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1. WO2010000561 - METHOD FOR DETERMINING A FUEL TEMPERATURE IN AN INJECTION SYSTEM

Publication Number WO/2010/000561
Publication Date 07.01.2010
International Application No. PCT/EP2009/056923
International Filing Date 05.06.2009
IPC
G01K 11/00 2006.01
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
11Measuring temperature based on physical or chemical changes not covered by group G01K3/, G01K5/, G01K7/, or G01K9/202
CPC
F02D 2200/0414
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
2200Input parameters for engine control
02the parameters being related to the engine
04Engine intake system parameters
0414Air temperature
F02D 2200/0602
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
2200Input parameters for engine control
02the parameters being related to the engine
06Fuel or fuel supply system parameters
0602Fuel pressure
F02D 2200/0608
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
2200Input parameters for engine control
02the parameters being related to the engine
06Fuel or fuel supply system parameters
0606Fuel temperature
0608Estimation of fuel temperature
F02D 41/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
41Electrical control of supply of combustible mixture or its constituents
02Circuit arrangements for generating control signals
04Introducing corrections for particular operating conditions
06for engine starting or warming up
F02D 41/3836
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
41Electrical control of supply of combustible mixture or its constituents
30Controlling fuel injection
38of the high pressure type
3809Common rail control systems
3836Controlling the fuel pressure
G01K 11/00
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
11Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
Applicants
  • CONTINENTAL AUTOMOTIVE GMBH [DE]/[DE] (AllExceptUS)
  • LI, Hui [CN]/[DE] (UsOnly)
Inventors
  • LI, Hui
Priority Data
10 2008 031 535.403.07.2008DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) VERFAHREN ZUM ERMITTELN EINER TEMPERATUR EINES KRAFTSTOFFES EINES EINSPRITZSYSTEMS
(EN) METHOD FOR DETERMINING A FUEL TEMPERATURE IN AN INJECTION SYSTEM
(FR) PROCÉDÉ POUR DÉTERMINER LA TEMPÉRATURE DU CARBURANT D'UN SYSTÈME D'INJECTION
Abstract
(DE)
Die Erfindung betrifft ein Verfahren zum Ermitteln einer Temperatur eines Kraftstoffes in einem Einspritzsystem für eine Brennkraftmaschine, wobei ein E-Modul des Kraftstoffes anhand eines gemessenen Parameters bestimmt wird, wobei anhand des E-Moduls die Temperatur des Kraftstoffes bestimmt wird. Die Erfindung betrifft zudem ein Verfahren zum Bestimmen einer Temperatur eines Kraftstoffes vor einer Vorpumpe eines Einspritzsystems für eine Brennkraftmaschine, wobei die Ansauglufttemperatur und ein Kraftstoffdruck im Einspritzsystem ermittelt werden, und wobei abhängig vom Kraftstoffdruck und der Ansauglufttemperatur die Kraftstofftemperatur ermittelt wird.
(EN)
The invention relates to a method for determining a fuel temperature in an injection system for an internal combustion engine. In said method, a modulus of elasticity of the fuel is determined on the basis of a measured parameter, and the fuel temperature is determined on the basis of the modulus of elasticity. The invention further relates to a method for determining a fuel temperature upstream of a forepump of an injection system for an internal combustion engine. In said method, the intake air temperature and a fuel pressure in the injection system are determined, and the fuel temperature is determined in accordance with the fuel pressure and the intake air temperature.
(FR)
L'invention concerne un procédé pour déterminer la température du carburant d'un système d'injection, destiné à un moteur à combustion. Selon ce procédé, le module d'élasticité du carburant est déterminé à l'aide d'un paramètre mesuré, la température du carburant étant déterminée à l'aide dudit module d'élasticité. En outre, l'invention concerne un procédé pour déterminer la température d'un carburant, en amont d'une pompe primaire de système d'injection, destiné à un moteur à combustion. Ce procédé consiste à déterminer la température de l'air d'admission et la pression de carburant dans le système d'injection, la température de carburant étant déterminée en fonction de ladite température de l'air d'admission et de ladite pression de carburant.
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