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WO2014186732A1 - Transmission planétaire à variation continue et à traction avant trimodale à trains d'engrenage empilés - Google Patents

Transmission planétaire à variation continue et à traction avant trimodale à trains d'engrenage empilés Download PDF

Info

Publication number
WO2014186732A1
WO2014186732A1 PCT/US2014/038439 US2014038439W WO2014186732A1 WO 2014186732 A1 WO2014186732 A1 WO 2014186732A1 US 2014038439 W US2014038439 W US 2014038439W WO 2014186732 A1 WO2014186732 A1 WO 2014186732A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
variator
ring
planetary gearset
sun gear
Prior art date
Application number
PCT/US2014/038439
Other languages
English (en)
Inventor
Andrew W. PHILLIPS
Original Assignee
Dana Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dana Limited filed Critical Dana Limited
Publication of WO2014186732A1 publication Critical patent/WO2014186732A1/fr

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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H37/086—CVT using two coaxial friction members cooperating with at least one intermediate friction member
    • 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
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/48—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members with members having orbital motion
    • F16H15/50—Gearings providing a continuous range of gear ratios
    • F16H15/52—Gearings providing a continuous range of gear ratios in which a member of uniform effective diameter mounted on a shaft may co-operate with different parts of another member
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H2037/088—Power split variators with summing differentials, with the input of the CVT connected or connectable to the input shaft
    • F16H2037/0886—Power split variators with summing differentials, with the input of the CVT connected or connectable to the input shaft with switching means, e.g. to change ranges
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears

Definitions

  • an alternate third clutch selectively simultaneously engages the ring/sun gear and the first sun gear to create the lowest clutch torque requirement.
  • the drivetrain is configured for a front-wheel drive vehicle. In some embodiments the drivetrain is configured for an axially short front-wheel drive vehicle. In some embodiments the drivetrain is configured for a rear- wheel drive vehicle.
  • the first clutch engages the fourth rotating element of the compound planetary gearset to ground
  • the second clutch engages the input shaft to the second rotating element of the compound planetary gearset
  • the third rotating element of the compound planetary gearset is fixedly connected to the output shaft.
  • the first clutch engages the fourth rotating element of the compound planetary gearset to ground
  • the alternate third clutch connects any two of the compound planetary gearsets four rotating elements, causing all of them to rotate at a common speed, creating a pure continuously variable planetary transmission range through the variator.
  • the first, second, third, and fourth elements of the compound planetary gearset are a ring/sun gear, a joint planetary gear carrier, an outer ring gear, and an inner sun gear, respectively.
  • the variator speed ratio between the first and second assembly rings increases; the overall transmission speed ratio within the first forward range increases; the overall transmission speed ratio within the second forward range decreases; the overall transmission speed ratio within the third alternate forward range increases; and the overall transmission speed ratio within the reverse range becomes more negative.
  • Figure 2 is a lever diagram corresponding to Figure 1 ;
  • the continuously variable transmission speed ratio can have the advantage of providing a smoother and continuous transition from a low speed ratio to a high speed ratio.
  • the prior continuously variable transmissions can be more complex than would be ideal.
  • the embodiments of the present invention as described herein will find applications in front- wheel drive or rear- wheel drive transmission.
  • the radially stacked simple planetary gearsets of the compound planetary gearset assembly described herein will be most advantageous for axially short, front-wheel drive transmission designs.
  • the single plane of stacked gears in this transmission when compared to multi-level, multi-plane gear stacks of more traditional planetary gearsets creates a shorter, more compact package, better suited for smaller vehicles having minimal axial lengths, particularly front-wheel drive vehicles such as vehicles having
  • the stacked configuration of the compound planetary gearset assembly 10 described herein has a ring gear 23 from the inner simple planetary gearset 20, which also serves as the sun gear 23 of the outer simple planetary gearset 30, (alternatively called a ring/sun gear 23 herein).
  • the ring/sun gear may also be referred to as a "common”, or "unitary" ring/sun gear
  • the compound planetary gearset assembly of FIG. 1 comprises two simple planetary gearsets 20, 30, radially stacked on top of each other, having a first simple planetary gearset 20 comprising a first sun gear 21, a plurality of inner planet gears 22 that are carried by an inner planetary carrier 24, and engage a common ring/sun gear 23, having an outer surface and an inner surface, wherein the inner surface has a plurality of teeth and the outer surface has a plurality of teeth, and the inner surface of the common ring/sun gear 23 meshes with the plurality of inner planet gears 22 rotatably supported by the inner planet gear carrier 24 of the first simple planetary gearset 20; a second simple planetary gearset 30 radially stacked on top of the first simple planetary gearset 20, comprising said common ring/sun gear 23, wherein the plurality of teeth on the outer surface of the unitary ring/sun gear 23 meshes with a plurality of outer planet gears 32 rotatably supported by an outer planetary gear carrier 34 of the
  • the rotating elements of the continuously variable transmission include; a tilting ball type variator 2 comprising a carrier assembly rotatably supporting a set of pivoting axles rotatably disposed about the transmission axis, said axles each further rotatably supporting a ball 8; and first and second ring assemblies 4, 6, each comprising a ball contact area 5, 7, in continuous contact with all of said balls, and wherein the first rotating element of the variator is said first ring assembly 4; the second rotating element of the variator is said second ring assembly 6; and the first, second, third, and fourth elements of the compound planetary gearset assembly 10 which are a ring/sun gear 23, a joint planetary gear carrier 12, an outer ring gear 33, and an inner sun gear 21, respectively.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne une transmission à variation continue comprenant un arbre d'entrée, un arbre de sortie, un variateur planétaire à billes inclinées à variation continue, deux trains d'engrenage planétaires simples formant un ensemble trains d'engrenage planétaires composé et une pluralité de dispositifs de transmission de couple. La transmission selon l'invention peut être utilisée soit dans des applications à traction avant, soit dans des applications à traction arrière mais est plus avantageuse dans des conceptions à traction avant courtes dans le sens axial. La transmission à variation continue et les trains d'engrenage planétaires simples empilés radialement créant l'ensemble trains d'engrenages composé décrit dans l'invention présentent une utilité particulière lorsqu'ils sont utilisés dans des conceptions à traction avant courtes dans le sens axial.
PCT/US2014/038439 2013-05-17 2014-05-16 Transmission planétaire à variation continue et à traction avant trimodale à trains d'engrenage empilés WO2014186732A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361824602P 2013-05-17 2013-05-17
US61/824,602 2013-05-17

Publications (1)

Publication Number Publication Date
WO2014186732A1 true WO2014186732A1 (fr) 2014-11-20

Family

ID=51898904

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/038439 WO2014186732A1 (fr) 2013-05-17 2014-05-16 Transmission planétaire à variation continue et à traction avant trimodale à trains d'engrenage empilés

Country Status (1)

Country Link
WO (1) WO2014186732A1 (fr)

Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9052000B2 (en) 2012-09-07 2015-06-09 Dana Limited Ball type CVT/IVT including planetary gear sets
US9194472B2 (en) 2013-03-14 2015-11-24 Dana Limited Ball type continuously variable transmission
US9347532B2 (en) 2012-01-19 2016-05-24 Dana Limited Tilting ball variator continuously variable transmission torque vectoring device
US9353842B2 (en) 2012-09-07 2016-05-31 Dana Limited Ball type CVT with powersplit paths
WO2016094254A1 (fr) * 2014-12-08 2016-06-16 Dana Limited Transmission planétaire à variation continue pour l'entraînement des roues avant et des roues arrière en 3 modes
US9404414B2 (en) 2013-02-08 2016-08-02 Dana Limited Internal combustion engine coupled turbocharger with an infinitely variable transmission
US9416858B2 (en) 2012-09-07 2016-08-16 Dana Limited Ball type continuously variable transmission/infinitely variable transmission
WO2016160360A1 (fr) * 2015-03-31 2016-10-06 Fallbrook Intellectual Property Company Llc Ensembles planétaires divisés équilibrés comprenant des mécanismes différentiels intégrés, et variateurs et transmissions comprenant des ensembles planétaires divisés équilibrés
US9541179B2 (en) 2012-02-15 2017-01-10 Dana Limited Transmission and driveline having a tilting ball variator continuously variable transmission
US9551404B2 (en) 2013-03-14 2017-01-24 Dana Limited Continuously variable transmission and an infinitely variable transmission variator drive
US9556941B2 (en) 2012-09-06 2017-01-31 Dana Limited Transmission having a continuously or infinitely variable variator drive
US9556943B2 (en) 2012-09-07 2017-01-31 Dana Limited IVT based on a ball-type CVP including powersplit paths
WO2017027404A1 (fr) * 2015-08-07 2017-02-16 Dana Limited Système de commande pour transmission à variation continue
US9599204B2 (en) 2012-09-07 2017-03-21 Dana Limited Ball type CVT with output coupled powerpaths
US9638296B2 (en) 2012-09-07 2017-05-02 Dana Limited Ball type CVT including a direct drive mode
US9676391B2 (en) 2007-02-01 2017-06-13 Fallbrook Intellectual Property Company Llc Systems and methods for control of transmission and/or prime mover
US9683640B2 (en) 2008-06-06 2017-06-20 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US9709138B2 (en) 2005-11-22 2017-07-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9726282B2 (en) 2006-06-26 2017-08-08 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9739375B2 (en) 2007-12-21 2017-08-22 Fallbrook Intellectual Property Company Llc Automatic transmissions and methods therefor
US9777815B2 (en) 2013-06-06 2017-10-03 Dana Limited 3-mode front wheel drive and rear wheel drive continuously variable planetary transmission
US9850993B2 (en) 2008-02-29 2017-12-26 Fallbrook Intellectual Property Company Llc Continuously and/or infinitely variable transmissions and methods therefor
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US9878717B2 (en) 2008-08-05 2018-01-30 Fallbrook Intellectual Property Company Llc Systems and methods for control of transmission and/or prime mover
US9903450B2 (en) 2008-08-26 2018-02-27 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9920823B2 (en) 2009-04-16 2018-03-20 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9945456B2 (en) 2007-06-11 2018-04-17 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9950608B2 (en) 2005-10-28 2018-04-24 Fallbrook Intellectual Property Company Llc Electromotive drives
US10006529B2 (en) 2014-06-17 2018-06-26 Dana Limited Off-highway continuously variable planetary-based multimode transmission including infinite variable transmission and direct continuously variable transmission
US10030751B2 (en) 2013-11-18 2018-07-24 Dana Limited Infinite variable transmission with planetary gear set
US10030748B2 (en) 2012-11-17 2018-07-24 Dana Limited Continuously variable transmission
US10030594B2 (en) 2015-09-18 2018-07-24 Dana Limited Abuse mode torque limiting control method for a ball-type continuously variable transmission
US10036453B2 (en) 2004-10-05 2018-07-31 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10047861B2 (en) 2016-01-15 2018-08-14 Fallbrook Intellectual Property Company Llc Systems and methods for controlling rollback in continuously variable transmissions
US10056811B2 (en) 2007-04-24 2018-08-21 Fallbrook Intellectual Property Company Llc Electric traction drives
US10066713B2 (en) 2008-06-23 2018-09-04 Fallbrook Intellectual Property Company Llc Continuously variable transmission
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US10088022B2 (en) 2013-11-18 2018-10-02 Dana Limited Torque peak detection and control mechanism for a CVP
US10094453B2 (en) 2007-02-16 2018-10-09 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US10100927B2 (en) 2007-11-16 2018-10-16 Fallbrook Intellectual Property Company Llc Controller for variable transmission
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CN109707806A (zh) * 2017-10-25 2019-05-03 Zf 腓德烈斯哈芬股份公司 功率分流式无级传动设备
US10323732B2 (en) 2013-04-19 2019-06-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
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US10626969B2 (en) * 2017-10-25 2020-04-21 Zf Friedrichshafen Ag Power-split continuously variable transmission device
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US9850993B2 (en) 2008-02-29 2017-12-26 Fallbrook Intellectual Property Company Llc Continuously and/or infinitely variable transmissions and methods therefor
US10634224B2 (en) 2008-06-06 2020-04-28 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US9683640B2 (en) 2008-06-06 2017-06-20 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US10066713B2 (en) 2008-06-23 2018-09-04 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9878717B2 (en) 2008-08-05 2018-01-30 Fallbrook Intellectual Property Company Llc Systems and methods for control of transmission and/or prime mover
US9903450B2 (en) 2008-08-26 2018-02-27 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10704657B2 (en) 2008-08-26 2020-07-07 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10253880B2 (en) 2008-10-14 2019-04-09 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9920823B2 (en) 2009-04-16 2018-03-20 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10746270B2 (en) 2009-04-16 2020-08-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10066712B2 (en) 2010-03-03 2018-09-04 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US10197147B2 (en) 2010-11-10 2019-02-05 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9347532B2 (en) 2012-01-19 2016-05-24 Dana Limited Tilting ball variator continuously variable transmission torque vectoring device
US10428915B2 (en) 2012-01-23 2019-10-01 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US9541179B2 (en) 2012-02-15 2017-01-10 Dana Limited Transmission and driveline having a tilting ball variator continuously variable transmission
US9556941B2 (en) 2012-09-06 2017-01-31 Dana Limited Transmission having a continuously or infinitely variable variator drive
US9689477B2 (en) 2012-09-07 2017-06-27 Dana Limited Ball type continuously variable transmission/infinitely variable transmission
US9638296B2 (en) 2012-09-07 2017-05-02 Dana Limited Ball type CVT including a direct drive mode
US9416858B2 (en) 2012-09-07 2016-08-16 Dana Limited Ball type continuously variable transmission/infinitely variable transmission
US9556943B2 (en) 2012-09-07 2017-01-31 Dana Limited IVT based on a ball-type CVP including powersplit paths
US9353842B2 (en) 2012-09-07 2016-05-31 Dana Limited Ball type CVT with powersplit paths
US10006527B2 (en) 2012-09-07 2018-06-26 Dana Limited Ball type continuously variable transmission/infinitely variable transmission
US9599204B2 (en) 2012-09-07 2017-03-21 Dana Limited Ball type CVT with output coupled powerpaths
US9052000B2 (en) 2012-09-07 2015-06-09 Dana Limited Ball type CVT/IVT including planetary gear sets
US10088026B2 (en) 2012-09-07 2018-10-02 Dana Limited Ball type CVT with output coupled powerpaths
US10030748B2 (en) 2012-11-17 2018-07-24 Dana Limited Continuously variable transmission
US9644530B2 (en) 2013-02-08 2017-05-09 Dana Limited Internal combustion engine coupled turbocharger with an infinitely variable transmission
US9404414B2 (en) 2013-02-08 2016-08-02 Dana Limited Internal combustion engine coupled turbocharger with an infinitely variable transmission
US9638301B2 (en) 2013-03-14 2017-05-02 Dana Limited Ball type continuously variable transmission
US9689482B2 (en) 2013-03-14 2017-06-27 Dana Limited Ball type continuously variable transmission
US9933054B2 (en) 2013-03-14 2018-04-03 Dana Limited Continuously variable transmission and an infinitely variable transmission variator drive
US9551404B2 (en) 2013-03-14 2017-01-24 Dana Limited Continuously variable transmission and an infinitely variable transmission variator drive
US9194472B2 (en) 2013-03-14 2015-11-24 Dana Limited Ball type continuously variable transmission
US10323732B2 (en) 2013-04-19 2019-06-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9777815B2 (en) 2013-06-06 2017-10-03 Dana Limited 3-mode front wheel drive and rear wheel drive continuously variable planetary transmission
US10030751B2 (en) 2013-11-18 2018-07-24 Dana Limited Infinite variable transmission with planetary gear set
US10088022B2 (en) 2013-11-18 2018-10-02 Dana Limited Torque peak detection and control mechanism for a CVP
US10006529B2 (en) 2014-06-17 2018-06-26 Dana Limited Off-highway continuously variable planetary-based multimode transmission including infinite variable transmission and direct continuously variable transmission
WO2016094254A1 (fr) * 2014-12-08 2016-06-16 Dana Limited Transmission planétaire à variation continue pour l'entraînement des roues avant et des roues arrière en 3 modes
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