EP0889213A2 - Agencement de capteurs et dispositif de commande de moteur électrique pour moteur à combustion interne - Google Patents

Agencement de capteurs et dispositif de commande de moteur électrique pour moteur à combustion interne Download PDF

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Publication number
EP0889213A2
EP0889213A2 EP98111377A EP98111377A EP0889213A2 EP 0889213 A2 EP0889213 A2 EP 0889213A2 EP 98111377 A EP98111377 A EP 98111377A EP 98111377 A EP98111377 A EP 98111377A EP 0889213 A2 EP0889213 A2 EP 0889213A2
Authority
EP
European Patent Office
Prior art keywords
sensor
throttle valve
control device
engine
module unit
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
EP98111377A
Other languages
German (de)
English (en)
Other versions
EP0889213A3 (fr
EP0889213B1 (fr
Inventor
Hans Hubert Hemberger
Matthias Scherer
Winfried Stiltz
Günther ALBERTER
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
Daimler Benz AG
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 DaimlerChrysler AG, Daimler Benz AG filed Critical DaimlerChrysler AG
Publication of EP0889213A2 publication Critical patent/EP0889213A2/fr
Publication of EP0889213A3 publication Critical patent/EP0889213A3/fr
Application granted granted Critical
Publication of EP0889213B1 publication Critical patent/EP0889213B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201—Arrangements; Control features; Details thereof
    • F02D2009/0294—Throttle control device with provisions for actuating electric or electronic sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0404—Throttle position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0406—Intake manifold pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0414—Air temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
    • F02D2400/08—Redundant elements, e.g. two sensors for measuring the same parameter
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor

Definitions

  • the invention relates to a sensor arrangement and a motor control device for an internal combustion engine, the Engine control device Sensor means for detecting engine load indicative Quantities, means for determining the engine load based on the measured values supplied by the sensor means and a Throttle valve position control circuit with a throttle valve position controller, a throttle valve actuator and a throttle valve position sensor includes.
  • the Throttle valve actuator is usually e.g. as a DC servomotor with a potentiometer that functions as a throttle position sensor serves.
  • Throttle position sensors are in addition to potentiometers
  • a large number of other types have already been proposed, in particular those based on a non-contact measuring principle, like optical, magnetic and capacitive scanning. Sensors these types are e.g. in DE 38 26 408 A1, DE 42 43 778 A1 and DE 42 43 779 A1 and the patent specifications DE 40 14 885 C2, DE 40 34 991 C2, DE 41 18 218 C2 and US 4,994,739.
  • the invention is a technical problem of providing a sensor arrangement and an engine control device of type mentioned at the beginning, which requires little wiring require and are therefore fail-safe, compact build a precise and therefore optimized fuel consumption and exhaust emissions Enable engine control and if necessary a multisensorial measurement data processing using redundant Allow sensor information.
  • the invention solves this problem by providing a Sensor arrangement with the features of claim 1 and one Motor control device with the features of claim 2.
  • At least two of the four sensors intake air temperature sensor, intake manifold pressure sensor, Air mass sensor and throttle position sensor in one Module unit arranged micro-integrated.
  • Prefers are all four sensors in this way in micro technology in the Integrated module unit.
  • This micro integration of multiple sensors which are particularly those that are engine load indicative Capturing sizes saves cabling effort one, allows a compact structure of the sensor arrangement and offers the prerequisite for multi-sensor data processing, where redundant sensor information is used if necessary can be used, for example, to increase accuracy and reliability in obtaining engine load estimates.
  • the engine control device includes Motor control device a module unit in which not only the two to four sensors mentioned in this sensor arrangement, but also the means for engine load determination, preferably in the form of an engine load estimate, and / or the throttle position controller are arranged micro-integrated.
  • the means for engine load determination preferably in the form of an engine load estimate, and / or the throttle position controller are arranged micro-integrated.
  • the Engine control device eliminates the wiring effort for the components integrated in the module unit, preferably all four named sensors of the sensor arrangement, the engine load determining means and the throttle position controller in Microtechnology are integrated in the module unit, which then as a micro-integrated, intelligent throttle position and Load detection module can be called.
  • engine control device is the throttle position sensor on the microintegration involved, for which he is relatively simple in a special way, However, it is constructed so that it still has the required measurement accuracy offers.
  • a further developed according to claim 4 engine control device has a brushless synchronous motor as a throttle valve actuator, which is conventional in such an engine Hall sensor elements provided for detecting its position at the same time as one involved in microintegration Throttle position sensor can be used. This allows comparatively accurate throttle position measurements across the entire setting range.
  • engine control device is also power electronics in the module unit integrated in microtechnology to power the power consuming Components of the module unit and possibly one Throttle valve servo serves.
  • engine control device is also a safety processor unit in the module unit arranged micro-integrated to carry out of required safety functions for the electrical Throttle valve control is set up.
  • the outsourcing this processor unit usually contained in the engine control unit out of this into the module unit carries on to simplify the engine control unit and above all to save of cabling effort and signal transmission processes at, especially when the engine load determination means and the throttle valve position controller integrated in the module unit are.
  • the engine control device shown schematically in FIG. 1 includes an engine control unit 1 and an intelligently designed Throttle valve position and Load detection module 2, which with the engine control unit 1 via a serial, digital data line 3 in data exchange connection stands.
  • the throttle position and load sensing module 2 is designed as a ring-shaped component, which on the circumference of a Air intake pipe 4 of a motor-controlled device controlled Motor vehicle internal combustion engine not shown is arranged in the region of a throttle valve 5, the Suction pipe 4 is pivotally mounted.
  • the throttle valve adjustment 5 takes place by means of a servomotor 6, for which purpose preferably a brushless synchronous motor is used.
  • module 2 contains all hardware and software components for recording the engine load and the setting of the throttle valve 5 in micro-integrated Construction included, i.e. all for recording engine load indicators Sizes required sensors, means for determination, i.e. Estimate the engine load based on the measured values of this Sensors and a throttle position control loop.
  • module 2 contains a sensor block 7, a signal processing block 8, power electronics 9 and one from the sensor block 7 separately arranged, non-contact measuring Throttle position sensor 10.
  • the sensor block 7 includes an air mass flow sensor 7a, one Intake air temperature sensor 7b and an intake manifold pressure sensor 7c, which protrude from the module 2 into the suction pipe 4 in a suitable manner.
  • the signal processing block 8 contains means for determining the engine load by making a load estimate for which in particular the three engine load indicative output signals of the Sensors 7a, 7b, 7c of the sensor block 7 are used. Of others are in the signal processing block 8 a throttle position controller and contain a security processor unit. Of the Throttle position controller forms together with that of him controlled throttle valve actuator 6 and the throttle valve position sensor 10 the throttle position control loop.
  • Module 2 receives the throttle valve adjustment required Information regarding the air mass setpoint or the Target speed of the internal combustion engine via data line 3 from Engine control unit 1 and gives over this bidirectional data line 3 the information about that measured by the air mass flow sensor 7a Forward air mass actual value to engine control unit 1.
  • the Security processor unit within the signal processing block 8 is used to execute required, e.g. legal prescribed, safety functions for the electrical Throttle valve control.
  • the signal processing block 8 contains the hardware and hardware required to perform the functions mentioned Software with the appropriate intelligence, for which it is particularly useful has a suitable microprocessor.
  • the also in that Module 2 micro-integrated power electronics 9 supplies the power-consuming components of module 2 and the throttle valve servomotor 6 with the required electrical energy.
  • Module 2 is implemented using microsystem technology familiar expert using the module described above 2 functions to be fulfilled easily, so this no further explanation is required here.
  • module 2 both the engine load determining means and the throttle position controller including the associated output stage for controlling the throttle valve servomotor 6 and beyond the security processor and contains the required power electronics 9, need these components are no longer as conventional in the engine control unit 1 can be accommodated.
  • Throttle valve position and load sensing module 2 in all hardware and software components for engine load detection and throttle valve adjustment integrated in microsystem technology are a number of advantages. This is how microintegration enables of sensors 7a, 7b, 7c relevant for load detection Sensor block 7 the use of multi-sensor data processing, i.e. Sensor fusion, to increase accuracy and reliability the engine load estimates derived from the sensor readings. There is also no need for a separate one Temperature compensation for each individual sensor.
  • the signal processing block 8 together with the safety processor unit as well as the power electronics 9 in that Module 2 also results in a significant reduction in Cabling effort and thus increase system security, since the sensor output signals are no longer sent to engine control unit 1 must be performed.
  • the internal combustion engine can be operated with module 2 comparatively accurate and reliable in the desired Control way, for example so that the lowest possible Fuel consumption and exhaust emission values result.
  • Throttle position sensor 10 instead of the conventional one fault-prone throttle potentiometer preferably Non-contact measuring sensor used, one of which is a sensor part together with the associated evaluation electronics in the Module 2 is micro-integrated. Two such throttle sensors, which can be implemented with relatively little effort are in 2 and 3 shown.
  • the throttle position sensor 10a shown in FIG. 2 includes as a first sensor part a Hall sensor element 11, the on the circumference of the air intake pipe 4 in the region of about a pivot axis 12 throttle valve 5 pivotally mounted in the intake manifold 4 is arranged.
  • the evaluation electronics 13 can be part of the Signal processing blocks 8 be.
  • the throttle position sensor 10a has a magnetic pill 14 which is on a peripheral point of the throttle valve 5 is pressed in, which is adjacent to the position of the Hall sensor element 11 on the intake pipe 4 , the distance between Hall sensor element 11 and magnetic pill 14 at small throttle valve angles close to The closed position is small and with larger throttle valve angles grows.
  • This fulfills this throttle position sensor 10a with low implementation effort, especially the smaller throttle valve angle in the range between to measure around 0 ° and 20 ° with high accuracy, while with larger throttle valve angles, the upper part of the load range and correspond to the full load range of the internal combustion engine, comparatively larger measurement inaccuracies are accepted can.
  • a sensor can be used instead the Hall sensor element 11 a carrier frequency generator and instead of the pressed magnetic pill 14, an associated, absorber element implemented as a resonant circuit for the carrier frequency generator has emitted electromagnetic waves.
  • the analog evaluation electronics 13 are suitable for this Modification adjusted by the distance from the carrier frequency generator and absorber element dependent degree of absorption and thus to record the set throttle valve angle can
  • FIG. 3 shows a simple implementation of a throttle valve position sensor 10b in the event that as a throttle valve servomotor a brushless synchronous motor 6a is used, whose shaft via a gear, not shown, gear is rotatably coupled to the shaft of the throttle valve 5.
  • the brushless synchronous motor 6a used has a plurality Hall sensor elements 15a, 15b, 15c, which are usually used for this purpose serve to detect the exact position of the servomotor 6a.
  • This Hall sensor elements 15a, 15b, 15c on the motor side are used in the example 3 simultaneously as the one sensor part of a non-contact measuring throttle position sensor 10b used, whose other sensor part an associated, suitably designed Evaluation electronics 16, e.g.
  • an ASIC module contains, which is microintegrated into module 2 of FIG. 1 and for this purpose arranged at a suitable location on the circumference of the air intake pipe 4 is.
  • this evaluation electronics 16 be part of the signal processing block 8 again.
  • guided signal lines 17 the evaluation electronics 16 are guided signal lines 17 the evaluation electronics 16, the output signals of the Hall sensor elements 15a, 15b, 15c fed.
  • Throttle potentiometer comes into consideration in the signal processing block 8 of module 2 of FIG. 1 is an indirect estimate the throttle valve position based on the engine load indicative sensor signals and in this way the entirety of the Sensors that measure the engine load indicative quantities together with the engine load estimation means as a throttle position sensor to use.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
EP98111377A 1997-07-03 1998-06-20 Agencement de capteurs et dispositif de commande de moteur électrique pour moteur à combustion interne Expired - Lifetime EP0889213B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19728349A DE19728349A1 (de) 1997-07-03 1997-07-03 Sensoranordnung und Motorsteuerungseinrichtung für einen Verbrennungsmotor
DE19728349 1997-07-03

Publications (3)

Publication Number Publication Date
EP0889213A2 true EP0889213A2 (fr) 1999-01-07
EP0889213A3 EP0889213A3 (fr) 2000-05-10
EP0889213B1 EP0889213B1 (fr) 2003-10-15

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EP98111377A Expired - Lifetime EP0889213B1 (fr) 1997-07-03 1998-06-20 Agencement de capteurs et dispositif de commande de moteur électrique pour moteur à combustion interne

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Country Link
US (1) US6446600B1 (fr)
EP (1) EP0889213B1 (fr)
DE (2) DE19728349A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001023731A1 (fr) * 1999-09-30 2001-04-05 Siemens Automotive Corporation Capteur de commande moteur integre
EP1108986A1 (fr) * 1999-12-16 2001-06-20 Denso Corporation Méthode et dispositif pour le réglage à compensation thermique de la position d'une soupape à papillon
EP1081356A3 (fr) * 1999-09-03 2001-10-10 Honda Giken Kogyo Kabushiki Kaisha Système d'admission pour moteur
WO2004015254A1 (fr) * 2002-08-06 2004-02-19 Solvay Advanced Polymers, Llc Dispositif d'aspiration avec chargement d'impulsions destine a des moteurs a combustion interne
WO2010145877A1 (fr) * 2009-06-15 2010-12-23 Robert Bosch Gmbh Dispositif à capteurs multiples
WO2012028385A1 (fr) * 2010-08-31 2012-03-08 Robert Bosch Gmbh Capteur combiné

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4764996B2 (ja) * 2001-04-12 2011-09-07 富士電機株式会社 半導体物理量センサ装置
US7180798B2 (en) * 2001-04-12 2007-02-20 Fuji Electric Co., Ltd. Semiconductor physical quantity sensing device
JP3893907B2 (ja) * 2001-06-14 2007-03-14 株式会社デンソー 内燃機関用吸気制御装置
DE10133294A1 (de) * 2001-07-12 2003-01-23 Siemens Ag Drosselklappenstutzen
DE10137454A1 (de) 2001-08-02 2003-02-20 Siemens Ag Drosselklappenstutzen
DE10250873B4 (de) * 2002-10-31 2004-09-30 Stego-Holding Gmbh Luftstromwächter
US7305966B2 (en) * 2003-02-20 2007-12-11 Mikuni Corporation Sensor module unit and a throttle apparatus equipped with the sensor module unit
DE102004022325A1 (de) * 2003-05-08 2004-12-09 Aisan Kogyo K.K., Obu Drosselregelungseinrichtungen
EP1477655A1 (fr) * 2003-05-13 2004-11-17 Haldor Topsoe A/S Procédé d'injection contrôlée d'un agent réducteur dans des gaz d'échappement contenant des oxydes d'azote
US6772732B1 (en) * 2003-08-25 2004-08-10 Mclaughlin John E. Manual throttling apparatus
ITMI20040415A1 (it) * 2004-03-04 2004-06-04 Dellorto Spa Unita'integrata di alimentazione per motori a combustione interna
MX2007010194A (es) 2004-09-10 2008-11-04 Knorr Bremse Systeme Dispositivo para la alimentacion de aire fresco a un motor de combustion interna con embolo turbocargado y metodo para la operacion de este.
CN100365261C (zh) * 2005-09-28 2008-01-30 联合汽车电子有限公司 小型发动机节气门模块
US8161939B2 (en) * 2006-06-14 2012-04-24 Vectrix International Limited Vehicle with contactless throttle control
PT2032423E (pt) * 2006-06-14 2012-07-04 Vectrix Internat Ltd Dispositivo de controle de potência de veículo
DE102006052216B4 (de) * 2006-11-06 2008-08-21 Siemens Ag Sensormodul zur Bestimmung von Strömungsgrößen eines Gasstroms eines Verbrennungsmotors
JP4954786B2 (ja) * 2007-05-09 2012-06-20 株式会社ニッキ 電子制御手段を内蔵したスロットル装置
JP5449028B2 (ja) * 2010-05-25 2014-03-19 本田技研工業株式会社 船外機
DE102012221697B4 (de) * 2012-11-28 2024-07-18 Robert Bosch Gmbh Motorsteuereinheit
EP3237739B1 (fr) * 2014-12-23 2020-05-13 Husqvarna AB Moteur à combustion interne et procédé pour le démarrer avec securité
DE102016119426B4 (de) * 2016-10-12 2020-03-12 Pierburg Gmbh Klappenvorrichtung für eine Verbrennungskraftmaschine
DE102016223681A1 (de) 2016-11-29 2018-05-30 Schaeffler Technologies AG & Co. KG Klappenanordnung für ein Fahrzeug

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4905544A (en) * 1975-09-25 1990-03-06 Ganoung David P Powertrain control apparatus for improving fuel economy
US4186602A (en) * 1978-08-21 1980-02-05 The Bendix Corporation High response automotive mass air flow sensor
DE3405935A1 (de) 1984-02-18 1985-08-22 Vdo Adolf Schindling Ag, 6000 Frankfurt Drosselklappenstelleinrichtung
GB2208549B (en) * 1987-08-03 1991-10-02 Hitachi Ltd Angle sensor for throttle valve of internal combustion engine
JPH0285324U (fr) 1988-12-21 1990-07-04
DE4014885C2 (de) * 1989-05-13 1995-07-13 Aisan Ind Drehwinkelaufnehmer
DE4034991A1 (de) 1990-11-03 1992-05-07 Valeo Borg Instr Verw Gmbh Messeinrichtung zum elektrischen erfassen eines stellwinkels
DE4118218A1 (de) 1990-11-03 1992-12-10 Valeo Borg Instr Verw Gmbh Kapazitive messeinrichtung zum elektrischen erfassen eines stellwinkels, insbesondere einer drosselklappe
DE4243779A1 (de) 1992-12-23 1994-06-30 Bosch Gmbh Robert Digitaler Winkelgeber
DE4243778A1 (de) 1992-12-23 1994-06-30 Bosch Gmbh Robert Vorrichtung oder Verfahren zur Lageerkennung
US5355855A (en) * 1993-12-27 1994-10-18 Hitachi America, Ltd. Integrated feed forward air/fuel ratio sensor for gaseous fuel engines
DE4443502A1 (de) * 1994-12-07 1996-06-13 Bosch Gmbh Robert Vorrichtung für eine Brennkraftmaschine
US5756890A (en) * 1995-11-30 1998-05-26 Ford Global Technologies, Inc. Snap mount throttle position sensor
US5681990A (en) * 1995-12-07 1997-10-28 Ford Motor Company Capacitive throttle position sensor
US5623906A (en) * 1996-01-22 1997-04-29 Ford Motor Company Fixed throttle torque demand strategy
US5750887A (en) * 1996-11-18 1998-05-12 Caterpillar Inc. Method for determining a remaining life of engine oil

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1081356A3 (fr) * 1999-09-03 2001-10-10 Honda Giken Kogyo Kabushiki Kaisha Système d'admission pour moteur
WO2001023731A1 (fr) * 1999-09-30 2001-04-05 Siemens Automotive Corporation Capteur de commande moteur integre
US6494186B1 (en) 1999-09-30 2002-12-17 Siemens Vdo Automotive Corporation Integral engine control sensor
EP1108986A1 (fr) * 1999-12-16 2001-06-20 Denso Corporation Méthode et dispositif pour le réglage à compensation thermique de la position d'une soupape à papillon
US6499461B2 (en) 1999-12-16 2002-12-31 Denso Corporation Adjustment method and system for adjusting various temperature characteristics
WO2004015254A1 (fr) * 2002-08-06 2004-02-19 Solvay Advanced Polymers, Llc Dispositif d'aspiration avec chargement d'impulsions destine a des moteurs a combustion interne
WO2010145877A1 (fr) * 2009-06-15 2010-12-23 Robert Bosch Gmbh Dispositif à capteurs multiples
WO2012028385A1 (fr) * 2010-08-31 2012-03-08 Robert Bosch Gmbh Capteur combiné
CN103080713A (zh) * 2010-08-31 2013-05-01 罗伯特·博世有限公司 组合式传感器
CN103080713B (zh) * 2010-08-31 2015-03-18 罗伯特·博世有限公司 组合式传感器

Also Published As

Publication number Publication date
EP0889213A3 (fr) 2000-05-10
DE19728349A1 (de) 1999-01-07
US6446600B1 (en) 2002-09-10
EP0889213B1 (fr) 2003-10-15
DE59809903D1 (de) 2003-11-20

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