EP1498602A3 - Injection nozzle - Google Patents

Injection nozzle Download PDF

Info

Publication number
EP1498602A3
EP1498602A3 EP04254231A EP04254231A EP1498602A3 EP 1498602 A3 EP1498602 A3 EP 1498602A3 EP 04254231 A EP04254231 A EP 04254231A EP 04254231 A EP04254231 A EP 04254231A EP 1498602 A3 EP1498602 A3 EP 1498602A3
Authority
EP
European Patent Office
Prior art keywords
region
seat
cone angle
angle
defining
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
EP04254231A
Other languages
German (de)
French (fr)
Other versions
EP1498602A2 (en
EP1498602B1 (en
Inventor
Malcolm Lambert
Andrew J. Limmer
John W. Stevens
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Priority to EP04254231A priority Critical patent/EP1498602B1/en
Priority to EP08157000A priority patent/EP1967730B1/en
Publication of EP1498602A2 publication Critical patent/EP1498602A2/en
Publication of EP1498602A3 publication Critical patent/EP1498602A3/en
Application granted granted Critical
Publication of EP1498602B1 publication Critical patent/EP1498602B1/en
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
    • 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)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

An injection nozzle for an internal combustion engine, the nozzle comprising: a valve member (30) which is engageable with a seating surface (32), defining a seat cone angle (Ñs), so as to control fuel delivery through a nozzle outlet (36), the valve member (30) including a cylindrical upper region (44), a seat region (46), arranged immediately downstream of the upper region (44), defining a first cone angle (Ñ1), wherein the upper region (44) and the seat region (46) define, at their intersection, a seating line (40) for engagement with the seating surface (32), a second region (48), arranged immediately downstream of the seat region (46), defining a second cone angle (Ñ2), and an end conical region (50), arranged immediately downstream of the second region (48), wherein a first differential angle between the first cone angle (Ñ1) and the seat cone angle (Ñs) is smaller than a second differential angle between the second cone angle (Ñ2) and the seat cone angle (Ñs), said first differential angle being selected to ensure the seating line (40) migrates in a downstream direction along the seat region (46) as the valve member (30) becomes worn, in use, and the second differential angle being selected to prevent said migration of the seating line (40) beyond a pre-determined amount.
EP04254231A 2003-07-15 2004-07-15 Injection nozzle Expired - Lifetime EP1498602B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04254231A EP1498602B1 (en) 2003-07-15 2004-07-15 Injection nozzle
EP08157000A EP1967730B1 (en) 2003-07-15 2004-07-15 Injection nozzle

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03254661 2003-07-15
EP03254661 2003-07-15
EP04254231A EP1498602B1 (en) 2003-07-15 2004-07-15 Injection nozzle

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP08157000A Division EP1967730B1 (en) 2003-07-15 2004-07-15 Injection nozzle

Publications (3)

Publication Number Publication Date
EP1498602A2 EP1498602A2 (en) 2005-01-19
EP1498602A3 true EP1498602A3 (en) 2005-05-04
EP1498602B1 EP1498602B1 (en) 2008-07-09

Family

ID=34924194

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08157000A Expired - Lifetime EP1967730B1 (en) 2003-07-15 2004-07-15 Injection nozzle
EP04254231A Expired - Lifetime EP1498602B1 (en) 2003-07-15 2004-07-15 Injection nozzle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08157000A Expired - Lifetime EP1967730B1 (en) 2003-07-15 2004-07-15 Injection nozzle

Country Status (3)

Country Link
EP (2) EP1967730B1 (en)
AT (2) ATE400736T1 (en)
DE (2) DE602004014854D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970029982A (en) * 1995-11-07 1997-06-26 윤종용 Black matrix for fluorescent tube of color, fluorescent film and manufacturing method thereof
CN114483403B (en) * 2022-01-24 2023-02-24 宁波兴马油嘴油泵有限公司 Oil nozzle detection method and system, storage medium and intelligent terminal

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980237A (en) * 1975-11-17 1976-09-14 Allis-Chalmers Corporation Differential valve in fuel injection nozzle
US4153205A (en) * 1977-10-19 1979-05-08 Allis-Chalmers Corporation Short seat fuel injection nozzle valve
GB2186632A (en) * 1986-02-18 1987-08-19 Bosch Gmbh Robert Fuel injection nozzle for i.c. engines
EP0283154A1 (en) * 1987-03-14 1988-09-21 LUCAS INDUSTRIES public limited company Fuel injection nozzle
US5033679A (en) * 1987-10-30 1991-07-23 Golev Vladislav I Injector nozzle for a diesel engine
US5890660A (en) * 1994-12-20 1999-04-06 Lucas Industries Public Limited Company Fuel injection nozzle
DE19942370A1 (en) * 1999-09-04 2001-03-22 Bosch Gmbh Robert Injection nozzle for internal combustion engines with an annular groove in the nozzle needle
JP2001107826A (en) * 1999-10-12 2001-04-17 Toyota Motor Corp Fuel injection nozzle for cylinder injection type internal combustion engine
JP2001221135A (en) * 2000-02-09 2001-08-17 Yanmar Diesel Engine Co Ltd Fuel injection nozzle
EP1180596A1 (en) * 2000-07-18 2002-02-20 Delphi Technologies, Inc. Injection nozzle
WO2002036961A1 (en) * 2000-11-02 2002-05-10 Siemens Aktiengesellschaft Injection needle with elastic needle tip
US20020179743A1 (en) * 2000-06-27 2002-12-05 Rainer Haeberer Fuel injection valve for internal combustion engines
US6546914B1 (en) * 1998-09-29 2003-04-15 Siemens Aktiengesellschaft Fuel injection valve for an internal combustion engine

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980237A (en) * 1975-11-17 1976-09-14 Allis-Chalmers Corporation Differential valve in fuel injection nozzle
US4153205A (en) * 1977-10-19 1979-05-08 Allis-Chalmers Corporation Short seat fuel injection nozzle valve
GB2186632A (en) * 1986-02-18 1987-08-19 Bosch Gmbh Robert Fuel injection nozzle for i.c. engines
EP0283154A1 (en) * 1987-03-14 1988-09-21 LUCAS INDUSTRIES public limited company Fuel injection nozzle
US5033679A (en) * 1987-10-30 1991-07-23 Golev Vladislav I Injector nozzle for a diesel engine
US5890660A (en) * 1994-12-20 1999-04-06 Lucas Industries Public Limited Company Fuel injection nozzle
US6546914B1 (en) * 1998-09-29 2003-04-15 Siemens Aktiengesellschaft Fuel injection valve for an internal combustion engine
DE19942370A1 (en) * 1999-09-04 2001-03-22 Bosch Gmbh Robert Injection nozzle for internal combustion engines with an annular groove in the nozzle needle
JP2001107826A (en) * 1999-10-12 2001-04-17 Toyota Motor Corp Fuel injection nozzle for cylinder injection type internal combustion engine
JP2001221135A (en) * 2000-02-09 2001-08-17 Yanmar Diesel Engine Co Ltd Fuel injection nozzle
US20020179743A1 (en) * 2000-06-27 2002-12-05 Rainer Haeberer Fuel injection valve for internal combustion engines
EP1180596A1 (en) * 2000-07-18 2002-02-20 Delphi Technologies, Inc. Injection nozzle
WO2002036961A1 (en) * 2000-11-02 2002-05-10 Siemens Aktiengesellschaft Injection needle with elastic needle tip

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 21 3 August 2001 (2001-08-03) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 25 12 April 2001 (2001-04-12) *

Also Published As

Publication number Publication date
DE602004024835D1 (en) 2010-02-04
EP1498602A2 (en) 2005-01-19
ATE400736T1 (en) 2008-07-15
ATE453048T1 (en) 2010-01-15
EP1498602B1 (en) 2008-07-09
EP1967730B1 (en) 2009-12-23
DE602004014854D1 (en) 2008-08-21
EP1967730A1 (en) 2008-09-10

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