EP1608869A1 - Brennkraftmaschine mit einem speichereinspritzsystem - Google Patents
Brennkraftmaschine mit einem speichereinspritzsystemInfo
- Publication number
- EP1608869A1 EP1608869A1 EP04718200A EP04718200A EP1608869A1 EP 1608869 A1 EP1608869 A1 EP 1608869A1 EP 04718200 A EP04718200 A EP 04718200A EP 04718200 A EP04718200 A EP 04718200A EP 1608869 A1 EP1608869 A1 EP 1608869A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- internal combustion
- combustion engine
- pressure
- engine according
- cylinders
- 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
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 34
- 238000002347 injection Methods 0.000 title claims abstract description 32
- 239000007924 injection Substances 0.000 title claims abstract description 32
- 239000000446 fuel Substances 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 101100495769 Caenorhabditis elegans che-1 gene Proteins 0.000 claims 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- 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
- F02M63/023—Means for varying pressure in common rails
- F02M63/0235—Means for varying pressure in common rails by bleeding fuel pressure
- F02M63/025—Means for varying pressure in common rails by bleeding fuel pressure from the 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
- 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
- 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
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—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
- 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
- F02M59/08—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 two or more pumping elements with conjoint outlet or several pumping elements feeding one engine cylinder
-
- 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
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- 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
Definitions
- the invention relates to an internal combustion engine with an injection system, which is designed as a high-pressure storage system, at least one high-pressure pump being connected via a high-pressure supply line to a tubular high-pressure accumulator, which has connecting pieces to which high-pressure lines are connected, the valve-controlled flow connections to the cylinder head of the internal combustion engine produce the injection valves used, which protrude into the working spaces formed by the cylinders, the pistons and the cylinder head.
- Such an internal combustion engine is known from DE 199 365 34 A1.
- This internal combustion engine has a tubular high-pressure accumulator that is attached to the internal combustion engine.
- the peculiarity of this tubular high-pressure accumulator is that a continuous connection strip is molded onto the high-pressure accumulator, or connecting sockets are molded on that are so wide that the bores for connecting the high-pressure lines can be positioned at various points on the connection sockets. This should enable the use of a high-pressure storage blank for similar internal combustion engines.
- the invention has for its object to provide an internal combustion engine with a high-pressure storage system in which the variety of parts is small with a simple assembly of the injection system.
- This object is achieved in that the connecting pieces are arranged laterally offset with respect to the associated injection valves, and in that the absolute measure of the offset is the same for all injection valves in a row of cylinders of the internal combustion engine.
- connection piece related to the associated injection valves, which are each provided with an electrically operated control block and are preferably inserted in the center of the associated cylinders in the preferably common cylinder head of the cylinders of a row of cylinders, enables problem-free assembly of the components of the injection system, since For example, the injection valves with the high-pressure line connections, which may be led out laterally from the cylinder head, and the tubular high-pressure accumulator are first installed, and then the corresponding high-pressure lines between the injection valves or the high-pressure line connections and the high-pressure accumulator system can be easily retrofitted due to the lateral offset of the connections.
- the high-pressure storage system is arranged in close proximity to the injection valves in order to keep the length of the high-pressure lines short in order to create a hydraulically rigid injection system. Because the absolute measure of the offset is the same for all cylinders of a cylinder bank and in particular corresponds to the distance between the injection valves in the cylinder head, the injection lines can at least all be of the same length. This is advantageous for tuning the injection system.
- the offset in at least one cylinder on the end is arranged differently from the orientation of the offset in the other cylinders. This configuration ensures that the high-pressure storage system is compact and in particular does not extend beyond a row of cylinders.
- two differently shaped high-pressure lines are available for the cylinder bank of the internal combustion engine. This is the case if the injection valves are provided with a lateral high-pressure line connection and this is pivoted through an angle to the transverse axis of the cylinder head. If the high-pressure line connection is aligned exactly transversely to the longitudinal axis of the cylinder head, in an alternative embodiment all high-pressure lines can be shaped identically.
- the at least one high-pressure pump is inserted close to the cylinder head into a housing, preferably the crankcase of the internal combustion engine, and is actuated by an injection pump cam which is arranged on the gas exchange camshaft of the internal combustion engine.
- two high-pressure pumps adjacent to one another at a distance, are assigned to adjacent cylinders. This means that compact, inexpensive high-pressure pumps can be used. Furthermore, the use of two high-pressure pumps makes the pressure build-up in the high-pressure accumulator more uniform.
- the high-pressure supply lines which connect the high-pressure pumps to the high-pressure accumulator are of identical design. This also minimizes the amount of components involved.
- a control block for controlling or regulating the one to be set in the high-pressure accumulator Fuel pressure arranged on the input side of the at least one high pressure pump.
- the control block is arranged next to the one high-pressure pump or between the two high-pressure pumps.
- the control block can be integrated in the console of the fuel filter. This design provides a very compact injection device.
- the single figure shows an overall view of the essential components of the storage injection system according to the invention.
- fuel is delivered from a fuel tank, not shown, via an inlet line 2 into the console 3 of a fuel filter 4 in a cup design.
- the fuel is introduced into a control block 6 via a feed line 5.
- the control block 6 contains a pressure regulating valve and a zero delivery throttle which continuously discharges a small amount of fuel, the amount of fuel discharged from the pressure control valve and the zero delivery throttle being discharged into a return line 9.
- the pressure control valve is used to determine the quantity of fuel to be supplied to the two high-pressure pumps 7a, 7b via a supply line 8.
- Fuel to be shut off is returned to the console 3 of the fuel filter 4 via the return line 9.
- the high-pressure pumps 7a, 7b are connected to a tubular high-pressure accumulator 11 via high-pressure supply lines 10a, 10b of the same design.
- connecting pieces 12a, 12b, 12c, 12d, 12e, 12f are provided on the high-pressure accumulator, to which high-pressure lines 13a, 13b, 13c, 13d, 13e, 13f are attached, which are connected to injection valves or high-pressure line connections, not shown.
- the high-pressure accumulator 11 is fastened to the internal combustion engine, in particular to the cylinder head, by means of fastenings 14a, 14b, 14c.
- the high-pressure accumulator 11 has a connection for a pressure sensor 15 and, opposite, a connection for a control line 16, which is connected to the return line 9.
- a pressure limiting valve 17 is connected upstream of the connection for the control line 16.
- the high-pressure pumps 7a, 7b are inserted directly into the crankcase of the internal combustion engine and have roller tappets 18 which roll on injection pump cams which are arranged on the camshaft of the internal combustion engine between the gas exchange cams of a cylinder unit.
- the gas exchange cams, the injection pump cam and the bearing areas of a cylinder unit connected to the gas exchange cams form a continuous unit without recesses.
- These high-pressure pumps 7a, 7b each have a plunger actuated by the roller tappet 18, which is designed without a control edge and thus always delivers a predetermined amount of fuel with a corresponding supply.
- the fuel pressure in the high-pressure accumulator 11 is controlled or regulated by the pressure regulating valve of the control block 6 by controlling the amount of fuel supplied to the high-pressure pumps 7a, 7b.
- the control block 6 is arranged between the high-pressure pumps 7a, 7b. In an alternative embodiment, this control block 6 can also be integrated into the console 3 of the fuel filter 4.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10314029A DE10314029A1 (de) | 2003-03-28 | 2003-03-28 | Brennkraftmaschine mit einem Speichereinspritzsystem |
DE10314029 | 2003-03-28 | ||
PCT/EP2004/002312 WO2004085830A1 (de) | 2003-03-28 | 2004-03-06 | Brennkraftmaschine mit einem speichereinspritzsystem |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1608869A1 true EP1608869A1 (de) | 2005-12-28 |
EP1608869B1 EP1608869B1 (de) | 2007-02-28 |
Family
ID=32946285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04718200A Expired - Lifetime EP1608869B1 (de) | 2003-03-28 | 2004-03-06 | Brennkraftmaschine mit einem speichereinspritzsystem |
Country Status (7)
Country | Link |
---|---|
US (1) | US7377263B2 (de) |
EP (1) | EP1608869B1 (de) |
CN (1) | CN1761814B (de) |
AT (1) | ATE355456T1 (de) |
BR (1) | BRPI0408901B1 (de) |
DE (2) | DE10314029A1 (de) |
WO (1) | WO2004085830A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4629724B2 (ja) * | 2007-12-20 | 2011-02-09 | 三菱自動車工業株式会社 | インジェクタの取付け構造 |
GB0803908D0 (en) * | 2008-03-03 | 2008-04-09 | Delphi Tech Inc | Fuel delivery system |
GB2463256B (en) * | 2008-09-05 | 2012-10-31 | Gm Global Tech Operations Inc | Fuel injection apparatus for internal combustion engines |
WO2010075904A1 (en) * | 2008-12-05 | 2010-07-08 | Gm Global Technology Operations, Inc. | Fuel injection apparatus for internal combustion engines |
DE102009051065B3 (de) * | 2009-10-28 | 2011-01-20 | Benteler Automobiltechnik Gmbh | Kraftstoffverteiler |
EP2690281A1 (de) * | 2012-07-23 | 2014-01-29 | Continental Automotive GmbH | Kraftstoffleistenanordnung |
DE102014223060A1 (de) * | 2014-11-12 | 2016-05-12 | Robert Bosch Gmbh | Brennstoffeinspritzanlage und Brennstoffspeicher für Brennstoffeinspritzanlagen |
DE102014223062A1 (de) * | 2014-11-12 | 2016-05-12 | Robert Bosch Gmbh | Brennstoffeinspritzanlage und Brennstoffspeicher einer Brennstoffeinspritzanlage |
JP7035577B2 (ja) * | 2018-02-02 | 2022-03-15 | マツダ株式会社 | エンジンの燃料供給装置 |
EP3983663A4 (de) * | 2019-07-31 | 2023-06-14 | Cummins, Inc. | Modulare und skalierbare leistenkraftstoffsystemarchitektur |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69200427T2 (de) * | 1991-04-04 | 1995-02-16 | Toyota Motor Co Ltd | Kraftstoffeinspritzvorrichtung einer Brennkraftmaschine. |
DE19641952C5 (de) * | 1996-10-11 | 2005-06-02 | Daimlerchrysler Ag | Kraftstofführung für eine mehrzylindrige Brennkraftmaschine mit Aufnahmebohrungen für Steckpumpen |
DE19731643A1 (de) | 1997-07-23 | 1998-09-10 | Daimler Benz Ag | Hochdruckeinspritzsystem für eine Zylinderbänke aufweisende Dieselbrennkraftmaschine |
GB9727421D0 (en) * | 1997-12-30 | 1998-02-25 | Perkins Ltd | Apparatus and method for connecting a fuel pressure tube to a fuel injector of an internal combustion engine |
JP3695213B2 (ja) * | 1999-04-02 | 2005-09-14 | いすゞ自動車株式会社 | コモンレール式燃料噴射装置 |
DE19936534A1 (de) | 1999-08-03 | 2001-03-01 | Bosch Gmbh Robert | Kraftstoffhochdruckspeicher |
EP1101931B1 (de) | 1999-11-19 | 2006-08-30 | CRT Common Rail Technologies AG | Hochdruckeinspritzsystem mit Common Rail |
DE10045280C2 (de) | 2000-09-13 | 2003-10-02 | Orange Gmbh | Schwerölbetriebene Großkolben-Brennkraftmaschine |
JP4442048B2 (ja) | 2001-04-12 | 2010-03-31 | トヨタ自動車株式会社 | 内燃機関の高圧燃料供給装置 |
JP4032383B2 (ja) * | 2002-09-25 | 2008-01-16 | 臼井国際産業株式会社 | 燃料レール及び燃料レール用主管並びにこれらの製造方法 |
US6827065B2 (en) * | 2003-04-08 | 2004-12-07 | General Motors Corporation | Diesel injection system with dual flow fuel line |
-
2003
- 2003-03-28 DE DE10314029A patent/DE10314029A1/de not_active Withdrawn
-
2004
- 2004-03-06 DE DE502004003042T patent/DE502004003042D1/de not_active Expired - Lifetime
- 2004-03-06 CN CN2004800072748A patent/CN1761814B/zh not_active Expired - Fee Related
- 2004-03-06 BR BRPI0408901-4A patent/BRPI0408901B1/pt not_active IP Right Cessation
- 2004-03-06 WO PCT/EP2004/002312 patent/WO2004085830A1/de active IP Right Grant
- 2004-03-06 AT AT04718200T patent/ATE355456T1/de not_active IP Right Cessation
- 2004-03-06 EP EP04718200A patent/EP1608869B1/de not_active Expired - Lifetime
- 2004-03-06 US US10/550,570 patent/US7377263B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO2004085830A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE10314029A1 (de) | 2004-10-07 |
CN1761814A (zh) | 2006-04-19 |
EP1608869B1 (de) | 2007-02-28 |
ATE355456T1 (de) | 2006-03-15 |
BRPI0408901A (pt) | 2006-03-28 |
BRPI0408901B1 (pt) | 2013-04-02 |
DE502004003042D1 (de) | 2007-04-12 |
CN1761814B (zh) | 2011-04-27 |
US7377263B2 (en) | 2008-05-27 |
US20060185649A1 (en) | 2006-08-24 |
WO2004085830A1 (de) | 2004-10-07 |
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