EP1387950A1 - Soupape dotee de cavites radiales - Google Patents

Soupape dotee de cavites radiales

Info

Publication number
EP1387950A1
EP1387950A1 EP02732350A EP02732350A EP1387950A1 EP 1387950 A1 EP1387950 A1 EP 1387950A1 EP 02732350 A EP02732350 A EP 02732350A EP 02732350 A EP02732350 A EP 02732350A EP 1387950 A1 EP1387950 A1 EP 1387950A1
Authority
EP
European Patent Office
Prior art keywords
valve
needle tip
wall
valve body
conical
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
Application number
EP02732350A
Other languages
German (de)
English (en)
Other versions
EP1387950B1 (fr
Inventor
Patrick Mattes
Friedrich Boecking
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1387950A1 publication Critical patent/EP1387950A1/fr
Application granted granted Critical
Publication of EP1387950B1 publication Critical patent/EP1387950B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F02M61/16—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
    • F02M61/1873—Valve seats or member ends having circumferential grooves or ridges, e.g. toroidal
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • 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
    • 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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lift Valve (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

La présente invention concerne une soupape comprenant un pointeau de soupape (2) pouvant se déplacer axialement dans un orifice (5) pratiqué dans un corps de soupape (3), ledit pointeau présentant une pointe conique de pointeau de soupape (4) à l'une de ses extrémités. La pointe conique de pointeau de soupape (4) comprend une surface radiale d'étanchéité de soupape (9) qui, lorsque la soupape est en position de fermeture, vient contre une paroi conique interne de corps de soupape (6) à l'extrémité fermée de l'orifice (5). Dans la paroi conique interne de corps de soupape (6) se trouve au moins une ouverture (7) qui relie l'orifice (5) à la partie externe< >(8) du corps de soupape (3). La soupape comprend deux cavités radiales (12, 13, 16, 17) qui sont formées dans la pointe de pointeau de soupape (4) ou dans la paroi interne de corps de soupape (6), l'une des cavités radiales (13, 17) se trouvant en amont (10) et l'autre cavité radiale (12, 16) se trouvant en aval (11) de la position de la surface d'étanchéité de soupape (9) lorsque la soupape est en position de fermeture.
EP02732350A 2001-05-10 2002-03-23 Soupape dotee de cavites radiales Expired - Lifetime EP1387950B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10122503A DE10122503A1 (de) 2001-05-10 2001-05-10 Ventil mit radialen Ausnehmungen
DE10122503 2001-05-10
PCT/DE2002/001081 WO2002090761A1 (fr) 2001-05-10 2002-03-23 Soupape dotee de cavites radiales

Publications (2)

Publication Number Publication Date
EP1387950A1 true EP1387950A1 (fr) 2004-02-11
EP1387950B1 EP1387950B1 (fr) 2010-01-13

Family

ID=7684142

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02732350A Expired - Lifetime EP1387950B1 (fr) 2001-05-10 2002-03-23 Soupape dotee de cavites radiales

Country Status (7)

Country Link
US (1) US7000856B2 (fr)
EP (1) EP1387950B1 (fr)
JP (1) JP4157384B2 (fr)
CN (1) CN1462342A (fr)
DE (2) DE10122503A1 (fr)
PL (1) PL358462A1 (fr)
WO (1) WO2002090761A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10260975A1 (de) * 2002-12-24 2004-07-08 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
EP1522721B1 (fr) 2003-10-06 2006-05-03 Delphi Technologies, Inc. Buse d'injection
DE10351881A1 (de) * 2003-10-30 2005-06-02 Robert Bosch Gmbh Injektor mit Strukturen zur Begrenzung verschleißbedingter Änderungen eines Öffnungsverlaufs
DE10353683A1 (de) * 2003-11-17 2005-06-16 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102004050046A1 (de) * 2004-10-14 2006-04-20 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102005025135A1 (de) * 2005-06-01 2006-12-07 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
US7578450B2 (en) * 2005-08-25 2009-08-25 Caterpillar Inc. Fuel injector with grooved check member
US7360722B2 (en) * 2005-08-25 2008-04-22 Caterpillar Inc. Fuel injector with grooved check member
US20070200011A1 (en) * 2006-02-28 2007-08-30 Caterpillar Inc. Fuel injector having nozzle member with annular groove
DE102009029542A1 (de) * 2009-08-28 2011-03-03 Robert Bosch Gmbh Kraftstoffeinspritzventil
DE102009042155A1 (de) * 2009-09-21 2011-04-07 Continental Automotive Gmbh Kraftstoff-Einspritzventil für eine Brennkraftmaschine
DE102011003926A1 (de) * 2011-02-10 2012-08-16 Robert Bosch Gmbh Ventil zum Steuern eines Fluids
US9903329B2 (en) 2012-04-16 2018-02-27 Cummins Intellectual Property, Inc. Fuel injector

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1952816A (en) * 1931-04-04 1934-03-27 Bendix Res Corp Fuel injector
GB562033A (en) * 1942-11-11 1944-06-15 William Reginald Cobb Improvements relating to fuel injectors for internal combustion engines
US2927737A (en) * 1952-04-12 1960-03-08 Bosch Gmbh Robert Fuel injection valves
US3836080A (en) * 1973-09-10 1974-09-17 Ambac Ind Fuel injection nozzle
US4153205A (en) * 1977-10-19 1979-05-08 Allis-Chalmers Corporation Short seat fuel injection nozzle valve
DE3237882A1 (de) * 1982-10-13 1984-04-19 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoff-einspritzduese fuer brennkraftmaschinen
SE457348B (sv) * 1985-05-09 1988-12-19 Abb Stal Ab Pneumatiskt transportsystem med materialmatare
EP0283154A1 (fr) 1987-03-14 1988-09-21 LUCAS INDUSTRIES public limited company Injecteur de combustible
DE19547423B4 (de) 1995-12-19 2008-09-18 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE19820513A1 (de) * 1998-05-08 1999-11-11 Mtu Friedrichshafen Gmbh Kraftstoffeinspritzdüse für eine Brennkraftmaschine
DE19844638A1 (de) * 1998-09-29 2000-03-30 Siemens Ag Kraftstoffeinspritzventil für eine Brennkraftmaschine
DE19931891A1 (de) * 1999-07-08 2001-01-18 Siemens Ag Kraftstoffeinspritzventil für eine Brennkraftmaschine
DE10031264A1 (de) * 2000-06-27 2002-01-17 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02090761A1 *

Also Published As

Publication number Publication date
US7000856B2 (en) 2006-02-21
JP2004519604A (ja) 2004-07-02
EP1387950B1 (fr) 2010-01-13
PL358462A1 (en) 2004-08-09
CN1462342A (zh) 2003-12-17
DE50214168D1 (de) 2010-03-04
JP4157384B2 (ja) 2008-10-01
DE10122503A1 (de) 2002-11-21
US20040056118A1 (en) 2004-03-25
WO2002090761A1 (fr) 2002-11-14

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