WO2012126452A1 - Getriebeeinrichtung - Google Patents
Getriebeeinrichtung Download PDFInfo
- Publication number
- WO2012126452A1 WO2012126452A1 PCT/DE2012/000189 DE2012000189W WO2012126452A1 WO 2012126452 A1 WO2012126452 A1 WO 2012126452A1 DE 2012000189 W DE2012000189 W DE 2012000189W WO 2012126452 A1 WO2012126452 A1 WO 2012126452A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- eccentric
- drive
- freewheel
- drive rod
- input shaft
- 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.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H29/00—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action
- F16H29/02—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between one of the shafts and an oscillating or reciprocating intermediate member, not rotating with either of the shafts
- F16H29/04—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between one of the shafts and an oscillating or reciprocating intermediate member, not rotating with either of the shafts in which the transmission ratio is changed by adjustment of a crank, an eccentric, a wobble-plate, or a cam, on one of the shafts
Definitions
- the invention relates to a continuously variable transmission device, in particular for a drive train of an internal combustion engine-driven motor vehicle, comprising an input shaft with an input shaft rotation axis, an output shaft associated with the adjustable eccentric drive device, an output shaft with an output shaft rotation axis, one of the output shaft associated freewheel device and a connection device for driving connection of the eccentric drive device and the freewheel device at least one drive rod having an eccentric drive side first drive rod rotational axis, an eccentric drive side first drive rod eye, a rotational side second drive rod rotational axis and a freewheel side second drive rod eye having an adjustable first lever between the input shaft rotational axis and the first drive rod rotational axis and between the output shaft rotational axis and second n drive rod rotation axis, a second lever is formed.
- a continuously variable transmission is known with at least one driving shaft and a driven shaft which are drivingly connected to each other, using at least one provided on the driving shaft eccentric drive and provided on the driven shaft freewheel device, at least over a connecting element such as connecting rods, are interconnected, wherein the eccentric drive has a relation to the axis of rotation of the driving shaft eccentrically arranged guide portion on which an eccentric rotatable an eccentric member is mounted, on which in turn the connecting element is rotatably mounted to provide a continuously variable transmission, the can be produced in a particularly simple and rational way.
- a stout construction of the same is to be made possible by a structural design of the transmission and still large power transferable, so that use of the transmission in the drive train of a motor vehicle is possible.
- a structure should continue to ensure kinematics and dynamics of the transmission, which prevents free inertial forces or free moments due to reciprocating gear or machine parts in a simple manner.
- the transmission should continue to allow energy-saving operation of a motor vehicle.
- the invention has for its object to improve the efficiency of a transmission device mentioned above.
- Stepless transmissions allow a continuously variable transmission.
- a continuously variable transmission is a uniformly-transmitting transmission in which the ratio of the rotational speeds of the input shaft and the output shaft, the ratio, can take many values within a certain range. This can also include the standstill or the reversal of the direction of rotation of the output shaft.
- the continuously variable transmission can be arranged in a drive train of a motor vehicle between an internal combustion engine and a drive wheel.
- the input shaft of the transmission may be drive-connected to an output shaft of the internal combustion engine, in particular to a crankshaft.
- the output shaft of the transmission may be drive connected to a drive wheel.
- the first lever may be a crank.
- the length of the first lever may be adjustable by means of the eccentric drive device.
- the second lever may be a crank.
- the second lever may have a fixed length.
- the length of the second lever may be greater than the length of the first lever in its maximum length.
- the length of the second lever may be greater than the length of the first lever.
- the drive rod can be a connecting rod.
- a drive can be made from the input shaft via the first lever, the at least one drive rod and the second lever on the output shaft.
- the first lever can be significantly shorter than the second lever.
- the second lever may be shorter than the first lever in its maximum length.
- the drive rod can perform a combined translational and rotational movement during operation of the transmission device.
- the rod can serve to convert a rotary into an oscillating motion.
- the freewheel device can perform a reciprocating motion during operation of the transmission device.
- the transmission device may have a plurality of drive rods.
- the plurality of drive rods may be arranged in pairs.
- the freewheel device can have at least one freewheel.
- the freewheel device can have several freewheels.
- the freewheel device can take the output shaft when a peripheral speed of a freewheel is greater than a peripheral speed of the output shaft.
- the freewheels can take the output shaft offset in time.
- the freewheels can take the output shaft overlap in time.
- a freewheel can be a pinch roller freewheel.
- a freewheel can have an inner star.
- a freewheel may have pinch rollers.
- a freewheel may have an outer ring.
- a Freiiauf can be switched.
- a radius of the freewheel device may be a radius of the freewheels.
- a radial of the freewheels may be an inner radius of the inner stars. "Radial within the freewheel device” may in this case mean “radially within an inner radius of the inner stars.” In this case, "radial” refers to an axis of rotation of the freewheel device to the axis of rotation of the freewheel device vertical direction.
- the eccentric drive device may have a rotatable eccentric element.
- the eccentric element may be rotatable relative to the input shaft.
- the eccentric can have internal teeth.
- a tip circle of the internal toothing of the eccentric element can serve for the rotatable mounting of the eccentric element.
- the eccentric drive device may have a pinion shaft.
- the pinion shaft may have an external toothing.
- a tip circle of the external teeth of the pinion shaft can serve for the rotatable mounting of the pinion shaft.
- the external toothing of the pinion shaft can be adjusted with the internal toothing of the eccentric combing element elements.
- a rotation of the pinion shaft can cause a rotation of the eccentric element.
- a rotation of the pinion shaft or a rotation of the eccentric element can cause an extension or a shortening of the first lever.
- the second lever can be designed significantly shorter than in previously known constructions.
- a radial dimension of the freewheel device is not limiting.
- the adjustable first lever can also be made shorter.
- An adjustment range of the first lever may be smaller.
- the first lever may have a smaller maximum length.
- the eccentric drive device can be made smaller. A required space can be reduced. A weight can be reduced.
- the rolling bearing may have an inner ring.
- the rolling bearing may have an outer ring.
- the rolling bearing may have rolling elements.
- the rolling elements may be balls or rollers.
- the rolling bearing may be a ball bearing or a roller bearing. This reduces friction during operation. In particular, a starting torque is reduced. A lubricant requirement is reduced. A maintenance and care needs is reduced. A run-in period can be omitted. Standard bearings can be used.
- the second drive rod eye may have a larger diameter than the first drive rod eye.
- For a load capacity of the secondmaschinestangenauges is increased. It can be transmitted larger forces. Operational safety is increased.
- the second drive rod eye may have a larger diameter than the freewheel device.
- the freewheel device can be arranged radially within the secondmaschinestangenauges.
- An eccentric element can be arranged between the second drive rod eye and the freewheel device. This allows an eccentricity between the secondmaschinestangenauge and the freewheel device.
- the second drive rod rotational axis may be spaced from a rotational axis of the freewheel device. The distance between the second drive rod rotational axis and the rotational axis of the freewheel device may form the second lever. With the eccentric element, the second lever may be formed. The second lever can thus have a length compared to known constructions.
- the eccentric element may have an outer contour and an inner contour and the outer contour may be associated with the secondmaschinestangenauge and the inner contour of the freewheel device.
- the outer contour may have a cylindrical shape.
- the inner contour may have a cylindrical shape.
- the outer contour of the eccentric element can abut against an inner contour of the second drive rod eye.
- the inner contour of the eccentric element can rest on an outer contour of the freewheel device, in particular on an outer ring of a freewheel.
- the eccentric drive means may be adjustable between a first end position in which the first lever has a minimum length of zero and a second end position in which the first lever has a maximum length, and the transmission means may be geometrically designed taking into account the second end position.
- maximum drive motion from the input shaft to the output shaft may be transmittable.
- an overdrive ratio can be set in the second end position of the eccentric drive device.
- a total ratio may be a ratio between an engine speed and a wheel speed.
- a total ratio may include a translation of a transaxle.
- the invention thus provides, inter alia, a crank variator with an output-side eccentric in which an improved introduction of the connecting rod force takes place.
- a fulcrum distance between a connecting rod and a freewheel can be made smaller because the eccentric center can lie within the freewheel.
- a drive-side adjustment range of a crank can also be reduced, and the adjustment unit becomes smaller.
- a rolling bearing can be used with the efficiency advantage over the slide bearing.
- larger ball or roller bearings can be mounted eccentrically on the respective outer ring.
- the drive-side eccentric radius can correspond to a known outer ring oesradius.
- the connecting rod construction allows a larger forces to be absorbed.
- FIGURE schematically and by way of example shows a crank CVT with a freewheel device side rod axis disposed radially inside a freewheel device in an overdrive position in which a distance between an axis of rotation of an input shaft and an eccentric drive side rod axis is maximum.
- the crank CVT 100 includes an input shaft 102 having an input shaft rotational axis 104 and an output shaft 106 having an output shaft rotational axis 108.
- the input shaft rotation axis 104 and the output shaft rotation axis 108 are parallel to each other.
- the input shaft rotation axis 104 and the output shaft rotation axis 108 are spaced 110 apart.
- the input shaft 102 is formed as a crankshaft.
- the input shaft 102 has
- the input shaft 102 has concentric shaft portions to the input shaft rotation axis 104.
- the input shaft 02 has radially offset crank sections 112 to the shaft sections.
- the input shaft 102 has a central bore 114.
- the bore 114 extends in the shaft sections radially centered along the input shaft rotation axis 104.
- the bore 114 is opened in the radial direction to the outside.
- a pinion shaft 116 is disposed with an external toothing.
- the pinion shaft 116 is rotatably mounted in the bore 114 with a tip circle of its external teeth.
- the pinion shaft 116 is rotatable in the bore 114 relative to the input shaft 102.
- the eccentric elements 118 are rotatable relative to the crank sections 112.
- the eccentric elements 1 18 have an eccentric axis 120.
- the eccentric axis 120 and the input shaft rotation axis 104 are parallel to each other.
- the eccentric axis 120 and the input shaft rotation axis 104 have a distance 122 from each other.
- the eccentric elements 1 18 have internal teeth.
- the eccentric elements 118 are connected to the crank sections 112 rotatably mounted with a tip circle of its internal teeth.
- the eccentric elements 118 are rotatable relative to the crank sections 112.
- the external toothing of the pinion shaft 116 meshes with the internal toothing of the eccentric elements 1 8.
- a rotation of the pinion shaft 116 relative to the input shaft 102 causes a
- the pinion shaft 116 and the eccentric elements 1 18 are parts of an eccentric drive means.
- connecting rod 124 are arranged.
- the connecting rods 124 are rotatably mounted on the eccentric members 118 about an eccentric driving device-side connecting rod rotation axis.
- the eccentric drive device-side connecting rod rotational axis corresponds to the eccentric rotational axis 120 of the eccentric elements 118.
- the connecting rods 124 have a connecting rod eye 126 on the eccentric drive device.
- the eccentric elements 118 have an outer radius.
- the connecting rods 124 are rotatably mounted with their connecting rod 126 at the outer radius of the eccentric 118.
- the connecting rods 124 are mounted on the Exzenteretementen 118 by means of rolling bearings.
- the freewheels 128 are clamping roller freewheels with an inner star 130, an outer ring 132 and between the inner star 130 and the outer ring 132 effective pinch rollers, such as 134.
- the inner star 130 extends in the axial direction over all freewheels 128 of the freewheel device.
- the inner star 130 forms the output shaft 106 and / or is connected to the Drive-connected output shaft.
- the freewheels 128 are arranged concentrically to the output shaft rotation axis 108.
- the output shaft rotation axis 108 corresponds to a rotation axis of the free running 128th
- the freewheels 128 are received with their outer ring 132 in eccentric 136.
- the eccentric elements 136 have an outer radius with an outer radius axis and an inner radius with an inner radius axis.
- the inner radius is offset from the outer radius in the radial direction.
- the inner radius of the axis corresponds to the output shaft rotational axis 108 and the rotational axis of the freewheels 128.
- the inner radius of the axis and the outer radius of the axis parallel to each other.
- the mecanicradiusachse and the predominantlyradiusachse have a fixed distance 138 from each other.
- the connecting rods 124 have a freewheeling side connecting rod 140.
- the connecting rods 124 have a connecting rod 142 which rigidly connects the eccentric drive-side connecting rod eye 126 and the free-wheel-side connecting rod eye 140.
- the connecting rods 124 are each made in one piece with their connecting rod 142 and their connecting rod eyes 126, 140.
- the connecting rods 124 are arranged on the eccentric elements 136.
- the connecting rods 124 are arranged with their freewheel device-side connecting rod 140 to the eccentric 136.
- the connecting rods 124 are rotatably arranged on the eccentric elements 136 about a freely pivoting connecting rod pivot axis 144.
- the freewheeling-side connecting rod pivot axis 144 corresponds to the outer radius of the eccentric elements 136.
- the connecting rods 124 are rotatably mounted with their freewheeling-side connecting rod 140 on the outer radius of the eccentric 136.
- the connecting rod pivot axis 144 and the eccentric axis 120 have a distance 146 from one another.
- the connecting rods 124 are mounted on the eccentric 136 by means of rolling bearings, in this case using ball or roller bearings.
- the freewheel-side connecting rod eye 140 has a larger diameter than the eccentric drive-side connecting rod eye 126.
- the freewheel-side connecting rod eye 140 has a larger diameter than the outer ring 132 of the freewheels 128.
- the freewheel-side connecting rod eye 140 is arranged eccentrically to the freewheels 128.
- the freewheel device-side connecting rod 140 has such a larger diameter relative to the outer ring 132 of the freewheels 128 and such an eccentricity with respect to the freewheels 128 that the freewheel device-side connecting rod rotational axis 144 is arranged radially inside the inner star 130 of the freewheels 128.
- the distance 138 between the free-running The device-side connecting rod rotation axis 144 and the output shaft rotation axis 108 is greater than the distance 122 between the eccentric axis 120 of the eccentric element 118 and the input shaft rotation axis 104.
- the connecting rod eye 126 With a rotating input shaft 102 and a distance 122 greater than zero, the connecting rod eye 126 is driven in rotation. The drive movement is transmitted to the connecting rod eye 140 by means of the connecting rod 142. Since the distance 138 is greater than the distance 122, the connecting rod 140 performs a reciprocating motion. The connecting rod 140 drives the freewheel 128 and thus the output shaft 106 at.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014500251A JP2014511980A (ja) | 2011-03-18 | 2012-02-28 | 伝動装置 |
| DE112012001285.2T DE112012001285A5 (de) | 2011-03-18 | 2012-02-28 | Getriebeeinrichtung |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011014511 | 2011-03-18 | ||
| DE102011014511.7 | 2011-03-18 | ||
| DE102011081613.5 | 2011-08-26 | ||
| DE102011081613 | 2011-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012126452A1 true WO2012126452A1 (de) | 2012-09-27 |
Family
ID=46025277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2012/000189 Ceased WO2012126452A1 (de) | 2011-03-18 | 2012-02-28 | Getriebeeinrichtung |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2014511980A (de) |
| DE (2) | DE112012001285A5 (de) |
| WO (1) | WO2012126452A1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930171A (zh) * | 2014-03-19 | 2015-09-23 | 本田技研工业株式会社 | 无级变速器 |
| US9297813B2 (en) | 2010-11-11 | 2016-03-29 | Agency For Science, Technology And Research | Targeting metabolic enzymes in human cancer |
| CN110296191A (zh) * | 2019-07-04 | 2019-10-01 | 王丽云 | 一种动力易输出的偏转传动机构 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1431781A (en) * | 1918-07-16 | 1922-10-10 | Mechanical Improvement Co | Power-transmission mechanism |
| GB195784A (en) * | 1922-01-12 | 1923-04-12 | Don Juan Juste Cararach | Improvements in and relating to variable speed mechanism |
| GB641578A (en) * | 1948-01-22 | 1950-08-16 | Gilbert John White | Improvements relating to variable speed transmission |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10243535A1 (de) | 2001-09-26 | 2003-04-24 | Luk Lamellen & Kupplungsbau | Getriebe |
| DE102009013993A1 (de) * | 2008-04-15 | 2009-10-22 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Antriebsanordnung für ein Kurbel-CVT-Getriebe und Kurbel-CVT-Getriebe |
-
2012
- 2012-02-28 DE DE112012001285.2T patent/DE112012001285A5/de not_active Withdrawn
- 2012-02-28 JP JP2014500251A patent/JP2014511980A/ja active Pending
- 2012-02-28 DE DE102012203004A patent/DE102012203004A1/de not_active Withdrawn
- 2012-02-28 WO PCT/DE2012/000189 patent/WO2012126452A1/de not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1431781A (en) * | 1918-07-16 | 1922-10-10 | Mechanical Improvement Co | Power-transmission mechanism |
| GB195784A (en) * | 1922-01-12 | 1923-04-12 | Don Juan Juste Cararach | Improvements in and relating to variable speed mechanism |
| GB641578A (en) * | 1948-01-22 | 1950-08-16 | Gilbert John White | Improvements relating to variable speed transmission |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9297813B2 (en) | 2010-11-11 | 2016-03-29 | Agency For Science, Technology And Research | Targeting metabolic enzymes in human cancer |
| CN104930171A (zh) * | 2014-03-19 | 2015-09-23 | 本田技研工业株式会社 | 无级变速器 |
| CN110296191A (zh) * | 2019-07-04 | 2019-10-01 | 王丽云 | 一种动力易输出的偏转传动机构 |
| CN110296191B (zh) * | 2019-07-04 | 2022-07-15 | 山东南颢新能源科技有限公司 | 一种动力易输出的偏转传动机构 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112012001285A5 (de) | 2014-01-09 |
| DE102012203004A1 (de) | 2012-09-20 |
| JP2014511980A (ja) | 2014-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2003027538A1 (de) | Getriebe | |
| DE2534476C2 (de) | Exzentergetriebe | |
| DE102014112689B4 (de) | Koaxialgetriebe und Anordnung zum Antreiben einer Verstellwelle zum Verstellen des Expansionshubes und/oder des Verdichtungsverhältnisses eines Verbrennungsmotors | |
| DE60204713T2 (de) | Ein verbessertes stufenloses getriebe | |
| EP1136657B1 (de) | Vorrichtung zur Verstellung einer nockenwelle | |
| EP2064464A1 (de) | Getriebe | |
| DE4321476C2 (de) | Stufenloses Reibrollengetriebe mit toroidförmigen Reibscheiben | |
| WO2013007247A1 (de) | Pumpenantrieb | |
| DE112013003628T5 (de) | Fahrzeugleistungsgetriebevorrichtung | |
| DE102015206245B4 (de) | Kurbelwelle mit Planetengetriebe für den Massenausgleich , Hubkolbenmotor, Kraftfahrzeug | |
| WO2011137469A1 (de) | Planeten-differenzialgetriebe mit excenter-getriebestufe | |
| WO2019096478A1 (de) | Schaltgetriebe und elektroantrieb mit einem schaltgetriebe | |
| EP3209544B1 (de) | Koaxial angeordnetes reibringgetriebe für ein mit motorkraft und/oder pedalkraft betreibbares fahrzeug | |
| DE102010021598B4 (de) | Antriebsvorrichtung für eine hydraulische Pumpe | |
| WO2012126452A1 (de) | Getriebeeinrichtung | |
| DE112008001898B4 (de) | Vorgelegegetriebe | |
| DE102012216231B3 (de) | Planetengetriebe mit einer Kupplungseinrichtung sowie Getriebeeinrichtung für ein Fahrzeug mit dem Planetengetriebe | |
| DE102010045258B4 (de) | Vorrichtung zur Phasenverschiebung des Drehwinkels eines Antriebsrades zu einem Abtriebsrad | |
| WO2018010721A1 (de) | Kupplungseinheit, hybridmodul und antriebsstrang für ein kraftfahrzeug | |
| EP1079086B1 (de) | Brennkraftmaschine mit einem Nebengetriebe mit einer Elektromaschine | |
| DE112013005706T5 (de) | Fahrzeugleistungsübertragungsvorrichtung | |
| DE2756658A1 (de) | Variable geschwindigkeitstransmission | |
| DE112013004461T5 (de) | Fahrzeugleistungsübertragungsvorrichtung | |
| WO2012126454A1 (de) | Getriebeeinrichtung | |
| DE102011082968A1 (de) | Rotationsgelenk mit variabler Getriebeübersetzung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12718035 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2014500251 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 112012001285 Country of ref document: DE Ref document number: 1120120012852 Country of ref document: DE |
|
| REG | Reference to national code |
Ref country code: DE Ref legal event code: R225 Ref document number: 112012001285 Country of ref document: DE Effective date: 20140109 |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 12718035 Country of ref document: EP Kind code of ref document: A1 |