FR3042547B1 - FUEL INJECTION NOZZLE - Google Patents

FUEL INJECTION NOZZLE Download PDF

Info

Publication number
FR3042547B1
FR3042547B1 FR1659982A FR1659982A FR3042547B1 FR 3042547 B1 FR3042547 B1 FR 3042547B1 FR 1659982 A FR1659982 A FR 1659982A FR 1659982 A FR1659982 A FR 1659982A FR 3042547 B1 FR3042547 B1 FR 3042547B1
Authority
FR
France
Prior art keywords
line
central point
fuel injection
injection nozzle
chamber
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.)
Expired - Fee Related
Application number
FR1659982A
Other languages
French (fr)
Other versions
FR3042547A1 (en
Inventor
Fumihiro Fujikake
Kazufumi SERIZAWA
Atsushi Utsunomiya
Yuuta HASHIMOTO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Priority to FR1659982A priority Critical patent/FR3042547B1/en
Publication of FR3042547A1 publication Critical patent/FR3042547A1/en
Application granted granted Critical
Publication of FR3042547B1 publication Critical patent/FR3042547B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • 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
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1866—Valve seats or member ends having multiple cones
    • 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
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • 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
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

Selon l'invention, la direction de déplacement d'une aiguille (2) étant la direction axiale ; la direction dans laquelle se déplace l'aiguille lorsque l'injection de carburant commence est le haut ; le point central d'une sphère ayant la surface sphérique d'une chambre (6) est le point central (P1) ; une droite passant par le point central dans la direction axiale est la ligne médiane (L1) ; une droite obtenue en prolongeant l'axe central d'un trou de buse (3) jusque dans la chambre (6) est une ligne de prolongement, une ligne obtenue en projetant la ligne de prolongement dans la direction perpendiculaire est une ligne de projection (KL2), la ligne de prolongement est décalée par rapport à la ligne médiane (L1) et le point de croisement imaginaire (KP2), la ligne de projection (KL2) et la ligne médiane du sac (L1) se croisant au-dessus du point central..According to the invention, the direction of movement of a needle (2) being the axial direction; the direction in which the needle moves when the fuel injection starts is up; the central point of a sphere having the spherical surface of a chamber (6) is the central point (P1); a straight line passing through the central point in the axial direction is the center line (L1); a straight line obtained by extending the central axis of a nozzle hole (3) into the chamber (6) is an extension line, a line obtained by projecting the extension line in the perpendicular direction is a projection line ( KL2), the extension line is offset from the center line (L1) and the imaginary crossing point (KP2), the projection line (KL2) and the center line of the bag (L1) crossing above the central point..

FR1659982A 2015-06-24 2016-10-14 FUEL INJECTION NOZZLE Expired - Fee Related FR3042547B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1659982A FR3042547B1 (en) 2015-06-24 2016-10-14 FUEL INJECTION NOZZLE

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015126798A JP2017008861A (en) 2015-06-24 2015-06-24 Fuel injection nozzle
FR1655854A FR3038009B1 (en) 2015-06-24 2016-06-23 FUEL INJECTION NOZZLE
FR1659982A FR3042547B1 (en) 2015-06-24 2016-10-14 FUEL INJECTION NOZZLE

Publications (2)

Publication Number Publication Date
FR3042547A1 FR3042547A1 (en) 2017-04-21
FR3042547B1 true FR3042547B1 (en) 2020-06-19

Family

ID=57537457

Family Applications (4)

Application Number Title Priority Date Filing Date
FR1655854A Expired - Fee Related FR3038009B1 (en) 2015-06-24 2016-06-23 FUEL INJECTION NOZZLE
FR1659981A Expired - Fee Related FR3042546B1 (en) 2015-06-24 2016-10-14 FUEL INJECTION NOZZLE
FR1659978A Expired - Fee Related FR3042545B1 (en) 2015-06-24 2016-10-14 FUEL INJECTION NOZZLE
FR1659982A Expired - Fee Related FR3042547B1 (en) 2015-06-24 2016-10-14 FUEL INJECTION NOZZLE

Family Applications Before (3)

Application Number Title Priority Date Filing Date
FR1655854A Expired - Fee Related FR3038009B1 (en) 2015-06-24 2016-06-23 FUEL INJECTION NOZZLE
FR1659981A Expired - Fee Related FR3042546B1 (en) 2015-06-24 2016-10-14 FUEL INJECTION NOZZLE
FR1659978A Expired - Fee Related FR3042545B1 (en) 2015-06-24 2016-10-14 FUEL INJECTION NOZZLE

Country Status (4)

Country Link
JP (1) JP2017008861A (en)
CN (1) CN106286057B (en)
DE (1) DE102016109765A1 (en)
FR (4) FR3038009B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112228262B (en) * 2020-09-30 2022-07-22 江苏大学 Diesel injector based on nozzle internal vortex cavitation induction hollow spraying structure

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61125664U (en) * 1985-01-25 1986-08-07
JPS62154272U (en) * 1986-03-25 1987-09-30
JP3033431B2 (en) * 1994-03-30 2000-04-17 三菱自動車工業株式会社 Fuel injection nozzle
JP3323429B2 (en) * 1997-11-19 2002-09-09 トヨタ自動車株式会社 Fuel injection valve for internal combustion engine
DE10227277A1 (en) * 2002-06-19 2004-01-08 Robert Bosch Gmbh Fuel injection valve for internal combustion engines
DE10232050A1 (en) * 2002-07-16 2004-02-05 Robert Bosch Gmbh Fuel injection valve, for an IC motor, has micro-recesses in the valve needle sealing surface and/or the valve seat to improve the drift behavior of the injected fuel volume and increase the working life
JP2004204808A (en) * 2002-12-26 2004-07-22 Yanmar Co Ltd Fuel injection nozzle
JP4129688B2 (en) * 2004-05-17 2008-08-06 株式会社デンソー Fluid injection valve
JP2006009622A (en) * 2004-06-23 2006-01-12 Toyota Motor Corp Fuel injection valve for internal combustion engine
JP2010174819A (en) 2009-01-30 2010-08-12 Denso Corp Fuel injection valve
JP5195890B2 (en) * 2010-12-21 2013-05-15 トヨタ自動車株式会社 Fuel injection valve and internal combustion engine
JP5842728B2 (en) * 2012-05-08 2016-01-13 株式会社日本自動車部品総合研究所 Fuel injection valve
JP6100584B2 (en) * 2013-03-29 2017-03-22 株式会社日本自動車部品総合研究所 Fuel injection nozzle

Also Published As

Publication number Publication date
CN106286057B (en) 2020-09-25
FR3038009A1 (en) 2016-12-30
FR3042546B1 (en) 2019-08-23
FR3042545A1 (en) 2017-04-21
DE102016109765A1 (en) 2016-12-29
FR3042545B1 (en) 2019-07-19
FR3042547A1 (en) 2017-04-21
FR3042546A1 (en) 2017-04-21
FR3038009B1 (en) 2019-04-12
JP2017008861A (en) 2017-01-12
CN106286057A (en) 2017-01-04

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