EP1847777A3 - Glow plug with integrated pressure sensor - Google Patents

Glow plug with integrated pressure sensor Download PDF

Info

Publication number
EP1847777A3
EP1847777A3 EP07450039A EP07450039A EP1847777A3 EP 1847777 A3 EP1847777 A3 EP 1847777A3 EP 07450039 A EP07450039 A EP 07450039A EP 07450039 A EP07450039 A EP 07450039A EP 1847777 A3 EP1847777 A3 EP 1847777A3
Authority
EP
European Patent Office
Prior art keywords
pressure sensor
glow plug
combustion chamber
integrated pressure
filament
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
EP07450039A
Other languages
German (de)
French (fr)
Other versions
EP1847777B1 (en
EP1847777A2 (en
Inventor
Alexander Schricker
Alexander Friedl
Michael Hirschler
Dietmar KRÖGER
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.)
Piezocryst Advanced Sensorics GmbH
Original Assignee
Piezocryst Advanced Sensorics 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 Piezocryst Advanced Sensorics GmbH filed Critical Piezocryst Advanced Sensorics GmbH
Publication of EP1847777A2 publication Critical patent/EP1847777A2/en
Publication of EP1847777A3 publication Critical patent/EP1847777A3/en
Application granted granted Critical
Publication of EP1847777B1 publication Critical patent/EP1847777B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
    • F23Q7/001—Glowing plugs for internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
    • F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
    • F02P19/028—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs the glow plug being combined with or used as a sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
    • F23Q7/001—Glowing plugs for internal-combustion engines
    • F23Q2007/002—Glowing plugs for internal-combustion engines with sensing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

Die Erfindung betrifft eine Glühkerze (1) mit integriertem Drucksensor (2) für die Messung des Druckes im Brennraum (3) einer Brennkraftmaschine, wobei das Gehäuse (6) der Glühkerze (1) anschließend an einen Dichtkonus (7), einen eine Glühwendel (8) aufnehmenden, brennraumseitigen Bereich (9) mit reduziertem Durchmesser aufweist, welcher in einer in den Brennraum (3) ragenden Spitze (10) endet und wobei der Drucksensor (2a, 2b, 2c) ungekühlt im brennraumseitigen Bereich (9) der Glühkerze (1) angeordnet ist. Erfindungsgemäß wird der Drucksensor (2a, 2b, 2c) in radialer Richtung mit Druck beaufschlagt, wobei die Glühwendel (8) der Glühkerze (1) oder deren elektrische Anschlussleitung am Drucksensor (2a) vorbei oder durch den Drucksensor (2b, 2c) hindurch zur Spitze (10) der Glühkerze (1) geführt ist.

Figure imgaf001
The invention relates to a glow plug (1) with integrated pressure sensor (2) for measuring the pressure in the combustion chamber (3) of an internal combustion engine, the housing (6) of the glow plug (1) following a sealing cone (7), a filament ( 8) receiving, the combustion chamber side region (9) having a reduced diameter, which ends in a combustion chamber (3) projecting tip (10) and wherein the pressure sensor (2a, 2b, 2c) uncooled in the combustion chamber side region (9) of the glow plug ( 1) is arranged. According to the invention, the pressure sensor (2a, 2b, 2c) is pressurized in the radial direction, the filament (8) of the glow plug (1) or its electrical connection line past the pressure sensor (2a) or through the pressure sensor (2b, 2c) Tip (10) of the glow plug (1) is guided.
Figure imgaf001
EP07450039A 2006-04-20 2007-03-01 Glow plug with integrated pressure sensor Not-in-force EP1847777B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0067106A AT503662B1 (en) 2006-04-20 2006-04-20 GLOW PLUG WITH INTEGRATED PRESSURE SENSOR

Publications (3)

Publication Number Publication Date
EP1847777A2 EP1847777A2 (en) 2007-10-24
EP1847777A3 true EP1847777A3 (en) 2008-05-28
EP1847777B1 EP1847777B1 (en) 2011-05-25

Family

ID=38255351

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07450039A Not-in-force EP1847777B1 (en) 2006-04-20 2007-03-01 Glow plug with integrated pressure sensor

Country Status (3)

Country Link
US (1) US7350494B2 (en)
EP (1) EP1847777B1 (en)
AT (2) AT503662B1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004011098A1 (en) * 2004-03-06 2005-09-22 Robert Bosch Gmbh Device for detecting the combustion chamber pressure in an internal combustion engine
DE102004045383A1 (en) * 2004-09-18 2006-03-23 Robert Bosch Gmbh Glow plug with combustion chamber pressure sensor
DE102006008639A1 (en) * 2005-12-23 2007-06-28 Robert Bosch Gmbh Glowplug for engine pressure measurement has pre-stressing sleeve indirectly connected to heating element on one side and fixing element on other
JP2007309916A (en) * 2006-04-20 2007-11-29 Denso Corp Combustion pressure sensor
DE102006057627A1 (en) * 2006-12-05 2008-06-12 Robert Bosch Gmbh Pressure measuring device
DE102007012060A1 (en) * 2007-03-13 2008-09-18 Robert Bosch Gmbh Sensor arrangement for pressure measurement
DE102008017110B3 (en) * 2008-04-02 2009-09-10 Beru Ag pressure measuring glow
DE102008020510B4 (en) * 2008-04-23 2010-02-11 Beru Ag Apparatus and method for determining the combustion chamber pressure
US20100078421A1 (en) * 2008-10-01 2010-04-01 Federal-Mogul Italy Sr1 Glow plug adn heater assembly therefor with an improved connection between a central electrode and a heater probe of the heater assembly
AT507198B1 (en) * 2008-11-04 2010-03-15 Piezocryst Advanced Sensorics POWER MEASURING RING WITH A RINGED HOUSING
DE102010037476B4 (en) * 2010-09-10 2012-04-26 Borgwarner Beru Systems Gmbh pressure monitor
US8857249B2 (en) 2011-08-22 2014-10-14 BorgWarner BERU Systems, GmbH Dual diaphragm combustion pressure measuring device
JP6302715B2 (en) * 2014-03-26 2018-03-28 日本特殊陶業株式会社 Diesel engine control apparatus and method
JP6320209B2 (en) * 2014-07-15 2018-05-09 日本特殊陶業株式会社 Diesel engine control device and control method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064549A (en) * 1976-08-31 1977-12-20 Metrolology General Corporation Cylindrical capacitive quartz transducer
EP0548043A2 (en) * 1991-12-16 1993-06-23 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Pressure sensor
EP1096141A2 (en) * 1999-10-28 2001-05-02 Denso Corporation Glow Plug having a combustion pressure sensor
EP1557654A2 (en) * 2004-01-20 2005-07-27 Beru AG Glow plug connector
JP2005344943A (en) * 2004-05-31 2005-12-15 Toyota Central Res & Dev Lab Inc Glow plug
US20070023412A1 (en) * 2005-07-28 2007-02-01 Wlodarczyk Marek T Glow plug integrated pressure sensor with filter trap

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402116B (en) * 1994-12-19 1997-02-25 Avl Verbrennungskraft Messtech SPARK PLUG WITH A FORCE MEASUREMENT ELEMENT FOR MEASURING THE PRESSURE AT THE SPARK PLUG
AT407577B (en) * 1999-08-05 2001-04-25 Avl List Gmbh SPARK PLUG WITH A PRESSURE MEASURING DEVICE
AU2003252446A1 (en) * 2002-08-09 2004-02-25 Bosch Automotive Systems Corporation Pressure sensor, method of producing the sensor, and in-cylinder pressure detection structure of internal combustion engine
DE10346330B4 (en) * 2003-10-06 2005-09-22 Beru Ag Pressure measuring glow plug for a diesel engine
US20050098136A1 (en) * 2003-11-10 2005-05-12 Visteon Global Technologies, Inc. Architecture to integrate ionization detection electronics into and near a diesel glow plug
DE102004012673A1 (en) * 2004-03-16 2005-10-06 Robert Bosch Gmbh Glow plug with elastically mounted glow plug
DE102004047143A1 (en) * 2004-09-29 2006-04-06 Robert Bosch Gmbh Piezoelectric combustion chamber pressure sensor with a pressure transfer pin
EP1856497B1 (en) * 2005-02-24 2014-08-20 Kistler Holding AG Component for piezoelectric force or pressure sensors, held together by an electrically insulating film

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064549A (en) * 1976-08-31 1977-12-20 Metrolology General Corporation Cylindrical capacitive quartz transducer
EP0548043A2 (en) * 1991-12-16 1993-06-23 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Pressure sensor
EP1096141A2 (en) * 1999-10-28 2001-05-02 Denso Corporation Glow Plug having a combustion pressure sensor
EP1557654A2 (en) * 2004-01-20 2005-07-27 Beru AG Glow plug connector
JP2005344943A (en) * 2004-05-31 2005-12-15 Toyota Central Res & Dev Lab Inc Glow plug
US20070023412A1 (en) * 2005-07-28 2007-02-01 Wlodarczyk Marek T Glow plug integrated pressure sensor with filter trap

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2006, no. 04 *

Also Published As

Publication number Publication date
AT503662B1 (en) 2007-12-15
US20070245805A1 (en) 2007-10-25
ATE511064T1 (en) 2011-06-15
EP1847777B1 (en) 2011-05-25
US7350494B2 (en) 2008-04-01
EP1847777A2 (en) 2007-10-24
AT503662A4 (en) 2007-12-15

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