EP1521913A2 - Dispositif de controle de debit d'une pompe a injection directe d'essence - Google Patents
Dispositif de controle de debit d'une pompe a injection directe d'essenceInfo
- Publication number
- EP1521913A2 EP1521913A2 EP03755583A EP03755583A EP1521913A2 EP 1521913 A2 EP1521913 A2 EP 1521913A2 EP 03755583 A EP03755583 A EP 03755583A EP 03755583 A EP03755583 A EP 03755583A EP 1521913 A2 EP1521913 A2 EP 1521913A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- low pressure
- pump
- solenoid valve
- high pressure
- pressure
- 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
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 20
- 238000002347 injection Methods 0.000 title claims abstract description 8
- 239000007924 injection Substances 0.000 title claims abstract description 8
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000033228 biological regulation Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000031361 Hiccup Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009107 upstream regulation Effects 0.000 description 1
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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/0045—Three-way valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/005—Pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0205—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine
- F02M63/0215—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine by draining or closing fuel conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/04—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/12—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps having other positive-displacement pumping elements, e.g. rotary
- F02M59/14—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps having other positive-displacement pumping elements, e.g. rotary of elastic-wall type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/46—Valves
- F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
Definitions
- the present invention relates to a device for controlling the flow rate of a direct petrol injection pump.
- the injection system known by the acronym I.D.E. (Direct Fuel Injection) includes a high pressure pump which supplies gasoline under high pressure to a common chamber, usually designated by the expression “common rail”, to which the injectors are directly connected.
- the present invention relates to a device for controlling the gasoline intake flow rate in the high pressure pump in an I.D.E. system. by means of which the high-pressure pump will deliver to the common chamber, or "common rail", only very precisely the volume of petrol necessary for the operation of the engine.
- the method according to the present invention consists in fitting, inside the solenoid valve controlling the arrival of low-pressure petrol at the intake of the high-pressure pump, one or more internal leaks, ie low pressure upstream of the solenoid valve to the downstream low pressure, ie from high pressure to low pressure, which makes it possible to resolve the specific problems which arise for the following three operating modes: engine brake, engine stop and idling.
- Figure 1 a schematic view of an I.D.E.
- Figure 2 a view, also schematic, of a pump supplying gasoline at high pressure provided with a control device according to the invention.
- Figure 3 a view of a second alternative embodiment.
- Figure 4 a view of a third alternative embodiment.
- Figure 5 a partial view of Figure 4, on an enlarged scale illustrating a fourth embodiment.
- Figure 6 a diagram illustrating the operation of the installation.
- Figure 7 a diagram illustrating the operation with an additional leak.
- FIG. 8 an example of implementation of the invention.
- the high-pressure petrol supply circuit includes a petrol tank; a low pressure pump or booster pump B; a flow control solenoid valve E, located upstream of a high pressure pump P; a pressure relief valve D; a high pressure chamber C (usually called common rail) to which the injectors I are connected.
- the pump P can be any pump capable of supplying the chamber
- this pump P is a pump of the type called transfer pump which comprises an oil part and a petrol part which are separated from each other in a leaktight manner.
- the oil subjected by the reciprocating movement back and forth, acts on a deformable element which exerts a pumping action on the petrol.
- the transfer pump is illustrated schematically in Figures 2, 3, and 4 and is not shown in detail because it is known and is not the subject of the present invention.
- the oil is subjected to reciprocating movements back and forth by hollow pistons 1. These pistons are driven in an alternating movement because they are supported by their head 2 on an oscillating plate. This swash plate is not shown because it is a known means.
- a piston 1 moves (upwards in FIG. 2) in its cylinder 4, the oil lifts the valve 5.
- a deformable member 9, in the form of a bellows is tightly fixed at one end 6 to the support of the cylinder 4 and at its other end 8 to the valve 5.
- the valve 5 lowers.
- the back and forth movements of the oil cause a back and forth movement of said valve 5 and therefore of elongations and contractions of the bellows 9.
- the bellows 9 is placed in a chamber filled with petrol. This room is not shown because such a provision is known. The extensions and contractions of the bellows 9 cause a pumping effect.
- Each chamber in which a bellows 9 struggles has a pipe 10 which communicates on the one hand with the low pressure circuit 20 by a non-return valve 21 and on the other hand with the high pressure circuit 32 by a non-return valve 31.
- the bellows 9 When the bellows 9 is deployed under the effect of the high pressure of the oil, it drives out the petrol at the same pressure through the valve 31; when it retracts the gasoline supplied by the pump B passes through the non-return valve 21 and enters the chamber in which the bellows 9 struggles.
- Upstream regulation of the petrol flow is used by regulating the petrol flow arriving at the pump P by means of a solenoid valve 40 disposed on the line 23 arriving from the low pressure pump B and distributing the petrol to the circuit d supply 20 of said pump P via a line 22a. It is known to specialists that, in practice, it is very difficult to produce a solenoid valve having no internal leakage, which is a drawback.
- the present invention consists in using this drawback by using internal leaks from the solenoid valve 40 to solve the problems described above.
- This pipe 32 has a first bypass 32a which leads to the solenoid valve 40 and a second bypass which leads to a pressure relief valve D.
- the solenoid valve 40 consists of a body 41 in which is placed a jacket 42 in which slides a drawer 43 which is subjected on one side to a spring 44 and on the other to an electromagnet or motor 45.
- the drawer 43 has two peripheral grooves 47 and 46 which are placed opposite one of the inlet 32a of the high pressure manifold 32, the other of the outlet 22a of the low pressure towards the low pressure manifold 22.
- the groove 46 is uncovered so that the low pressure gasoline arriving through the line 25 communicates with the line 22a through the passage formed between the upper end of the jacket 42 and the throat 46.
- the dimension of this passage varies as a function of the position of the spool 43 and this is how the flow of gasoline at low pressure arriving at the pump is regulated according to the needs of the engine.
- the solenoid valve 40 is determined so that the leakage rate of the high pressure gasoline towards low pressure (at 47a) is greater than the leakage rate of the low pressure gasoline upstream of the solenoid valve towards downstream low pressure (at 46a).
- a piloted check valve is added to the solenoid valve with slide valve (40-43), which is interposed between the low pressure (BP) upstream and the low pressure (BP) downstream from the solenoid valve.
- a leakage control device is added to the high pressure (HP) outlet of the solenoid valve.
- a bypass 32a leading to the solenoid valve 40 for regulating the low pressure flow going to the pump, so as to recycle constantly by the space 47 has a leakage rate of gasoline under high pressure towards the low pressure circuit through said solenoid valve 40.
- the non-return valve 50 is controlled by the electromagnet 45 by means of a push rod 51.
- the valve is counter-held in the closed position by a spring 52 bearing on a support 53, provided with orifices 54; this support 53 being in abutment against the slide 43 of the solenoid valve 40.
- the solenoid valve 40 In the rest position, the solenoid valve 40 is closed.
- the ball 50 rests on its seat in a sealed manner and the drawer 43 covers the supply light 42a.
- the internal leakage of the solenoid valve 40 is contained in the envelope 41 of the drawer 43. This is the "zero flow" position, that is to say the suppression of the flow Ql + Q2.
- This variant has the advantage of ensuring a real zero flow rate without leakage of the booster pressure (BP) as is the case in the examples of FIG. 2.
- FIG 4 shows another alternative embodiment, in which the same elements have the same references.
- bypass function a function called "bypass function" which allows, among other things, to short-circuit the HP pump for starting at BP. In certain starting conditions, the engine starter does not rotate fast enough for the high pressure pump to provide sufficient flow to the injectors.
- the return spring 44 of the drawer 43 is enclosed in a cage of variable length, constituted by two elements 60/61 which can approach each other.
- the low-pressure petrol coming from the booster pump B via the line 23 arrives laterally in the chamber 64 in which the cage 60/61 is located, which closes the return spring 44.
- This chamber 64 has at its upper end an orifice 62 which communicates by a pipe 63 with the rail C and therefore the HP which is there.
- FIG. 6 shows four curves (I), (II), (III) and (IV), given by way of example.
- the abscissa is graduated as a percentage of PWM (Puises Width Modulation) which is the usual means of controlling a solenoid valve by modifying the width of the pulses arriving at the motor 45.
- PWM Pulises Width Modulation
- Curve (I) represents the consumption of the engine at idle: it is therefore constant.
- Curve (II) represents the leakage rate through the solenoid valve: it increases with the PWM (reduction in drawer / jacket overlap).
- Curve (III) represents the increase in flow as a function of PWM.
- the curve (IV) represents the pressure necessary to open the valve 60/62 towards the common rail C as a function of PWM.
- the device according to the invention it is possible to cut off the supply and have a negative flow which returns to the tank and drops the pressure in the common rail C.
- an additional permanent leakage rate at the valve going to the common rail C that is to say the valve 60/62.
- the part 60 of the cage 60/61 does not rest directly against the orifice 62, but on a seat 65 in which one or more conduits have been precisely calibrated so as to ensure through said seat 65 a permanent calibrated leak.
- the curve (I) has been replaced by the curve (V) which represents the consumption of the engine at idle + the leak rate through the calibrated orifice of leak through the seat 65.
- FIG. 8 represents an exemplary embodiment of the device shown diagrammatically in FIGS. 5 and 6.
- the solenoid valve includes a drawer 100 (corresponding to drawer 43) which is actuated by a motor 101 (corresponding to 45).
- the upstream BP coming from the reservoir thanks to the booster pump, arrives via the pipe 102 (corresponding to 23), in a chamber 103 (corresponding to 64).
- the downstream BP coming from the internal leak, is collected in the groove 104 (corresponding to 46) and is directed towards the inlet of the HP pump via the line 105 (corresponding to 22a).
- the internal leakage from the upstream BP to the downstream BP occurs in the zone referenced 106 between the chamber 103 and the groove 104.
- the drawer is counter-held by a spring 107 (corresponding to the spring 44) which is located in the chamber 103 .
- the spring 107 is disposed between the drawer 100 and a pusher 108 carrying a ball 109 which closes a small pipe 110 which opens into a pipe 111 which communicates with the common rail C.
- the pipes 110 and 111 are formed through a part 112 which is fixed to the folder 114 (corresponding to 42) in which the drawer 100 slides.
- the part 112 is fixed to the end of the jacket 114 by providing a calibrated passage 113 allowing a permanent leak.
- Line 111 and calibrated leak 113 emerge into a chamber 115 which, via line 116 (corresponding to 63), communicates with common rail C.
- the ball 109 on its seat of the pipe 110 and the calibrated passage 113 correspond to the valve 60/62 and to the leak 65 of FIG. 6.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fuel-Injection Apparatus (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0208726 | 2002-07-11 | ||
FR0208726 | 2002-07-11 | ||
FR0209797 | 2002-07-31 | ||
FR0209797 | 2002-07-31 | ||
PCT/FR2003/002118 WO2004007950A2 (fr) | 2002-07-11 | 2003-07-08 | Dispositif de controle de debit d'une pompe a injection directe d'essence |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1521913A2 true EP1521913A2 (fr) | 2005-04-13 |
EP1521913B1 EP1521913B1 (fr) | 2009-09-09 |
Family
ID=30117025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03755583A Expired - Lifetime EP1521913B1 (fr) | 2002-07-11 | 2003-07-08 | Dispositif et procédé de contrôle de débit d'une pompe à injection directe d'essence |
Country Status (7)
Country | Link |
---|---|
US (1) | US7270113B2 (fr) |
EP (1) | EP1521913B1 (fr) |
JP (1) | JP4441608B2 (fr) |
AT (1) | ATE442524T1 (fr) |
AU (1) | AU2003273426A1 (fr) |
DE (1) | DE60329182D1 (fr) |
WO (1) | WO2004007950A2 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2858432B1 (fr) * | 2003-08-01 | 2005-10-07 | Eaton Corp | Electrovanne de regulation de debit et de pression |
DE102005020686B4 (de) * | 2005-05-03 | 2007-08-02 | Siemens Ag | Verfahren und Vorrichung zum Steuern einer Kraftstoffzuführeinrichtung einer Brennkraftmaschine |
ITPD20060126A1 (it) * | 2006-04-05 | 2007-10-06 | Omvl Srl | Dispositivo di controllo della erogazione di un gas combustibile in motori a combustione interna. |
FR2903456B1 (fr) * | 2006-07-07 | 2008-10-17 | Siemens Automotive Hydraulics | Pompe transfert a plusieurs pistons |
US7789070B2 (en) | 2008-03-27 | 2010-09-07 | Ford Global Technologies, Llc | In-line electro-mechanical modulating device to modulate fuel flow in fuel rails to reduce noise |
US8291889B2 (en) | 2009-05-07 | 2012-10-23 | Caterpillar Inc. | Pressure control in low static leak fuel system |
DE102010064171A1 (de) * | 2010-12-27 | 2012-06-28 | Robert Bosch Gmbh | Druckregelanordnung eines Kraftstoffversorgungssystems |
FR3021359B1 (fr) * | 2014-05-26 | 2019-06-07 | Safran Power Units | Dispositif et procede de prechauffage de carburant dans une turbomachine |
FR3056644B1 (fr) | 2016-09-23 | 2018-11-02 | Continental Automotive France | Procede de commande d'une pompe a carburant pour un vehicule automobile |
CN115126637B (zh) * | 2022-07-20 | 2024-02-20 | 潍柴动力股份有限公司 | 一种高压共轨燃油系统及汽车 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3345391C2 (de) * | 1983-12-15 | 1994-05-26 | Bosch Gmbh Robert | Einrichtung zur temperaturabhängigen Umschaltung der Überströmmenge einer Diesel-Einspritzpumpe |
JP3115099B2 (ja) * | 1992-04-13 | 2000-12-04 | 株式会社小野測器 | 燃費計測装置 |
DE19539883B4 (de) | 1995-05-26 | 2011-06-01 | Robert Bosch Gmbh | Kraftstoffversorgungsanlage und Verfahren zum Betreiben einer Brennkraftmaschine |
DE19612413B4 (de) * | 1996-03-28 | 2006-06-29 | Siemens Ag | Druckfluid-Versorgungssystem, insbesondere für ein Kraftstoff-Einspritzsystem |
DE19627741A1 (de) * | 1996-07-10 | 1998-01-15 | Mannesmann Vdo Ag | Druckhalteeinrichtung |
DE19714489C1 (de) | 1997-04-08 | 1998-10-01 | Siemens Ag | Einspritzsystem, Druckventil und Volumenstromregelventil und Verfahren zum Regeln eines Kraftstoffdruckes |
DE19737125C2 (de) | 1997-08-26 | 2002-01-31 | Siemens Ag | Volumenstrom-Regelvorrichtung und Einspritzsystem mit einer solchen Regelvorrichtung |
JP3999855B2 (ja) * | 1997-09-25 | 2007-10-31 | 三菱電機株式会社 | 燃料供給装置 |
DE19853103A1 (de) * | 1998-11-18 | 2000-05-25 | Bosch Gmbh Robert | Kraftstoffeinspritzsystem für Brennkraftmaschinen |
JP2000291509A (ja) * | 1999-04-01 | 2000-10-17 | Mitsubishi Electric Corp | 直噴式ガソリンエンジン用燃料供給装置 |
DE10058674A1 (de) | 2000-11-25 | 2002-06-06 | Bosch Gmbh Robert | Verfahren, Computerprogramm und Steuer und/oder Regelgerät zum Betreiben einer Brennkraftmaschine |
JP3823060B2 (ja) * | 2002-03-04 | 2006-09-20 | 株式会社日立製作所 | 高圧燃料供給ポンプ |
-
2003
- 2003-07-08 WO PCT/FR2003/002118 patent/WO2004007950A2/fr active Application Filing
- 2003-07-08 AU AU2003273426A patent/AU2003273426A1/en not_active Abandoned
- 2003-07-08 EP EP03755583A patent/EP1521913B1/fr not_active Expired - Lifetime
- 2003-07-08 DE DE60329182T patent/DE60329182D1/de not_active Expired - Fee Related
- 2003-07-08 JP JP2004520737A patent/JP4441608B2/ja not_active Expired - Fee Related
- 2003-07-08 AT AT03755583T patent/ATE442524T1/de not_active IP Right Cessation
- 2003-07-08 US US10/520,918 patent/US7270113B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2004007950A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP1521913B1 (fr) | 2009-09-09 |
JP2005538285A (ja) | 2005-12-15 |
WO2004007950A2 (fr) | 2004-01-22 |
US7270113B2 (en) | 2007-09-18 |
ATE442524T1 (de) | 2009-09-15 |
DE60329182D1 (de) | 2009-10-22 |
AU2003273426A8 (en) | 2004-02-02 |
WO2004007950A3 (fr) | 2004-04-08 |
JP4441608B2 (ja) | 2010-03-31 |
US20050252492A1 (en) | 2005-11-17 |
AU2003273426A1 (en) | 2004-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2486262B1 (fr) | Circuit d'alimentation en carburant d'un moteur d'aeronef | |
EP0119894B1 (fr) | Perfectionnement aux systèmes d'injection à commande électromagnétique pour moteur Diesel de type pression-temps où l'aiguille de l'injecteur est pilotée par la décharge puis la charge d'une capacité | |
FR2750173A1 (fr) | Injecteur de carburant pilote hydrauliquement par une vanne de commande directe a aiguille | |
FR2741395A1 (fr) | Systeme hydraulique d'injection de carburant a remplissage dose et procede d'injection de carburant | |
FR2826064A1 (fr) | Systeme d'alimentation en carburant pour carburant de remplacement | |
EP0995031B1 (fr) | Dispositif d'injection de combustible pour moteurs diesel | |
FR2604219A1 (fr) | Procede et dispositif d'injection de carburant pour moteurs a combustion interne. | |
CA2776314A1 (fr) | Circuit d'alimentation en carburant d'un moteur d'aeronef | |
FR2793847A1 (fr) | Dispositif d'alimentation en carburant | |
EP1521913B1 (fr) | Dispositif et procédé de contrôle de débit d'une pompe à injection directe d'essence | |
EP0898649B1 (fr) | Dispositif d'injection de combustible liquide pour moteur a combustion interne | |
EP1748194A1 (fr) | Dispositif d'amplification de pression pour un actionneur hydraulique situé dans un moteur thermique et moteur incorporant un tel dispositif | |
EP1312864B1 (fr) | Dispositif doseur de combustible pour injecteur de turbomachine | |
FR2828526A1 (fr) | Procede et systeme d'alimentation en carburant d'un moteur a combustion interne, et appareil de commande du procede | |
FR2817297A1 (fr) | Systeme d'injection de carburant dans un moteur a combustion interne | |
WO2007110492A1 (fr) | Pompe transfert pour injection d'essence a haute pression | |
FR2711736A1 (fr) | Dispositif d'injection de combustible liquide pour moteur Diesel. | |
FR2755188A1 (fr) | Injecteur de carburant actionne hydrauliquement avec acces de stabilisation de ralenti | |
FR3122220A1 (fr) | Système d'alimentation en carburant liquide pour un moteur d’aéronef | |
CH512672A (fr) | Procédé et dispositif d'injection d'un combustible liquide dans un moteur à combustion interne | |
FR2768185A1 (fr) | Installation d'injection de carburant pour un moteur a combustion interne | |
FR2773593A1 (fr) | Systeme d'injection de carburant pour moteurs a combustion interne | |
FR2752268A1 (fr) | Dispositif d'amelioration de la dynamique d'injection de combustible pour les moteurs diesel equipes de pompes d'injection a debit pulse | |
FR2482670A1 (fr) | Injecteur de combustible | |
WO1998025026A1 (fr) | Dispositif de ralentissement d'ouverture et de reduction de fuite pour systemes d'injection a pression constante utilises sur moteurs diesel |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20041201 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CONTINENTAL AUTOMOTIVE ASNIERES FRANCE |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
RTI1 | Title (correction) |
Free format text: DEVICE AND PROCESS FOR CONTROLLING THE FLOW RATE OF A DIRECT INJECTION FUEL PUMP |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
REF | Corresponds to: |
Ref document number: 60329182 Country of ref document: DE Date of ref document: 20091022 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20100111 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091220 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 |
|
26N | No opposition filed |
Effective date: 20100610 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091210 |
|
BERE | Be: lapsed |
Owner name: CONTINENTAL AUTOMOTIVE ASNIERES FRANCE Effective date: 20100731 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100731 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20100708 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110201 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100731 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100731 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 60329182 Country of ref document: DE Effective date: 20110201 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100708 Ref country code: CZ Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100708 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100731 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100708 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100708 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20100310 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100708 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090909 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 14 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 15 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 16 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20210727 Year of fee payment: 19 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20220731 |