KR980002801A - Fuel spray test equipment for diesel engines - Google Patents

Fuel spray test equipment for diesel engines Download PDF

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Publication number
KR980002801A
KR980002801A KR1019960025006A KR19960025006A KR980002801A KR 980002801 A KR980002801 A KR 980002801A KR 1019960025006 A KR1019960025006 A KR 1019960025006A KR 19960025006 A KR19960025006 A KR 19960025006A KR 980002801 A KR980002801 A KR 980002801A
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KR
South Korea
Prior art keywords
piston
angle
fuel
combustion chamber
reflecting mirror
Prior art date
Application number
KR1019960025006A
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Korean (ko)
Other versions
KR0184432B1 (en
Inventor
유철호
Original Assignee
김영귀
기아자동차 주식회사
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by 김영귀, 기아자동차 주식회사 filed Critical 김영귀
Priority to KR1019960025006A priority Critical patent/KR0184432B1/en
Publication of KR980002801A publication Critical patent/KR980002801A/en
Application granted granted Critical
Publication of KR0184432B1 publication Critical patent/KR0184432B1/en

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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
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • F02M65/001—Measuring fuel delivery of a fuel injector

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Testing Of Engines (AREA)

Abstract

본 발명은 디젤 엔진의 연료분무 테스트장치를 개시한다. 개시된 본 발명은, 디젤 엔진의 피스톤 상부에 끼워진 중공형의 확장 피스톤(1); 상기 확장 피스톤(1)의 중공부내에 끼워지고, 상부에 연소실을 구성하는 캐비티(210가 형성된 투명 피스톤(2); 상기 투명 피스톤(2)의 캐비티(21)와 함께 연소실을 구성하는 실린더 헤드(7)에 설치되고, 연료를 분사시키는 인젝터(3)의 하단과 소정의 거리로 이격배치되어 분사된 연료가 충돌되는 충돌 디스크(4); 상기 확장 피스톤(1)의 하부 실린더 내벽에 소정의 각도로 경사지게 설치된 수경; 상기 수경에 잡힌 연소실의 연료분무 상태를 촬영하도록, 실린더 측벽에 설치된 카메라; 및 상기 카메라에서 촬영된 사진에 촬영시점을 나타내기 위해 크랭크축의 각도를 측정하여 기록시키는 크랭크 각도 피스톤(1)의 캐비티(21)의 내벽 일측부에 측방에서 연소실의 연료분무상태를 관찰하기 위한 반사경(5)이 소정의 각도로 하향경사지게 설치되고, 상기 반사경(5)에서 하방으로 반사된 화면을 받는 또 다른 수경이 설치된 것을 특징으로 한다.The present invention discloses a fuel spray test apparatus for a diesel engine. The disclosed invention relates to a hollow expanding piston (1) fitted to an upper portion of a piston of a diesel engine; A transparent piston 2 fitted in a hollow portion of the expansion piston 1 and having a cavity 210 formed therein at an upper portion thereof and a cylinder head 21 constituting a combustion chamber together with the cavity 21 of the transparent piston 2 7, a collision disk 4 which is disposed at a predetermined distance from the lower end of the injector 3 for injecting fuel and in which the injected fuel is collided, a collision disk 4 which is provided in the lower cylinder inner wall of the expansion piston 1 at a predetermined angle A crank angle piston for measuring and recording the angle of a crankshaft to indicate a photographing time point on a photograph taken by the camera; and a crank angle piston for measuring the angle of the crankshaft A reflecting mirror 5 for observing the fuel spraying state of the combustion chamber is provided at a side of one side of the inner wall of the cavity 21 of the reflecting mirror 5 at a predetermined angle, It characterized in that the other rigs that receives the reflection screen downward are installed.

Description

디젤 엔진의 연료분무 테스트장치Fuel spray test equipment for diesel engines

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명에 따른 디젤 엔진의 연료분무 테스트장치를 나타낸 도면도.FIG. 1 is a view showing a fuel spray test apparatus of a diesel engine according to the present invention. FIG.

제2도는 제1도의 저면도.Figure 2 is a bottom plan view of Figure 1;

Claims (2)

디젤 엔진의 피스톤 상부에 끼워진 중공형의 확장 피스톤; 상기 확장 피스톤의 중공부내에 끼워지고, 상부에 연소실을 구성하는 캐비티가 형성된 투명 피스톤; 상기 투명 피스톤의 캐비티와 함께 연소실을 구성하는 실린더 헤드에 설치되고, 연료를 분사시키는 인젝터의 하단과 소정의 거리로 이격배치되어 분사된 연료가 충돌되는 충돌 디스크; 상기 확장 피스톤의 하부 실린더 내벽에 소정의 각도로 경사지게 설치된 수경; 상기 수경에 잡힌 연소실의 연료분무 상태를 촬영하도록, 실린더 측벽에 설치된 카메라; 및 상기 카메라에서 촬영된 사진에 촬영시점을 나타내기 위해 크랭크축의 각도를 측정하여 각도를 측정하여 기록시키는 크랭크 각도 마커를 포함하는 디젤 엔진의 연료분무 테스트장치에 있어서, 상기 투명 피스톤의 캐비티의 내벽 일측부에 측방에서 연소실의 연료분무상태를 관찰하기 위한 반사경이 소정의 각도로 하향경사지게 설치되고, 상기 반사경에서 하방으로 반사된 화면을 받는 또 다른 수경이 설치된 것을 특징으로 하는 디젤 엔진의 연료분무 테스트장치.A hollow expansion piston fitted over the piston of a diesel engine; A transparent piston fitted in the hollow portion of the expansion piston and having a cavity forming a combustion chamber at an upper portion thereof; A collision disk installed in a cylinder head constituting a combustion chamber together with a cavity of the transparent piston and spaced apart from a lower end of an injector for injecting fuel to collide the injected fuel; A water surface slope installed at an inner wall of the lower cylinder of the expansion piston at a predetermined angle; A camera provided on a side wall of the cylinder so as to photograph a fuel spray state of the combustion chamber caught by the water gauge; And a crank angle marker for measuring an angle of the crankshaft to measure the angle of the crankshaft so as to indicate a photographing time point on a photograph taken by the camera, the apparatus comprising: Wherein a reflecting mirror for obliquely observing the fuel spraying state of the combustion chamber at a lateral side is provided to be inclined downward at a predetermined angle and another reflecting mirror is provided for receiving the reflected light downward from the reflecting mirror. . 제1항에 있어서, 상기 반사경의 경사각은 45°인 것을 특징으로 하는 디젤 엔진의 연료분무 테스트장치.The fuel spray test apparatus of claim 1, wherein the inclination angle of the reflector is 45 °. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960025006A 1996-06-28 1996-06-28 Fuel injection testing device of diesel engine KR0184432B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960025006A KR0184432B1 (en) 1996-06-28 1996-06-28 Fuel injection testing device of diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960025006A KR0184432B1 (en) 1996-06-28 1996-06-28 Fuel injection testing device of diesel engine

Publications (2)

Publication Number Publication Date
KR980002801A true KR980002801A (en) 1998-03-30
KR0184432B1 KR0184432B1 (en) 1999-03-20

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Application Number Title Priority Date Filing Date
KR1019960025006A KR0184432B1 (en) 1996-06-28 1996-06-28 Fuel injection testing device of diesel engine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101352576B1 (en) * 2013-09-10 2014-01-16 유웅자 Testing device for fuel injection valve
KR101693978B1 (en) 2015-04-21 2017-01-06 주식회사 이디젤 Common rail fuel injector and the fuel pump test apparatus of a large internal combustion engine
KR102026204B1 (en) * 2018-07-16 2019-09-27 한양대학교 산학협력단 Apparatus and method for measuring of wall impingement in an internal combustion engine

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KR0184432B1 (en) 1999-03-20

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