KR910018665A - Fuel system for double fuel diesel engine - Google Patents

Fuel system for double fuel diesel engine Download PDF

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Publication number
KR910018665A
KR910018665A KR1019910005220A KR910005220A KR910018665A KR 910018665 A KR910018665 A KR 910018665A KR 1019910005220 A KR1019910005220 A KR 1019910005220A KR 910005220 A KR910005220 A KR 910005220A KR 910018665 A KR910018665 A KR 910018665A
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KR
South Korea
Prior art keywords
valve
slide
pressure
fuel system
bushing
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KR1019910005220A
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Korean (ko)
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KR0180545B1 (en
Inventor
스틴 보 닐센
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원본미기재
엠에이엔 비 앤드 더블유 디젤 에이/에스
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Publication of KR910018665A publication Critical patent/KR910018665A/en
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Publication of KR0180545B1 publication Critical patent/KR0180545B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14Arrangements of injectors with respect to engines; Mounting of injectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00Engines characterised by air compression and subsequent fuel addition
    • F02B3/06Engines characterised by air compression and subsequent fuel addition with compression ignition
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

Abstract

내용 없음No content

Description

2중 연료 디젤 엔진용 연료시스템Fuel system for double fuel diesel engine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 단일세트의 2중 연료 인젝터에 대한 본 발명에 따른 연료 시스템의 주요 구성요소의 개략도,1 is a schematic representation of the main components of a fuel system according to the invention for a single set of dual fuel injectors,

제2도는 밸브 하우징 및 밸브부재를 지닌 시스템이 릴리프밸브이 종단면도.2 is a longitudinal sectional view of a relief valve of a system having a valve housing and a valve member.

Claims (10)

주연료로써 개스 및 점화 보조제로써 파일럿오일(pilot oil)에 의해구동되는 2중 연료 디젤 엔진용 연료시스템에 있어서,각기의 실린더는 개스 분사용 분사밸브(1)를 유도하는 적어도 하나의 제어오일 도관(6), 파일럿오일 분사용 인젝터 밸브(2)를 지닌 파일럿 오일 흡입 도관(7)및,파일럿일리 흡입도관내의 압력에 의해 폐쇄의치를 향해,스프링(45)에 의해 개방위치를 향해 작동되는 밸브 부재(40)를 지니고 있고 제어오일 도관에 설치된 압력 릴리프 밸브(40)에 연결되며,상기 밸브부재는 각기의 엔진사이클의 압축 행정중 개방위치에 있으며 파일럿 오일 도관내의 압력이 파일럿오일 인젝터밸브(2)의 개방압력보다 낮을때 제어오일 도관내의 제1드레인 덱트(47)를 개방시카며, 상기 밸브부재(40)는 피스콘(36)을 통해 파일럿오일 압력에 의해 작동되며 그부재(40)가 폐쇄위치에 있고 제어 드레인 덕트에 있을때 제어오일 압력에 의해 폐쇄 위치를 향해 작동되는 것을 특징으로 하는 연료 시스템.In a fuel system for a double fuel diesel engine driven by pilot oil as gas and ignition aid as the primary fuel, each cylinder comprises at least one control oil conduit leading to a gas injection injection valve 1. (6), pilot oil intake conduit (7) with injector valve (2) for pilot oil injection, and operated by spring (45) toward the closed position by the pressure in the pilotly intake conduit; It is connected to a pressure relief valve 40 having a valve member 40 and installed in a control oil conduit, wherein the valve member is in an open position during the compression stroke of each engine cycle and the pressure in the pilot oil conduit is a pilot oil injector valve ( When the opening pressure is lower than 2), the first drain deck 47 in the control oil conduit is opened, and the valve member 40 is operated by the pilot oil pressure through the peace cone 36 and the member 40 is opened. In the closed position and fuel system characterized in that the work toward the close position by a control when the oil pressure to control the drain duct. 제1항에 있어서,상기 밸브부재는 한쪽단부에서 제1 드레인 덕트(47)를 포위하는 밸브시이트(48)와 상호작용하도록 니이들 밸브로써 설계된 동축상의 축발향 쇼울더(43)를 지니는 슬라이드(slid)이며, 상기 슬라이드는 쇼울더로 부터 이격되어 축방향으로 대면하고 있고 아력챔버(35)에 배치된 제1피스톤 표면(42)를 포함하며, 슬라이드를 통해 연장된 중간덕트(60)는 쇼울더(43)가 밸브부재의 폐쇄 위치에서 밸브시이트에 접촉하면 압력챔버를 제1드레인 덕트에 연결시키며, 피스톤(36)은 슬라이드(40)의 축방향 정렬상태의 보어에 안정하게 고정배치되고 쇼올더로부터 이격되어 축방향으로 대면하며 파일럿 오일 압력에 의해 영향을 받게되는 제2 피스톤 표면(59)을 지니는 것을 특징으로 하는 연료 시스템.2. The slide according to claim 1, wherein the valve member has a coaxial axial shoulder 43 designed as a needle valve to interact with the valve seat 48 surrounding the first drain duct 47 at one end. Wherein the slide comprises a first piston surface 42 disposed axially facing away from the shoulder and disposed in the arm chamber 35, wherein the intermediate duct 60 extending through the slide is a shoulder 43 ) Contacts the valve seat in the closed position of the valve member, connecting the pressure chamber to the first drain duct, and the piston 36 is stably fixed to the axially aligned bore of the slide 40 and spaced apart from the shodder. And a second piston surface (59) which is axially confronted and affected by pilot oil pressure. 제2항에 있어서, 제2피스톤 표면(59)의 영역이 제1피스톤 표면(42)의 영역보다 대체로 작은 것을 특징으로하는 연료 시스템.3. A fuel system according to claim 2, wherein the area of the second piston surface (59) is generally smaller than the area of the first piston surface (42). 제3항에 있어서,피스톤(36)이 슬리이드와 동축상에 일체적으로 있으며,중간덕트가 슬라이드내의 중심보어(60)에 있는 것을 특징으로 하는 연료시스템.4. The fuel system according to claim 3, wherein the piston (36) is integrally coaxial with the slide and the intermediate duct is in the center bore (60) in the slide. 제2항에 있어서, 제1피스톤 표면(42)의 유효 영역이 제1드레인 덕트(47)이 단면적보다 큰것을 특징으로 하는 연료시스템.3. The fuel system according to claim 2, wherein the effective area of the first piston surface (42) is larger than the cross-sectional area of the first drain duct (47). 제2항에 있어서, 밸브는,파일럿 오일 도관내의 압력이 결정된 압력 이상으로 상승할때 폐쇄되며, 스프링 특성 및 제2피스톤 표면(59)의 영역은, 슬라이드(40)가 폐쇄위치에 있을때 파일럿 오일도관(7)내의상기 결정된 압력에 의해 제2피스톤 표면상에 발휘된 폐쇄력이 스프링이 개방력에 상응하거 될수 있도록 상호간 적합하게 되는 것을 특징으로 하는 연료 시스템.The valve of claim 2, wherein the valve is closed when the pressure in the pilot oil conduit rises above the determined pressure, and the spring characteristics and the region of the second piston surface 59 are pilot oil when the slide 40 is in the closed position. A fuel system, characterized in that the closing force exerted on the surface of the second piston by the determined pressure in the conduit (7) is adapted to each other such that the spring can correspond to the opening force. 제2항에 있어서,맨끝 위치에서 제1드레인 덕트(47) 및 슬라이드(40)와 동축상에 있는슬라이딩부싱(49)은 제어오일 도관(6)과 연통하는 제2드레인 덕트(52)를 차단하며, 슬라이딩부싱과 슬라이드느 그들 사이에서, 슬라이드를 개방위치로 바이어스시키며 슬라이딩부싱을 폐쇄위치로 바이어스시키는 스프링(5)을 지니는 것을 특징으로 하는 연료 시스템.3. The sliding bushing 49 according to claim 2, wherein the sliding bushing 49 is coaxial with the first drain duct 47 and the slide 40 at the terminal position to block the second drain duct 52 in communication with the control oil conduit 6. And a spring (5) between the sliding bushing and the slide, biasing the slide to the open position and biasing the sliding bushing to the closed position. 제7항에 있어서,부싱의 개방방향으로 작용하는 유효 피스톤 영역(55)이 슬라이딩 부싱의 내측에 제공되며, 제2드레인 덕트내의 제어 오일 압력이 상기 유효영역에 작용하는 것을 특징으로 하는 연료시스템.8. The fuel system according to claim 7, wherein an effective piston region (55) acting in the opening direction of the bushing is provided inside the sliding bushing, and control oil pressure in the second drain duct acts on the effective region. 제8항에 있어서,부싱은 스프링(45)맞은편에 배치된 제2드레인 덕트(52)의 축부상의 부싱에 대해 동축방향으로 배치된 밸브시이트(53)와 상호작용하는 밸브로써 형상화된 내측 링(54)을 지니는 것을 특징으로 하는 연료시스템.The inner side of claim 8, wherein the bushing is shaped as a valve which interacts with a valve seat 53 coaxially disposed with respect to the bushing on the shaft portion of the second drain duct 52 disposed opposite the spring 45. A fuel system, characterized in that it has a ring (54). 제8항에 있어서, 부싱이 밸브 시이트(53)의 하측에는 제어오일용 배출 개구부(29)에 연장된 도로를 슬릿이 제공되있는 것을 특징으로 하는 연료 시스템.9. The fuel system according to claim 8, wherein the bushing is provided with a slit in the road extending to the discharge opening (29) for the control oil under the valve seat (53). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910005220A 1990-04-02 1991-04-01 Fuel system for double engine fuel diesel engine KR0180545B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK822/90 1990-04-02
DK082290A DK164293C (en) 1990-04-02 1990-04-02 FUEL SYSTEM FOR A DUAL-FUEL DIESEL ENGINE

Publications (2)

Publication Number Publication Date
KR910018665A true KR910018665A (en) 1991-11-30
KR0180545B1 KR0180545B1 (en) 1999-03-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910005220A KR0180545B1 (en) 1990-04-02 1991-04-01 Fuel system for double engine fuel diesel engine

Country Status (4)

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JP (1) JP2529034B2 (en)
KR (1) KR0180545B1 (en)
DK (1) DK164293C (en)
FI (1) FI103601B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101129887B1 (en) * 2010-08-11 2012-03-28 현대중공업 주식회사 Dual fuel injection valve
WO2014037068A1 (en) 2012-09-04 2014-03-13 Gvh Gesellschaft Für Verbrennungsmotoren Und Hybridantriebe Mbh Valve device, system and use thereof for injecting gaseous fuel
KR101493819B1 (en) * 2013-11-29 2015-02-16 대우조선해양 주식회사 Pilot Fuel Oil Supply System
CN109555620B (en) * 2018-10-22 2023-09-22 中船动力研究院有限公司 Gas injection valve with automatic protection device and working method thereof

Also Published As

Publication number Publication date
FI911553A0 (en) 1991-03-28
JPH0626404A (en) 1994-02-01
FI103601B (en) 1999-07-30
FI911553A (en) 1991-10-03
FI103601B1 (en) 1999-07-30
DK164293C (en) 1992-10-26
DK82290D0 (en) 1990-04-02
DK164293B (en) 1992-06-01
JP2529034B2 (en) 1996-08-28
KR0180545B1 (en) 1999-03-20
DK82290A (en) 1991-10-03

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