KR970701310A - Fuel injection valves for internal combustion engines (Kraftstoffeinspritzventil fur brennkraftmaschinen) - Google Patents

Fuel injection valves for internal combustion engines (Kraftstoffeinspritzventil fur brennkraftmaschinen)

Info

Publication number
KR970701310A
KR970701310A KR1019960704540A KR19960704540A KR970701310A KR 970701310 A KR970701310 A KR 970701310A KR 1019960704540 A KR1019960704540 A KR 1019960704540A KR 19960704540 A KR19960704540 A KR 19960704540A KR 970701310 A KR970701310 A KR 970701310A
Authority
KR
South Korea
Prior art keywords
valve
fuel injection
injection
diaphragm
fuel
Prior art date
Application number
KR1019960704540A
Other languages
Korean (ko)
Inventor
호프만 칼
포쯔 데트레프
레벤쯔 귄테르
고르돈 우베
하우그 스테판
Original Assignee
랄프 베렌스; 빌프리드 뵈르
로베르트 보쉬 게엠베하
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
Publication date
Application filed by 랄프 베렌스; 빌프리드 뵈르, 로베르트 보쉬 게엠베하 filed Critical 랄프 베렌스; 빌프리드 뵈르
Publication of KR970701310A publication Critical patent/KR970701310A/en

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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/047—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves being formed by deformable nozzle parts, e.g. flexible plates or discs with fuel discharge orifices

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

밸브몸체(1)의 연소실측의 말단부에, 공급통로(5)와 접속된 방(9)이 배치되어 있고, 상기 방이 반경방향 내측에서 밸브몸체(1)의 연소실측의 말단면(7)으로부터 축방향으로 돌출한 밸브시트(15)를 유지하는 핀(11)에 의해서 구획되어 있고, 연료를 공급해야 되는 내연기관의 연소실에 대하여 상기 방(9)을 구분하는 밸브몸체(1)의 바깥테두리 범위에 단단히 조여진 용수철 탄성적인 밸브격막(17)이 설치되고 있고, 상기 밸브격막(17)의 밸브시트(15)에 프리로드를 거쳐서 빈틈없이 접촉하는 밸브밀봉면(19)이 설치되어 있고, 더욱이 밸브격막(17)은 분사개방입구(25)를 가지고 있으며, 상기 분사개방입구(25)가 연료의 분사류방향에서 보아 상기 밸브밀봉면(19)의 배후에서 밸브격막(17)에 배치되어 있는 내연기관에 사용되는 연료분사밸브가 제시되었다.A chamber 9 connected to the supply passage 5 is disposed at the distal end of the combustion chamber side of the valve body 1, and the chamber is radially inward from the distal face 7 of the combustion chamber side of the valve body 1. The outer rim of the valve body 1 partitioned by the pin 11 holding the valve seat 15 protruding in the axial direction and separating the chamber 9 from the combustion chamber of the internal combustion engine to which fuel is to be supplied. A spring-elastic valve diaphragm 17 that is tightly tightened in the range is provided, and a valve sealing surface 19 for tightly contacting the valve seat 15 of the valve diaphragm 17 via a preload is provided. The valve diaphragm 17 has an injection opening inlet 25, and the injection opening inlet 25 is disposed in the valve diaphragm 17 behind the valve sealing surface 19 as viewed in the direction of injection flow of fuel. A fuel injection valve for an internal combustion engine has been proposed.

Description

내연기관용 연료 분사 밸브(Kraftstoffeinspritzventil fur brenndraftmaschinen)Fuel injection valves for internal combustion engines (Kraftstoffeinspritzventil fur brenndraftmaschinen)

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

제1도는 본 발명에 의한 연료분사밸브의 제1실시예를 나타내는 종단면도,1 is a longitudinal sectional view showing a first embodiment of a fuel injection valve according to the present invention;

제2도는 밸브격막 및 핀으로 형성된 밸브시트의 확대도,2 is an enlarged view of a valve seat formed of a valve diaphragm and a pin,

제3도는 밸브시트가 구형물체적으로 형성되어 있는 제2실시예를 나타내는 단면도.3 is a cross-sectional view showing a second embodiment in which the valve seat is formed in a spherical volume.

Claims (15)

내연기관용 연료분사밸브에 있어서, 위치고정의 밸브시트(15)를 구비한 밸브몸체(1)와 가동의 밸브부재(17)가 설치되어 있고, 상기 밸브부재(17)가 탄성적으로 조절가능한 벽을 가지고 있고, 상기 벽의 가장자리부가 밸브몸체(1)에 위치고정되며, 밸브부재(17)의 조절가능한 벽이 밸브몸체(1)의 말단면(7)과 동시에 방(9)을 둘러싸고 있고, 다른쪽의 측에서는 연료를 공급해야 되는 내연기관의 조절가능한 벽에 인접한 연소실에서 상기방(9)을 격리하고 있고, 연료고압원에 의해서 연료고압을 공급하는 공급통로(5)가 설치되어 있고, 상기 연료공급통로(5)가 상기 방(9)으로 열려져 있고, 가동의 밸브부재(17)에 밸브밀봉면(19)이 설치되어 있고, 상기 밸브밀봉면(19)이 위치고정의 밸브시트(15)의 상류측에서 발생괴어 조여지는 연료고압의 작용을 받아 위치고정의밸브시트(15)로부터 들어 올려지는 것이 가능하고, 이 때에 상기 밸브밀봉면(19)이 상기 밸브밀봉면(1)의 하류측에 위치하는 1개 이상의 분사개방입구(25)를 상기 공급통로(5)에 접속하게 되어 있는 형식으로, 분사개방입구(25)로서 지오메트리적으로 규정된 1개 이상의 분사구멍이 설치되어 있고, 상기 분사구멍이, 상기 밸브밀봉면(19)의 하류측에서 가동의 밸브부재(17)를 관통하여 안내되어 있는 것을 특징으로 하는 연료분사밸브.In the fuel injection valve for an internal combustion engine, the valve body 1 provided with the valve seat 15 of a position fixing, and the movable valve member 17 are provided, The wall which the valve member 17 is elastically adjustable is provided. And the edge of the wall is fixed to the valve body (1), the adjustable wall of the valve member (17) surrounds the room (9) simultaneously with the distal end (7) of the valve body (1), On the other side, the chamber 9 is isolated from the combustion chamber adjacent to the adjustable wall of the internal combustion engine to which fuel is to be supplied, and a supply passage 5 for supplying the fuel high pressure by the fuel high pressure source is provided. The fuel supply passage 5 is opened to the chamber 9, the valve sealing surface 19 is provided on the movable valve member 17, and the valve sealing surface 19 is a valve seat 15 having a fixed position. Position fixing bell under the action of high fuel pressure It is possible to lift from the seat 15, and at this time, the one or more injection openings 25 in which the valve sealing surface 19 is located downstream of the valve sealing surface 1 are supplied to the supply passage 5. ), One or more injection holes, which are defined geometrically as the injection opening inlets 25, are provided, and the injection holes are movable valves downstream of the valve sealing surface 19. A fuel injection valve, which is guided through the member (17). 제1항에 있어서, 밸브시트(15)가 밸브몸체(1)의 축선에 대하여 동축적으로 밸브몸체(1)의 연소실축의 말단면(7)으로부터 돌출한 핀(11)으로 형성되어 있고, 상기 핀(11)의 횡단면이 밸브격막으로 형성된 가동의 밸브부재(17)의 방향으로 감소하고 있고, 가동의 밸브부재(17)가 상기 밸브밀봉면(19)에 계속해서 설치된 오목부(21)를 가지고 있고, 상기 오목부(21)를 기점으로서 분사구멍이 연장되어 있는 것을 특징으로 하는 연료분사밸브.2. The valve seat (15) according to claim 1, wherein the valve seat (15) is formed of a pin (11) protruding from the end face (7) of the combustion chamber shaft of the valve body (1) coaxially with respect to the axis of the valve body (1). The cross section of the pin 11 is reduced in the direction of the movable valve member 17 formed of the valve diaphragm, and the recessed portion 21 in which the movable valve member 17 is continuously provided on the valve sealing surface 19 is provided. And a injection hole extending from the recess 21 as a starting point. 제1항에 있어서, 밸브시트(15)가 밸브몸체(1)의 연소실축의 말단면(7)에 고정된 구형물체(31)로 형성되어 있는 것을 특징으로 하는 연료분사밸브.The fuel injection valve according to claim 1, wherein the valve seat (15) is formed of a spherical object (31) fixed to an end face (7) of the combustion chamber shaft of the valve body (1). 제1항에 있어서, 분사개방입구(25)가 유리하게는 판상의 밸브격막(17)으로서 형성된 가동의 밸브부재의 말단면으로부터 연소실의 방향으로 돌출한 성형부(21)에 배치되어 있고, 상기 성형부(21)의 상기 방(9)에 면한 벽의 일부가 밸브밀봉면(19)을 형성하고 있고, 해당 밸브밀봉면(19)과 분사개방입구(25)의 사이에 막힌구멍형상의 방(23)이 남겨져 있는 것을 특징으로 하는 연료분사밸브.The injection opening 25 is advantageously arranged in the molding portion 21 protruding in the direction of the combustion chamber from the end face of the movable valve member formed as a plate-shaped valve diaphragm 17. A part of the wall facing the chamber 9 of the forming section 21 forms a valve sealing surface 19, and the room of the hole shape clogged between the valve sealing surface 19 and the injection opening opening 25. A fuel injection valve, characterized in that 23 is left. 제4항에 있어서, 밸브격막(17)의 분사개방입구(25)를 수용하는 상기 성형부(21)가 연소실측의 말단부에서 구형 세그멘트 형상으로 형성되어 있고, 분사개방입구(25)가 유리하게는 대상축선에 대하여 어긋나게 배치되어 있는 것을 특징으로 하는 연료분사밸브.5. The molding portion 21 for receiving the injection opening 25 of the valve diaphragm 17 is formed in a spherical segment shape at the end of the combustion chamber side, and the injection opening 25 is advantageously. The fuel injection valve is arranged to be offset from the target axis. 제4항에 있어서, 밸브격막(7)의 분사개방입구(25)를 수용하는 상기 성형부(21)가 밸브격박(17)과 일체로 형성되어 있는 것을 특징으로 하는 연료분사밸브.The fuel injection valve according to claim 4, wherein the molding portion (21) for receiving the injection opening (25) of the valve diaphragm (7) is formed integrally with the valve septum (17). 제4항에 있어서, 분사개방입구를 수용하는 상기 성형부가 밸브격막(17)에 빈틈없게 결합된 격막삽입체(33)로 형성되어 있는 것을 특징으로 하는 연료분사밸브.5. The fuel injection valve according to claim 4, wherein the molding portion for receiving the injection opening is formed of a diaphragm insert (33) tightly coupled to the valve diaphragm (17). 제7항에 있어서, 상기 격막삽입체(33)가 구모양의 정수리부를 구비한 중공 원통형의 원추사다리꼴체로서 형성되어 있는 것을 특징으로 하는 연료분사밸브.8. The fuel injection valve according to claim 7, wherein the diaphragm insert (33) is formed as a hollow cylindrical conical trapezoid with a spherical crown. 제7항에 있어서, 상기 격막삽입체(33)가 중공의 원통형의 구형 세그멘트로서 형성되어 있는 것을 특징으로 하는 연료분사밸브.8. The fuel injection valve according to claim 7, wherein the diaphragm insert (33) is formed as a hollow cylindrical spherical segment. 제1항에 있어서, 밸브시트(15)가 공급통로(5)의 상기 방(9)에 접한 유출개방입구에 의해서 밸브몸체(1)의 연소실측의 말단면(7)에 형성되어 있고, 상기 가동의 벽에 구형물체(39)가 고정되어 있고, 해당 구형물체(39)의 벽면 일부가 밸브시트(15)와 함께 작용하는 밸브밀봉면(19)을 형성하고 있고, 또한 상기 구형물체(39)가 다수의 분사통로(41)를 가지고 있고, 해당 분사통로(41)의 한쪽의 말단부가 각각 상기 방(9)에서 상시 접속되며, 다른쪽의 말단부가 연소실에 상시 접속되어 있는 것을 특징으로 하는 연료분사밸브.2. The valve seat (15) according to claim 1, wherein the valve seat (15) is formed at the end face (7) of the combustion chamber side of the valve body (1) by an outlet opening in contact with the chamber (9) of the supply passage (5). The spherical object 39 is fixed to the movable wall, and a part of the wall surface of the spherical object 39 forms the valve sealing surface 19 which acts together with the valve seat 15, and the spherical object 39 Has a plurality of injection passages 41, one end of each of the injection passages 41 is always connected in the chamber 9, and the other end is always connected to the combustion chamber, characterized in that Fuel injection valve. 제1항에 있어서, 상기 가동의 밸브부재(17)가 조임너트(27)에 의해서 밸브몸체(1)에 고정되어 있는 것을 특징으로 하는 연료분사밸브.The fuel injection valve according to claim 1, wherein the movable valve member (17) is fixed to the valve body (1) by a tightening nut (27). 제11항에 있어서, 상기 가동의 밸브부재(17)가 밸브몸체(1)의 사이에 슬리브(13) 또는 조절링(45)이 설치되어 있는 것을 특징으로 하는 연료분사밸브.12. The fuel injection valve according to claim 11, wherein the movable valve member (17) is provided with a sleeve (13) or an adjustment ring (45) between the valve bodies (1). 제2하에 있어서, 밸브시트(15)를 유지하는 상기 핀(11)이 내연기관의 연소실에 돌입하고 있고 이 목적을 위하여 상기 밸브격막(17)의 일부가 동일하게 중공의 원통형으로 형성되어 있는 것을 특징으로 하는 연료분사밸브.Under the second aspect, the pin 11 holding the valve seat 15 has entered the combustion chamber of the internal combustion engine, and for this purpose a part of the valve diaphragm 17 is formed in the same hollow cylindrical shape. A fuel injection valve characterized in that. 제1항에 있어서, 상기 가동의 밸브부재(17)가 밸브몸체(1)에 용접되어 있는 것을 특징으로 하는 연료분사밸브.The fuel injection valve according to claim 1, wherein the movable valve member (17) is welded to the valve body (1). 제1항에 있어서, 상기 가동의 밸브부재(17)가 밸브격막(17)과 밸브몸체(1)의 사이에 삽입가능한 슬리브(13)와 일체로 형성되어 있는 것을 특징으로 하는 연료분사밸브.The fuel injection valve according to claim 1, wherein the movable valve member (17) is integrally formed with a sleeve (13) insertable between the valve diaphragm (17) and the valve body (1). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960704540A 1994-12-20 1995-11-15 Fuel injection valves for internal combustion engines (Kraftstoffeinspritzventil fur brennkraftmaschinen) KR970701310A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4445585A DE4445585A1 (en) 1994-12-20 1994-12-20 Fuel injection valve for internal combustion engines
DEP4445585.2 1994-12-20
PCT/DE1995/001580 WO1996019660A1 (en) 1994-12-20 1995-11-15 Fuel injection valve for internal combustion engines

Publications (1)

Publication Number Publication Date
KR970701310A true KR970701310A (en) 1997-03-17

Family

ID=6536448

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960704540A KR970701310A (en) 1994-12-20 1995-11-15 Fuel injection valves for internal combustion engines (Kraftstoffeinspritzventil fur brennkraftmaschinen)

Country Status (7)

Country Link
EP (1) EP0770176A1 (en)
JP (1) JPH09509717A (en)
KR (1) KR970701310A (en)
CN (1) CN1141664A (en)
CZ (1) CZ241596A3 (en)
DE (1) DE4445585A1 (en)
WO (1) WO1996019660A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536330A1 (en) * 1995-09-29 1997-04-03 Bosch Gmbh Robert Fuel injection valve for IC engines
DE10064802A1 (en) * 2000-12-22 2002-06-27 Bosch Gmbh Robert Fuel injection valve for combustion engine has valve sealing surface on radially outer edge of valve element biased in center section by holding element with respect to contact with valve seat
EP1559905A1 (en) * 2004-01-29 2005-08-03 Siemens VDO Automotive S.p.A. Fluid injector with a deformable valve needle
DE102008007203A1 (en) * 2008-02-01 2009-08-06 Robert Bosch Gmbh Compact injection device with pressure-controlled nozzle
TWI470149B (en) * 2009-02-12 2015-01-21 Bosch Gmbh Robert Kompakte einspritzvorrichtung mit druckgesteuerter duese
CN101592106B (en) * 2009-04-24 2013-10-30 靳北彪 Apertured valve sheet deformation fuel injector for engine
CN101592112B (en) * 2009-04-24 2012-06-27 靳北彪 Valve sheet deformation fuel injector for engine
CN101598096B (en) * 2009-05-12 2012-04-25 靳北彪 Global fuel injection device for engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE363572C (en) * 1922-11-10 Oskar Robert Groenkwist Device for atomizing liquids, in particular liquid fuel for internal combustion engines
DE497439C (en) * 1926-03-28 1930-05-09 Super Diesel Tractor Corp Method and device for the airless introduction of liquid fuel in a gaseous state into the working space of an internal combustion engine
US2805891A (en) * 1954-04-05 1957-09-10 Mcculloch Motors Corp Fluid spray nozzle
GB760852A (en) * 1954-06-11 1956-11-07 Dewandre Co Ltd C Improvements relating to fuel injection nozzles for internal combustion engines including gas turbines
FR1218966A (en) * 1958-03-25 1960-05-13 Motorpal Jihlava Np Injection nozzle for internal combustion engine injector

Also Published As

Publication number Publication date
DE4445585A1 (en) 1996-06-27
WO1996019660A1 (en) 1996-06-27
EP0770176A1 (en) 1997-05-02
CN1141664A (en) 1997-01-29
CZ241596A3 (en) 1997-02-12
JPH09509717A (en) 1997-09-30

Similar Documents

Publication Publication Date Title
KR0161268B1 (en) Injection valve for fuel injector of an internal combustion engine
AU733211B2 (en) Fuel injection system
JPH01247761A (en) Fuel injection valve
JPH0312666B2 (en)
JP2004502075A (en) Fuel injection valve for internal combustion engine
SE9700263L (en) Cylinder head for a combustion engine of the type with injection in the cylinder and spark ignition
JPH01116280A (en) Bored body for fuel injection valve
KR970701310A (en) Fuel injection valves for internal combustion engines (Kraftstoffeinspritzventil fur brennkraftmaschinen)
RU2003129063A (en) VALVE INJECTOR FOR FUEL INJECTION
US6105545A (en) Intake port for an internal combustion engine
US4593655A (en) Valve seat ring cooling apparatus
JP4154033B2 (en) Internal combustion engine
DE602005005981D1 (en) injection
JPH06185437A (en) Fuel injection device
GB2310892A (en) I.c engine fuel injection valve fuel supply device with integrated leakage oil discharge
KR100480399B1 (en) Fuel supply
US5575263A (en) Fuel-dispersing skirt for an injector of a fuel-injected engine
US6098598A (en) Fuel injection valve
JPS5916097B2 (en) fuel injector
WO2001053684A3 (en) Fuel injection valve for internal combustion engines and a method for producing same
KR100202914B1 (en) Fuel injection valve for an internal combustion engine
US20240209814A1 (en) Cylinder head for an internal combustion engine and an internal combustion engine with such a cylinder head
JPH11501382A (en) Fuel injection valve for internal combustion engine
GB2125888A (en) I.C. Engine fuel injection valve
ITRM940695A1 (en) "FUEL INJECTION NOZZLE IN INTERNAL COMBUSTION ENGINES"

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid