PURPOSE:To perform the fuel correction against an increase of the supercharged pressure and a descent of the atmospheric pressure by varying the effectiveness of a return spring against the bellows arranged in a pressure chamber at an expansion side from the neutral point and at a contraction point in a fuel correction device. CONSTITUTION:A fuel correction device 32 is fitted to a pump housing 21 of a distribution type fuel injection pump, and the bellows 35 is arranged in a pressure chamber 34. When the supercharged pressure is increased, the supercharged pressure is fed through an introduction port 33A, then the bellows 35 is contracted, raising a control rod 37. Accordingly, the fuel feed is increased by means of a correction lever 27 and a governor tension lever 15. When the atmospheric pressure descends, the elastic force of a spring 43 is applied against the expansion of the bellows 35, resulting in a reduction of the fuel feed. Thereby, an improvement of the high power performance, the exhaust performance, and the fuel consumption performance of the engine can be realized concurrently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6587781A JPS57181934A (en) | 1981-04-30 | 1981-04-30 | Fuel injection pump for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6587781A JPS57181934A (en) | 1981-04-30 | 1981-04-30 | Fuel injection pump for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57181934A true JPS57181934A (en) | 1982-11-09 |
Family
ID=13299642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6587781A Pending JPS57181934A (en) | 1981-04-30 | 1981-04-30 | Fuel injection pump for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57181934A (en) |
-
1981
- 1981-04-30 JP JP6587781A patent/JPS57181934A/en active Pending
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