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1. (EP3475552) DETERMINATION OF PRESSURIZED FUEL TEMPERATURE

Office : European Patent Office
Application Number: 17820645 Application Date: 19.06.2017
Publication Number: 3475552 Publication Date: 01.05.2019
Publication Kind : A1
Designated States: AL, AT, BA, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
Prior PCT appl.: Application Number:SE2017050658 ; Publication Number: Click to see the data
IPC:
F02D 41/38
B60K 15/00
F02D 41/00
F02D 41/30
F02M 65/00
G01K 7/00
G01N 25/00
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
D
CONTROLLING COMBUSTION ENGINES
41
Electrical control of supply of combustible mixture or its constituents
30
Controlling fuel injection
38
of the high pressure type
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
K
ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES
15
Arrangement in connection with fuel supply of combustion engines; Mounting or construction of fuel tanks
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
D
CONTROLLING COMBUSTION ENGINES
41
Electrical control of supply of combustible mixture or its constituents
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
D
CONTROLLING COMBUSTION ENGINES
41
Electrical control of supply of combustible mixture or its constituents
30
Controlling fuel injection
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
M
SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
65
Testing fuel-injection apparatus, e.g. testing injection timing
G PHYSICS
01
MEASURING; TESTING
K
MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
7
Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat
G PHYSICS
01
MEASURING; TESTING
N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
25
Investigating or analysing materials by the use of thermal means
CPC:
B60K 15/00
F02D 41/1401
F02D 41/345
F02D 41/3809
F02D 2041/1433
F02D 2200/0602
F02D 2200/0606
F02D 2200/0616
F02D 2250/04
F02M 65/00
G01K 7/427
G01K 2205/00
Y02T 10/44
Applicants: SCANIA CV AB
Inventors: RUNDQVIST ERIK
Priority Data: 1650914 27.06.2016 SE
2017050658 19.06.2017 SE
Title: (DE) BESTIMMUNG DER TEMPERATUR VON UNTER DRUCK STEHENDEM KRAFTSTOFF
(EN) DETERMINATION OF PRESSURIZED FUEL TEMPERATURE
(FR) DÉTERMINATION DE TEMPÉRATURE DE CARBURANT SOUS PRESSION
Abstract:
(EN) A method (300) and a system (200) for determining a temperature (Ttot) for pressurized fuel included in a high pressure fuel system (250) arranged for providing fuel to an engine (101) are presented. The method (300) includes determining a first temperature (T1)for a first fuel volume (V1) included in a first section (251) of the high pressure fuel system (250), where the first section (251) includes a common rail fuel system (253). The method (300) further includes determining a second temperature (T2) for a second fuel volume (V2) included in a second section (252) of the high pressure fuel system (250), where the second section (252) includes at least one fuel injector (271, 272, 273,..., 27n) arranged in a cylinder head (280) of the engine (101). The method (300) also includes the step of determining the temperature (Ttot) for the pressurized fuel based at least on the first temperature (T1) and on the second temperature (T2); Ttot=f(T1, T2).
(FR) L'invention concerne un procédé (300) et un système (200) de détermination d'une température (Ttot) d'un carburant sous pression présent dans un système de carburant à haute pression (250) agencé pour fournir du carburant à un moteur (101). Le procédé (300) consiste à déterminer une première température (T1) pour un premier volume de carburant (V1) présent dans une première section (251) du système de carburant à haute pression (250), la première section (251) contenant un système de carburant à rampe commune (253). Le procédé (300) consiste aussi à déterminer une deuxième température (T2) pour un deuxième volume de carburant (V2) présent dans une deuxième section (252) du système de carburant à haute pression (250), la deuxième section (252) comprenant au moins un injecteur de carburant (271, 272, 273,..., 27n) agencé dans une culasse (280) du moteur (101). Le procédé (300) consiste aussi à déterminer la température (Ttot) du carburant sous pression au moins en fonction de la première température (T1) et de la deuxième température (T2) ; Ttot = f(T1, T2).
Also published as:
KR1020190017934CN109477442US20190186398BR112018073855WO/2018/004426