KR100878085B1 - 커먼레일 시스템의 고압펌프 진단 장치 및 진단 방법 - Google Patents
커먼레일 시스템의 고압펌프 진단 장치 및 진단 방법 Download PDFInfo
- Publication number
- KR100878085B1 KR100878085B1 KR1020070073877A KR20070073877A KR100878085B1 KR 100878085 B1 KR100878085 B1 KR 100878085B1 KR 1020070073877 A KR1020070073877 A KR 1020070073877A KR 20070073877 A KR20070073877 A KR 20070073877A KR 100878085 B1 KR100878085 B1 KR 100878085B1
- Authority
- KR
- South Korea
- Prior art keywords
- high pressure
- pressure pump
- fuel
- check valve
- common rail
- Prior art date
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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
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
- F02M65/006—Measuring or detecting fuel leakage of fuel injection apparatus
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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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3827—Common rail control systems for diesel engines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims (6)
- 삭제
- 삭제
- 고압펌프(100)와 레일(600) 사이에 마련되는 고압파이프(200)와;상기 고압파이프(200)에 마련되는 체크밸브(300)와;상기 체크밸브(300)와 연결된 연료 누설량 측정기(500)와;상기 체크밸브(300) 내부에 마련되는 부분인 챔버(330);를 포함하여 구성되고,상기 고압파이프(200)를 통과하는 고압의 연료 일부가 상기 체크밸브(300)의 챔버(330)에서 압력 강하된 후 연료 누설량 측정기(500)에 인입되고, 상기 인입된 양을 측정하여 상기 고압펌프(100)의 상태를 진단하는 것을 특징으로 하는 커먼레일 시스템의 고압펌프 진단 장치.
- 삭제
- 삭제
- 청구항 3에 있어서,상기 챔버(330)의 내경은 상기 체크밸브(300) 내부에서 챔버(330)로 연료가 유입되는 구멍(320)의 내경보다 크게 마련되는 것을 특징으로 하는 커먼레일 시스템의 고압펌프 진단 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070073877A KR100878085B1 (ko) | 2007-07-24 | 2007-07-24 | 커먼레일 시스템의 고압펌프 진단 장치 및 진단 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070073877A KR100878085B1 (ko) | 2007-07-24 | 2007-07-24 | 커먼레일 시스템의 고압펌프 진단 장치 및 진단 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100878085B1 true KR100878085B1 (ko) | 2009-01-14 |
Family
ID=40482479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020070073877A KR100878085B1 (ko) | 2007-07-24 | 2007-07-24 | 커먼레일 시스템의 고압펌프 진단 장치 및 진단 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100878085B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0026253A1 (de) * | 1979-09-28 | 1981-04-08 | Zellweger Uster Ag | Verbindung von Faserverbänden, Verfahren zur Erzeugung der Verbindung und Vorrichtung zur Ausführung des Verfahrens |
EP0785358B1 (en) | 1996-01-19 | 2002-03-27 | C.R.F. Società Consortile per Azioni | Method and unit for diagnosing leakage of an internal combustion engine high-pressure injection system |
EP0986708B1 (en) | 1997-06-04 | 2006-07-05 | Detroit Diesel Corporation | Method and system for controlling fuel pressure in a common rail fuel injection system |
-
2007
- 2007-07-24 KR KR1020070073877A patent/KR100878085B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0026253A1 (de) * | 1979-09-28 | 1981-04-08 | Zellweger Uster Ag | Verbindung von Faserverbänden, Verfahren zur Erzeugung der Verbindung und Vorrichtung zur Ausführung des Verfahrens |
EP0785358B1 (en) | 1996-01-19 | 2002-03-27 | C.R.F. Società Consortile per Azioni | Method and unit for diagnosing leakage of an internal combustion engine high-pressure injection system |
EP0986708B1 (en) | 1997-06-04 | 2006-07-05 | Detroit Diesel Corporation | Method and system for controlling fuel pressure in a common rail fuel injection system |
Non-Patent Citations (1)
Title |
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Fuel Injection and Controls for IC Engines, Simmons-Boardman publishing Corporation, PP. 267 ~ PP. 292 (1962년 발행) |
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