KR100371444B1 - 축압식연료분사장치 - Google Patents
축압식연료분사장치 Download PDFInfo
- Publication number
- KR100371444B1 KR100371444B1 KR10-1998-0033334A KR19980033334A KR100371444B1 KR 100371444 B1 KR100371444 B1 KR 100371444B1 KR 19980033334 A KR19980033334 A KR 19980033334A KR 100371444 B1 KR100371444 B1 KR 100371444B1
- Authority
- KR
- South Korea
- Prior art keywords
- hole
- plunger
- plunger barrel
- spring
- pump housing
- Prior art date
Links
Classifications
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- 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
- F02M59/48—Assembling; Disassembling; Replacing
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- 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
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
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
Description
Claims (2)
- 플런저 배럴(12)이 안치되는 상부구멍(31)과, 타펫(9)이 안치되는 하부구멍(32)으로 된 고압공급펌프(1)의 펌프하우징(11) 내부에, 캠(8)의 회전에 의해 티펫(9)과 플런저(13)가 상하 승강되게 하고, 상기 플런저(13)가 삽입된 플런저 배럴(12)의 하부 펌프하우징(11)에는, 양측단에 스프링시트(17)(18)를 갖는 스프링(10)를 탄력 설치하되, 일측 스프링시트(17)는 펌프하우징(11)의 하부구멍(32) 상측면에 밀착되고, 타측 스프링시트(18)는 타펫(9)의 상부면에 밀착되어 결합된 공지의 축압식 연료분사장치에 있어서,상기한 상하 구멍(31)(32)을 동축상으로 개방하여 대직경의 상부구멍(31)과 보다 소직경의 하부구멍(32)이 순차적으로 연통되게 형성하고, 상부구멍(31) 및 하부구멍(32)에 각각 플런저 배럴(12)과 타펫(9)을 안치하여, 그 플런저 배럴(12)과 타펫(9)의 이격공간부에는 상기한 스프링(10)을 내장하되, 각각의 스프링시트(17)(18)가 각각 플런저 배럴(12)의 하부면과 타펫(9)의 상부면에 밀착되게 하여 결합됨을 특징으로 하는 축압식 연료분사펌프.
- 제 1항에 있어서, 플런저 배럴(12)의 외주면에 연료저장용 홈(38)을 형성하여 그 상하에 씰링부재 삽입용 홈(45)(46)을 형성하고, 하부에는 스프링 시트(17) 지지용 단부(36)를 형성함을 특징으로 하는 축압식 연료분사펌프.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0033334A KR100371444B1 (ko) | 1998-08-17 | 1998-08-17 | 축압식연료분사장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0033334A KR100371444B1 (ko) | 1998-08-17 | 1998-08-17 | 축압식연료분사장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000014121A KR20000014121A (ko) | 2000-03-06 |
KR100371444B1 true KR100371444B1 (ko) | 2003-03-31 |
Family
ID=19547469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1998-0033334A KR100371444B1 (ko) | 1998-08-17 | 1998-08-17 | 축압식연료분사장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100371444B1 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04334740A (ja) * | 1991-05-07 | 1992-11-20 | Nippondenso Co Ltd | 燃料噴射装置 |
JPH09287536A (ja) * | 1996-04-17 | 1997-11-04 | Mitsubishi Electric Corp | 燃料噴射装置 |
-
1998
- 1998-08-17 KR KR10-1998-0033334A patent/KR100371444B1/ko not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04334740A (ja) * | 1991-05-07 | 1992-11-20 | Nippondenso Co Ltd | 燃料噴射装置 |
JPH09287536A (ja) * | 1996-04-17 | 1997-11-04 | Mitsubishi Electric Corp | 燃料噴射装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20000014121A (ko) | 2000-03-06 |
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