EP1340893B1 - Hubkolben-Brennkraftmaschine - Google Patents
Hubkolben-Brennkraftmaschine Download PDFInfo
- Publication number
- EP1340893B1 EP1340893B1 EP03001925A EP03001925A EP1340893B1 EP 1340893 B1 EP1340893 B1 EP 1340893B1 EP 03001925 A EP03001925 A EP 03001925A EP 03001925 A EP03001925 A EP 03001925A EP 1340893 B1 EP1340893 B1 EP 1340893B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- crankshaft
- cylinders
- internal combustion
- combustion engine
- cylinder
- 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.)
- Expired - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 37
- 230000006835 compression Effects 0.000 description 14
- 238000007906 compression Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00
- F01B9/02—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with crankshaft
-
- 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
- F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
- F02B75/048—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable crank stroke length
-
- 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
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
- F02B75/228—Multi-cylinder engines with cylinders in V, fan, or star arrangement with cylinders arranged in parallel banks
Definitions
- the publication DE 43 12 954 A1 discloses a reciprocating internal combustion engine, which with a device for variable Compression of the mixture is equipped in the combustion chamber.
- This variable compression device comprises an upper, pivotally connected to the piston connecting rod and a lower, pivotally connected to the crankshaft cross lever. The two parts are connected by a joint. In another joint on the cross lever engages a control lever on whose position is variably adjustable. By a change in position the control lever also becomes the pivot point adjusted between cross lever and connecting rod.
- This can be different kinematic relationships with different upper and lower dead centers of the piston in the cylinder Internal combustion engine can be adjusted without this one Change in the design dimensions of the piston, the connecting rod or a crankpin would be required on the crankshaft.
- this internal combustion engine is about an elaborate device because the cylinders are side by side arranged rows of cylinders each have a cross lever with each assigned to a control lever and the cross lever as well Control levers arranged on opposite sides and each to be operated by separate control devices. It is therefore at least two actuators on opposite Pages required, which is a high constructive Expenses required. In addition, this device builds relatively large, since for the adjusting devices respectively Space reserved in the opposite side areas must become.
- the invention is based on the problem, a garumblede Reciprocating internal combustion engine with two rows of cylinders with variable to create adjustable compression ratio.
- the reciprocating internal combustion engine according to the invention agreed the advantages of a double-row internal combustion engine with parallel arranged rows of cylinders with the advantages of a variable Compression.
- the two rows of cylinders of the reciprocating internal combustion engine are arranged in such a way to each other, that the cylinder longitudinal axes of the cylinder from the first row of cylinders and the second row of cylinders run parallel or include only a small angle, in particular is less than 10 ° and may be for example 5 °.
- the kinematics for the variable adjustment of the compression ratio includes a cross lever as a transfer link between the connecting rod and the crankshaft, which is transverse to the crankshaft longitudinal axis is arranged. This will be the opportunity opened that despite the approximately parallel orientation of the cylinder the first and second row of cylinders the connecting rods each Piston in a movement between top and bottom dead center at each position of the variable setting device the compression ratio only by a relative pivoted small angle relative to the cylinder axis must be because the coupling point between the connecting rod and cross lever expedient approximately on an extension the cylinder longitudinal axis is located.
- the lateral offset between cylinder longitudinal axis and crankshaft is bridged by means of the cross lever.
- crankshaft in the manner in Regarding the two rows of cylinders is arranged, that the Crankshaft longitudinal axis between the cylinder longitudinal axes of the cylinder the first and second row of cylinders is located.
- the crankshaft is in particular symmetrical or slightly asymmetrical below the first and second row of cylinders. In this arrangement is the crankshaft of the pistons of both rows of cylinders uniformly applied force, with the power transmission between the connecting rods and the crankshaft via the cross lever.
- each piston of the internal combustion engine is one Assigned cross lever.
- each cross lever of an associated, adjustable Control lever is acted upon.
- this is the linkage the control lever on the traverse on the connecting rod facing away Page to choose.
- eccentric shaft As an alternative to an eccentric shaft come other options for adjusting the control lever into consideration. These can be controlled electrically, pneumatically or hydraulically. The use of cam gears is also possible.
- the reciprocating internal combustion engine 1 shown in FIG. 1 has two cylinder banks or rows 2 and 3, which are parallel to each other are arranged.
- the cylinders 2a, b, c of the first row of cylinders 2 are to the cylinders 3a, b, c of the second cylinder bank 3 aligned in parallel so that the cylinder axes of all Cylinder of the internal combustion engine 1 run parallel.
- the two rows of cylinders 2 and 3 are separated by a separation. 4 separated, which runs in the longitudinal direction of the internal combustion engine.
- the cylinders 2a, b, c of the first cylinder bank 2 are opposite the cylinders 3a, b, c of the second row of cylinders 3 in the longitudinal direction the internal combustion engine staggered. hereby results between adjacent cylinders of the two rows of cylinders an offset 1, measured between the cylinder longitudinal axes 10 and 11 of the cylinders.
- the offset 1, the less than The radius r of each cylinder can be obtained in particular due to the smaller design without intermediate cheeks on the hub bearings.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Transmission Devices (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
- Fig. 1
- eine Draufsicht auf eine Hubkolben-Brennkraftmaschine mit zwei nebeneinander liegenden Zylinderreihen bzw. -bänken, wobei die Zylinder der ersten und der zweiten Zylinderreihe relativ zueinander in Längsrichtung verschoben sind,
- Fig. 2
- einen Schnitt gemäß Schnittlinie II-II aus Fig. 1,
- Fig. 3
- einen Schnitt gemäß Schnittlinie III-III aus Fig. 1.
Claims (6)
- Hubkolben-Brennkraftmaschine, mit zwei nebeneinander liegenden Zylinderreihen (2, 3) mit jeweils mindestens zwei Zylindern (2a, 2b, 2c, 3a, 3b, 3c) und mit jeweils einem in den Zylindern verschieblich angeordneten Kolben (19, 20), der mit jeweils einem Pleuel (12, 13) gelenkig gekoppelt ist, dessen Bewegung auf eine Kurbelwelle (5) übertragen wird, wobeidadurch gekennzeichnet, dass die Steuerhebel (16, 17), welche Querhebeln (14, 15) benachbarter Zylinder der ersten und zweiten Zylinderreihe (2, 3) zugeordnet sind, auf der gleichen Seite der Brennkraftmaschine (1) liegen und von einem gemeinsamen Betätigungsorgan (18) beaufschlagt werden.die Pleuel (12, 13) von Kolben (19, 20) benachbarter Zylinder der ersten und zweiten Zylinderreihe (2, 3) auf gegenüberliegenden Seiten der Kurbelwellenlängsachse (9) mit jeweils einem quer zur Kurbelwellenlängsachse (9) angeordneten Querhebel (14, 15) gekoppelt sind, der zwischen Pleuel (12, 13) und Kurbelwelle (5) angeordnet ist, und jeder Querhebel (14, 15) auf seiner dem Pleuel (12, 13) abgewandten Seite von einem verstellbaren Steuerhebel (16, 17) beaufschlagt ist,die beiden Zylinderreihen (2, 3) in der Weise zueinander angeordnet sind, dass die Zylinderlängsachsen (10, 11) von Zylindern der ersten und der zweiten Zylinderreihe (2, 3) zumindest annähernd parallel verlaufen,die Kurbelwellenlängsachse (9) zwischen den Zylinderlängsachsen (10, 11) der Zylinder der ersten und zweiten Zylinderreihe (2, 3) liegt,
- Hubkolben-Brennkraftmaschine nach Anspruch 1,
dadurch gekennzeichnet, dass die Zylinder (2a, 2b, 2c) der ersten Zylinderreihe (2) gegenüber den Zylindern (3a, 3b, 3c) der zweiten Zylinderreihe (3) in Richtung der Kurbelwellenlängsachse (9) verschoben sind. - Hubkolben-Brennkraftmaschine nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass die Querhebel (14, 15) benachbarter Zylinder aus der ersten und zweiten Zylinderreihe (2, 3) innerhalb eines gemeinsamen Kurbelwellenabschnittes zwischen zwei benachbarten Grundlagern (6a, 6b, 6c, 6d) liegen, in denen die Kurbelwelle (5) gelagert ist. - Hubkolben-Brennkraftmaschine nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass zwischen zwei Hubzapfen (7, 8), die auf der Kurbelwelle (5) angeordnet sind, ein weiteres Grundlager liegt. - Hubkolben-Brennkraftmaschine nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass die zwei Hubzapfen (7, 8) in gleichem oder unterschiedlichem radialen Abstand (a1, a2) zur Kurbelwellenlängsachse (9) auf der Kurbelwelle (5) angeordnet sind, wobei die beiden Hubzapfen (7, 8) die Querhebel (14, 15) benachbarter Zylinder der ersten und zweiten Zylinderreihe (2, 3) beaufschlagen. - Hubkolben-Brennkraftmaschine nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass als Betätigungsorgan zumindest eine Exzenterwelle (18) vorgesehen ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10208510 | 2002-02-27 | ||
| DE10208510A DE10208510A1 (de) | 2002-02-27 | 2002-02-27 | Hubkolben-Brennkraftmaschine |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1340893A2 EP1340893A2 (de) | 2003-09-03 |
| EP1340893A3 EP1340893A3 (de) | 2004-01-02 |
| EP1340893B1 true EP1340893B1 (de) | 2005-06-22 |
Family
ID=27675071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03001925A Expired - Lifetime EP1340893B1 (de) | 2002-02-27 | 2003-01-30 | Hubkolben-Brennkraftmaschine |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6761137B2 (de) |
| EP (1) | EP1340893B1 (de) |
| JP (1) | JP2003269200A (de) |
| DE (2) | DE10208510A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6938589B2 (en) * | 2002-11-07 | 2005-09-06 | Powervantage Engines, Inc. | Variable displacement engine |
| DE102005054760A1 (de) * | 2005-11-17 | 2007-05-31 | Daimlerchrysler Ag | Hubkolbenbrennkraftmaschine mit veränderlichem Verdichtungsverhältnis |
| GB2575257B (en) | 2018-07-02 | 2020-11-04 | Caterpillar Energy Solutions Gmbh | Apparatus for positioning a connecting rod relative to components underlying a cylinder of an engine block |
| DE102018006977B4 (de) * | 2018-09-04 | 2020-07-09 | Daniel Kropp | Motor mit variablem Totpunkt |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR607215A (fr) * | 1925-12-01 | 1926-06-28 | Chambre de compression variable | |
| GB353986A (en) * | 1930-05-27 | 1931-08-06 | Henri Kundig | Improvements in a variable and regulatable compression chamber for internal combustion or other engines |
| US1901263A (en) * | 1930-07-04 | 1933-03-14 | Ruud Otto Severin | Internal combustion engine |
| US2062209A (en) * | 1934-02-03 | 1936-11-24 | David F Cook | Internal combustion engine |
| US2909164A (en) * | 1955-07-01 | 1959-10-20 | Arnold E Biermann | Multi-cylinder internal combustion engines |
| DE1800780A1 (de) * | 1968-10-03 | 1970-07-23 | Daimler Benz Ag | Motorenbaureihe von Mehrzylinder-Zweireihen-Kurbelwellenmotoren |
| US4270495A (en) * | 1979-05-31 | 1981-06-02 | General Motors Corporation | Variable displacement piston engine |
| GB2249131A (en) * | 1990-10-24 | 1992-04-29 | Ford Motor Co | Variable compression ratio i.c. engine |
| DE4312954A1 (de) * | 1993-04-21 | 1994-10-27 | Ifa Motorenwerke Nordhausen Gm | Kinematik an Kolbenhubmaschine |
| AU6284794A (en) * | 1993-12-28 | 1995-07-17 | Emilio Galiano Garcia | Internal combustion beam engine |
| JPH09228858A (ja) * | 1996-02-24 | 1997-09-02 | Hondou Jutaku:Kk | レシプロエンジン |
| US5758611A (en) * | 1997-04-15 | 1998-06-02 | Collins; Imack L. | Flex-rod |
-
2002
- 2002-02-27 DE DE10208510A patent/DE10208510A1/de not_active Withdrawn
-
2003
- 2003-01-30 EP EP03001925A patent/EP1340893B1/de not_active Expired - Lifetime
- 2003-01-30 DE DE50300668T patent/DE50300668D1/de not_active Expired - Fee Related
- 2003-02-25 US US10/373,892 patent/US6761137B2/en not_active Expired - Fee Related
- 2003-02-26 JP JP2003050143A patent/JP2003269200A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE10208510A1 (de) | 2003-09-11 |
| JP2003269200A (ja) | 2003-09-25 |
| US20030159664A1 (en) | 2003-08-28 |
| DE50300668D1 (de) | 2005-07-28 |
| EP1340893A2 (de) | 2003-09-03 |
| US6761137B2 (en) | 2004-07-13 |
| EP1340893A3 (de) | 2004-01-02 |
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