EP1404964A2 - Kraftstoffinjektor mit zuschaltbarem steuerraumzulauf - Google Patents
Kraftstoffinjektor mit zuschaltbarem steuerraumzulaufInfo
- Publication number
- EP1404964A2 EP1404964A2 EP02758062A EP02758062A EP1404964A2 EP 1404964 A2 EP1404964 A2 EP 1404964A2 EP 02758062 A EP02758062 A EP 02758062A EP 02758062 A EP02758062 A EP 02758062A EP 1404964 A2 EP1404964 A2 EP 1404964A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- pressure
- control chamber
- chamber
- fuel injector
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 44
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- 238000002347 injection Methods 0.000 claims abstract description 26
- 239000007924 injection Substances 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000004071 soot Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010619 multiway switching Methods 0.000 description 1
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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/0045—Three-way valves
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0059—Arrangements of valve actuators
- F02M63/0068—Actuators specially adapted for partial and full opening of the valves
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/21—Fuel-injection apparatus with piezoelectric or magnetostrictive elements
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/28—Details of throttles in fuel-injection apparatus
Definitions
- the control chamber 2 is acted upon with high pressure analogously to the illustration according to FIG. 2, with a permanently acting high-pressure inlet 28 in which the second throttle element 26 is accommodated.
- the control chamber 2 is connected via a flow channel 10 which opens at 30 into the valve chamber 18 of the switching valve 16.
- fuel can also be applied to the flow channel 10 in the inflow direction 11 via the first throttle element 13, which in this case acts as the inflow throttle; a pressure relief of the control chamber 2 takes place in the discharge direction 12 into the valve chamber 18 via the first throttle element 13 in the flow channel 10, which acts as a discharge throttle in this case.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10131618 | 2001-06-29 | ||
DE2001131618 DE10131618A1 (de) | 2001-06-29 | 2001-06-29 | Kraftstoffinjektor mit zuschaltbarem Steuerraumzulauf |
PCT/DE2002/002292 WO2003004860A2 (de) | 2001-06-29 | 2002-06-21 | Kraftstoffinjektor mit zuschaltbarem steuerraumzulauf |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1404964A2 true EP1404964A2 (de) | 2004-04-07 |
EP1404964B1 EP1404964B1 (de) | 2008-02-13 |
Family
ID=7690063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02758062A Expired - Lifetime EP1404964B1 (de) | 2001-06-29 | 2002-06-21 | Kraftstoffinjektor mit zuschaltbarem steuerraumzulauf |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1404964B1 (de) |
DE (2) | DE10131618A1 (de) |
WO (1) | WO2003004860A2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007034319A1 (de) * | 2007-07-24 | 2009-01-29 | Robert Bosch Gmbh | Injektor |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT2110U3 (de) * | 1997-06-16 | 1998-09-25 | Avl List Gmbh | Einspritzdüse |
DE19744518A1 (de) | 1997-10-09 | 1999-04-15 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE59906995D1 (de) * | 1998-07-31 | 2003-10-23 | Siemens Ag | Einspritzventil mit einem Servoventil |
DE19910589C2 (de) | 1999-03-10 | 2002-12-05 | Siemens Ag | Einspritzventil für eine Brennkraftmaschine |
JP3557996B2 (ja) * | 1999-06-21 | 2004-08-25 | トヨタ自動車株式会社 | 燃料噴射装置 |
JP4048699B2 (ja) * | 1999-11-10 | 2008-02-20 | 株式会社デンソー | 燃料噴射弁 |
DE10024702A1 (de) * | 2000-05-18 | 2001-11-22 | Bosch Gmbh Robert | Einspritzanordnung für ein Kraftstoff-Speichereinspritzsystem einer Verbrennungsmaschine |
JP3551898B2 (ja) * | 2000-06-15 | 2004-08-11 | トヨタ自動車株式会社 | 燃料噴射弁 |
-
2001
- 2001-06-29 DE DE2001131618 patent/DE10131618A1/de not_active Ceased
-
2002
- 2002-06-21 EP EP02758062A patent/EP1404964B1/de not_active Expired - Lifetime
- 2002-06-21 WO PCT/DE2002/002292 patent/WO2003004860A2/de active IP Right Grant
- 2002-06-21 DE DE50211686T patent/DE50211686D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO03004860A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2003004860A2 (de) | 2003-01-16 |
DE10131618A1 (de) | 2003-01-23 |
DE50211686D1 (de) | 2008-03-27 |
WO2003004860A3 (de) | 2003-04-17 |
EP1404964B1 (de) | 2008-02-13 |
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