CN101532454A - Fuel supply apparatus for internal combustion engine - Google Patents
Fuel supply apparatus for internal combustion engine Download PDFInfo
- Publication number
- CN101532454A CN101532454A CN200910129010A CN200910129010A CN101532454A CN 101532454 A CN101532454 A CN 101532454A CN 200910129010 A CN200910129010 A CN 200910129010A CN 200910129010 A CN200910129010 A CN 200910129010A CN 101532454 A CN101532454 A CN 101532454A
- Authority
- CN
- China
- Prior art keywords
- fuel
- pressure
- overflow
- sparger
- facility
- 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.)
- Pending
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Classifications
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- 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
-
- 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
-
- 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
- F02M63/02—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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/18—Fuel-injection apparatus having means for maintaining safety not otherwise provided for
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention relates to a fuel supply device for an internal combustion engine, comprising a low-pressure region and a pump device, wherein a pressure storage system with a storage unit and under high pressure is arranged between the pump device and an injector in the high-pressure region, the pressure storage system is connected with the pump device through a high-pressure fuel pipeline under high pressure, and is connected with the injector through a high-pressure fuel pipeline under high pressure according to an injection period, and a switch member is arranged at the high pressure according to the injection period and supplies fuel to the injector. According to the invention, the overflow device and the injector cooperate in such a way that, when the switch is opened, an overflow quantity of fuel flowing through the high-pressure fuel line leading to the injector can be conducted into an overflow chamber which can be opened and closed by the overflow device, and a bypass quantity of fuel is fed to the overflow device via a bypass line branching off from the high-pressure fuel line leading to the injector with a delay in such a way that, after the injector is opened, the bypass quantity of fuel conducted via the bypass line displaces the overflow device in such a way that the overflow quantity of fuel is conducted out of the overflow chamber and fed to the low-pressure region.
Description
Technical field
The present invention relates to a kind of fuel facility, be the joint-track type fuel facility by claim 1 internal-combustion engine as described in the preamble.
Background technique
DE 101 57 135 B4 disclose a kind of internal-combustion engine, promptly use the marine diesel oil internal-combustion engine of heavy oil operation, and it has a plurality of cylinders, and wherein each cylinder all is furnished with the sparger of joint-track type fuel facility.Fuel can be ejected in each cylinder of internal-combustion engine by sparger.Joint-track type fuel facility by DE 10,157 135 B4 comprises the pump-unit with a plurality of high-pressure service pumps, so that fuel is transported to its zone of high pressure from the low pressure area of joint-track type fuel facility, wherein in the zone of high pressure, is being provided with the pressure storage system that is in all the time under the high pressure between pump-unit and the sparger.It is described to press DE 101 57 135 B4, is in pressure storage system under the high pressure, that be also referred to as common rail all the time and has a plurality of storage unit and link to each other with pump-unit by the high-pressure fuel line that is in equally all the time under the high pressure.The high-pressure fuel line that the pressure storage system further is under the high pressure by according to injection cycle the time links to each other with sparger.The high-pressure fuel line that is in during according to injection cycle under the high pressure and connects sparger and pressure storage system is furnished with the switch member that is designed to No. 3/2 valve, switch member according to injection cycle to the sparger fuel supplying.It is described to press DE 101 57135 B4, and appearing at overflowing amount of leakage or overflowing fuel quantity on the switch member can discharge by throttle valve and pressure holding valve
Summary of the invention
Set out thus, technical problem to be solved by this invention is to create a kind of novel motor fuel supply equipment, the joint-track type fuel facility of promptly improveing.
This technical problem is by solving by the described fuel facility of claim 1.
According to the present invention, overflow mechanism and each sparger synergy, make and setting the overflowing fuel quantity and can be directed in the overflow chamber that closes and open by overflow mechanism of flowing through when opening towards the high-pressure fuel line of each sparger to the switch member of each sparger, wherein, the bypass fuel amount by the bypass line of going out from the high-pressure fuel line branch that leads to each sparger by the following overflow mechanism that lingeringly flows to, promptly, after each sparger is opened, the bypass fuel amount that derives by bypass line makes the overflow mechanism displacement, so that overflow the low pressure area that fuel facility could be derived and be transported to fuel quantity from the overflow chamber.
By in the fuel facility of the present invention, can come limited flow according to putting switching time.For this reason, overflow mechanism can carry out displacement by be applied to its pressure on one's body by the bypass fuel amount, so that will have the overflow chamber of overflowing fuel quantity to guide to the low pressure area of fuel facility after the overflow mechanism displacement at internal gathering at the beginning.At this, the bypass fuel amount can lingeringly be transported to overflow mechanism by bypass line, thereby can set up the pressure that is enough to open respective injectors at the very start.Displacement just takes place in overflow mechanism after sparger is opened, so that the low pressure area of overflow chamber and fuel facility is coupled together.
According to a kind of favourable remodeling of the present invention, in overflow mechanism, be integrated with pressurizer, wherein, after overflow mechanism is by the pressure displacement of being given birth to by the bypass fuel volume production, pressurizer just can be by heading on the spring force displacement that is provided by spring element by overflowing the pressure that fuel quantity produces, so that allow the overflow chamber to overflow fuel quantity and be connected with the low pressure area of fuel facility in order to derive.
Description of drawings
The present invention preferably retrofits and is drawn by dependent claims and following explanation.Embodiments of the invention describe in detail by accompanying drawing without restriction at this.Among the figure:
Fig. 1 has schematically shown in the sparger zone intercepting part by the zone of high pressure of internal-combustion engine joint-track type fuel facility of the present invention;
Fig. 2 is the detail drawing of the intercepting part of Fig. 1; And
Fig. 3 is another detail drawing of the intercepting part of Fig. 1.
Embodiment
The present invention relates to internal-combustion engine, especially use the joint-track type fuel facility of the marine diesel oil internal-combustion engine of heavy oil operation.The joint-track type fuel facility has low pressure area and zone of high pressure.
The zone of high pressure of joint-track type fuel facility comprises the pump-unit with at least one high-pressure service pump and has the pressure storage system of at least one storage unit, wherein, pump-unit is transported to fuel the zone of high pressure and passes through at least one high-pressure fuel line from low pressure area and is connected with the pressure storage system.
Pressure storage system and each high-pressure fuel line that pressure storage system and pump-unit couple together is under the high workload pressure all the time.Fuel can be ejected in the cylinder by sparger from the pressure storage system, and wherein, each sparger is connected with the pressure storage system by at least one high-pressure fuel line, and described high-pressure fuel line is under the high pressure during according to the injection cycle of internal-combustion engine.
Fig. 1 has schematically shown the intercepting part of the zone of high pressure in sparger 1 zone of joint-track type fuel facility, and the high-pressure fuel line 3 that sparger 1 is under the high pressure by according to the injection cycle of internal-combustion engine the time links to each other with the pressure storage system 2 that is also referred to as rail.
At this, high-pressure fuel line 3 is furnished with the switch member 4 that is designed to No. 3/2 valve in the embodiment shown, and wherein, switch member 4 discharges or flows by fuel by fuel conduit 3 according to the injection cycle of internal-combustion engine.Pressure storage system 2 links to each other with pump-unit by the high-pressure fuel line 5 that is in all the time under the high pressure.
In operating process, also just say when opening and closing, be described to overflow leakage rate overflow fuel quantity in the zone of switch member 4 through towards the high-pressure fuel line 3 of sparger 1 and import overflow chamber 6, wherein, overflow chamber 6 can be connected with the low pressure area of fuel facility by pipeline 7.
According to the present invention, be designed to the overflow mechanism 8 and sparger 1 mating reaction as follows of relief valve in the embodiment shown, promptly, overflow mechanism 8 makes overflow chamber 6 link to each other with the low pressure area of fuel facility or separates with it, that is to say, after sparger 1 is opened, unwanted bypass fuel amount can lingeringly be transported to overflow mechanism 8 by the bypass line 9 that branch from lead to the high-pressure fuel line 3 of sparger 1 comes out, thereby after sparger 1 is opened, the bypass fuel amount of discharging by bypass line 9 makes overflow mechanism 8 be indexed to position shown in Figure 2 from position shown in Figure 1, so that overflow chamber 6 links to each other with the low pressure area of fuel facility, and overflow fuel quantity can be from the overflow chamber 6 rows lead the low pressure area of fuel facility.
According to Fig. 1, bypass fuel pipeline 9 comes out in the downstream of switch member 4 branch from lead to the high-pressure fuel line 3 of sparger 1.Throttle valve 10 is integrated in the high-pressure fuel line 9, so as to provide sparger 1 open and overflow mechanism 8 displacements between time-delay.
In the illustrated embodiment, be based upon pressure on the overflow mechanism 8 by the bypass fuel amount and make overflow mechanism 8 that the spring force that provides by spring element 11 is provided to move, thereby make overflow chamber 6 overflow fuel quantity and be connected with the low pressure area of fuel facility in order to arrange to lead.
Correspondingly, when switch member 4 was opened, overflow mechanism 8 was in position shown in Figure 1, and overflow mechanism 8 is squeezed by spring element 11 and overflow chamber 6 is isolated with the low pressure area of fuel facility at this moment.
When opening, be also referred to as overflow leakage rate overflow flow through switch member 4 and accumulating in the overflow chamber 6 of fuel quantity.The system pressure that is provided by pressure storage system 2 is only for using on sparger 1, to be used to open the sparger 1 that is designed to injection valve.Bypass fuel amount 10 on the overflow element 8 is delayed time by bypass fuel pipeline 9, so that overflow element 8 is indexed to position shown in Figure 2 and makes overflow chamber 6 be connected with the low pressure area of fuel facility from position shown in Figure 1, led low pressure area by row and can be from the overflow chamber 6 flow out thereby overflow fuel quantity.Just can be the pressure that reduces smoothly in the overflow chamber of closing of switch member 4 thus.When spray suspending, overflow element 8 by spring element 11 from evolution shown in Figure 2 to position shown in Figure 1.
Therefore, importantly, open overflow mechanism 8 required pressure and be less than and open the required pressure of sparger 1, thereby under failure condition, when switch member 4 blow-by, can by sparger 1 leakage rate be ejected in the firing chamber of internal-combustion engine out of control.
Below with reference to a kind of preferred remodeling of Fig. 3 explanation by fuel facility of the present invention, wherein, Fig. 3 shows overflow mechanism 8 and the spring element 11 of Fig. 1 and 2.According to Fig. 3, be integrated with the pressurizer 12 that is designed to pressure holding valve in the overflow mechanism 8.Pressurizer 12 is installed in the cavity 13 of overflow mechanism 8 with spring element 14 at this.
So, when overflow mechanism 8 is released by moved to position shown in Figure 2 and pipeline 7 by the living pressure of the bypass fuel volume production that is transported to overflow mechanism 8 through bypass fuel pipeline 9, accumulate in overflowing fuel quantity and just can enter into the cavity 13 of overflow mechanism 8 and on pressurizer 12, make up pressure in the overflow chamber 6, the spring force displacement that can allow pressurizer 12 head on to provide by this pressure by spring element 14, thus in the end make overflow chamber 6 overflow fuel quantity and couple together with the low pressure area of fuel facility in order to discharge.
The pressurizer 12 that is designed to pressure holding valve this minute two-stage open.In the first order, the corresponding sealing seat that is provided by overflow mechanism 8 is provided pressurizer 12, disengages the minimum clearance amount of leakage subsequently between pressurizer 12 and overflow mechanism 8.This gap amount of leakage also is not enough to discharge from overflow chamber 6 overflowing leakage rate.
Therefore pressurizer 12 is further opened, and that is to say that the groove 15 in overflow mechanism 8 is released.Pressurizer 12 is once being regulated according to pressure then and was being moved back and forth, the pressure in overflow chamber 6 drop to pressurizer 12 cuts out once again fully till.During this stroke movement of pressurizer 12, do not provide mechanical backstop for it.But pressurizer 12 is subjected to hydraulic damping in both sides.
It should be appreciated that, open pressurizer 12 required pressure and be less than and open the required pressure of overflow mechanism 8.
Have a plurality of advantages by fuel facility of the present invention.Keep function so have pressure by fuel facility of the present invention, pressure keeps function to be characterised in that in 6 zones, overflow chamber and the pressure surge in the low pressure area at fuel facility reduces.And can reduce and overflow leakage rate or overflow fuel quantity.In the sparger zone, can and spray and realize higher pressure gradient when finishing at injection beginning.Even also can on sparger, realize the system pressure that provides by the pressure storage system when very little when load, thereby can reduce or improve system pressure for the preparation of optimizing fuel to be sprayed.In addition, can also reduce wear by the displacement that relaxes overflow mechanism and pressurizer.Pressurizer integrated in overflow mechanism can be realized the compact structure moulding.
Reference numerals list
1 injector
2 pressure storage systems
3 high-pressure fuel lines
4 switch member
5 high-pressure fuel lines
6 overflow chambers
7 pipelines
8 overflow mechanisms
9 bypass fuel pipelines
10 throttle valve
11 spring elements
12 pressurizers
13 cavitys
14 spring elements
15 grooves
Claims (8)
1. the fuel facility of internal-combustion engine, it is the joint-track type fuel facility, it has low pressure area, also has the pump-unit that comprises at least one high-pressure service pump, so that the low pressure area of fuel from fuel facility is transported to the zone of high pressure of fuel facility, wherein, in the zone of high pressure at described pump-unit with attach troops to a unit and have at least one storage unit and be in pressure storage system under the high pressure all the time in being provided with between the sparger of cylinder, and described pressure storage system links to each other with described pump-unit by the high-pressure fuel line that at least one is under the high pressure equally all the time, wherein, the high-pressure fuel line that described pressure storage system is under the high pressure by according to injection cycle the time links to each other with described sparger, and, be in during according to injection cycle under the high pressure, the high-pressure fuel line that described sparger and described pressure storage system couple together is furnished with according to the switch member of injection cycle to the sparger transfer the fuel, it is characterized by, overflow mechanism (8) and each sparger (1) synergy, make and setting to the switch member (4) of each sparger (1) the overflowing fuel quantity and can be directed in the overflow chamber (6) that can be closed and open of flowing through when opening towards the high-pressure fuel line (3) of each sparger (1) by overflow mechanism (8), and the bypass line (9) that the bypass fuel amount is come out by branch from lead to the high-pressure fuel line (3) of each sparger (1) is by the following overflow mechanism (8) that lingeringly is transported to, promptly, after each sparger (1) is opened, the bypass fuel amount that derives by bypass line (9) makes overflow mechanism (8) displacement so that overflow fuel quantity can be from the overflow chamber (6) derive and be transported to the low pressure area of described fuel facility.
2. by the described fuel facility of claim 1, it is characterized by, in described bypass line (9) integrated throttle valve (10).
3. by claim 1 or 2 described fuel facilitys, it is characterized by, by the bypass fuel amount be based upon pressure on the described overflow mechanism (8) make described overflow mechanism (8) head on by spring element (11) thus the spring force that provides moves and make overflow chamber (6) to overflow fuel quantity and couple together with the low pressure area of described fuel facility in order to derive.
4. by the described fuel facility of one of claim 1 to 3, it is characterized by, for opening the required pressure of described overflow mechanism (8) less than for opening the required pressure of each sparger (1).
5. by one of claim 1 to 4 described fuel facility, it is characterized by, described overflow mechanism (8) is a relief valve.
6. by one of claim 1 to 5 described fuel facility, it is characterized by, in described overflow mechanism (8) integrated pressurizer (12), wherein, after described overflow mechanism (8) is by the pressure displacement of being given birth to by the bypass fuel volume production, described pressurizer (12) can be by heading on by spring part (14) the spring force displacement is provided by overflowing pressure that fuel quantity produces, thereby make described overflow chamber (6) to overflow fuel quantity and couple together with the low pressure area of described fuel facility in order to derive.
7. by the described fuel facility of claim 6, it is characterized by, for opening the required pressure of described pressurizer (12) less than for opening the required pressure of described overflow mechanism (8).
8. by claim 6 or 7 described fuel facilitys, it is characterized in that described pressurizer (12) is a pressure holding valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008014250.6 | 2008-03-13 | ||
| DE102008014250A DE102008014250A1 (en) | 2008-03-13 | 2008-03-13 | Fuel supply system of an internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101532454A true CN101532454A (en) | 2009-09-16 |
Family
ID=40510216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910129010A Pending CN101532454A (en) | 2008-03-13 | 2009-03-13 | Fuel supply apparatus for internal combustion engine |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2009222056A (en) |
| KR (1) | KR20090098665A (en) |
| CN (1) | CN101532454A (en) |
| DE (1) | DE102008014250A1 (en) |
| FI (1) | FI20095215A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107835910A (en) * | 2015-05-15 | 2018-03-23 | 株式会社电装 | Overflow valve and the high-pressure pump for having used the overflow valve |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102177333B (en) * | 2008-10-10 | 2013-07-17 | 罗伯特·博世有限公司 | Fuel supply system for heavy oil common rail injection systems |
| DE102014105439B4 (en) * | 2014-04-16 | 2020-03-26 | Woodward L'orange Gmbh | Flow control valve for a dual fuel fuel injection system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9822653D0 (en) * | 1998-10-17 | 1998-12-09 | Lucas Ind Plc | Fuel system |
| DE10031570C2 (en) * | 2000-06-29 | 2002-09-26 | Bosch Gmbh Robert | Leakage reduced high pressure injector |
| DE10157135B4 (en) | 2001-11-21 | 2004-03-11 | Man B & W Diesel Ag | Fuel supply system in the form of a common rail system of an internal combustion engine with several cylinders |
| DE10164395A1 (en) * | 2001-12-28 | 2003-07-17 | Bosch Gmbh Robert | Fuel injection device for IC engine has leakage channel connecting control pressure space for valve piston to discharge bore |
| DE10245084A1 (en) * | 2002-09-27 | 2004-04-01 | Robert Bosch Gmbh | Pressure limiting device and fuel system with such a pressure limiting device |
| DE10335059A1 (en) * | 2003-07-31 | 2005-02-17 | Robert Bosch Gmbh | Switching valve for a fuel injector with pressure booster |
| JP4695453B2 (en) * | 2005-07-29 | 2011-06-08 | 株式会社豊田中央研究所 | Directional control valve |
| JP4613882B2 (en) * | 2006-06-01 | 2011-01-19 | 株式会社デンソー | Method for injecting fuel into a fuel injection valve |
| JP2008280958A (en) * | 2007-05-11 | 2008-11-20 | Denso Corp | Fuel injection valve |
-
2008
- 2008-03-13 DE DE102008014250A patent/DE102008014250A1/en not_active Withdrawn
-
2009
- 2009-01-15 KR KR1020090003290A patent/KR20090098665A/en not_active Application Discontinuation
- 2009-01-30 JP JP2009020012A patent/JP2009222056A/en not_active Ceased
- 2009-03-04 FI FI20095215A patent/FI20095215A/en not_active IP Right Cessation
- 2009-03-13 CN CN200910129010A patent/CN101532454A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107835910A (en) * | 2015-05-15 | 2018-03-23 | 株式会社电装 | Overflow valve and the high-pressure pump for having used the overflow valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009222056A (en) | 2009-10-01 |
| DE102008014250A1 (en) | 2009-09-17 |
| FI20095215A (en) | 2009-09-14 |
| KR20090098665A (en) | 2009-09-17 |
| FI20095215A0 (en) | 2009-03-04 |
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Open date: 20090916 |