WO1997020136A1 - Codage a barres des donnees de rendement d'un injecteur - Google Patents

Codage a barres des donnees de rendement d'un injecteur Download PDF

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Publication number
WO1997020136A1
WO1997020136A1 PCT/US1996/018478 US9618478W WO9720136A1 WO 1997020136 A1 WO1997020136 A1 WO 1997020136A1 US 9618478 W US9618478 W US 9618478W WO 9720136 A1 WO9720136 A1 WO 9720136A1
Authority
WO
WIPO (PCT)
Prior art keywords
technical data
fuel injector
injector
recalling
data specifications
Prior art date
Application number
PCT/US1996/018478
Other languages
English (en)
Inventor
Richard Barron
Original Assignee
Siemens Automotive Corporation
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 Siemens Automotive Corporation filed Critical Siemens Automotive Corporation
Priority to EP96941384A priority Critical patent/EP0864038A1/fr
Priority to KR1019980703927A priority patent/KR19990071651A/ko
Priority to BR9611621A priority patent/BR9611621A/pt
Priority to JP9520537A priority patent/JP2000501155A/ja
Publication of WO1997020136A1 publication Critical patent/WO1997020136A1/fr

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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2432—Methods of calibration
    • F02D41/2435—Methods of calibration characterised by the writing medium, e.g. bar code
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2464—Characteristics of actuators
    • F02D41/2467—Characteristics of actuators for injectors
    • 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

Definitions

  • This invention relates generally to electrically operated valves, such as fuel injectors for injecting liquid fuel into an internal combustion engine, and particularly to a method for using fuel injectors to improve automobile emissions.
  • the movement of certain electrically-operated valves comprises a needle that is reciprocated axially within the interior of the valve's body in response to electrical energization and de-energization of an electro-mechanical actuator to thereby selectively open and close a flow path through the valve.
  • Fuel injectors typically contain a solenoid assembly that includes an electromagnetic coil which, when energized, is operative to effect axial movement of an armature.
  • a solenoid valve comprises an armature movable between a first and second position for causing a needle valve to contact and separate from a valve seat.
  • the basic solenoid design includes a coil, a stationary ferromagnetic pole, and the movable ferromagnetic armature. The armature is kept separated from the pole by a force such as gravity, spring, or pressure.
  • Manufacturers of gasoline engines specify in the product engineering specifications the static and dynamic flow rates of a fuel injector. This specification has applied limits typically of + /-3.2% for static flow and + /-3% for dynamic flow.
  • fuel injectors are tested 100% for these characteristics and those falling outside these limits are discarded. Those inside the limits fit a normal statistical distribution typically displayed as a histogram. When the injector is assembled into an engine the performance of the injector may be from different ends of the statistical distribution although still within the overall specification, this can create variables in emissions of the vehicle. This mixture of rich and lean injectors directly affects the emissions.
  • the invention comprises the implementation of a symbology feature onto a fuel injector
  • Principles of the invention are of course potentially applicable to forms of fuel injectors other than the one specifically herein illustrated and described and can be accomplished by a variety of data retention and recall means.
  • a method for retaining and recalling technical data associated with a solenoid operated fuel injector comprises the steps of testing technical data associated with the fuel injector and transferring the technical data results to the injector. The injector is then scanned to inform a vehicle computer of the technical specifications of the injector. Variations between injectors can be adjusted for to improve engine emissions.
  • Fig. 1 is a cross section view of a typical fuel injector, having a technical data bar code provided on exterior of the injector in accordance with the present invention
  • Figs. 2A and 2B illustrate two embodiments of the bar coding on the injector of Fig. 1 .
  • a typical fuel injector 10 designed to inject fuel into an internal combustion engine.
  • the fuel injector 1 0 includes as its major components thereof a housing 1 2 of magnetically permeable material and an overmold housing 14; an inlet connector 1 6 in the form of a tube also of magnetically permeable material; an outlet end 1 8; an adjusting tube 20; a spring 22; an armature 24; a solenoid coil assembly 26, comprising a bobbin 28 and a wire 30; electrical terminals 32 via which the fuel injector is connected with an electrical operating circuit for selectively energizing the solenoid coil; and a valve body assembly 34.
  • the armature 24 is movable between a first and second position for causing a needle valve, or guide pin, 36 to contact and separate from a valve seat 38, as the pin 36 moves within guide 40.
  • the injector is of the type which is commonly referred to as a top-feed type, wherein fuel is introduced through inlet connector 1 6 and emitted as injections from the axially opposite nozzle, or tip, end 1 8.
  • Figs. 2A and 2B there are illustrated two embodiments of data retention according to the present invention, in the form of a linear bar code and a two-dimensional bar code, respectively.
  • the amount of data a linear bar code 42 such as is shown in Fig. 2A, can contain is limited to a few bytes.
  • two-dimensional (2D) symbologies 44 such as is illustrated in Fig. 2B, have been developed, which contain information along two axes, not just one.
  • the present invention addresses a method to keep technical test results of an injector, such as static flow, dynamic flow, leak and opening time, with the injector.
  • the data is preferably carried on the injector in symbology form, such as a bar code.
  • the bar code is preferably located on the exterior surface of the injector, such as at location 46, and is cut into the overmold housing 1 4 of the injector.
  • the data can then be downloaded to any existing vehicle computer system.
  • the computer system software is then adjusted to improve emissions.
  • a data marking means such as a laser marking system, may be used to transfer the technical data results and specifications onto the injector, preferably in a scannable form, such as a bar code.
  • the laser cuts the nylon molded surface of the overmold housing, resulting in a series of markings, such as white lines, that are readable with an appropriate scanner.
  • An engine manufacturer can then scan each injector at assembly, thereby informing the automobile computer of the technical specifications of each injector.
  • Associated software then "adjusts” or “offsets” given parameters to accommodate injector specification variations, thereby presenting all injectors as identical to the engine.
  • the present invention therefore, provides for a method of data retention and recall, and an "adjust" or “offset” means for collapsing the variability of multiple injectors to a single, centered, injector flow.
  • the injector manufacturing process can have an injector laser marking station to accommodate multiple digits of information. As will be obvious to those skilled in the art, this process is applicable to all fuel injectors.

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

Cette invention concerne un procédé de stockage et de restitution de données techniques associées à un injecteur à valve électromagnétique (10), qui permet d'améliorer les émissions d'un moteur. On soumet chaque injecteur à un essai de façon à obtenir des spécifications de données techniques relatives audit injecteur. On transfert (46) ensuite les spécifications de données techniques à l'injecteur (10), par exemple en utilisant un marquage au laser permettant de marquer l'injecteur d'un code à barre (44) contenant ces spécifications de données techniques. Il est ensuite possible de lire ces spécifications de données techniques stockées sur l'injecteur en utilisant un explorateur. On transmet ensuite ces spécifications de données techniques restituées à un ordinateur du véhicule. Ce dernier corrige les variations existant entre les injecteurs de manière à réduire la variabilité du flux des injecteurs jusqu'à l'obtention d'un flux unique et centré.
PCT/US1996/018478 1995-11-27 1996-11-18 Codage a barres des donnees de rendement d'un injecteur WO1997020136A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP96941384A EP0864038A1 (fr) 1995-11-27 1996-11-18 Codage a barres des donnees de rendement d'un injecteur
KR1019980703927A KR19990071651A (ko) 1995-11-27 1996-11-18 연료주입기의 성능 데이터용 바코딩
BR9611621A BR9611621A (pt) 1995-11-27 1996-11-18 Codificação de barras para dados sobre atuação do injetor de combustivel
JP9520537A JP2000501155A (ja) 1995-11-27 1996-11-18 燃料噴射器性能データ用バーコード

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56315195A 1995-11-27 1995-11-27
US08/563,151 1995-11-27

Publications (1)

Publication Number Publication Date
WO1997020136A1 true WO1997020136A1 (fr) 1997-06-05

Family

ID=24249312

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/018478 WO1997020136A1 (fr) 1995-11-27 1996-11-18 Codage a barres des donnees de rendement d'un injecteur

Country Status (5)

Country Link
EP (1) EP0864038A1 (fr)
JP (1) JP2000501155A (fr)
KR (1) KR19990071651A (fr)
BR (1) BR9611621A (fr)
WO (1) WO1997020136A1 (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000019090A1 (fr) * 1998-09-28 2000-04-06 Caterpillar Inc. Methode de reglage de systemes d'alimentation par injection a commande hydraulique fondee sur une regulation electronique
EP1026384A1 (fr) * 1999-02-01 2000-08-09 Denso Corporation Système d'injection de carburant à plusieurs injecteurs
EP1143133A1 (fr) * 2000-04-01 2001-10-10 Robert Bosch GmbH Compensation des variations entre lots du déplacement d'éléments piézoélectriques multicouches dû aux variations de l'épaisseur des couches ou du nombre de couches
WO2002044543A2 (fr) * 2000-11-28 2002-06-06 Bombardier Motor Corporation Of America Procede et dispositif d'identification des parametres d'un moteur pour l'assemblage et la programmation
DE10102193A1 (de) * 2001-01-16 2002-07-18 Volkswagen Ag Verfahren zum Aufbringen einer identifikationsnummer
EP0915255A3 (fr) * 1997-11-04 2002-07-24 Caterpillar Inc. Procédé de fonctionnement d'un injecteur de combustible
FR2852061A1 (fr) * 2003-03-05 2004-09-10 Denso Corp Procede d'assemblage de composants pour un actionneur
GB2425571A (en) * 2005-04-21 2006-11-01 Denso Corp Fuel injection valve connector cover displaying valve operating data
WO2007045550A1 (fr) * 2005-10-21 2007-04-26 Robert Bosch Gmbh Soupape d'injection de carburant et procede pour identifier des soupapes d'injection de carburant
US7359792B2 (en) 2005-12-15 2008-04-15 Denso Corporation Method and apparatus for initializing injectors
FR2920828A3 (fr) * 2007-09-06 2009-03-13 Renault Sas Procede et dispositif de memorisation des caracteristiques fonctionnelles d'un turbocompresseur
FR2920827A3 (fr) * 2007-09-06 2009-03-13 Renault Sas Procede et dispositif pour l'apprentissage de la permeabilite minimale de turbocompresseurs
US8128860B2 (en) 2001-03-26 2012-03-06 Machine Solutions, Inc. Balloon folding technology
DE10211355B4 (de) * 2001-03-15 2017-08-31 Denso Corporation Brennkraftmaschine und Herstellungsverfahren davon
WO2019126852A1 (fr) * 2017-12-27 2019-07-04 Robert Bosch Limitada Agencement de construction introduit dans une pompe à carburant
EP3536945A1 (fr) * 2018-03-08 2019-09-11 Delphi Technologies IP Limited Injecteur de carburant et procédé d'orientation de sa sortie

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7128281B2 (en) * 2004-06-03 2006-10-31 Siemens Vdo Automotive Corporation Modular fuel injector with a damper member and method of reducing noise
US11352973B2 (en) 2019-04-04 2022-06-07 Caterpillar Inc. Machine system and operating strategy using auto-population of trim files

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JPS59175751A (ja) * 1983-03-26 1984-10-04 Mitsubishi Electric Corp 樹脂封止形半導体装置
JPH02170016A (ja) * 1988-12-23 1990-06-29 Hitachi Ltd 熱線式空気流量計
US4972293A (en) * 1989-07-31 1990-11-20 Allied-Signal Inc. Coded electromagnetic device and system therefor
JPH03262086A (ja) * 1990-03-13 1991-11-21 Citizen Watch Co Ltd バーコードスキャナー
JPH07238857A (ja) * 1994-02-25 1995-09-12 Hino Motors Ltd 燃料噴射装置
DE19520037A1 (de) * 1994-05-31 1995-12-07 Caterpillar Inc Verfahren und Struktur zum Steuern einer Vorrichtung, wie beispielsweise einer Brennstoffeinspritzvorrichtung unter Verwendung elektronischer Trimmung

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Publication number Priority date Publication date Assignee Title
JPS59175751A (ja) * 1983-03-26 1984-10-04 Mitsubishi Electric Corp 樹脂封止形半導体装置
JPH02170016A (ja) * 1988-12-23 1990-06-29 Hitachi Ltd 熱線式空気流量計
US4972293A (en) * 1989-07-31 1990-11-20 Allied-Signal Inc. Coded electromagnetic device and system therefor
JPH03262086A (ja) * 1990-03-13 1991-11-21 Citizen Watch Co Ltd バーコードスキャナー
JPH07238857A (ja) * 1994-02-25 1995-09-12 Hino Motors Ltd 燃料噴射装置
DE19520037A1 (de) * 1994-05-31 1995-12-07 Caterpillar Inc Verfahren und Struktur zum Steuern einer Vorrichtung, wie beispielsweise einer Brennstoffeinspritzvorrichtung unter Verwendung elektronischer Trimmung

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Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0915255A3 (fr) * 1997-11-04 2002-07-24 Caterpillar Inc. Procédé de fonctionnement d'un injecteur de combustible
US6112720A (en) * 1998-09-28 2000-09-05 Caterpillar Inc. Method of tuning hydraulically-actuated fuel injection systems based on electronic trim
WO2000019090A1 (fr) * 1998-09-28 2000-04-06 Caterpillar Inc. Methode de reglage de systemes d'alimentation par injection a commande hydraulique fondee sur une regulation electronique
EP1026384A1 (fr) * 1999-02-01 2000-08-09 Denso Corporation Système d'injection de carburant à plusieurs injecteurs
EP1143133A1 (fr) * 2000-04-01 2001-10-10 Robert Bosch GmbH Compensation des variations entre lots du déplacement d'éléments piézoélectriques multicouches dû aux variations de l'épaisseur des couches ou du nombre de couches
US6982516B2 (en) 2000-04-01 2006-01-03 Robert Bosch Gmbh Compensation of batch variation in the travel due to variations in the layer thickness or number of layers in multi-layer piezoelectric elements
US7136743B2 (en) 2000-11-28 2006-11-14 Brp Us Inc. Method and apparatus for identifying parameters of an engine component for assembly and programming
US6671611B1 (en) 2000-11-28 2003-12-30 Bombardier Motor Corporation Of America Method and apparatus for identifying parameters of an engine component for assembly and programming
WO2002044543A3 (fr) * 2000-11-28 2002-08-22 Bombardier Motor Corp Of Us Procede et dispositif d'identification des parametres d'un moteur pour l'assemblage et la programmation
WO2002044543A2 (fr) * 2000-11-28 2002-06-06 Bombardier Motor Corporation Of America Procede et dispositif d'identification des parametres d'un moteur pour l'assemblage et la programmation
DE10102193A1 (de) * 2001-01-16 2002-07-18 Volkswagen Ag Verfahren zum Aufbringen einer identifikationsnummer
DE10211355B4 (de) * 2001-03-15 2017-08-31 Denso Corporation Brennkraftmaschine und Herstellungsverfahren davon
US8128860B2 (en) 2001-03-26 2012-03-06 Machine Solutions, Inc. Balloon folding technology
FR2852061A1 (fr) * 2003-03-05 2004-09-10 Denso Corp Procede d'assemblage de composants pour un actionneur
US7162355B2 (en) 2003-03-05 2007-01-09 Denso Corporation Constituent parts assembling method for an actuating apparatus
GB2425571A (en) * 2005-04-21 2006-11-01 Denso Corp Fuel injection valve connector cover displaying valve operating data
GB2425571B (en) * 2005-04-21 2009-07-22 Denso Corp Top-return-type engine fuel Injection valve, assembling method thereof and cover thereof
WO2007045550A1 (fr) * 2005-10-21 2007-04-26 Robert Bosch Gmbh Soupape d'injection de carburant et procede pour identifier des soupapes d'injection de carburant
US7359792B2 (en) 2005-12-15 2008-04-15 Denso Corporation Method and apparatus for initializing injectors
DE102006000528B4 (de) * 2005-12-15 2012-04-26 Denso Corporation Verfahren und Gerät zum Initialisieren von Einspritzvorrichtungen
FR2920828A3 (fr) * 2007-09-06 2009-03-13 Renault Sas Procede et dispositif de memorisation des caracteristiques fonctionnelles d'un turbocompresseur
FR2920827A3 (fr) * 2007-09-06 2009-03-13 Renault Sas Procede et dispositif pour l'apprentissage de la permeabilite minimale de turbocompresseurs
WO2019126852A1 (fr) * 2017-12-27 2019-07-04 Robert Bosch Limitada Agencement de construction introduit dans une pompe à carburant
EP3536945A1 (fr) * 2018-03-08 2019-09-11 Delphi Technologies IP Limited Injecteur de carburant et procédé d'orientation de sa sortie
US20190277234A1 (en) * 2018-03-08 2019-09-12 Delphi Technologies Ip Limited Fuel injector and method of orienting an outlet of the same
CN110242465A (zh) * 2018-03-08 2019-09-17 德尔福技术知识产权有限公司 燃料喷射器及其出口定向方法

Also Published As

Publication number Publication date
KR19990071651A (ko) 1999-09-27
JP2000501155A (ja) 2000-02-02
EP0864038A1 (fr) 1998-09-16
BR9611621A (pt) 1999-04-06

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