WO2006120049A1 - Bougie crayon de prechauffage comprenant un capteur de pression de chambre de combustion - Google Patents

Bougie crayon de prechauffage comprenant un capteur de pression de chambre de combustion Download PDF

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Publication number
WO2006120049A1
WO2006120049A1 PCT/EP2006/060579 EP2006060579W WO2006120049A1 WO 2006120049 A1 WO2006120049 A1 WO 2006120049A1 EP 2006060579 W EP2006060579 W EP 2006060579W WO 2006120049 A1 WO2006120049 A1 WO 2006120049A1
Authority
WO
WIPO (PCT)
Prior art keywords
plug
glow plug
housing
force
combustion chamber
Prior art date
Application number
PCT/EP2006/060579
Other languages
German (de)
English (en)
Inventor
Peter Boehland
Sebastian Kanne
Tobias Reiser
Godehard Nentwig
Michael Bauer
Markus Jungemann
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
Priority to EP06724988A priority Critical patent/EP1882170A1/fr
Priority to JP2008510524A priority patent/JP2008541075A/ja
Priority to US11/920,017 priority patent/US20080264373A1/en
Publication of WO2006120049A1 publication Critical patent/WO2006120049A1/fr

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing 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

Definitions

  • the invention relates to a glow plug with integrated combustion chamber pressure sensor.
  • Such glow plugs are used in particular in self-igniting internal combustion engines for measuring a combustion chamber pressure.
  • combustion-based control system In the course of the constant tightening of the statutory exhaust gas regulations, in particular for diesel engines, the requirements for a reduced pollutant emission of self-igniting internal combustion engines are tightening. Modern engine management systems should ensure low fuel consumption in addition to low pollutant emissions and at the same time have a long service life.
  • a combustion optimization in the combustion chamber of a diesel engine can be achieved in particular by the use of a regulated injection of fuel.
  • this controlled injection can be controlled by electronic engine control devices which have already been established in modern motor vehicles.
  • the successful execution of a combustion chamber pressure signal-based engine control (combustion-based control system, CSC), however, depends on the availability of production-suitable pressure sensors, which must meet high requirements in terms of price, reliability, accuracy and space.
  • DE 196 80 912 C2 discloses an apparatus and method for detecting cylinder pressure in a diesel engine.
  • the device comprises a pressure sensor, a heating portion of a glow plug, which is accommodated in the interior of a cylinder of the diesel engine and can be acted upon by the cylinder pressure, and a fixing member for fixing the heating portion in a body of the glow plug.
  • the pressure sensor is arranged between the heating section and the fixing element of the glow plug. The cylinder pressure is transmitted to the pressure sensor via the heating section.
  • the device disclosed in DE 196 80 912 C2 has numerous disadvantages in practice.
  • the housing of the glow plug is substantially fixedly connected to the cylinder head, while the heating section initiates the force and thereby performs a - albeit relatively small - relative movement relative to the housing.
  • this in turn can lead to friction and thus to a signal corruption of the combustion chamber pressure signal, especially since there is also the risk of carbon fouling of the guide between the fixed (that is firmly connected to the cylinder head) and the moving part of the glow plug.
  • Another disadvantage of the disclosed in DE 196 80 912 C2 device is that different dimensions of housing and force-transmitting components occur.
  • the proposed glow plug according to the invention for a self-igniting internal combustion engine has a radiator, a plug housing and a plug axis.
  • a basic idea of the invention is that a solid and preferably completely gastight connection of the plug housing and the radiator is produced.
  • the functionality of the combustion chamber pressure sensor is achieved by compliance of the plug housing in the region between its combustion chamber end and its screw in the cylinder head.
  • the glow plug according to the invention has a receiving area for receiving the radiator and a housing body and at least one arranged between the housing body and the receiving area flexibility range.
  • the flexibility region is preferably configured such that it in turn has at least one region in which the plug housing has a lower rigidity parallel to the plug axis than in the region of the housing body.
  • At least one force measuring element is provided in the plug housing, in particular a force measuring element which can generate an electrical signal as a function of a force exerted on the at least one force measuring element.
  • the at least one force measuring element is received in the housing body.
  • the pressure prevailing in the combustion chamber pressure must be transmitted as force to the at least one force measuring element.
  • This power transmission can for example be done directly from the radiator to the at least one force measuring element or indirectly, for example via the plug housing or sections of the plug housing.
  • the glow plug according to the invention for the purpose of pressure transmission and at least one separate power transmission element for transmitting the combustion chamber pressure on the at least one force measuring element, in particular for transmitting a force from the radiator to the at least one force measuring element.
  • this at least one separate force transmission element can be a pressure rod, preferably a substantially cylindrical pressure rod, and / or a pressure sleeve, preferably a substantially cylindrical sleeve-shaped pressure sleeve.
  • essentially means that even a slight deviation from a cylindrical shape or cylinder sleeve shape is possible, for example, a slightly conical shape, which is adapted, for example, the shape of the glow plug or an interior of the glow plug projects into the combustion chamber of the internal combustion engine and is there on a pressure surface, for example, an end face, acted upon by a pressure corresponding to the combustion chamber pressure. This pressure is converted by the radiator into a force which is transmitted from the radiator to the glow plug.
  • the at least one power transmission element in turn transmits this force directly or indirectly (ie with or without additional intermediate elements) from the radiator to the at least one force measuring element, where this force is converted into an electrical signal, which in turn read from a corresponding electronics and, for example, a motor control to Can be made available. In this way, current information about the combustion chamber pressure can be generated.
  • the at least one flexibility range can be configured in different ways. Its function is essentially that when the heating element is acted upon by a pressure through the combustion chamber pressure, the entire front, that is to say the combustion chamber, is pressurized. H. the combustion chamber of the internal combustion engine facing part of the glow plug, which comprises the receiving area and the radiator, can move along the plug axis and thus act on the at least one force transmission element accordingly with a force and thus with a bias. By contrast, the housing body is not or only slightly stretched and remains substantially rigid during this deflection. Thus, the pressure force, which is introduced via the at least one force transmission element in the glow plug, be detected by the at least one force measuring element.
  • This pressure force differs from the total introduced via the combustion chamber pressure in the glow plug only force by a substantially constant factor, which is dependent on the stiffness of the plug housing in the receiving area and in the region of the flexibility of the plug housing.
  • the rigidity of the at least one force transmission element also enters into this essentially constant factor.
  • the flexibility region has a corrugation or a bellows with at least one fold which is thrown into the interior of the candle housing or outwardly.
  • the at least one flexibility region can also have at least one region with a small wall thickness of the plug housing, in particular a smaller wall thickness than in adjacent regions of the plug housing or less than in the entire remaining plug housing. This configuration in turn also leads to a reduced stiffness of the plug housing parallel to the plug axis in the area of flexibility.
  • an elastic element for example a spring element, in particular a spiral spring or a similar spring element or also an elastic element made of metallic material or a plastic (eg an elastomer), which has a flexibility.
  • an element in particular a material, can also be used with a small modulus of elasticity.
  • a small modulus of elasticity is to be understood as meaning, in particular, a modulus of elasticity which is less than the moduli of elasticity of the surrounding wall regions or of the entire plug housing.
  • the radiator is preferably fixed and pressure-tight in Aufhahme Colour connected to the plug housing, preferably by a press fit.
  • the plug housing in turn is connected to the cylinder head, preferably by a screw.
  • the glow plug preferably additionally has at least one external thread for connecting the glow plug to the cylinder head of the internal combustion engine. This at least one external thread is preferably part of the housing body of the glow plug.
  • the at least one flexibility region is arranged, for example, in the form of a metal bellows, in which the plug housing has the lowest possible rigidity parallel to the plug axis.
  • the at least one force transmission element is preferably supported as far forward as possible towards the combustion chamber on the plug housing or even directly on the radiator. At its opposite end, the at least one force transmission element is supported directly or indirectly on the at least one force measuring element, so that, as described above, a force from the at least one radiator on the at least one force measuring element is transferable.
  • the plug housing is preferably loaded in tension, and the at least one force transmission element is loaded under pressure. This load (pretension) can be effected, for example, by means of a screw connection or caulking of the at least one force-measuring element in the plug housing, preferably in the housing body.
  • An advantage of the flexibility range according to the invention is that different thermal expansions of the plug housing and of the at least one force transmission element are compensated by the resilience of the housing in the region of the at least one flexibility region and thus only a comparatively small variation of the prestressing force exerted on the at least one force measuring element. cause.
  • the connection between the radiator and the plug housing is unloaded in idle mode.
  • the at least one force transmission element is supported at one end directly or indirectly (for example via an intermediate element) on the at least one force-measuring element.
  • the at least one force transmission element may, for example, be supported directly on the radiator or, alternatively or additionally, on the at least one flexibility region.
  • the at least one force transmission element can be supported on a corrugation of the flexibility region directed into the interior of the plug housing.
  • the at least one force-measuring element can also be supported on a region of the plug housing which is arranged between the at least one flexibility region and the at least one heating element.
  • At least one additional supporting element can be used for this, which serves to support the at least one force-transmitting element on the plug housing in the region between the flexibility region and the heating element.
  • it can be used a circular disk, which is peripherally connected to the wall of the plug housing, for example screwed or caulked is.
  • the at least one flexibility region preferably directly adjoins the radiator in the plug housing, or, alternatively or additionally, an intermediate space between the radiator and the flexibility region is additionally filled with a filling material.
  • the filling material may for example be a material of high rigidity and preferably low thermal conductivity.
  • the power supply to the radiator can be done, for example, by a centrally located in the vicinity of the plug axis steel connecting bolt.
  • a centrally located in the vicinity of the plug axis steel connecting bolt can be used, for example, by a centrally located in the vicinity of the plug axis steel connecting bolt.
  • the glow plug according to the invention with integrated combustion chamber pressure sensor has numerous advantages over devices known from the prior art.
  • An essential advantage is the independence of the combustion chamber pressure signal from the operating temperature of the internal combustion engine, which is based on the fact that fluctuations and related different expansions of the materials are optimally balanced.
  • Another advantage is that a nearly constant power transmission function is ensured. This means in particular that in almost all areas of the combustion chamber pressure and thus in almost all operating areas of the internal combustion engine, the combustion chamber pressure is transmitted to the at least one force-measuring element in an identical or similar manner.
  • the force transmission factor with which the electrical signal of the at least one force-measuring element is to be multiplied, in order to deduce the actual combustion chamber pressure from this signal, is thus largely independent of the operating state of the internal combustion engine.
  • the electrical signal of the at least one force-measuring element can thus be used directly or only with little electronic post-processing for a corresponding engine control, for example a combustion chamber pressure signal-based engine control.
  • Figure 1 shows a first embodiment of a glow plug according to the invention with integrated combustion chamber pressure sensor
  • FIG. 2 shows a simulated course of a sensor signal of a force-measuring element in FIG
  • FIG. 3 shows a second exemplary embodiment of a combustion chamber pressure sensor according to the invention.
  • Figure 4 shows a third embodiment of a combustion chamber pressure sensor according to the invention.
  • FIG. 1 shows a first embodiment of a glow plug according to the invention 110 is shown with integrated combustion chamber pressure sensor.
  • the glow plug 110 has a heater 112 and a plug housing 114.
  • the candle housing 114 is in three Subdivided areas: a the combustion chamber facing Aufhahme Suite 116 for receiving the radiator 114, a flexibility region 118 and arranged on the side facing away from the combustion chamber side of the glow plug 110 housing body 120th
  • the radiator 112 is designed in this embodiment as a ceramic heater 112. However, other embodiments of radiators 112 are conceivable.
  • the radiator 112 is acted upon in this embodiment by a steel connecting pin 122 with electrical energy.
  • the steel connection bolt 122 is designed in this embodiment according to Figure 1 as a solid central bolt, rather is guided along a plug axis 124 axially through the plug housing 114.
  • the glow plug 110 has a screw connection 126.
  • the steel connection bolt 122 is led out of the plug housing 114 axially through this screw connection 126 and fed to a corresponding electrical power supply.
  • the plug housing 114 in the housing body 120 has an external thread 128.
  • the glow plug 110 can be screwed into a cylinder head, such that the radiator 112 protrudes into the combustion chamber of the internal combustion engine.
  • the plug housing 114 is provided with a fold 130 in which the plug housing 114 has a constriction inward.
  • this fold 130 acts like a metal bellows of a single fold and gives the plug housing 114 in the flexibility region 118 a lower rigidity parallel to the plug axis 124 than in the housing body 120.
  • the radiator 112 is connected in the Aufhahme Suite 116 in this embodiment by a press fit 132 with the plug housing 114. This results in the receiving area 116, a gas-tight connection, so that it is ensured that combustion chamber gases can not penetrate into the interior of the glow plug 110.
  • the radiator 112 is pressed in the receiving area 116 in the plug housing 114. This creates a gap 134 between the heater 112 and the pleat 130.
  • this gap 134 is kept as small as possible, preferably disappears, or if this gap 134 is filled with a filler of high stiffness and / or low thermal conductivity , In this way, the power transmission, which is described below, further improved, at the same time a transfer of heat from the radiator 112 to other components in the interior of the glow plug 110 is prevented.
  • annular - force measuring element 136 is accommodated in the form of an annular piezoelectric element.
  • the electrical leads of this force measuring ments 136 are not shown in FIG. 1 and may be led out of the plug housing 114, for example axially, for example parallel to the steel connection bolt 122, through the screw connection 126 and fed to a corresponding electrical evaluation electronics.
  • the force-measuring element 136 is surrounded by two spacer sleeves 138, for example spacer sleeves of a cylindrical sleeve-shaped design, in particular spacer sleeves made of a material of high rigidity (eg steel).
  • the combustion chamber side spacer sleeve 138 is introduced from the combustion chamber-remote end of the glow plug 110 ago in the plug housing 114, then the force measuring element 136 and then the second spacer sleeve 138. Subsequently, the plug housing 114 is screwed through the screw 126. As a result, the force measuring element 136 is subjected to a bias voltage.
  • a force transmission element 140 is introduced into the plug housing 114.
  • the force transmission element 140 in this exemplary embodiment has a sleeve-like shape and, like the force-measuring element 136, also encloses the steel connection pin 122 on the circumference.
  • the force transmission element 140 is configured slightly conical in this embodiment and has a slightly smaller outer diameter on the combustion chamber side than on the combustion chamber side facing away.
  • the force transmission element 140 is supported on the combustion chamber side on the fold 130 and on the side facing away from the combustion chamber on the combustion chamber side spacer sleeve 138.
  • the force transmission element 140 is indirectly supported on the force measuring element 136 in this embodiment.
  • the heating element 112 On its side facing the combustion chamber, the heating element 112 has a hydraulic pressure surface 142. About this pressure surface 142 of the combustion chamber pressure in a force F (referred to in Figure 1 by reference numeral 144) is converted to the radiator 112. By the force transmission element 140, this force 144 is transmitted to the force measuring element 136, where it is converted into an electrical signal. From this electrical signal can be deduced on the combustion chamber pressure. However, the force transmission of the force 144 from the radiator 112 to the force measuring element 136 is not complete, but must be multiplied by a factor which is less than 1. Ideally, this transmission factor reaches just 1. The fact that the transmission is not complete , is due to the fact that forces are absorbed by the candle housing 114.
  • the transmission of the force 144 to the force measuring element 136 in the arrangement according to FIG. 1 is shown schematically in FIG. 2 in the form of simulation data.
  • the x-axis which is designated here by ⁇ , the crankshaft position in degrees
  • the left y-axis denotes the combustion chamber pressure p in arbitrary units
  • an operating point at 2000 rpm and an effective mean pressure (PME) of one bar was assumed.
  • the upper curve 210 which refers to the left Y-axis, the course of the combustion chamber pressure.
  • the lower curve 212 which relates to the right Y axis, shows the electrical signal of the force measuring element 136.
  • the sensor signal 212 must be multiplied by a corresponding factor in order to convert this sensor signal 212 to the combustion chamber pressure 210 to be able to conclude. Essentially, material properties and design of the glow plug 110 are included in this factor.
  • FIG. 3 shows a preferred second exemplary embodiment of a glow plug 110 according to the invention.
  • the glow plug 110 has a plug housing 114, which is divided into a receiving area 116, a flexibility area 118 and a housing body 120.
  • a heating body 112 is pressed into the candle housing 114 by a press fit 132.
  • the glow plug 110 in the exemplary embodiment according to FIG. 3 also has a fold 130 in the flexibility region 118.
  • the configuration of this fold 130 is basically comparable to the configuration of the fold 130 in the embodiment according to FIG. 1.
  • a gap 134 is formed between the fold 130 and the heating body 112.
  • the plug housing 114 in turn has an external thread 128 for fastening the glow plug 110 in a cylinder head.
  • the difference between the exemplary embodiment according to FIG. 3 and the exemplary embodiment according to FIG. 1 consists essentially in the configuration of the force-measuring element 136 and the configuration and the mounting of the force-transmitting element 140.
  • the force-transmitting element 140 is configured in the form of a cylindrical disk. which is introduced at the combustion chamber-remote end into the housing body 120. This force is fed and prestressed measuring element 136 in turn by a screw 126. Spacers 138 has been omitted in this exemplary embodiment according to FIG.
  • the force transmission element 140 is not sleeve-shaped but rod-shaped.
  • the force transmission element 140 is introduced along the plug axis 124 into the plug housing 114.
  • the force transmission element 140 is supported on the force measuring element 136 centrally on the combustion chamber side end face.
  • the rod-shaped force transmission element 140 is supported on the wall of the intermediate space 134.
  • an additional, circular disk-shaped support element 310 is introduced into the receiving region 116. This support element 310 may for example be caulked or screwed to the wall of the plug housing 114 in the receiving region 116. Other types of attachment are conceivable.
  • the support member 310 causes a force to be transmitted from the heater body 112 to the force sensing element 136 via the wall of the plug housing 114 in the receiving area 116, via the support element 310, and finally via the rod-shaped force transmission element 140.
  • the advantage of an indirect power transmission from the radiator 112 to the force transmission element 140 via the support element 310 is essentially that no heat is transferred directly from the radiator 112 to the force transmission element 140.
  • Such a heat transfer which would also be transmitted to the force measuring element 136 by the (for example metallic) force transmission element 140, could, for example, lead to temperature fluctuations in the force measuring element 136, which would adversely affect the signal quality.
  • the power supply to the radiator 112 is not shown. Since the region along the plug axis 124 in this exemplary embodiment is substantially filled by the rod-shaped force transmission element 140, there is no room for a steel connection bolt 122 according to the exemplary embodiment in FIG. 1. Instead, a wire-filament feed line is used in the exemplary embodiment according to FIG which is guided by corresponding holes in the support element or corresponding holes or grooves in the wall of the plug housing 114 to the elements 310 and 136 and out through the screw 126 to the outside.
  • FIG. 4 shows a third exemplary embodiment of a glow plug 110 without a separate force transmission element 140.
  • the force 144 is transmitted directly from the radiator 112 to the force measuring element 136. This transmission preferably takes place by means of a side of the radiator 112 facing away from the combustion chamber. Neten cylindrical extension 410 of the radiator 112. Otherwise, the functionality and structure of the glow plug 110 is analogous to the exemplary embodiment according to FIG. 3

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

Abstract

L'invention concerne une bougie crayon de préchauffage (110) destinée à un moteur à combustion à autoallumage, cette bougie comprenant un capteur de pression de chambre de combustion intégré pour mesurer des pressions de la chambre de combustion, en particulier pour une commande moteur basée sur un signal de pression de chambre de combustion. La bougie crayon de préchauffage (110) selon l'invention comprend un élément chauffant (112) et un culot (114), ainsi qu'un axe (124). Le culot (114) de la bougie présente une zone de logement (116) dans laquelle est logé l'élément chauffant (112), un corps (120) et au moins une zone de flexibilité (118) située entre ce corps (120) et cette zone de logement (116). Au moins un élément dynamométrique (136) est placé dans le culot (114) de la bougie.
PCT/EP2006/060579 2005-05-09 2006-03-09 Bougie crayon de prechauffage comprenant un capteur de pression de chambre de combustion WO2006120049A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP06724988A EP1882170A1 (fr) 2005-05-09 2006-03-09 Bougie crayon de prechauffage comprenant un capteur de pression de chambre de combustion
JP2008510524A JP2008541075A (ja) 2005-05-09 2006-03-09 燃焼室圧センサを備えたシース形グロープラグ
US11/920,017 US20080264373A1 (en) 2005-05-09 2006-03-09 Sheathed Element Glow Plug Having a Combustion Chamber Pressure Sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005021229.8 2005-05-09
DE102005021229A DE102005021229A1 (de) 2005-05-09 2005-05-09 Glühstiftkerze mit Brennraumdrucksensor

Publications (1)

Publication Number Publication Date
WO2006120049A1 true WO2006120049A1 (fr) 2006-11-16

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PCT/EP2006/060579 WO2006120049A1 (fr) 2005-05-09 2006-03-09 Bougie crayon de prechauffage comprenant un capteur de pression de chambre de combustion

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Country Link
US (1) US20080264373A1 (fr)
EP (1) EP1882170A1 (fr)
JP (1) JP2008541075A (fr)
DE (1) DE102005021229A1 (fr)
WO (1) WO2006120049A1 (fr)

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FR2884298B1 (fr) * 2005-04-12 2007-08-10 Siemens Vdo Automotive Sas Bougie de prechauffage a capteur de pression integre
DE102006008639A1 (de) * 2005-12-23 2007-06-28 Robert Bosch Gmbh Glühstiftkerze
JP2008002809A (ja) * 2006-06-20 2008-01-10 Denso Corp 燃焼圧センサー
US7962307B2 (en) * 2009-02-23 2011-06-14 General Electric Company Integrated apparatus for measuring static pressure
DE102010013598B4 (de) * 2010-03-31 2012-05-24 Borgwarner Beru Systems Gmbh Glühkerze
JP5965179B2 (ja) * 2012-03-29 2016-08-03 日本特殊陶業株式会社 グロープラグ及びその製造方法
DE102012110142B4 (de) * 2012-10-24 2016-06-02 Borgwarner Ludwigsburg Gmbh Druckmessgerät
FR3023604B1 (fr) * 2014-07-09 2016-07-01 Airbus Helicopters Ensemble de prechauffage, culasse, moteur a pistons et aeronef
DE102018108427B3 (de) 2018-04-10 2019-07-25 Borgwarner Ludwigsburg Gmbh Heizstab für eine Glühkerze sowie Verfahren zur Herstellung eines Heizstabs und Glühkerze

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GB1147225A (en) * 1965-05-06 1969-04-02 Bosch Gmbh Robert Improvements in glow plugs for internal combustion engines
WO1983001093A1 (fr) * 1981-09-25 1983-03-31 Bailey, John, M. Bougie a incandescence possedant un element d'allumage de surface en ceramique monte de maniere elastique
DE10218544A1 (de) * 2001-04-26 2002-11-28 Denso Corp Glühkerze mit eingebautem Verbrennungsdrucksensor

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JP3911930B2 (ja) * 1999-10-28 2007-05-09 株式会社デンソー 燃焼圧センサ付きグロープラグ
JP2003185137A (ja) * 2001-12-18 2003-07-03 Bosch Automotive Systems Corp ディーゼルエンジン用グロープラグおよびその製造方法
JP3900059B2 (ja) * 2002-10-07 2007-04-04 株式会社デンソー 燃焼センサ付きグロープラグおよび燃焼圧センサ付きグロープラグの取付構造ならびに取付方法
JP4206941B2 (ja) * 2003-06-12 2009-01-14 株式会社デンソー 燃焼圧センサ
DE102004011098A1 (de) * 2004-03-06 2005-09-22 Robert Bosch Gmbh Vorrichtung zur Erfassung des Brennraumdrucks bei einer Brennkraftmaschine
FR2869394B1 (fr) * 2004-04-27 2006-07-14 Siemens Vdo Automotive Sas Tete de bougie de prechauffage et capteur de pression piezo-electrique correspondant
JP2006300046A (ja) * 2004-08-05 2006-11-02 Ngk Spark Plug Co Ltd 燃焼圧検知機能付グロープラグ

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Publication number Priority date Publication date Assignee Title
GB1147225A (en) * 1965-05-06 1969-04-02 Bosch Gmbh Robert Improvements in glow plugs for internal combustion engines
WO1983001093A1 (fr) * 1981-09-25 1983-03-31 Bailey, John, M. Bougie a incandescence possedant un element d'allumage de surface en ceramique monte de maniere elastique
DE10218544A1 (de) * 2001-04-26 2002-11-28 Denso Corp Glühkerze mit eingebautem Verbrennungsdrucksensor

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US20080264373A1 (en) 2008-10-30
DE102005021229A1 (de) 2006-11-16
JP2008541075A (ja) 2008-11-20
EP1882170A1 (fr) 2008-01-30

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