EP1496244B1 - Ein Motor mit einer Kraftstoffpumpe mit einer Spülungsfähigkeit - Google Patents
Ein Motor mit einer Kraftstoffpumpe mit einer Spülungsfähigkeit Download PDFInfo
- Publication number
- EP1496244B1 EP1496244B1 EP04015709A EP04015709A EP1496244B1 EP 1496244 B1 EP1496244 B1 EP 1496244B1 EP 04015709 A EP04015709 A EP 04015709A EP 04015709 A EP04015709 A EP 04015709A EP 1496244 B1 EP1496244 B1 EP 1496244B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- engine according
- disposed
- chamber
- supply line
- linked
- 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.)
- Revoked
Links
Images
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
- 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
- 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
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
-
- 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
- F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
-
- 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
- F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
- F02M39/02—Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives
-
- 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
- F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
-
- 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
- F02M59/44—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
- F02M59/442—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 means preventing fuel leakage around pump plunger, e.g. fluid barriers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Definitions
- the invention relates to an engine, in particular a large diesel engine, with a plurality, arranged in at least one row behind the other cylinder and associated therewith, in at least one row successively arranged injection pumps, which are associated with at least a portion of the injection pump row continuous, stacked supply and disposal lines and their housing each containing a peripheral, connectable to the pump roomforcerauman für für für technik and from this radially outwardly outgoing, one above the other arranged connection channels, one of which communicates with the supply line and one with the disposal line.
- the neutrrauman extract includes an undivided annulus, both of which go to the supply line and the disposal line leading connection channels. In this case, therefore, there may be a short-circuit flow between the two, closely spaced connection channels, so that an intensive flushing of the annular space with fresh fuel is omitted. The result of this is that the fuel in the annulus is too warm, which can lead to coking of the injector.
- the document FR652624 discloses a fuel pump with a fuel supply and a fuel discharge and two annular storage spaces, wherein a first storage space with the fuel supply and a second is directly associated with the fuel discharge.
- the consumerrauman emblem contains two superimposed annular spaces, each of which is assigned to the supply line or disposal line leading connection channel and the diametrically opposite in the connection channels peripheral region are interconnected by at least one overflow.
- the cross section of the annulus connected to the relief line may be expediently larger than the cross section of the annular space connected to the supply line. This can be expected particularly favorable temperature conditions.
- a further advantageous measure may be that the upper annular space of the superposed annular spaces is connected to the discharge line. This advantageously allows a very compact design.
- the pump chamber can be connected to the upper annular space. With this, optimum injection temperatures can be achieved.
- the overflow is offset from the circumferential position of the connection channels by exactly 180 °. This measure results in a virtually symmetrical arrangement with the greatest possible distance of the overflow from the connection channels, which has a favorable effect on the rinsing effect.
- Main field of application of the present invention are provided with injection pumps large engines, such as large diesel engines, as they are used for marine propulsion or power plant drives, etc.
- injection pumps large engines such as large diesel engines, as they are used for marine propulsion or power plant drives, etc.
- the basic structure and the mode of action of such arrangements are known per se.
- the indicated in Figure 1 large diesel engine includes a plurality, here six, in series successively arranged cylinder 1, each of which an injection pump 2 is assigned.
- the cylinders 1 associated injection pumps 2 are also arranged in series one behind the other. From each injection pump 2, an injection line 3 leads to at least one respectively assigned injection nozzle 4.
- the injection pumps 2, which are arranged in series one behind the other, are supplied with fuel via a supply line 5 that runs through the entire pump row.
- the excess fuel is removed via a likewise over the entire pump series continuous disposal line 6.
- the supply line 5 comes from a supply pump not shown here and ends at the last injection pump 2 of the associated series.
- the disposal line 6 starts at the first injection pump 2 of the associated row and leads to a fuel tank, not shown.
- the supply line 5 and disposal line 6 are provided on the side facing away from the cylinders 1 side of the arranged next to the cylinders 1 injection pumps 2 and arranged in parallel one above the other.
- the supply line 5 and disposal line 6 suitably contain from injection pump 2 to injection pump 2 leading pipe sections 5a and 6a, which, as best seen in Figure 2 can be connected to hereby aligned through holes 7, 8 a projection 9 of the pump housing of the injection pump 2 can be connected.
- the supply line 5 has in addition to the leading from injection pump 2 to injection pump 2 pipe sections 5a another leading to the first injection pump pipe section.
- the disposal line 6 on the other hand still has an additional, leading away from the last injection pump 2 pipe section.
- the pipe sections 5 a of the supply line 5 and 6 a of the disposal line 6 are expediently connectable by means of a plug connection with the pump housing side projections 9.
- the injection pumps 2 each have, as Figure 3 shows, a two-part pump housing with two cylindrical parts 10, 11 comprising each other.
- the inner cylinder part 10 contains the pump chamber 12 which is bounded by a trained and drivable in a known manner stamp 13.
- the outer cylinder part 11 contains the projection 9 provided with the through-bores 7, 8 belonging to the supply line 5 or disposal line 6.
- the pump chamber 12 is associated with a circumferential fuelmerauman emblem, which is formed by provided in the region of the joint between the inner cylinder part 10 and the outer cylinder part 11 recesses.
- This fuelplanrauman Mr consists of two superimposed annular spaces 14, 15 which are connected by superimposed, radial connection channels 16, 17 with the supply line 5 associated hole 7 and the disposal line 6 associated hole 8 and the one by a same circumferential position having, arranged one above the other connecting channels 16, 17 about diametrically opposite overflow 18 communicate with each other. Is appropriate the overflow 18 with respect to the connection channels 16, 17 offset by exactly 180 °.
- the lower annular space 14 and the upper annular space 15 are expediently sealed off from one another by a sealing ring 19 arranged in a peripheral groove of the inner cylinder part 10 and resting against the inner circumference of the outer cylinder part 11.
- the lower annular space 14 is connected via the associated connection channel 16 to the supply line 5 belonging to the bore 7 of the housing-side projection 9 of the outer cylinder part 10.
- the upper annular space 15 is connected via the associated connection channel 17 to the disposal line 6 associated with hole 8 of the projection 9.
- the connection channels 16, 17 can open directly into the associated bore 7 and 8 respectively.
- the transitions are designed as inflow or outflow throttle 20 or 21.
- the connection channels 16, 17 engaging hollow screws are provided, which are provided with the said restrictors forming radial bores.
- the upper, communicating with the disposal line 6 annulus 15 has in the example shown a larger cross-section than the lower, communicating with the supply line 5 annular space 14 and is connected via a radial, controllable by the punch 13 bore 22 of the inner cylinder part 10 with the pump chamber 12.
- the cross section of the lower, communicating with the supply line 5 annular space 14 corresponds approximately, preferably exactly the cross section of the overflow 18th
- the stamp 13 associated, the pump chamber 12 forming bore of the inner cylinder part 10 is provided with a below the lowest position of the peripheral control edges of the punch 13 arranged, circumferential leakage groove 23, which avoids that fuel in the the injection pump 2 associated drive means containing engine compartment arrives.
- This leakage groove 23 is connected by an oblique tap hole 24 with the upper, communicating with the disposal line 6 annular space 15, in which a lower pressure level is present, as in the lower, input side annular space 14.
- the tap hole 24 passes radially within the sealing ring 19 over, so that resulting in a space-saving arrangement and a slim design.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10331188A DE10331188B4 (de) | 2003-07-10 | 2003-07-10 | Motor |
DE10331188 | 2003-07-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1496244A1 EP1496244A1 (de) | 2005-01-12 |
EP1496244B1 true EP1496244B1 (de) | 2006-04-26 |
Family
ID=33441698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04015709A Revoked EP1496244B1 (de) | 2003-07-10 | 2004-07-03 | Ein Motor mit einer Kraftstoffpumpe mit einer Spülungsfähigkeit |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1496244B1 (zh) |
KR (1) | KR100992056B1 (zh) |
CN (1) | CN100406715C (zh) |
DE (2) | DE10331188B4 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102564047A (zh) * | 2012-02-27 | 2012-07-11 | 合肥美的荣事达电冰箱有限公司 | 冰箱及钢丝搁架 |
DE102013220600A1 (de) | 2013-10-11 | 2015-04-16 | Continental Automotive Gmbh | Steckpumpe für ein Common-Rail-System und Motoranordnung mit einem Verbrennungsmotor, einem Common-Rail-System und einer Steckpumpe |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE366414C (de) * | 1919-10-25 | 1923-01-05 | Ballot Sa Des Ets | Brennstoffpumpe |
FR652624A (fr) * | 1927-04-15 | 1929-03-11 | Genebale D Etudes Ind General | Pompe perfectionnée pour injecter du combustible liquide dans les moteurs à combustion interne |
GB288645A (en) * | 1927-04-15 | 1929-01-17 | Ind General Res Corp Soc Gen E | A new or improved pump for injecting liquid fuel into internal combustion engines |
DE501250C (de) * | 1927-04-15 | 1930-07-02 | Ind General Res Corp Soc Anony | Brennstoffeinspritzpumpe fuer Verbrennungskraftmaschinen |
US2041422A (en) | 1933-08-07 | 1936-05-19 | L Orange Rudolf | Fuel pump for internal combustion engines |
GB441873A (en) * | 1933-08-07 | 1936-01-27 | Rudolf L Orange | Improvements in fuel pumps for internal-combustion engines |
GB443691A (en) * | 1934-09-20 | 1936-03-04 | Rudolf L Orange | Improvements in fuel injection pumps |
DE735206C (de) * | 1936-06-17 | 1943-05-08 | Rudolf L Orange Dipl Ing | Kolbenpumpe zum Einspritzen von Brennstoff |
DE843763C (de) * | 1942-08-19 | 1952-07-14 | Bosch Gmbh Robert | Einspritzpumpe fuer Brennkraftmaschinen |
US4222717A (en) * | 1978-10-06 | 1980-09-16 | Caterpillar Tractor Co. | Fuel injection pump |
JP3757006B2 (ja) * | 1996-10-03 | 2006-03-22 | ヤンマー株式会社 | 燃料噴射弁 |
DE19717494A1 (de) * | 1997-04-25 | 1998-10-29 | Bosch Gmbh Robert | Kraftstoffeinspritzpumpe der Verteilerbauart |
DE10000876A1 (de) * | 2000-01-12 | 2001-07-19 | Deutz Ag | Kraftstoffsystem einer Brennkraftmaschine |
-
2003
- 2003-07-10 DE DE10331188A patent/DE10331188B4/de not_active Expired - Fee Related
-
2004
- 2004-06-08 KR KR1020040041659A patent/KR100992056B1/ko active IP Right Grant
- 2004-07-03 DE DE502004000465T patent/DE502004000465D1/de active Active
- 2004-07-03 EP EP04015709A patent/EP1496244B1/de not_active Revoked
- 2004-07-12 CN CNB2004100635896A patent/CN100406715C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
DE502004000465D1 (de) | 2006-06-01 |
DE10331188B4 (de) | 2006-07-20 |
KR20050007118A (ko) | 2005-01-17 |
DE10331188A1 (de) | 2005-02-17 |
EP1496244A1 (de) | 2005-01-12 |
CN1576569A (zh) | 2005-02-09 |
KR100992056B1 (ko) | 2010-11-05 |
CN100406715C (zh) | 2008-07-30 |
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