FI123868B - internal combustion engine - Google Patents
internal combustion engine Download PDFInfo
- Publication number
- FI123868B FI123868B FI20075345A FI20075345A FI123868B FI 123868 B FI123868 B FI 123868B FI 20075345 A FI20075345 A FI 20075345A FI 20075345 A FI20075345 A FI 20075345A FI 123868 B FI123868 B FI 123868B
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- FI
- Finland
- Prior art keywords
- fuel
- för
- combustion engine
- internal combustion
- styrenheten
- Prior art date
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Classifications
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
-
- 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
- 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
- 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
-
- 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
- F02M59/10—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 the piston-drive
- F02M59/107—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 the piston-drive pneumatic drive, e.g. crankcase pressure drive
-
- 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
- F02M59/38—Pumps characterised by adaptations to special uses or conditions
- F02M59/42—Pumps characterised by adaptations to special uses or conditions for starting of engines
-
- 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
-
- 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
-
- 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
- F02M63/0265—Pumps feeding common rails
- F02M63/027—More than one high pressure pump feeding a single common rail
-
- 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
- F02M2200/60—Fuel-injection apparatus having means for facilitating the starting of engines, e.g. with valves or fuel passages for keeping residual pressure in common rails
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
Polttomoottori koneInternal combustion engine machine
Keksintö kohdistuu polttomoottorikoneeseen, joka on varustettu yh-teispaineruiskutusjärjestelmällä polttoaineen ruiskuttaniiseksi polttomoottoriko-5 neen palamistiloihin, ensimmäisellä polttoaineen syöttöväylällä raskasöljyn syöttämiseksi polttoainesäiliöstä ohjaimeen, jolloin ensimmäiseen polttoaineen syöttöväylään polttoainesäiliön ja ohjaimen välillä on kytketty matalapaine-pumppu ja suurpainepumppu, ja toiseen, samoin ohjaimeen johtavaan polttoaineen syöttöväylään kytketty laite ohjaimessa vallitsevan paineen korottami-10 seksi polttomoottorikoneen esisäädetyssä käyttötavassa, erityisesti ennen sen käynnistämistä.The invention relates to a combustion engine machine equipped with a common-rail injection system for injecting fuel into a combustion engine combustion chamber, a first fuel supply line for supplying heavy oil from a fuel tank to a fuel pump and to a first fuel supply line. a coupled device for increasing the pressure in the controller in a predetermined mode of operation of the internal combustion engine, particularly prior to starting it.
Asiakirjasta DE 101 55 381 A1 on tunnettu yhteispaineruiskutuksella varustettu polttomoottorikone. Ruiskutusjärjestelmän niin kutsuttuun ohjaimeen on syötettävissä polttoainetta ensimmäisen polttoaineen syöttöväylän kautta, 15 jolloin ensimmäinen polttoaineen syöttöväylä kulkee ohjaimen ja polttoainesäiliön välissä ja jolloin ensimmäiseen polttoaineen syöttöväylään on kytketty ma-talapainepumppu sekä suurpainepumppu. Asiakirjan DE 101 55 381 A1 mukaan siinä julkistettu polttomoottorikone käsittää lisäksi laitteen ohjaimessa vallitsevan paineen korottamiseksi polttomoottorikoneen esisäädetyssä käyttötavas-20 sa, jolloin ohjaimessa vallitsevan paineen korottamiseksi oleva laite on kytketty toiseen, samoin ohjaimeen johtavaan polttoaineen syöttöväylään. Toinen polttoaineen syöttöväylä kulkee tällöin ensimmäisen polttoaineen syöttöväylän suuntaisesti, ts. molemmat polttoaineen syöttöväylät saavat alkunsa samasta polttoainesäiliöstä ja johtavat samaan ohjaimeen.DE 101 55 381 A1 discloses a known internal combustion engine with common-rail injection. Fuel can be supplied to the so-called controller of the injection system via a first fuel supply path, the first fuel supply path running between the controller and the fuel tank, and a low pressure pump and a high pressure pump are connected to the first fuel supply path. According to DE 101 55 381 A1, the internal combustion engine disclosed therein further comprises a device for increasing the pressure in the controller in a preset operating mode of the internal combustion engine, wherein the device for increasing the pressure in the controller is connected to another fuel supply pathway to the controller. The second fuel supply path then passes parallel to the first fuel supply path, i.e., both fuel supply paths originate from the same fuel tank and lead to the same controller.
25 Tästä lähtien esillä oleva keksintö perustuu ongelmaan luoda uuden- lainen polttomoottorikone.From now on, the present invention is based on the problem of creating a new type of internal combustion engine.
5 Keksinnön ensimmäisen näkökohdan mukaan tämä ongelma ratkais ee ^ taan patenttivaatimuksen mukaisella polttomoottorikoneella. Tämän mukaan ° ohjaimessa vallitsevan paineen korottamiseksi oleva laite on kytketty toiseen O) ° 30 polttoaineen syöttöväylään ohjaimen ja dieselpolttoainetta varten olevan lisäpolt- | toainesäiliön väliin.According to a first aspect of the invention, this problem is solved by an internal combustion engine machine according to the claim. Accordingly, a device for increasing the pressure in the controller is connected to another O) ° 30 fuel feeder for the controller and auxiliary fuel for diesel fuel. between the tank.
Lo Keksinnön suoritusesimerkkejä selitetään lähemmin piirustuksen avulla olematta siihen rajoittunut.Examples of embodiments of the invention will be explained in more detail by way of the drawing, without being limited thereto.
o Tällöin esittää: o 00 35 kuvio 1 keksinnön mukaisen polttomoottorikoneen voimakkaasti yksin kertaistettu lohkokaaviota keksinnön ensimmäisen suoritusmuodon mukaan ja 2 kuvio 2 keksinnön mukaisen polttomoottorikoneen voimakkaasti yksinkertaistettua lohkokaaviota keksinnön toisen suoritusmuodon mukaan.Figure 1 shows a highly simplified block diagram of an internal combustion engine according to the invention according to a first embodiment of the invention and 2 shows a highly simplified block diagram of the internal combustion engine according to the invention according to a second embodiment of the invention.
Tässä esillä oleva keksintö kohdistuu yhteispaineruiskutusjärjestel-mällä varustettuun polttomoottorikoneeseen polttoaineen ruiskuttamiseksi polt-5 tomoottorikoneen palamistiloihin.The present invention relates to a combustion engine machine with a common-rail injection system for injecting fuel into the combustion spaces of a combustion engine machine.
Kuviossa 1 esitetyssä, tässä esillä olevan keksinnön ensimmäisessä suoritusesimerkissä keksinnön mukaisen polttomoottorikoneen yhteispaineruis-kutusjärjestelmä käsittää ohjaimen 10, jolloin ohjaimeen 10 voidaan syöttää polttoainesäiliössä valmiina pidettyä polttoainetta ensimmäisen polttoaineen syöt-10 töväylän 12 kautta, nimittäin ensimmäiseen polttoaineen syöttöväylään 12 integroidun matalapainepumpun 13 sekä suurpainepumpun 14 kautta.In the first embodiment of the present invention shown in Figure 1, the common rail injection system of an internal combustion engine according to the invention comprises a guide 10, whereby the fuel 10 .
Kuvion 1 mukaan polttomoottorikone käsittää ohjaimessa vallitsevan paineen korottamiseksi olevan laitteen 15polttomoottorikoneen esisäädetyssä käyttötavassa, erityisesti ennen tämän käynnistämistä, jolloin laite 15 on integ-15 roitu toiseen samoin ohjaimeen 10 johtavaan polttoaineen syöttöväylään 16. Kuvion 1 mukaan toinen polttoaineen syöttöväylä 16 kulkee ohjaimen 10 ja lisä-polttoainesäiliön 17 välissä.According to Figure 1, the internal combustion engine comprises a device 15 for increasing the pressure in the controller in a preset mode of operation of the internal combustion engine, in particular prior to starting, wherein the device 15 is integrated into a second fuel inlet 16 and between the fuel tank 17.
Kuviossa 1 havainnollistettu keksinnön mukaisen polttomoottorikoneen konsepti on erityisesti silloin eduksi, kun polttomoottorikonetta käytetään raskaalla 20 polttoöljyllä. Polttoainesäiliössä 11, jota voidaan nimittää myös ensiöpoltto-ainesäiliöksi, pidetään valmiina polttoaineena raskasta polttoöljyä. Lisäpoltto-ainesäiliössä 17 sitä vastoin, jota voidaan nimittää myös toisiopolttoainesäili-öksi, pidetään valmiina tässä tapauksessa polttoaineena edullisesti dieseliä, niin että toista polttoaineen syöttöväylää 16 varten ei tarvita kuumennuslaitetta. 25 Tässä esillä olevan keksinnön toisen suoritusesimerkin mukaisen polt- tomoottorikoneen konseptia esittää kuvio 2, jolloin kuvion 2 konseptin mukaan 5 polttomoottorikone käsittää yhteispaineruiskutusjärjestelmän, jolloin ohjaimeenThe concept of the internal combustion engine of the invention illustrated in Figure 1 is particularly advantageous when the internal combustion engine is operated with heavy fuel oil. Fuel tank 11, which may also be referred to as a primary fuel tank, is considered to be heavy fuel oil as a finished fuel. In contrast, in the auxiliary fuel tank 17, which may also be referred to as a secondary fuel tank, the finished fuel is preferably diesel in this case, so that no heating device is required for the second fuel supply pathway 16. The concept of the combustion engine machine according to the second exemplary embodiment of the present invention is illustrated in Figure 2, wherein according to the concept of Figure 2, the internal combustion engine comprises a common rail injection system, wherein
C\JC \ J
^ 18 voidaan syöttää polttoainesäiliössä 19 valmiina pidettyä polttoainetta jälleen ° ensimmäisen polttoaineen syöttöväylän 20 kautta, johon on kytketty matala an ° 30 painepumppu 21 sekä suurpainepumppu 22.The fuel 18 stored in the fuel tank 19 can be fed again through the first fuel supply line 20 to which a low pressure pump 21 and a high pressure pump 22 are connected.
| Kuvion 2 mukaisessa polttomoottorikoneessa käytetään samoin kuten| The internal combustion engine of Figure 2 is used in the same manner as
Lo kuvion 1 polttomoottorikoneessa ohjaimessa vallitsevan paineen korottamisek- si olevaa laitetta 23 polttomoottorikoneen esisäädetyssä käyttötavassa, jolloin o laite 23 puolestaan on kytketty toiseen polttoaineen syöttöväylään 24. Kuvion 2 00 35 suoritusesimerkissä toinen polttoaineen syöttöväylä 24 haarautuu ensimmäises tä polttoaineen syöttöväylästä 20 matalapainepumpun 21 ja suurpainepumpun 3 22 välillä, ohjaimessa vallitsevan paineen korottamiseksi oleva laite 23 on tämän mukaisesti kytketty ohjaimen 18 ja matalapainepumpun 21 väliin.The device 23 for increasing the pressure in the controller in the combustion engine machine 23 in the preset mode of operation of the combustion engine, in turn, the device 23 is connected to the second fuel supply path 24. The second fuel supply path 22 and the sometimes, the device 23 for increasing the pressure in the controller is accordingly coupled between the controller 18 and the low pressure pump 21.
Kuvion 2 mukaisen polttomoottorikoneen konsepti on erityisesti silloin eduksi, kun polttomoottorikonetta käytetään dieselillä, kun siis ainoassa poltto-5 ainesäiliössä 19 pidetään valmiina dieselpolttoainetta. Kuvion 2 konsepti on kuitenkin käytettävissä myös raskaalla polttoöljyllä käytetyissä polttomoottoriko-neissa.The concept of the internal combustion engine of Figure 2 is particularly advantageous when the internal combustion engine is powered by diesel, when diesel fuel is kept in the sole fuel 5 tank 19. However, the concept of Figure 2 is also applicable to internal combustion engine machines used with heavy fuel oil.
Ohjaimessa vallitsevan paineen korottamiseksi olevassa laitteessa kysymyksessä on edullisesti toimiyksikkö, kuten jo on tunnettua asiakirjasta DE 10 101 55 381 A1.The device for increasing the pressure in the controller is preferably an actuator unit, as is already known from DE 10 101 55 381 A1.
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Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006040466A DE102006040466A1 (en) | 2006-08-29 | 2006-08-29 | Internal-combustion engine, has servo unit inserted into fuel supply path between rail and additional fuel tank for increasing pressure controlled in rail in given operation before starting engine |
DE102006040466 | 2006-08-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20075345A0 FI20075345A0 (en) | 2007-05-14 |
FI20075345A FI20075345A (en) | 2008-03-01 |
FI123868B true FI123868B (en) | 2013-11-29 |
Family
ID=38069512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20075345A FI123868B (en) | 2006-08-29 | 2007-05-14 | internal combustion engine |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2008057532A (en) |
KR (1) | KR20080020450A (en) |
CN (1) | CN101135287A (en) |
DE (1) | DE102006040466A1 (en) |
FI (1) | FI123868B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8191534B2 (en) * | 2008-02-28 | 2012-06-05 | General Electric Company | High viscosity fuel injection pressure reduction system and method |
KR20120135535A (en) * | 2009-06-16 | 2012-12-14 | 맨 디젤 앤드 터보 필리얼 아프 맨 디젤 앤드 터보 에스이 티스크랜드 | A large turbocharged two-stroke diesel engine running on a fuel mixture of two or more fuel components |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3011376A1 (en) * | 1980-03-25 | 1981-10-01 | Motoren-Werke Mannheim AG, vorm. Benz Abt. stat. Motorenbau, 6800 Mannheim | Injection system for dual fuel diesel engine - has main injector with adjustable pressure divider for pilot injection (BR 11.8.81) |
DE19753155A1 (en) * | 1997-11-29 | 1999-06-02 | Mannesmann Rexroth Ag | Fuel supply system for an internal combustion engine and high pressure pump used therein |
DE19823335C2 (en) * | 1998-05-26 | 2001-05-31 | Elsbett G | Injection system for operation with different fuels |
DE10154455A1 (en) * | 2001-11-06 | 2003-05-15 | Dietmar Gentsch | Dual fuel system for diesel engine has separate tanks, fuel filters and high-pressure pumps feeding injectors or common rail system |
DE10155381A1 (en) * | 2001-11-10 | 2003-05-28 | Mtu Friedrichshafen Gmbh | Internal combustion engine with common rail injection system, has device for increasing rail pressure in defined mode as servo unit in second fuel feed path parallel to first from fuel tank to rail |
DE10351507A1 (en) * | 2003-11-05 | 2005-06-02 | Robert Bosch Gmbh | Process for operating a fuel system of an internal combustion engine, especially with direct fuel injection, comprises performing conveying strokes using a differential piston of pressure-generating device during start phase of the engine |
JP2006077643A (en) * | 2004-09-08 | 2006-03-23 | Toyota Motor Corp | Fuel injection device for internal combustion engine |
DE202005017387U1 (en) * | 2005-11-04 | 2006-02-02 | Sellentin, Alexander | Fuel supply mechanism for e.g. boat`s diesel engine, has fuel injection pump supplying fuel to nozzle, and three tanks provided for diesel fuel, for vegetable oil and fat and for receiving mixture of diesel fuel, oil and fat, respectively |
-
2006
- 2006-08-29 DE DE102006040466A patent/DE102006040466A1/en not_active Withdrawn
-
2007
- 2007-05-14 FI FI20075345A patent/FI123868B/en not_active IP Right Cessation
- 2007-05-29 KR KR1020070051859A patent/KR20080020450A/en not_active Application Discontinuation
- 2007-08-24 JP JP2007218060A patent/JP2008057532A/en active Pending
- 2007-08-29 CN CNA2007101483061A patent/CN101135287A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102006040466A1 (en) | 2008-03-06 |
FI20075345A (en) | 2008-03-01 |
CN101135287A (en) | 2008-03-05 |
JP2008057532A (en) | 2008-03-13 |
FI20075345A0 (en) | 2007-05-14 |
KR20080020450A (en) | 2008-03-05 |
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