EP1555405A1 - Brennkraftmaschine - Google Patents
Brennkraftmaschine Download PDFInfo
- Publication number
- EP1555405A1 EP1555405A1 EP04028081A EP04028081A EP1555405A1 EP 1555405 A1 EP1555405 A1 EP 1555405A1 EP 04028081 A EP04028081 A EP 04028081A EP 04028081 A EP04028081 A EP 04028081A EP 1555405 A1 EP1555405 A1 EP 1555405A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- internal combustion
- combustion engine
- engine according
- balance shaft
- bearing
- 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 description 48
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000001747 exhibiting effect Effects 0.000 claims description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/06—Engines with means for equalising torque
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
- F01M2001/0253—Pressure lubrication using lubricating pumps characterised by the pump driving means
- F01M2001/0276—Pressure lubrication using lubricating pumps characterised by the pump driving means driven by a balancer shaft
Definitions
- the invention relates to an internal combustion engine with a device for balancing Mass effects, the at least one driven by a crankshaft balancer shaft has bearing balancing shaft housing.
- Such an internal combustion engine is known from US 55 35 643 A.
- the revealed there Internal combustion engine has a device for compensating for mass effects, the one Housing, which is located below a crankcase and within an oil pan is.
- the housing two drivable by the crankshaft balance shafts are housed.
- DE 100 07 660 A1 discloses a device for torque compensation for a Internal combustion engine with a housing which is attached to the internal combustion engine and having a bore for a balance shaft. To supply the internal combustion engine with oil, an oil pump is provided. The housing has a cavity in which the Oil pump is housed.
- An engine balancing unit designed for an engine with a cylinder block and a crankshaft is determined, with an attached to an underside of the cylinder block oil pan shows DE 198 51 547 A1, wherein in the oil pan a housing for supporting balance shafts with Balance weights is used.
- On one side of the oil pan is an oil pump with a Sprocket having pump shaft provided.
- the rotation of the crankshaft is by means of a chain on the sprocket to rotate and operate the oil pump.
- the rotation of the oil pump is the Further transmitted via a coupling to a first of the balance shafts, which Gears a second balancer shaft rotated.
- the invention is based on the object, an internal combustion engine of the aforementioned To provide a type with increased stiffness and reduced noise.
- the inventive design of the balance shaft housing as a bearing bridge to Connection of crankshaft bearing caps is the number of components and thus the number of Connecting points between the individual components of the internal combustion engine reduces what immediately results in an increase in stiffness. There is also a stiffening both of bearing blocks of the crankshaft bearings per se and a crankcase of the Internal combustion engine. In this way, the rigidity of the internal combustion engine as a whole be increased considerably. At the same time, those of the internal combustion engine itself at their Operation generated vibrations and thus the noise significantly reduced.
- a mechanical and, on the other hand, one takes place with the invention acoustically effective stiffening of the internal combustion engine with the result that the Durability increases and the noise level drops.
- the bearing bridge has lateral connection tabs, with the side walls are bolted to the crankcase.
- connection tabs in a for Axis of a cylinder of the internal combustion engine parallel direction pliable and in a for Crankshaft longitudinal axis parallel direction rigid Due to the flexible design of the Tie tabs in the direction parallel to the cylinder axis can be particularly good both Manufacturing tolerances balanced as well as different thermal expansions added become. At the same time prevents the rigid formation of the connection straps in the Crankshaft longitudinal axis parallel direction Lagerdeckelschwing12.
- the engine has two balance shafts having.
- the second Balancing shaft drivable by the first balance shaft.
- one of the two drives Balancing shafts an arranged on the balance shaft housing oil pump, in particular the second balance shaft.
- the oil pump in the power flow is the last component and prevents coupled via a gear transmission balancing shafts as a loader a rattling of the gears.
- balance shafts for example, by means of a chain or To couple toothed belt drive or via a spur gear transmission with each other.
- a run that is as quiet as possible and a high durability is advantageous, if according to another embodiment of the invention, the balance shafts over a helical gear transmission are interconnected.
- the oil pump is a transmission upstream, the one speed of the oil pump driving balance shaft in the slow translated.
- the efficiency of the oil pump is increased.
- crankcase in Consists essentially of an aluminum alloy the term essentially means in that some, a lower volume fraction constituents such as Example bearing bushes of the crankcase can be made of a different material.
- a lower volume fraction constituents such as Example bearing bushes of the crankcase
- the bearing bridge 4 connects bearing cap 8 of crankshaft bearings, not shown here Crankshaft and is with the bearing caps 8 to a crankcase 10 of the internal combustion engine 1 by means of bearing cap screws 12 and hexagonal screws 14 attached.
- the camp bridge 4 are mounted two balance shafts 16, 18, which has a mounted on the crankshaft Sprocket 20, a chain 22 and a mounted on the first balance shaft 16 second Sprocket 24 are driven.
- the balance shafts 16, 18 are located with balancing weights with their emphasis in the middle of the internal combustion engine 1 and in the same Center distance from the crankshaft center.
- the housing cover 6 is provided with collar bolts 26 on the Bearing bridge 4 attached. The exact position of the housing cover 6 to the bearing bridge. 4 forming housing lower part is ensured by means of dowel sleeves 28.
- the first balance shaft 16 is radially mounted at four bearing points 30, 32, 34, 36, the second Balance shaft 18 at three bearings 38, 40, 42.
- the bearings of the balance shafts 16, 18 consist of plain bearings, wherein the balance shafts 16, 18 due to the of them achievable high speeds (up to 13,600 1 / min) in bearings 44 and bushings 46, 48 are embedded.
- the plain bearings are made of oil via channels not shown here supplied to the crankcase 10. These channels run both in the bearing bridge 4 as well in the housing cover 6.
- a mounted on the first balancer shaft 16 first helical gear 50 forms together with a mounted on the second balance shaft 18 second helical gear 52, a first gear stage via which the second balancer shaft 18 is driven with one of the first balancer shaft 16 corresponding speed.
- thrust bearings Due to the helical gearing of the first gear stage arise at their gears 50, 52nd not only radial forces, but also axial forces, which are additional, not here in detail shown thrust bearing to be collected.
- the thrust bearings are located on both sides the helical gears 50, 52, the respective mating surfaces are located on the Bearing bridge 4 and the housing cover 6. Due to the axial bearing is a lateral Slipping (back and forth slide) and rattling of the balance shafts 16, 18 in Balancing shaft housing prevented.
- FIG 2 is a partial view of the internal combustion engine 1 in an assembled design shown.
- the balance shaft housing 64 is closed here, the housing cover 6 is with the collar bolts 26 screwed onto the bearing bridge 4, which in turn with the Hex screws 14 on side walls 66, 68 of the crankcase 10 is screwed.
- the bearing bridge 4 lateral connection straps 70, through which the Pass through hexagon screws 14.
- connection tabs 70 are in one to the axis a cylinder of the internal combustion engine 1 parallel direction, exemplified by a straight line 72, flexible and in parallel to the crankshaft longitudinal axis Direction, exemplified by a straight line 74, rigid.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
- Fig. 1
- eine Teilansicht einer erfindungsgemäßen Brennkraftmaschine in Explosionsdarstellung und in
- Fig. 2
- die Brennkraftmaschine nach Figur 1 in einer weiteren, perspektivischen Teilansicht.
Claims (11)
- Brennkraftmaschine mit einer Vorrichtung zum Ausgleich von Massenwirkungen, die ein zumindest eine von einer Kurbelwelle antreibbare Ausgleichswelle lagerndes Ausgleichswellengehäuse aufweist, wobei insbesondere eine von der Ausgleichswelle antreibbare und an dem Ausgleichswellengehäuse angeordnete Ölpumpe vorgesehen ist, dadurch gekennzeichnet, dass zumindest ein Teil des Ausgleichswellengehäuses (64) als Lagerdeckel (8) von Kurbelwellenlagern verbindende Lagerbrücke (4) ausgebildet ist.
- Brennkraftmaschine nach Anspruch 1, dadurch gekennzeichnet, dass das Ausgleichswellengehäuse (64) ein Verbindungen zu den Lagerdeckeln (8) aufweisendes, die Lagerbrücke (4) bildendes Gehäuseunterteil und ein als Gehäusedeckel (6) ausgebildetes Gehäuseoberteil besitzt.
- Brennkraftmaschine nach zumindest einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Lagerbrücke (4) Lagerdeckel (8) aller Kurbelwellenlager untereinander und mit einem Kurbelgehäuse (10) verbindet.
- Brennkraftmaschine nach zumindest einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Lagerbrücke (4) an Seitenwände (66, 68) des Kurbelgehäuses (10) angebunden ist.
- Brennkraftmaschine nach Anspruch 4, dadurch gekennzeichnet, dass die Lagerbrücke (4) seitliche Anbindungslaschen (70) aufweist, die mit den Seitenwänden (66, 68) des Kurbelgehäuses (10) verschraubt sind.
- Brennkraftmaschine nach Anspruch 5, dadurch gekennzeichnet, dass die Anbindungslaschen (70) in einer zur Achse eines Zylinders der Brennkraftmaschine (1) parallelen Richtung biegeweich und in einer zur Kurbelwellenlängsachse parallelen Richtung biegesteif sind.
- Brennkraftmaschine nach zumindest einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass eine zweite, von der ersten Ausgleichswelle (16) antreibbare Ausgleichswelle (18) angeordnet ist.
- Brennkraftmaschine nach Anspruch 7, dadurch gekennzeichnet, dass die Ausgleichswellen (16, 18) über ein schrägverzahntes Zahnradgetriebe miteinander verbunden sind.
- Brennkraftmaschine nach zumindest einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass eine Ölpumpe (54) von einer Ausgleichswelle (16, 18) antreibbar ist.
- Brennkraftmaschine nach Anspruch 9, dadurch gekennzeichnet, dass der Ölpumpe (54) ein Getriebe vorgeschaltet ist, das eine Drehzahl der die Ölpumpe (54) antreibenden Ausgleichswelle (18) ins Langsame übersetzt.
- Brennkraftmaschine nach zumindest einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Kurbelgehäuse (10) im Wesentlichen aus einer Aluminiumlegierung besteht.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004002277 | 2004-01-16 | ||
| DE102004002277A DE102004002277A1 (de) | 2004-01-16 | 2004-01-16 | Brennkraftmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1555405A1 true EP1555405A1 (de) | 2005-07-20 |
| EP1555405B1 EP1555405B1 (de) | 2010-04-14 |
Family
ID=34609580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04028081A Expired - Lifetime EP1555405B1 (de) | 2004-01-16 | 2004-11-26 | Brennkraftmaschine |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1555405B1 (de) |
| AT (1) | ATE464460T1 (de) |
| DE (2) | DE102004002277A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008021528A1 (de) * | 2008-04-30 | 2009-11-05 | Ford Global Technologies, LLC, Dearborn | Baugruppe für eine Brennkraftmaschine mit einer oberen Kurbelgehäusehälfte, einer Ölwanne und einer Trägerstruktur |
| FR2987869A1 (fr) * | 2012-03-09 | 2013-09-13 | Renault Sa | Moteur thermique comportant un element interne d'appui integre a une crepine de pompe a huile |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009025453B4 (de) * | 2009-06-10 | 2019-12-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Ausgleichswellenmodul |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3824553C1 (en) * | 1988-07-20 | 1989-02-02 | Daimler-Benz Ag, 7000 Stuttgart, De | Crankshaft bearing for an internal combustion engine |
| US5535643A (en) * | 1993-11-12 | 1996-07-16 | General Motors Corporation | Anti-rattle engine balancer which drives associated oil pump |
| EP0916833A2 (de) * | 1997-11-13 | 1999-05-19 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Antriebsanordnung für eine Ausgleichsvorrichtung II. Ordnung für eine Hubkolben-Brennkraftmaschine |
| DE10007660A1 (de) * | 2000-02-19 | 2001-08-30 | Daimler Chrysler Ag | Vorrichtung zum Momentenausgleich für eine Brennkraftmaschine |
-
2004
- 2004-01-16 DE DE102004002277A patent/DE102004002277A1/de not_active Withdrawn
- 2004-11-26 AT AT04028081T patent/ATE464460T1/de not_active IP Right Cessation
- 2004-11-26 DE DE502004011028T patent/DE502004011028D1/de not_active Expired - Lifetime
- 2004-11-26 EP EP04028081A patent/EP1555405B1/de not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3824553C1 (en) * | 1988-07-20 | 1989-02-02 | Daimler-Benz Ag, 7000 Stuttgart, De | Crankshaft bearing for an internal combustion engine |
| US5535643A (en) * | 1993-11-12 | 1996-07-16 | General Motors Corporation | Anti-rattle engine balancer which drives associated oil pump |
| EP0916833A2 (de) * | 1997-11-13 | 1999-05-19 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Antriebsanordnung für eine Ausgleichsvorrichtung II. Ordnung für eine Hubkolben-Brennkraftmaschine |
| DE10007660A1 (de) * | 2000-02-19 | 2001-08-30 | Daimler Chrysler Ag | Vorrichtung zum Momentenausgleich für eine Brennkraftmaschine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008021528A1 (de) * | 2008-04-30 | 2009-11-05 | Ford Global Technologies, LLC, Dearborn | Baugruppe für eine Brennkraftmaschine mit einer oberen Kurbelgehäusehälfte, einer Ölwanne und einer Trägerstruktur |
| DE102008021528B4 (de) * | 2008-04-30 | 2013-10-31 | Ford Global Technologies, Llc | Baugruppe für eine Brennkraftmaschine mit einer oberen Kurbelgehäusehälfte, einer Ölwanne und einer Trägerstruktur |
| FR2987869A1 (fr) * | 2012-03-09 | 2013-09-13 | Renault Sa | Moteur thermique comportant un element interne d'appui integre a une crepine de pompe a huile |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502004011028D1 (de) | 2010-05-27 |
| EP1555405B1 (de) | 2010-04-14 |
| ATE464460T1 (de) | 2010-04-15 |
| DE102004002277A1 (de) | 2005-08-11 |
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