WO2014060691A1 - Variateur de vitesse a courroie - Google Patents
Variateur de vitesse a courroie Download PDFInfo
- Publication number
- WO2014060691A1 WO2014060691A1 PCT/FR2013/052448 FR2013052448W WO2014060691A1 WO 2014060691 A1 WO2014060691 A1 WO 2014060691A1 FR 2013052448 W FR2013052448 W FR 2013052448W WO 2014060691 A1 WO2014060691 A1 WO 2014060691A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flanges
- pulley
- flange
- shaft
- belt
- Prior art date
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Classifications
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- 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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
- F16H9/18—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
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- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/52—Pulleys or friction discs of adjustable construction
- F16H55/56—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
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- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/04—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
- F16H63/06—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions
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- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/04—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
- F16H63/06—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions
- F16H63/067—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions mechanical actuating means
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- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
- F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
- F16H61/66272—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members characterised by means for controlling the torque transmitting capability of the gearing
Definitions
- the present invention relates to a belt speed variator.
- a belt speed variator of the type comprising at least:
- a speed variation device by controlling the approaching / moving of the flanges of the driving pulley
- Such a belt speed variator is more particularly intended to be installed on a rolling machine, such as a lawn mower or a mowing tractor between the main drive shaft and the wheels of said machine.
- the drive shaft of the driving pulley is adapted to form the main drive shaft of the machine or be rotated by the engine primary shaft of the machine.
- the primary motor shaft of the machine is rotated at a substantially constant speed because this primary drive shaft drives in parallel the rotational drive of the mowing blade. It is therefore not possible to vary the speed of the mowing blade at each speed variation of the machine.
- the driven pulley shaft of the drive controller constitutes the input shaft of a transmission housing equipped with a gear drive output shaft of a machine.
- a high resisting torque on the input shaft as is the case when a machine must cross a very steep slope, there is a high risk of rotational locking of said input shaft by the resistant torque with a risk of breakage at the components downstream of the drive controller.
- One solution is to limit the winding diameter of the belt around the driven pulley.
- An object of the present invention is therefore to propose a speed variator whose design makes it possible to reduce the risks of transmission failure downstream of the drive and to control the minimum winding diameter of the belt without impairing the operation of the drive means. recall, nor to the speed variation control effort.
- Another object of the present invention is to provide a variable speed drive whose design avoids any risk of jamming of the belt. between the flanges of the driven pulley in maximum speed position of the flanges of the driven pulley.
- the subject of the invention is a belt speed variator of the type comprising at least:
- a speed variation device by controlling the approaching / moving of the flanges of the driving pulley
- the device for speed variation by control approaching / spacing of the flanges comprises means for controlling the approach of the flanges of the drive pulley with said manual control, and means for assisting the control in bringing the flanges of the driving pulley and in that the shaft of the driven pulley is equipped with at least one idler member, such as a bearing, a roller or a ring, having an outer peripheral surface mounted free to rotate on said shaft and around of which the belt is able to wind at least partially in the spaced apart position of the flanges of the driven pulley, corresponding to the position of the smallest winding diameter of the belt around said shaft.
- at least one idler member such as a bearing, a roller or a ring
- the approaching of the flanges of the driving pulley is thus manually controlled by the speed variation device while the idler member is disposed on the driven pulley to act, in combination with the return means, at maximum speed of the variator, and to fill with said return means the function of torque limiter.
- the presence of assistance means to the control with automatic operation as a function of the transmitted torque allows to reduce the control effort to produce for the variation of speed.
- the assistance means for controlling the approach of the flanges of the driving pulley comprise a cam formed of two coaxial plates inclined ramps with sliding contact, one of the plates being integral in rotation with the or a movable flange the driving pulley, the other plate being integral in rotation with the drive shaft of the driving pulley, said platens tending to move apart from one another in the direction of approaching the flanges of the driving pulley; under the effect of the transmitted torque.
- the means of assistance are automatically operated and act thanks to the frictional contact of the belt on the movable flange of the driving pulley.
- the idler member is immobilized axially on the driven shaft of the driven pulley.
- one of the flanges of the driven pulley hollowed centrally to be able to be threaded onto the bearing shaft of said pulley, is provided, around the central recess, with an annular housing of the idler member, the close state of said flanges.
- This arrangement makes it possible to increase the stroke of the flanges in the direction of a bringing together or a spacing of said flanges.
- one of the flanges of the pulley led is mounted with play and movable axially along said carrier shaft of the driven pulley in the direction of a spacing of the other flange.
- This clearance makes it possible to avoid a behavior of the driven pulley similar to that of a pulley with fixed flanges in the position of the smallest winding diameter of the belt around the shaft of said pulley and to maintain the effectiveness of the means. recall.
- the return means of the flanges of the driven pulley in close position comprise at least one spring.
- the flange of the driven pulley mounted with play and movable axially along said driven pulley carrier shaft, in a position of smaller winding diameter of the belt around said shaft of the driven pulley, in the state of support of the belt on the outer peripheral surface of the crazy organ, is the flange loaded by spring.
- one of the flanges, said fixed, of the driven pulley is made in one piece with a hub threaded on the pulley carrier shaft, and mounted integral in rotation with said shaft, and the other flange, said mobile, the driven pulley is hollowed centrally and received interlocked on said hub for free assembly axially and integral in rotation of said hub, this movable flange being equipped with the return means of the flanges of the driven pulley in close position.
- said flanges delimit between them a groove of variable size within which is adapted to insert the drive belt, and at least one of the flanges is a synthetic flange provided on its surface opposite the other flange, a metal coating in the form of a centrally recessed cup, the cup being, in its area adjacent to the central recess, separated from the flange it covers by a so-called peripheral annular space which, by preventing any direct contact between flange and cup reduces, in said zone, heat exchange between flange and cup, in the assembled state of the cup flange.
- This design avoids heating and melting of the constituent material of the flange when the belt is slipping.
- the movable flange of the driven pulley is formed of a centrally recessed circular plate, said central recess being provided with a rim projecting, at least on one side, from said plate, to form a coaxial shaft to the hub. of the pulley, said flange being a shoulder flange to provide the annular housing of the idler member in the close state of said flanges, the return means of the flange movable towards the fixed flange affecting the shape of a coil spring wound around the barrel of the mobile flange.
- This design allows contact synthetic material / synthetic material when the barrel is synthetic material. This contact facilitates integral mounting in rotation of the flanges and axial displacement of the flanges relative to a metal contact / synthetic material.
- the drive pulley one of whose flanges is fixed, is mounted integral in rotation with the drive shaft of the drive pulley and the other flange, said mobile, is mounted axially movable on the bearing shaft of the driving pulley in the direction of a bringing together of the fixed flange via the speed variation device is a disengageable pulley and comprises disengaging means formed of at least one annular piece disposed between said flanges, this annular piece having a outer peripheral surface, mounted free to rotate relative to the drive shaft of the driving pulley, and around which the belt is wound at least partially in the disengaged position corresponding to the position in which the flanges are spaced apart from the other so as to prevent any transmission of motion between pulley shafts, the movable flange of the driving pulley overlapping the annular piece during the approaching the flanges of said pulley to allow the belt to be wound up inside the groove formed by the flanges and to allow the passage of the speed variator in the
- the driving pulley is equipped with resilient means for returning its flanges in a position spaced from one another.
- control means close to the flanges of the drive pulley manual control comprise a control member connectable to a lever, a lever or a pedal actuated by the hand or the foot of the operator.
- the driving pulley being of the type in which one of the so-called mobile flanges is axially movably mounted on the drive shaft of the driving pulley in the direction of approaching the other flange of the pulley.
- control means control approaching the flanges of the driving pulley manually operated is active by direct or indirect thrust on said flange.
- control member of the control means approaching the flanges of the driving pulley is active on said movable flange of the driving pulley by indirect thrust
- said control member is activated by pushing via a bell-shaped part. threaded onto the drive shaft of the driving pulley and rotatably mounted to said flange, this bell being provided at its top with a bearing on which the control member is able to act.
- FIG. 1 represents an exploded view of the elements of the variator
- Figure 2A shows a view in assembled position of the dimmer elements
- FIG. 2B shows a perspective view of the driving pulley and control means in approach of the flanges of said pulley
- FIGS. 3 to 6 show sectional views of the variator in the disengaged position (FIG. 3), in the minimum speed position (FIG. 4), in the maximum speed position (FIG. 5) and in the bearing position on the crazy member (FIG. 6).
- the speed variator 1 comprises two pulleys 4, 5 with flanges variable spacing interconnected by a belt 2 inserted into the groove of each of the pulleys.
- One of the pulleys is called driving pulley of the variator and is represented in 4 in the figures.
- the other pulley is called a driven pulley and is shown at 5 in the figures.
- These pulleys are each carried by a shaft 3.
- the flanges of the pulleys are hollowed centrally to be threaded onto the shaft and are generally of frustoconical shape to form between them a V-shaped groove for receiving the belt 2.
- Such a variator can be installed on a walk-behind machine, such as a lawnmower, or on-board driver, such as a tractor, including a mowing tractor.
- the driving shaft of the driving pulley which is a rotatable shaft adapted to be rotated, can be formed by the engine main shaft of the machine or carry an additional pulley connected by an endless transmission belt to a pulley carried by the primary drive shaft to allow transmission of the movement of the motor drive shaft to the drive shaft of the drive pulley.
- This shaft carrying the driving pulley is drivable in rotation at any speed which may be constant or not. In the example illustrated below, this speed is constant (to be confirmed by the inventor).
- the shaft 3 carrying the driven pulley 5 can be formed by the input shaft of a housing of transmission at least partially housing the drive output shaft of the wheels of the machine.
- Such a speed variator further comprises a device 7 for controlling speed variation by manual control in bringing the spacers to and from one of the pulleys and the means 6 for returning the flanges 51, 52 of the pulley 5 in a close position.
- the variation in speed is obtained by varying the winding diameter of the belt 2 inside the grooves of the pulley.
- a large winding diameter is observed at the driving pulley 4 and a small winding diameter of the belt at the driven pulley 5.
- the driving pulley 4 is the pulley controlled by the speed variation device 7.
- This driving pulley 4 comprises a flange 41 fixed mounted to rotate with the shaft 3 carrying the pulley 4, for example by means of splines, and a flange 42, said mobile, mounted movable in the direction of a ratment or a spacing of the flange 41 by means of the speed variation control device 7 which comprises means 71 for controlling the flanges 41, 42 of the driving pulley 4 by axial displacement of the flange 42 along said shaft .
- These means 71 for controlling the approach of the flanges of the manual drive pulley are configured to allow axial displacement of at least one of the flanges, in this case the flange 42 movable of the driving pulley along the driving shaft of the driving pulley regardless of the speed of rotation of the carrier shaft of said driving pulley.
- control means 71 may comprise a control member, such as a fork that can be actuated manually by the driver of the machine, for example by means of a cam or rod control, itself actuated by the operator by means of a lever or a lever. pedal.
- the control means 71 thus comprise a control member 71 1 connectable to a lever, a joystick or a pedal 712 operable by the hand or the foot of the operator, that is why they are said manual control.
- This control member 71 controlled here by a foot pedal 712 connected by a rod to said control member 71 1, acts, in the example shown, by pushing on the flange 42 via a piece 713 bell-shaped threaded on the shaft 3 carrying the driving pulley 4, this bell 713 being provided at its top with a bearing 714 to allow the action of the control member 71 1 on the flange 42 movable connected to said bell 713 mounted in rotation said flange 42.
- the control device 7 may further comprise means 72 for assisting the control.
- control assistance means 72 affect the shape of a cam consisting of two coaxial plates inclined ramp sliding contact, one of the trays, shown at 721, being integral in rotation with the flange 42 movable pulley driving , the other tray, shown at 722, being integral in rotation with the shaft 3 carrying the pulley.
- a spring 12 housed inside the bell between the plate 722 integral in rotation with the shaft and the top of the bell recalls the flanges 41, 42 of the driving pulley 4 in position spaced apart from each other.
- the tray 721 ramp holder integral in rotation of the movable flange is made in one piece with said flange.
- the 4 driving pulley is also a disengageable pulley.
- the driving pulley 4 comprises disengaging means 43 formed here of a part annular, in this case a bearing disposed between the flanges 41, 42 for the passage of the driving pulley 4 of a disengaged position corresponding to the position in which the flanges 41, 42 of the driving pulley are spaced one of the the other and the belt 2 comes to rest on the outer peripheral surface of the annular part of the disengaging means 43 to an engaged position in which the flanges 41, 42 are brought closer to one another and prevent any bearing contact. of the belt 2 with the annular part of the disengaging means 43.
- the driven pulley 5 is in turn formed by a flange 51, said fixed, fixedly fixed axially and integral in rotation with the shaft 3 carrying the pulley and a flange 52 integral in rotation with the shaft 3 and mobile axially on said shaft.
- the so-called fixed flange 51 of the driven pulley 5 is made in one piece with a hub 55 threaded onto the shaft 3 carrying the pulley 5 and mounted to rotate with said shaft 3.
- another flange 52, said mobile, of the driven pulley 5 is hollowed centrally and received interlocked on said hub 55 for free assembly axially and fixed in rotation to said hub 55.
- the flange 52 mobile is equipped with a spring 6 reminder said flange 52 in position close to the other flange 51, this spring 6 restoring the return means of the flanges 51, 52 of the driven pulley in the close position.
- the flange 51 fixed, as well as the hub 55, are made in one piece of synthetic material for example polypropylene.
- the flange 51 fixed is provided on its surface, facing the movable flange and serving for the delimitation of the groove, a coating 56 of metal.
- the movable flange 52 is itself a metal flange, preferably aluminum, or a synthetic flange provided on its surface facing the fixed flange of a coating. metal.
- the fixed flange is made in one piece with the hub on which the movable flange is mounted axially movable and fixed in rotation.
- the hub 55 is a hollow body, open at one of its ends to be able to be threaded onto a bearing shaft, this body being provided at or near its open end of the fixed flange 51 in form. a circular plate surrounding said hub, As it is made in one piece with said hub, the fixed flange is mounted axially fixed on said hub.
- This design of the fixed flange allows the mobile flange to slide on a hub in synthetic material so that anti-corrosion treatment is not necessary.
- this flange 51 fixed is provided with a coating 56 of metal to prevent premature wear of the assembly.
- this coating 56 metal fixed flange affects the shape of a cup 56 of metal recessed centrally to be threaded on said hub to an end position in which said cup comes into contact with support and is maintained overlapping the surface of the fixed flange facing the movable flange and serving for the delimitation of the groove.
- the metal coating of the fixed flange is maintained in bearing contact on said fixed flange by crimping.
- the cup constituting the coating may be of generally frustoconical shape to adapt to the shape of the surface of the fixed flange serving for the delimitation of the groove, which may also be a general frustoconical surface.
- the hub 55 has a polygonal outer shape, preferably hexagonal, complementary to the shape of the central recess of the flange of the central recess 53 of the flange 52 movable for integral mounting in rotation of the flange and the hub.
- the hub which is a blind hollow body open at one of its ends to be able to be threaded on the carrier shaft 3 has at its other end an axial bore inside which is adapted to be housed a fixing member 10, such as a screw, this fixing member being adapted, in cooperation with a cup 1 1 interposed between the fixing member 10 and the movable flange 52, to hold the mobile flange on said hub 55.
- the movable flange 52 of the driven pulley 5 is itself formed of a circular plate recessed centrally. Said central recess 53 is provided with a rim projecting at least from one side of said platen to form a shaft 58 coaxial with the shaft 3 carrying the pulley.
- the means 6 for returning the flange 52 movable in the direction of the flange 51 fixed affect the shape of a coil spring wound around said shaft of the movable flange 52 and the shaft 3 carrier.
- the spring 6 is sandwiched between the back of the movable flange and the cup 1 1 disposed at the end of the carrier shaft 3 and fixed by means of a fastening member 10 to the hub 55 of the flange 51 fixed.
- the flange 52 mobile is, in the examples shown, a flange in synthetic material, provided on its surface facing the other side, a metal coating affecting the shape of a cup hollowed out centrally.
- the central recesses of the cup and the flange allow to put the assembly on the carrier shaft 3.
- the cup constituting the coating of the flange 52 mobile may be generally frustoconical shape to adapt to the shape of the surface of the flange it covers which may be generally frustoconical shape.
- Each cup is, in its area adjacent to the central recess, separated from the flange it covers by a peripheral space which, by preventing any direct contact between flange and cup, reduced in said zone heat exchange between flange and cup. This peripheral space is represented at 57 in the figures.
- the driven pulley 5 further comprises a member 8 crazy.
- This body 8 crazy here formed by a bearing, is threaded on the shaft of the pulley 5 conducted and is disposed between the flanges 51, 52 of the driven pulley.
- This element 1 has a circular external peripheral surface 82 against which the belt 2 is partially supported in spaced position of the flanges 51, 52 of the driven pulley 5 corresponding to the position of the smallest winding diameter of the belt around said tree and, at the higher speed position of the variator, this outer peripheral surface is rotatably mounted relative to said shaft 3.
- the element 8 fool is a bearing, it is the outer peripheral surface of the outer ring of the bearing which forms the outer peripheral surface 82 mounted free to rotate said member.
- This member 8 is immobilized axially on the shaft 3 carrying the pulley 5 conducted.
- This axial immobilization is obtained via the hub 55 of the so-called fixed flange 51 of the driven pulley 5.
- This hub 55 has a shoulder and a bead between which the member 8 crazy is latched.
- the movable flange 52 of the driven pulley is provided, around its central recess 53, an annular housing 54 of the member 8 fou in the close state of said flanges 51, 52.
- the operation of such a drive is as follows.
- the drive occupies a position according to Figure 3.
- the flanges 41, 42 of the driving pulley 4 are spaced apart from each other.
- the belt is supported on the bearing 43 of disengagement.
- the flanges are brought closer to each other by the spring 6 and the belt is, in the groove of the driven pulley, in the position of greater winding diameter.
- the member 8 fool is retracted into the annular housing 54 of the flange 52 movable pulley 5 conducted.
- the flange 42 of the driving pulley 4 is moved axially along the shaft 3 in the direction of the flange 41 of the driving pulley.
- the drive speed returns speedily Max.
- the return to the minimum speed of the variable speed drive or the disengaged position is effected by releasing the manual control or actuating in the opposite direction of said manual control to cause a separation of the flanges of the driving pulley 4 and, under the action spring 6, a reconciliation of the flanges of the driven pulley.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE212013000213.0U DE212013000213U1 (de) | 2012-10-18 | 2013-10-14 | Regelantrieb mit Riemen |
US14/436,499 US9714695B2 (en) | 2012-10-18 | 2013-10-14 | Variable-speed belt drive |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1259916A FR2997154B1 (fr) | 2012-10-18 | 2012-10-18 | Variateur de vitesse a courroie |
FR1259916 | 2012-10-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014060691A1 true WO2014060691A1 (fr) | 2014-04-24 |
Family
ID=47295074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2013/052448 WO2014060691A1 (fr) | 2012-10-18 | 2013-10-14 | Variateur de vitesse a courroie |
Country Status (4)
Country | Link |
---|---|
US (1) | US9714695B2 (fr) |
DE (1) | DE212013000213U1 (fr) |
FR (1) | FR2997154B1 (fr) |
WO (1) | WO2014060691A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105531507B (zh) | 2013-09-24 | 2019-02-12 | 加特可株式会社 | 电动汽车用自动变速器 |
EP3051179A4 (fr) * | 2013-09-25 | 2017-06-21 | Jatco Ltd | Dispositif à came de couple et transmission à variation continue de type courroie |
US10426094B2 (en) * | 2016-10-14 | 2019-10-01 | Deere & Company | Harvester reciprocating drive balancing system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1102759A (fr) * | 1953-06-27 | 1955-10-25 | Class Geb | Poulie-variateur de vitesse |
US3362242A (en) * | 1965-06-24 | 1968-01-09 | Outboard Marine Corp | Sheave drive |
FR2774953A1 (fr) * | 1998-02-18 | 1999-08-20 | France Reducteurs Sa | Transmission de vitesse pour tondeuse a gazon et tondeuse a gazon equipee d'une telle transmission |
FR2889866A1 (fr) * | 2005-07-29 | 2007-02-23 | France Reducteurs Soc Par Acti | Variateur de vitesse a courroie et engin automoteur a vitesse d'avancement variable equipe d'un tel variateur |
FR2926256A1 (fr) | 2008-01-10 | 2009-07-17 | Peugeot Citroen Automobiles Sa | Chaine cinematique electrique et groupe d'entrainement pour vehicule automobile hybride comprenant une telle chaine. |
Family Cites Families (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2283392A (en) * | 1940-12-05 | 1942-05-19 | F L Dryg | Variable speed pulley |
US2611464A (en) * | 1948-05-11 | 1952-09-23 | Rabe Rudolf | Cam operated coupling |
US2651208A (en) * | 1949-10-06 | 1953-09-08 | Patentverwertung Reimers W Gmbh | Pulley for variable speed transmissions |
US2599821A (en) * | 1951-11-28 | 1952-06-10 | Ruben Silber | Multistep pulley |
US2699071A (en) * | 1952-08-11 | 1955-01-11 | Miner Pulley & Transmission Co | Variable pitch v-type pulley |
US2900834A (en) * | 1958-06-05 | 1959-08-25 | Georges Henri N Bessette | Automatic variable speed pulley |
US2987934A (en) * | 1959-04-01 | 1961-06-13 | Harley Davidson Motor Co Inc | Motor vehicle automatic transmissions |
DE1184583B (de) * | 1962-11-15 | 1964-12-31 | Reimers Getriebe K G | Stufenlos verstellbares Kegelscheibengetriebe mit drehmoment- und uebersetzungsabhaengiger Anpressung der axial verschiebbaren Kegelscheiben |
US3161071A (en) * | 1963-01-10 | 1964-12-15 | Eaton Mfg Co | Torque transmitting device |
US3195364A (en) * | 1963-02-13 | 1965-07-20 | Ernest H Pauli | Variable speed pulley |
US3365967A (en) * | 1965-06-07 | 1968-01-30 | Moogk Friedrich | Stepless variable v-belt driving gear with asymmetric v-belt |
US3616706A (en) * | 1968-05-18 | 1971-11-02 | Yamaha Motor Co Ltd | Transmission device of a sheave drive type |
US3757593A (en) * | 1971-06-07 | 1973-09-11 | Instrument Systems Corp | Variable-ratio belt-type transmission for engine-driven cycle, incorporating pedal-operated engine starting means |
US3842637A (en) * | 1973-01-22 | 1974-10-22 | Allis Chalmers | Combine drive torque sensing |
DE2449819C2 (de) * | 1974-10-19 | 1977-06-23 | Piv Antrieb Reimers Kg Werner | Axialabstützung einer Kegelscheibe eines Kegelscheiben-Umschlingungsgetrlebes |
US4033195A (en) * | 1975-01-13 | 1977-07-05 | Kawasaki Heavy Industries, Ltd. | Driven clutch device for V-belt type automatic transmission |
US4023635A (en) * | 1975-01-21 | 1977-05-17 | Deere & Company | Snowmobile torque converter construction and arrangement |
US4005609A (en) * | 1976-01-19 | 1977-02-01 | Bendall Wilfrid H | Automatic variable speed transmission |
US4173155A (en) * | 1977-09-16 | 1979-11-06 | International Harvester Company | Variable diameter torque sensing drive |
US4364735A (en) * | 1978-08-07 | 1982-12-21 | Mtd Products Inc. | Combined torque converter and clutch |
JPS5635853A (en) * | 1979-08-28 | 1981-04-08 | Nippon Denso Co Ltd | Power transmission system |
US4515041A (en) * | 1980-05-21 | 1985-05-07 | Aisin Seiki Kabushiki Kaisha | Control system and method for a power delivery system having a continuously variable ratio transmission |
US4378221A (en) * | 1981-01-16 | 1983-03-29 | Reliance Electric Company | Torque cam assembly for variable speed drive and follower element therefor |
US4400930A (en) * | 1982-05-10 | 1983-08-30 | Allis-Chalmers Corporation | Harvester threshing rotor drive having variable speed belt drive and clutching means |
US4592737A (en) * | 1982-06-24 | 1986-06-03 | Sperry Corporation | Torque sensing drive |
DE3325523C2 (de) * | 1983-07-15 | 1985-10-03 | P.I.V. Antrieb Werner Reimers GmbH & Co KG, 6380 Bad Homburg | Stufenlos einstellbares Kegelscheiben-Umschlingungsgetriebe |
US4523917A (en) * | 1983-12-27 | 1985-06-18 | Dana Corporation | Variable pitch diameter torque sensing pulley assembly |
US4605386A (en) * | 1985-08-19 | 1986-08-12 | Harris Gerald R | Compact variable speed pulley assembly |
DE3574174D1 (en) * | 1985-11-22 | 1989-12-14 | Deere & Co | Continuously variable belt drive |
US4689036A (en) * | 1986-04-11 | 1987-08-25 | Deere & Company | Torque-responsive power transmission assembly |
US5403240A (en) * | 1994-03-29 | 1995-04-04 | Club Car, Inc. | Cam for variable width pulley |
US5516333A (en) * | 1994-10-17 | 1996-05-14 | Benson; Steven R. | Torque responsive actuation device for a belt drive system |
DE19743675A1 (de) * | 1996-10-08 | 1998-04-09 | Luk Getriebe Systeme Gmbh | Getriebe |
US6149540A (en) * | 1997-09-17 | 2000-11-21 | Polaris Industries Inc. | Continuously variable transmission system with engine braking |
CA2231491A1 (fr) * | 1998-04-16 | 1999-10-16 | Rene Chamberland | Poulie a marche reversibvle |
US6095937A (en) * | 1998-07-27 | 2000-08-01 | Aaen Performance Parts, Inc. | Torque-responsive clutch with confined rollers |
JP3976430B2 (ja) * | 1998-12-09 | 2007-09-19 | 本田技研工業株式会社 | 作業機の動力伝達装置 |
US6502479B1 (en) * | 1999-03-03 | 2003-01-07 | Kent Lee | Adjustable ramp helix |
US6520878B1 (en) * | 1999-04-23 | 2003-02-18 | Cvtech R & D Inc. | Driving pulley for scooters and other vehicles |
US6406390B1 (en) * | 1999-09-24 | 2002-06-18 | Borgwarner Automotive, Inc. | Continuously variable belt drive system |
US6569043B2 (en) * | 1999-11-29 | 2003-05-27 | Team Industries, Inc. | Clutch with a one-way torque carrying bearing |
US6743129B1 (en) * | 1999-11-29 | 2004-06-01 | Team Industries, Inc. | Clutch with no relative rotation |
US6676551B2 (en) * | 2001-03-02 | 2004-01-13 | Michael Flaspeter | Belt changing device |
FR2824376B1 (fr) * | 2001-05-04 | 2003-07-04 | Commerciale Et D Engineering S | Transmission de vitesse pour tondeuse a gazon automotrice et tondeuse equipee d'une telle transmission |
US8328669B2 (en) * | 2002-09-03 | 2012-12-11 | Randy Gene Nouis | Variable touch-point radius CVT helix |
US20040063524A1 (en) * | 2002-10-01 | 2004-04-01 | Arctic Cat, Inc. | Dual cam surface clutch |
ITTO20020930A1 (it) * | 2002-10-25 | 2004-04-26 | Lombardini Srl | Puleggia per una trasmissione a rapporto variabile con continuita'. |
US6860826B1 (en) * | 2002-12-23 | 2005-03-01 | Polaris Industries Inc. | Continuously variable transmission with two piece cam |
US6958025B2 (en) * | 2003-01-17 | 2005-10-25 | Hoffco/Comet Industries, Inc. | Belt tensioner for use with torque converter |
ITTO20030314A1 (it) * | 2003-04-23 | 2004-10-24 | Dayco Europe Srl | Puleggia per una trasmissione a variazione continua di rapporto. |
US6953400B2 (en) * | 2003-05-15 | 2005-10-11 | Hoffco/Comet Industries, Inc. | Driven pulley system for use in torque converter |
US7081057B2 (en) * | 2003-06-25 | 2006-07-25 | Gmac Commercial Finance Llc | Driven pulley system with removable cam |
CA2493455A1 (fr) * | 2004-01-21 | 2005-07-21 | Bombardier Recreational Products Inc. | Came a poulie a entrainement par transmission a changement de vitesses continu ayant trois surfaces de came et galet |
US7850555B2 (en) * | 2004-07-30 | 2010-12-14 | Honda Motor Co., Ltd. | Apparatuses and methods for controlling a variable speed transmission |
US8197368B2 (en) * | 2005-02-04 | 2012-06-12 | France Reducteurs | Transmission system for a self-propelled vehicle with variable travel speed, its control device, and vehicle equipped with such a transmission system |
US7614970B2 (en) * | 2005-07-29 | 2009-11-10 | Deere & Company | Torque sensing assembly having dual stage spring compression for an agricultural machine |
CN101287929B (zh) * | 2005-08-18 | 2011-01-26 | 特高欧洲股份有限公司 | 用于无级变速装置的带轮组件 |
WO2007124603A1 (fr) * | 2006-05-02 | 2007-11-08 | Cvtech R & D Inc. | Poulie menée de manière réversible pour transmission à variation continue |
US20080102998A1 (en) * | 2006-10-26 | 2008-05-01 | Deere & Company | Nonrotational torque sensing belt drive |
US8267835B2 (en) * | 2008-03-18 | 2012-09-18 | Briggs And Stratton Corporation | Generator set |
CN102549304B (zh) * | 2009-10-08 | 2015-01-07 | 洋马株式会社 | 带式无级变速机 |
US9181850B2 (en) * | 2009-10-17 | 2015-11-10 | Borgwarner Inc. | Hybrid fan drive with CVT and electric motor |
US8682549B2 (en) * | 2009-12-23 | 2014-03-25 | Cvtech Inc. | Electronically controlled continuously variable transmission with torque limiting system and method thereof |
US8496551B2 (en) * | 2010-03-12 | 2013-07-30 | Team Industries, Inc. | Continuous variable clutch |
-
2012
- 2012-10-18 FR FR1259916A patent/FR2997154B1/fr active Active
-
2013
- 2013-10-14 WO PCT/FR2013/052448 patent/WO2014060691A1/fr active Application Filing
- 2013-10-14 DE DE212013000213.0U patent/DE212013000213U1/de not_active Expired - Lifetime
- 2013-10-14 US US14/436,499 patent/US9714695B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1102759A (fr) * | 1953-06-27 | 1955-10-25 | Class Geb | Poulie-variateur de vitesse |
US3362242A (en) * | 1965-06-24 | 1968-01-09 | Outboard Marine Corp | Sheave drive |
FR2774953A1 (fr) * | 1998-02-18 | 1999-08-20 | France Reducteurs Sa | Transmission de vitesse pour tondeuse a gazon et tondeuse a gazon equipee d'une telle transmission |
FR2889866A1 (fr) * | 2005-07-29 | 2007-02-23 | France Reducteurs Soc Par Acti | Variateur de vitesse a courroie et engin automoteur a vitesse d'avancement variable equipe d'un tel variateur |
FR2926256A1 (fr) | 2008-01-10 | 2009-07-17 | Peugeot Citroen Automobiles Sa | Chaine cinematique electrique et groupe d'entrainement pour vehicule automobile hybride comprenant une telle chaine. |
Also Published As
Publication number | Publication date |
---|---|
FR2997154B1 (fr) | 2016-03-04 |
FR2997154A1 (fr) | 2014-04-25 |
DE212013000213U1 (de) | 2015-06-17 |
US20160169354A1 (en) | 2016-06-16 |
US9714695B2 (en) | 2017-07-25 |
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