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WO2004070235A1 - Transmission multifonction, entierement continue et a inversion de sens - Google Patents

Transmission multifonction, entierement continue et a inversion de sens Download PDF

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Publication number
WO2004070235A1
WO2004070235A1 PCT/HU2003/000051 HU0300051W WO2004070235A1 WO 2004070235 A1 WO2004070235 A1 WO 2004070235A1 HU 0300051 W HU0300051 W HU 0300051W WO 2004070235 A1 WO2004070235 A1 WO 2004070235A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
gear
continuously variable
axle
planet carrier
Prior art date
Application number
PCT/HU2003/000051
Other languages
English (en)
Inventor
Gonda JENÕ
Original Assignee
Jeno Gonda
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 Jeno Gonda filed Critical Jeno Gonda
Priority to AU2003242870A priority Critical patent/AU2003242870A1/en
Publication of WO2004070235A1 publication Critical patent/WO2004070235A1/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
    • F16H37/0846—CVT using endless flexible members
    • 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
    • F16H2009/163—Arrangements of two or more belt gearings mounted in parallel, e.g. for increasing transmittable torque
    • 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
    • F16H2009/166—Arrangements of two or more belt gearings mounted in series, e.g. for increasing ratio coverage
    • 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 transmissions with summing differentials, with the input of the CVT connected or connectable to the input shaft

Definitions

  • Subject of the invention is a multifunctional, entirely continuous, stepless direction shifting transmission.
  • the planetary gearset is a mechanism consisting of several gears, which can have a stationary gear meanwhile any of its wheels are driven via 'mechanical connection.
  • the power transmission is ensured by the meshing of the teeth ?of the gears.
  • the gearset consists of the sun gear and the planetary gears around the sun gear the movements of which are transformed by the planet carrier into direct rotation and the ring gear embodying the moving planetary gears with its inside teeth. All the parts are gears except the planet carrier.
  • the planet carrier is a transmission plate through which the axles of the planet gears are perpendicularly standing out. The axle in the ⁇ middle of the plate transforms the movement of the planetary gears into rotation.
  • the planetary gearset has three connection possibilities. These are the axle of the sun gear,, axle of the planet carrier and the ring gear. All three can be driven and all three output different transmission ratio and direction respectively.
  • the continuously variable belt transmission consists of two pairs of coned-shaped pulleys where the pulleys are receding or nearing to each other and a connecting V- belt.
  • the effective diameter depends upon the distance of the cones.
  • the cone which is minor symmetric and turned against the cone fixed to the drive axle and which is secured against rotating but can be moved to the axle direction, can be moved and the distance between the two cones are changing as per the purpose.
  • the mechanism of the driven (output) axle is identical with the drive (input) axle with the difference that a pressure spring is used instead of a shift stick.
  • the effective diameter of the drive pulley is set by the shift stick via changing the distance between the two cones.
  • the effective diameter of the driven pulley i.e. the distance between the two cones, is set by the pressure spring.
  • the planetary gearset and the belt and pulley transmission are used for a long time in the machine and automotive industries.
  • the stationary wheels and the rotation produced by the ⁇ engine can be connected only by such a mechanism which ensures a fine transmission between the rotating axle of ,the engine and the stationary axle of the transmission.
  • a torque converter or/and a wet . clutch of several plates are utilized, .
  • the desired transmission ratio is produced by using several planetary gearsets in line-connection and the number of planetary gearsets can be even six.
  • Clutch is needed also when using continuously variable belt transmission.
  • one-plate dry (traditional) clutch is used.
  • gear transmission is needed to change the direction of the rotation.
  • an extra clutch is installed.
  • the clutch of the continuously variable belt transmission works as that of the traditional manual transmission.
  • the slow movement of the clutch cannot be avoided at the start the only change is that instead of a clutch pedal a vacuum or electronic device is doing the job.
  • This solution is simple and inexpensive but it has its limits since both mechanisms modifying transmission are capable to modify only small transmission.
  • the weakness of the clutch is that the long period of slow motion can cause burn down.
  • My present invention eliminates the disadvantageous characteristics of the above- mentioned solutions.
  • the present invention aims to create such a power transmission mechanism whose primary axle can rotate and the secondary axle is stationary (RPM 0) and in the mechanism there are neither mechanical nor hydraulic clutches. It is possible that the engine runs continuously driving the transmission and in the transmission almost f everything is rotating, the mechanical connection is constant and despite of all this, the output axle is stationary furthermore it can accelerate from RPM 0 either forward or reverse.
  • the above described aim is solved by an absolute continuous stepless direction shifting transmission consisting of at least one known planetary gearset and at least one known continuously variable belt transmission whereas between two out of any of the following gears of the planetary gearset, sun gear, planet carrier and the ring gear at least one continuously variable belt transmission is built.
  • the continuously variable belt transmission is built between the sun gear and the planet carrier of the transmission using planetary gearset.
  • the continuously variable belt transmission is built between the sun gear and the ring gear of the transmission using planetary gearset.
  • the continuously variable belt transmission is built between the planet carrier and the ring gear of the transmission using planetary gearset.
  • At least two continuously variable belt transmissions are installed in line-connection.
  • At least two continuously variable belt transmissions are installed in chain connection.
  • the continuously variable belt transmission utilize plastic and/or steel and/or composite belt.
  • the transmission as per the Drawing No. 3.1 is the assembly of two known mechanisms, namely a planetary gearset is connected to a continuously variable belt transmission.
  • the planetary gearset consists of sun gear (1), planetary gears (2) and ring gear (3).
  • the sun gear (1) is fixed to the sun gear axle (4) while the ring gear (3) is fixed to the ring gear shaft (14).
  • the axles of the planetary gears (2) are fixed to the planet carrier (5) and the planet gear (5) is fixed to the planet arrier shaft (6).
  • the first output gear (15) is fixed to the shaft (14) while the third output gear (17) is fixed to the output axle (18). Between the first output gear (15) and the third output gear (17) there is a second output gear (16).
  • the continuously variable belt transmission consists of a first cone-shaped pulley (9) and a second cone-shaped pulley (10).
  • the first cone-shaped pulley (9) is fixed to the first axle (7) and the second cone-shaped pulley (10) is fixed to the second axle (8).
  • the first cone-shaped pulley (9) is connected to the second cone-shaped pulley (10) with the belt (12). Beside the first cone-shaped pulley (9) there is the shift stick (11) while beside the second cone-shaped pulley (10) there is the pressure spring (13).
  • the sun gear axle (4) of the sun gear (1) is fixed to the second axle (8) of the second cone-shaped pulley (10).
  • the first axle (7) of the continuously variable belt transmission is connected to the planet carrier shaft (6) of the planet carrier (5) via a tranny (set of gears).
  • the above-mentioned tranny consists of the first intermediary gear (19) fixed to planet carrier shaft (6) of the planet carrier (5) and third intermediary gear (21) fixed to the first axle (7) and the intermediary gear (20) in between.
  • the sun gear (1) is driven via the sun gear axle (4) while the output performed via the planet carrier shaft (14) of the planet carrier (3) engages the output axle (18) using the first output gear (15), the second output gear (16) and the third output gear (17).
  • the continuously variable belt transmission is built between the sun gear (1) and the ring gear (3).
  • the sun gear (1) is driven and the planet carrier (5) performs the output.
  • the sun gear axle (4) of the sun gear (1) is fixed directly to the second axle (8) while the ring gear shaft (14) of the ring gear (3) is fixed to the first axle (7) via the first intermediary gear (19) and the second intermediary gear (20).
  • the planet carrier shaft (6) is fixed to the output axle (18) via a tranny consisting of the first output gear (15), the second output gear (16) and the third output gear (17).
  • the belt transmission is built between the ring gear (3) and the planet carrier (5) in such way fhat the ring gear shaft (14) is connected to the first axle (7) via the first intermediary gear (19) and the second intermediary gear (20) while the planet carrier shaft (6) of the planet carrier (5) is connected to the second axle (8) via the first intermediary gear (23) and the second intermediary gear (24).
  • the operation of the embodiments outlined on the Drawings No. 3.1, 3.2, 3.3 is described below:
  • the primary and secondary axles of the transmission * are fixed to the planetary gearset.
  • the continuously variable belt transmission regulates the output RPM and rotating direction of the planetary gearset with its own RPM.
  • the continuously variable belt transmission can be called regulator.
  • the continuously variable belt transmission is called regulator if its function is identical of the above described.
  • the regulator are driven directly. Due to this drive via the belt (12) the cone-shaped pulley (9) of the regulator and the first axle (7) start to rotate.
  • the first axle (7) of the regulator is connected to the planet carrier shaft (6) via the first intermediary gear (19), the second intermediary gear (20) and the third intermediary gear (21) thus the planet carrier (5) is engaged too. Since the planet carrier (5) regulates the rolling down of the planetary gears (2) on the sun gear (1), the rotation of the planetary gears (2) moves the ring gear (3) which rotates the output axle (18) via the first output gear (15), second output gear (16) and the third output gear (17).
  • the rotation of the sun gear (1) of the planetary gearset drives the planetary gears (2), which freely roll down in the ring gear (3).
  • the ring gear (3) is stationary.
  • the sun gear (1) and the planet carrier (5) rotate at different RPMs.
  • the regulator is connected to the sun gear (1) and the planet carrier (5) and the regulator is set in such way that the gear ratio is to be same that of the sun gear (1) and planet carrier (5).
  • the second cone-shaped pulley (10) drives first axle (7) of the first cone-shaped pulley (9) via the belt (12).
  • the first axle (7) drives the ring gear shaft
  • the RPM difference between the ring gear (3) and the sun gear (1) which can be changed with the shift stick (11) of the regulator, drives the planet carrier (5) through the planetary gears (2).
  • the moving planet carrier shaft (6) drives the output axle (18) through the first output gear (15), the second output gear (16) and the third output gear (17)
  • neutral, forward and reverse gears can be selected by the shift stick (11).
  • the first axle (7) of the first cone- shaped pulley (9) and the ring gear shaft (14) of the ring gear (3) are driven, the latter is driven via the first intermediary gear (19) and the second intermediary gear (20).
  • the second axle (8) of the second cone-shaped pulley (10) is connected to the planet carrier shaft (6) of the planet carrier (5) via the second intermediary gear (24) and the first intermediary gear (23) in such way that rotation of the first axle (7) drives the planet carrier (5). Due to the movement of the planet carrier (5) the planetary gears
  • the transmission of the regulator can be increased via installing several continuously variable belt transmission in chain connection as it is shown on the Drawing No. 5.
  • the second cone-shaped pulley (10) of the previously described continuously variable belt transmission (regulator) is a double pulley and the second part of the pulley (10) is connected to the third pulley via (22) the belt (12).
  • the gear ratio of this chain-connected continuously variable belt transmission equals the sum of the multiplication of the gear ratios of each one of the member continuously variable belt transmissions. It is possible to use the line and chain connected continuously variable belt transmission together furthermore also several planetary gearsets can used which means that the amount of the variations are unlimited.
  • the mechanism can be governed by a traditional gear stick or the most modern electronic device.
  • the multifunctional, absolute continuous stepless direction shifting transmission has several advantages. For example it can produce continuously accelerating rotation from 0 RPM in such way that the RPM of the primary axle of the transmission can be optional. It eliminates the disadvantages of the grating clutches. There is no need to use complicated and expensive torque converters. The mechanism is extremely simple and consists of only a few parts. Drive from reverse to forward is stepless. The engine brake is working at its optimum (used in cars). This solution facilitates to set the optimum ratio between the power and RPM to achieve the minimum needed fuel consumption. There is no need for halvers since it starts from 0 RPM to any direction.
  • the transmission according to this invention can be used all the fields of the machine and automotive industries where .the steel belt transmissions prove to be resistant enough.

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

Abstract

L'invention concerne une transmission multifonction, entièrement continue et à inversion de sens, laquelle transmission incorpore au moins un train planétaire, connu en soi, ainsi qu'au moins une transmission par courroie à variation continue, connue en soi. La présente invention se caractérise en ce qu'au moins une transmission par courroie à variation continue est intégrée entre deux des trois composants suivants, à savoir la roue solaire (1), le porte-satellites (5) et la couronne (3) du train planétaire.
PCT/HU2003/000051 2003-02-07 2003-06-23 Transmission multifonction, entierement continue et a inversion de sens WO2004070235A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003242870A AU2003242870A1 (en) 2003-02-07 2003-06-23 Multifunctional, absolute continuous, stepless direction shifting transmission

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HU0300321A HUP0300321A2 (hu) 2003-02-07 2003-02-07 Többcélú, teljesen fokozatmentes irányváltós váltómű
HUP0300321 2003-02-07

Publications (1)

Publication Number Publication Date
WO2004070235A1 true WO2004070235A1 (fr) 2004-08-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/HU2003/000051 WO2004070235A1 (fr) 2003-02-07 2003-06-23 Transmission multifonction, entierement continue et a inversion de sens

Country Status (3)

Country Link
AU (1) AU2003242870A1 (fr)
HU (1) HUP0300321A2 (fr)
WO (1) WO2004070235A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107664180A (zh) * 2016-07-28 2018-02-06 北京汽车动力总成有限公司 一种无级自动变速器及汽车
CN108662096A (zh) * 2018-07-09 2018-10-16 李振鲁 无级自动变速装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE536759A (fr) *
FR894638A (fr) * 1943-02-12 1944-12-29 Perfectionnements aux variateurs de vitesse
GB689262A (en) * 1949-09-28 1953-03-25 Miag Vertriebs Gmbh Improvements in or relating to collective driving means for machines
GB700783A (en) * 1950-05-24 1953-12-09 Jean Paul Victor Lions Improvements in speed- and torque-change devices
GB742914A (en) * 1952-11-27 1956-01-04 Rene Mangin Improvements in and relating to differential variable speed transmissions
US2889716A (en) * 1955-12-20 1959-06-09 Richard B Doty Variable and reversing power transmission
FR2256692A5 (en) * 1973-12-26 1975-07-25 Weigel Jean Stepless variable speed drive - uses belt drive with coned pulleys together with epicyclic gear train
NL8104281A (nl) * 1981-09-16 1983-04-18 Everardus Joanes Maria Van Vli Transmissiesysteem
US4406178A (en) * 1980-03-10 1983-09-27 Gillade Frans P Power transmission
JPS59205043A (ja) * 1980-07-19 1984-11-20 Toshihisa Hasegawa 正逆転無段変速装置
WO1995034772A1 (fr) * 1994-06-14 1995-12-21 Hartvig Hansen Asger Reducteur a variation continue

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE536759A (fr) *
FR894638A (fr) * 1943-02-12 1944-12-29 Perfectionnements aux variateurs de vitesse
GB689262A (en) * 1949-09-28 1953-03-25 Miag Vertriebs Gmbh Improvements in or relating to collective driving means for machines
GB700783A (en) * 1950-05-24 1953-12-09 Jean Paul Victor Lions Improvements in speed- and torque-change devices
GB742914A (en) * 1952-11-27 1956-01-04 Rene Mangin Improvements in and relating to differential variable speed transmissions
US2889716A (en) * 1955-12-20 1959-06-09 Richard B Doty Variable and reversing power transmission
FR2256692A5 (en) * 1973-12-26 1975-07-25 Weigel Jean Stepless variable speed drive - uses belt drive with coned pulleys together with epicyclic gear train
US4406178A (en) * 1980-03-10 1983-09-27 Gillade Frans P Power transmission
JPS59205043A (ja) * 1980-07-19 1984-11-20 Toshihisa Hasegawa 正逆転無段変速装置
NL8104281A (nl) * 1981-09-16 1983-04-18 Everardus Joanes Maria Van Vli Transmissiesysteem
WO1995034772A1 (fr) * 1994-06-14 1995-12-21 Hartvig Hansen Asger Reducteur a variation continue

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 8319, Derwent World Patents Index; Page 5, AN 1983-G3213K, XP002258786 *
PATENT ABSTRACTS OF JAPAN vol. 009, no. 073 (M - 368) 3 April 1985 (1985-04-03) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107664180A (zh) * 2016-07-28 2018-02-06 北京汽车动力总成有限公司 一种无级自动变速器及汽车
CN107664180B (zh) * 2016-07-28 2023-06-20 北京汽车动力总成有限公司 一种无级自动变速器及汽车
CN108662096A (zh) * 2018-07-09 2018-10-16 李振鲁 无级自动变速装置

Also Published As

Publication number Publication date
AU2003242870A1 (en) 2004-08-30
HUP0300321A2 (hu) 2004-10-28
HU0300321D0 (en) 2003-04-28

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