WO2002012716A1 - Brennstoffeinspritzventil - Google Patents
Brennstoffeinspritzventil Download PDFInfo
- Publication number
- WO2002012716A1 WO2002012716A1 PCT/DE2001/002711 DE0102711W WO0212716A1 WO 2002012716 A1 WO2002012716 A1 WO 2002012716A1 DE 0102711 W DE0102711 W DE 0102711W WO 0212716 A1 WO0212716 A1 WO 0212716A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- injection valve
- fuel injection
- nozzle body
- fuel injector
- holding
- Prior art date
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
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
Definitions
- the invention relates to a fuel injector according to the preamble of claim 1.
- a fuel injector which has a circumferential collar which can be placed with its underside on the top of the cylinder head.
- the fuel injector can be held in a receiving bore by a hold-down device against a relatively high combustion pressure prevailing in a combustion chamber of the internal combustion engine.
- the hold-down device engages at two circumferentially opposite points on the collar of the fuel injector.
- a disadvantage of this fuel injector is that a compact, slim design of the fuel injector is not possible, since a large width of the fuel injector is required due to the circumferential collar.
- a fuel injector which has diametrical contact surfaces, not over the entire circumference of a nozzle body of the fuel injector for a hold-down device. These contact surfaces are formed by recesses in the nozzle body. The contact surfaces are therefore radially within the circumference of the nozzle body.
- a disadvantage of this fuel injector according to the prior art is that the hold-down forces directed onto the contact surfaces are supported via the nozzle body.
- DE 197 35 665 AI also discloses a fuel injector with a collar on which a hold-down device engages.
- a cylinder head has a recess in which the collar of the fuel injection valve is arranged, whereby the collar acts • of the fuel injection valve to which the hold-down device, is sunk into the cylinder head.
- This fuel injector is also not characterized by a compact design. .
- Hold-down forces are possible without passing these forces over the nozzle body.
- Fig. 1 is a partially illustrated embodiment of a fuel injector according to the invention in side view and
- Fig. 2 shows the embodiment of a fuel injector according to the invention shown in Fig. 1 in supervision.
- the fuel injector 1 shows a fuel injection valve 1, only its inlet-side section being shown.
- the fuel injector 1 has a nozzle body 2 and an inlet connector 3 at its inlet-soap end.
- a sealing ring 4, shown here, is used to seal the inlet connector 3 against a fuel inlet, not shown.
- Holding flanges 5 are arranged on the nozzle body 2, which project radially beyond the nozzle body 2 and to which a holding-down device can engage on an engagement surface 6 of the holding flanges 5.
- the holding flanges 5 can, for. B. lie on a cylinder head of an internal combustion engine on a support surface 7. According to the invention, the holding flanges 5 only extend over parts of the circumference of the nozzle body 2.
- FIG. 2 shows the top view of the fuel injection valve 1 according to the invention from FIG. 1.
- the inlet connection 3 is arranged upstream of the nozzle body 2.
- the sealing ring 4 is covered by the inlet connection 3.
- An inlet bore 8 is arranged centrally in the inlet connection 3.
- part of a connector 9 is shown, which is used to connect a control unit to the fuel injector 1, which has an excitable electrical actuator.
- Opposite to each other of the "nozzle body 2 are arranged two retaining flanges 5 on the circumference.
- the two retaining flanges 5 take it in the circumferential direction viewed only an angular range of for example about 45 °.
- the connector 9 extends z. B. 90 ° from the two holding flanges 5. Of the holding flanges 5 -are in the selected one. Representation only the attack surfaces 6 visible for a hold-down device.
- the fuel injector 1 is, for. B. by means of a clamping claw of the holding-down device, which presses on the attack surfaces 6, pressed into an on-bore in the cylinder head.
- the lower contact surfaces 7 rest on the cylinder head and support the hold-down force.
- the holding flanges 5 only extend over parts of the circumference, the fuel injector 1 is compact and slim.
- the holding flanges 5 can also be used to align the fuel injection valve 1 with respect to the cylinder head or the combustion chamber. '
- the holding flanges 5 can be welded-on or non-positively or frictionally connected separate parts (FIG. 1) or be integrally formed with the nozzle body 2 by material removal, for example machining, (FIG. 2). Alternatively, the holding flanges 5 can be formed in one piece by reshaping from the material of the nozzle body 2.
- a clamping claw such as a pressure sleeve
- the fuel injector 1 can also be secured on the holding flanges 5 against twisting in its receiving bore by a corresponding design of the clamping claw.
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
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002517972A JP2004506134A (ja) | 2000-08-05 | 2001-07-19 | 燃料噴射弁 |
EP01962571A EP1309796A1 (de) | 2000-08-05 | 2001-07-19 | Brennstoffeinspritzventil |
KR1020027004342A KR20020037063A (ko) | 2000-08-05 | 2001-07-19 | 연료 분사 밸브 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10038301.7 | 2000-08-05 | ||
DE10038301A DE10038301A1 (de) | 2000-08-05 | 2000-08-05 | Brennstoffeinspritzventil |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002012716A1 true WO2002012716A1 (de) | 2002-02-14 |
Family
ID=7651458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2001/002711 WO2002012716A1 (de) | 2000-08-05 | 2001-07-19 | Brennstoffeinspritzventil |
Country Status (7)
Country | Link |
---|---|
US (1) | US20030047162A1 (de) |
EP (1) | EP1309796A1 (de) |
JP (1) | JP2004506134A (de) |
KR (1) | KR20020037063A (de) |
CZ (1) | CZ20021159A3 (de) |
DE (1) | DE10038301A1 (de) |
WO (1) | WO2002012716A1 (de) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1010783B (de) * | 1953-05-05 | 1957-06-19 | Daimler Benz Ag | Vorrichtung zur Befestigung von Pumpen- oder Duesenaggregaten an Brennkraftmaschinen |
GB1396929A (en) * | 1971-10-01 | 1975-06-11 | Bosch Gmbh Robert | Mounting fuel injection nozzles on internal combustion engines |
US4571161A (en) * | 1984-03-28 | 1986-02-18 | Robert Bosch Gmbh | Pump/nozzle unit for fuel injection in internal combustion engines |
US5016594A (en) * | 1989-03-10 | 1991-05-21 | Robert Bosch Gmbh | Fuel distributor for fuel injection systems of internal combustion engines |
DE4413415C1 (de) | 1994-04-18 | 1995-06-08 | Daimler Benz Ag | Vorrichtung zur Befestigung eines Kraftstoffeinspritzventiles |
JPH08312503A (ja) | 1995-03-10 | 1996-11-26 | Mitsubishi Motors Corp | 固定対象物、特に筒内噴射型内燃機関用インジェクタの取付構造 |
JPH10252609A (ja) * | 1997-01-13 | 1998-09-22 | Yamaha Motor Co Ltd | 筒内噴射エンジン |
DE19735665A1 (de) | 1997-06-25 | 1999-01-07 | Bosch Gmbh Robert | Brennstoffeinspritzanlage |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2445269A (en) * | 1939-03-01 | 1948-07-13 | Ex Cell O Corp | Combined injector nozzle and filter |
US3717305A (en) * | 1970-12-10 | 1973-02-20 | H Hedges | Fuel injection nozzle assembly |
US4246877A (en) * | 1979-07-27 | 1981-01-27 | General Motors Corporation | Notched injector hold-down clamp |
DE4035312A1 (de) * | 1990-11-07 | 1992-05-14 | Bosch Gmbh Robert | Vorrichtung zur einspritzung eines brennstoff-gas-gemisches |
US5772122A (en) * | 1995-04-27 | 1998-06-30 | Nippondenso Co., Ltd. | Fuel injection apparatus for an internal combustion engine |
US5674592A (en) * | 1995-05-04 | 1997-10-07 | Minnesota Mining And Manufacturing Company | Functionalized nanostructured films |
FR2762051B1 (fr) * | 1997-04-10 | 1999-05-21 | Peugeot | Dispositif de fixation d'un injecteur de carburant sur une culasse de moteur a combustion interne |
DE19907544C2 (de) * | 1999-02-22 | 2002-12-05 | Siemens Ag | Injektor für eine Einspritzanlage einer Brennkraftmaschine |
-
2000
- 2000-08-05 DE DE10038301A patent/DE10038301A1/de not_active Withdrawn
-
2001
- 2001-07-19 CZ CZ20021159A patent/CZ20021159A3/cs unknown
- 2001-07-19 JP JP2002517972A patent/JP2004506134A/ja active Pending
- 2001-07-19 WO PCT/DE2001/002711 patent/WO2002012716A1/de not_active Application Discontinuation
- 2001-07-19 US US10/089,833 patent/US20030047162A1/en not_active Abandoned
- 2001-07-19 KR KR1020027004342A patent/KR20020037063A/ko not_active Application Discontinuation
- 2001-07-19 EP EP01962571A patent/EP1309796A1/de not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1010783B (de) * | 1953-05-05 | 1957-06-19 | Daimler Benz Ag | Vorrichtung zur Befestigung von Pumpen- oder Duesenaggregaten an Brennkraftmaschinen |
GB1396929A (en) * | 1971-10-01 | 1975-06-11 | Bosch Gmbh Robert | Mounting fuel injection nozzles on internal combustion engines |
US4571161A (en) * | 1984-03-28 | 1986-02-18 | Robert Bosch Gmbh | Pump/nozzle unit for fuel injection in internal combustion engines |
US5016594A (en) * | 1989-03-10 | 1991-05-21 | Robert Bosch Gmbh | Fuel distributor for fuel injection systems of internal combustion engines |
DE4413415C1 (de) | 1994-04-18 | 1995-06-08 | Daimler Benz Ag | Vorrichtung zur Befestigung eines Kraftstoffeinspritzventiles |
JPH08312503A (ja) | 1995-03-10 | 1996-11-26 | Mitsubishi Motors Corp | 固定対象物、特に筒内噴射型内燃機関用インジェクタの取付構造 |
JPH10252609A (ja) * | 1997-01-13 | 1998-09-22 | Yamaha Motor Co Ltd | 筒内噴射エンジン |
DE19735665A1 (de) | 1997-06-25 | 1999-01-07 | Bosch Gmbh Robert | Brennstoffeinspritzanlage |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14 31 December 1998 (1998-12-31) * |
Also Published As
Publication number | Publication date |
---|---|
DE10038301A1 (de) | 2002-02-14 |
KR20020037063A (ko) | 2002-05-17 |
JP2004506134A (ja) | 2004-02-26 |
CZ20021159A3 (cs) | 2003-09-17 |
US20030047162A1 (en) | 2003-03-13 |
EP1309796A1 (de) | 2003-05-14 |
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