CN103603934B - A kind of stepless speed changing mechanism - Google Patents

A kind of stepless speed changing mechanism Download PDF

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Publication number
CN103603934B
CN103603934B CN201310362297.1A CN201310362297A CN103603934B CN 103603934 B CN103603934 B CN 103603934B CN 201310362297 A CN201310362297 A CN 201310362297A CN 103603934 B CN103603934 B CN 103603934B
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CN
China
Prior art keywords
drivewheel
driven pulley
movable part
gear
shaft
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CN201310362297.1A
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Chinese (zh)
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CN103603934A (en
Inventor
曾江华
骆如明
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Priority to CN201310362297.1A priority Critical patent/CN103603934B/en
Publication of CN103603934A publication Critical patent/CN103603934A/en
Priority to DE102014111825.1A priority patent/DE102014111825A1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H9/00Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
    • F16H9/02Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
    • F16H9/04Gearings 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
    • F16H9/12Gearings 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
    • F16H9/16Gearings 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
    • F16H9/18Gearings 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06Combinations 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
    • F16H37/08Combinations 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
    • F16H37/0833Combinations 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
    • F16H37/084Combinations 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
    • F16H37/0846CVT using endless flexible members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/04Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
    • F16H63/06Final 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
    • F16H63/065Final 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 hydraulic actuating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06Combinations 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
    • F16H37/08Combinations 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
    • F16H37/0833Combinations 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
    • F16H37/084Combinations 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
    • F16H2037/088Power split variators with summing differentials, with the input of the CVT connected or connectable to the input shaft

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Friction Gearing (AREA)
  • Transmissions By Endless Flexible Members (AREA)

Abstract

A kind of stepless speed changing mechanism, including power input shaft and output shaft, a differential gear set it is provided with between power shaft and output shaft, this differential gear set includes being fixed on power shaft and the input bevel gear of power shaft synchronous axial system, the output bevel gear wheel that is fixed on output shaft to rotate with output shaft synchronous and multiple while take turns, with input bevel gear and output bevel gear, the bevel planet gear that is simultaneously engaged, each bevel planet gear is fixed on a gear ring inwall, this gear ring and feedback gear engagement, this feedback gear be fixed in a rotating shaft and with this rotating shaft synchronous axial system, the regulating module regulating rotating ratio it is provided with between rotating shaft and power shaft.The present invention is compared with existing stepless speed changing mechanism, structure is more succinct, make, install, safeguard and control convenient, real function of stepless speed regulation can be realized by controlling regulating module, and forward output, zero output and reverse output function can be realized, applied range, also convenient.

Description

A kind of stepless speed changing mechanism
Technical field
The present invention relates to the improvement opportunity of stepless speed changing mechanism.
Background technology
It is complicated that existing stepless speed changing mechanism is especially applicable to the stepless speed changing mechanism structure in vehicle, and the required precision for each parts is higher, makes and safeguards complicated, relatively costly, and frictional dissipation is big, and slewing range is limited.
Summary of the invention
In view of this, the present invention provides a kind of simple for structure, stepless speed changing mechanism that range of infinitely variable speeds is big, easy to control.
The design that the present invention takes is:
A kind of stepless speed changing mechanism, including power input shaft and output shaft, a differential gear set it is provided with between power shaft and output shaft, this differential gear set includes being fixed on power shaft and the input bevel gear of power shaft synchronous axial system, the output bevel gear wheel that is fixed on output shaft to rotate with output shaft synchronous and multiple while take turns, with input bevel gear and output bevel gear, the bevel planet gear that is simultaneously engaged, each bevel planet gear is fixed on a planet carrier, planet carrier is provided with a gear ring, this gear ring and feedback gear engagement, this feedback gear be fixed in a rotating shaft and with this rotating shaft synchronous axial system, the regulating module regulating rotating ratio it is provided with between rotating shaft and power shaft.
Wherein, described regulating module include being fixed on power shaft and with the drivewheel standing part of power shaft synchronous axial system, it is installed on power shaft the drivewheel movable part that can move axially along power shaft, be fixed in rotating shaft and with the driven pulley standing part of rotating shaft synchronous axial system and be installed in rotating shaft the driven pulley movable part that can move axially along rotating shaft, two medial surface that drivewheel standing part is corresponding with drivewheel movable part are the inclined plane opened laterally, two medial surface that driven pulley standing part is corresponding with driven pulley movable part are the inclined plane opened laterally, drivewheel standing part forms the bottom width cannelure less than top width with the inclined plane of drivewheel movable part and the inclined plane of driven pulley standing part and driven pulley movable part, two cannelures are provided with transmission band, described drivewheel movable part and driven pulley movable part are by driving Component driver to realize moving axially.
Wherein, described transmission band is connected sheet by more piece and is connected in series by active pin, and connecting sheet lateral wall is the inclined-plane mated with inclined plane.And connection sheet arranged side by side it is provided with at the two ends of active pin, outer connection sheet that this connection sheet includes being positioned at active pin outer end and be positioned at the connection sheet inside outer connection sheet, outer connection sheet is arranged alternately with the interior sheet that is connected, and inclined-plane is arranged at outer connection sheet lateral wall.Inclined-plane is fixed with the friction plate directly contacted with inclined plane for increasing frictional force.
Wherein, described driving assembly includes drivewheel hydraulic cylinder and driven pulley hydraulic cylinder, drivewheel hydraulic cylinder connects drivewheel movable part and drives drivewheel movable part to move, driven pulley hydraulic cylinder connects driven pulley movable part and drives driven pulley movable part to move, by pipeline connection between drivewheel hydraulic cylinder and driven pulley hydraulic cylinder, pipeline is provided with two-way pump.
The present invention is compared with existing stepless speed changing mechanism, structure is more succinct, make, install, safeguard and control convenient, real function of stepless speed regulation can be realized by controlling regulating module, and forward output, zero output and reverse output function can be realized, applied range, also convenient.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention entirety principle schematic.
Fig. 2 is the multiple connection sheet of the present embodiment transmission band and active pin attachment structure schematic diagram.
Fig. 3 is that the present embodiment transmission band connects sheet and another viewing angle constructions schematic diagram of active pin.
Detailed description of the invention
In order to allow those skilled in the art be more fully understood that technical scheme, below in conjunction with accompanying drawing, the present invention is further elaborated.
As shown in accompanying drawing 1,2,3.The stepless speed changing mechanism that the present embodiment discloses includes power input shaft 1 and output shaft 2, is provided with a differential gear set 3 between power shaft 1 and output shaft 2.This this differential gear set 3 includes being fixed on power shaft 1 and the input bevel gear 31 of power shaft 1 synchronous axial system, it is fixed on output shaft 2 while of taking turns 32 with the output bevel gear of output shaft 2 synchronous axial system and be multiple and input bevel gear 31 and output bevel gear take turns 32 bevel planet gears 33 being simultaneously engaged, each bevel planet gear 33 is fixed on a planet carrier 341, planet carrier 341 is provided with a gear ring 34, this gear ring 34 engages with a feedback gear 4, this feedback gear 4 be fixed in a rotating shaft 5 and with this rotating shaft 5 synchronous axial system, the regulating module 6 regulating rotating ratio it is provided with between rotating shaft 5 and power shaft 1.
The regulating module 6 of the present embodiment design include being fixed on power shaft 1 and with the drivewheel standing part 61 of power shaft 1 synchronous axial system, it is installed on power shaft 1 the drivewheel movable part 62 that can move axially along power shaft 1, be fixed in rotating shaft 5 and with the driven pulley standing part 63 of rotating shaft 5 synchronous axial system and be installed in rotating shaft 5 the driven pulley movable part 64 that can move axially along rotating shaft 5, two medial surface that drivewheel standing part 61 is corresponding with drivewheel movable part 62 are the inclined plane 65 opened laterally, two medial surface of driven pulley standing part 63 and driven pulley movable part 64 correspondence are the inclined plane opened laterally equally, drivewheel standing part 61 forms the bottom width cannelure 66 less than top width with the inclined plane of drivewheel movable part 62 and the inclined plane of driven pulley standing part 63 and driven pulley movable part 64, two cannelures 66 are provided with transmission band 67, and, drivewheel movable part 62 and driven pulley movable part 64 are by driving assembly 68 to drive realization to move axially.When regulating drivewheel movable part or driven pulley movable part makes the width of cannelure 66 less than transmission band 67 width, effect lower drive belts 67 in inclined plane 65 is around in the section diameter on cannelure 66 and becomes big, otherwise then diameter diminishes, the width of cannelure 66 is changed by adjustment drivewheel movable part 62 and driven pulley movable part 64, the diameter that conveyer belt 67 is around in power shaft 1 part can be made to change with the diameter ratio being around in rotating shaft 5 part, thus the transmission velocity ratio changed between power shaft 1 and rotating shaft 5.
The driving assembly 68 of the present embodiment design includes drivewheel hydraulic cylinder 68 and driven pulley hydraulic cylinder 69, drivewheel hydraulic cylinder 68 connects drivewheel movable part 62 and drives drivewheel movable part 62 to move, driven pulley hydraulic cylinder 69 connects driven pulley movable part 64 and drives driven pulley movable part 64 to move, by pipeline connection between drivewheel hydraulic cylinder 68 and driven pulley hydraulic cylinder 69, pipeline is provided with two-way pump 681.When two-way pump 681 is to drivewheel hydraulic cylinder 68 direction discharge pressure oil, drivewheel hydraulic cylinder 68 drives drivewheel movable part 62 to move to drivewheel standing part 61, this cannelure 66 reduced width, thus transmission band 67 diameter being around in this cannelure 66 can be made to become big, otherwise makes diameter diminish;When two-way pump 681 is to driven pulley hydraulic cylinder 69 discharge pressure oil, driven pulley hydraulic cylinder 69 drives driven pulley movable part 64 to move to driven pulley standing part 63, this cannelure 66 reduced width, thus transmission band 67 diameter being around in this cannelure 66 can be made to become big, otherwise making diameter diminish, meanwhile, drivewheel hydraulic cylinder 68 bounces back, corresponding annular groove width becomes big, and transmission band 67 section diameter being around in this cannelure diminishes.
The transmission band 67 of the present embodiment is connected sheet 671 by more piece and is connected in series by active pin 672, and connecting sheet 671 lateral wall is the inclined-plane 673 mated with inclined plane.More particularly, connection sheet 671 arranged side by side it is provided with at the two ends of active pin 672, outer connection sheet 6711 that this connection sheet 671 includes being positioned at active pin 672 outer end and be positioned at the connection 6712 inside outer connection sheet 6711, outer connection sheet 6711 is arranged alternately with the interior sheet 6712 that is connected, both by active pin 672 head and the tail series winding, inclined-plane is arranged at the lateral wall of outer connection sheet 6712.Further, inclined-plane is fixed with the friction plate directly contacted for increasing frictional force with inclined plane.
Be forward, zero output and output shaft by output shaft below it is that reverse three aspects carry out principle explanation for the ease of it will be appreciated by those skilled in the art that, first, it is assumed that the transmission velocity ratio of gear ring 34 and feedback gear 4 is 2:1.
1. when output shaft output state needs for forward, by regulating regulating module, make the drive belt ring being around in the cannelure between drivewheel standing part and drivewheel movable part around diameter more than the drive belt ring in the cannelure being around between driven pulley standing part and driven pulley movable part around diameter, both, when making the rotating ratio between power shaft and rotating shaft more than 1 by regulating module, input bevel gear rotating speed is less than passing through rotating shaft, the gear ring rotating speed that feedback gear controls, the direction of rotation being transferred to output bevel gear wheel from there through bevel planet gear is contrary, output shaft is forward output.
2. when output shaft output state needs for time reverse, by regulating regulating module, make the drive belt ring being around in the cannelure between drivewheel standing part and drivewheel movable part around diameter less than the drive belt ring in the cannelure being around between driven pulley standing part and driven pulley movable part around diameter, both, when making the rotating ratio between power shaft and rotating shaft less than 1 by regulating module, input bevel gear rotating speed is more than passing through rotating shaft, the gear ring rotating speed that feedback gear controls, the direction of rotation being transferred to output bevel gear wheel from there through bevel planet gear is contrary, output shaft is reversely output.
3. when output shaft output state is zero, both when output shaft is without output resting state, by regulating regulating module, the drive belt ring being around in the cannelure between drivewheel standing part and drivewheel movable part is made to be equal to the drive belt ring in the cannelure being around between driven pulley standing part and driven pulley movable part around diameter around diameter, both, when making the rotating ratio between power shaft and rotating shaft equal to 1 by regulating module, input bevel gear rotating speed is equal to passing through rotating shaft, the gear ring rotating speed that feedback gear controls, the power being transferred to output bevel gear wheel from there through bevel planet gear is zero, output shaft is without output state.
Can be seen that from each process above, around diameter and it is around in the ratio around diameter of the drive belt ring in the cannelure between driven pulley standing part and driven pulley movable part by the drive belt ring in the suitable cannelure being around between drivewheel standing part and drivewheel movable part, output shaft forward output step-less adjustment, output shaft can be reached reversely export and without the control exported, easy to control, greatly expand the range of application of buncher.
The stepless speed changing mechanism of present invention design, without complicated rear parts, simultaneously without other clutch controllers, simplifies the complexity of rear structure during application.And in the transmission of power, transmission band is only one of speed control unit, it not the main of power transmission or unique parts, decrease the load of transmission band, improve the service life of transmission band.
It it is more than the present invention preferably implementation; it should be noted that; when without departing substantially from present invention spirit and essence thereof; those of ordinary skill in the art are when can make various corresponding change and deformation according to the present invention, and these change and deformation all should belong to the scope of the claims appended by the present invention.

Claims (2)

1. a stepless speed changing mechanism, including power input shaft (1) and output shaft (2), it is characterized in that, a differential gear set (3) it is provided with between power shaft and output shaft, this differential gear set includes being fixed on power shaft and the input bevel gear of power shaft synchronous axial system (31), it is fixed on output shaft while of taking turns (32) with the output bevel gear of output shaft synchronous rotation and be multiple and input bevel gear and output bevel gear take turns the bevel planet gear (33) being simultaneously engaged, each bevel planet gear is fixed on a planet carrier (341), planet carrier is provided with a gear ring (34), this gear ring and a feedback gear (4) engagement, this feedback gear be fixed on a rotating shaft (5) upper and with this rotating shaft synchronous axial system, the regulating module (6) regulating rotating ratio it is provided with between rotating shaft and power shaft;Described regulating module include being fixed on power shaft and with the drivewheel standing part (61) of power shaft synchronous axial system, it is installed on power shaft the drivewheel movable part (62) that can move axially along power shaft, be fixed in rotating shaft and with the driven pulley standing part (63) of rotating shaft synchronous axial system and be installed in rotating shaft the driven pulley movable part (64) that can move axially along rotating shaft, two medial surface that drivewheel standing part is corresponding with drivewheel movable part are the inclined plane (65) opened laterally, two medial surface that driven pulley standing part is corresponding with driven pulley movable part are the inclined plane opened laterally, drivewheel standing part forms the bottom width cannelure (66) less than top width with the inclined plane of drivewheel movable part and the inclined plane of driven pulley standing part and driven pulley movable part, two cannelures are provided with transmission band (67), described drivewheel movable part and driven pulley movable part are by driving Component driver to realize moving axially;Described transmission band is connected sheet (671) by more piece and is connected in series by active pin (672), and connecting sheet lateral wall is the inclined-plane (673) mated with inclined plane;Connection sheet arranged side by side it is provided with at the two ends of active pin, outer connection sheet (6711) that this connection sheet includes being positioned at active pin outer end and be positioned at connection (6712) sheet inside outer connection sheet, outer connection sheet is arranged alternately with the interior sheet that is connected, and inclined-plane is arranged at outer connection sheet lateral wall;Inclined-plane is fixed with the friction plate directly contacted with inclined plane for increasing frictional force.
2. stepless speed changing mechanism according to claim 1, it is characterized in that, described driving assembly includes drivewheel hydraulic cylinder (68) and driven pulley hydraulic cylinder (69), drivewheel hydraulic cylinder connects drivewheel movable part and drives drivewheel movable part to move, driven pulley hydraulic cylinder connects driven pulley movable part and drives driven pulley movable part to move, by pipeline connection between drivewheel hydraulic cylinder and driven pulley hydraulic cylinder, pipeline is provided with two-way pump (681).
CN201310362297.1A 2013-08-20 2013-08-20 A kind of stepless speed changing mechanism Active CN103603934B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201310362297.1A CN103603934B (en) 2013-08-20 2013-08-20 A kind of stepless speed changing mechanism
DE102014111825.1A DE102014111825A1 (en) 2013-08-20 2014-08-19 Stepless transmission mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310362297.1A CN103603934B (en) 2013-08-20 2013-08-20 A kind of stepless speed changing mechanism

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Publication Number Publication Date
CN103603934A CN103603934A (en) 2014-02-26
CN103603934B true CN103603934B (en) 2016-06-29

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DE (1) DE102014111825A1 (en)

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WO2016082133A1 (en) * 2014-11-26 2016-06-02 GM Global Technology Operations LLC Continuously variable transmission
CN105042005B (en) * 2015-06-26 2017-08-11 山西能源学院 The wheeled adaptive transmission of conical tooth
CN107664194A (en) * 2016-07-28 2018-02-06 钟跃荣 A kind of mechanical stepless speed change method and buncher
CN108506438B (en) * 2018-03-19 2023-08-22 周卫伟 Cone pulley assembly, stepless speed change mechanism and stepless speed change box comprising same
CN108591400B (en) * 2018-06-19 2021-04-06 高则行 Power transmission device and wind turbine comprising same
CN108999944A (en) * 2018-10-26 2018-12-14 彭德春 A kind of stepless transmission
CN112481596B (en) * 2020-11-27 2022-01-14 厦门大学 Workpiece rotating device and ion beam physical vapor deposition device
CN112610670A (en) * 2020-12-21 2021-04-06 陈藕生 Stepless speed variator

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DE2453727A1 (en) * 1974-11-13 1976-05-26 Rudolf Rueckert Continuously variable belt transmission gear - has belt drive combined with differential gear and worm gear
GB2054774A (en) * 1979-08-02 1981-02-18 Seymour J A Steplessly variable epicyclic gearing
CN101622148A (en) * 2007-02-23 2010-01-06 通用汽车环球科技运作公司 Low cost torque vectoring system
CN102588546A (en) * 2012-03-08 2012-07-18 胡泓海 Differential-type efficient electrodeless transmission
CN103174814A (en) * 2011-12-26 2013-06-26 高则行 Transmission system
CN103234010A (en) * 2013-04-12 2013-08-07 罗虎 Stepless speed change hybrid power connecting mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453727A1 (en) * 1974-11-13 1976-05-26 Rudolf Rueckert Continuously variable belt transmission gear - has belt drive combined with differential gear and worm gear
GB2054774A (en) * 1979-08-02 1981-02-18 Seymour J A Steplessly variable epicyclic gearing
CN101622148A (en) * 2007-02-23 2010-01-06 通用汽车环球科技运作公司 Low cost torque vectoring system
CN103174814A (en) * 2011-12-26 2013-06-26 高则行 Transmission system
CN102588546A (en) * 2012-03-08 2012-07-18 胡泓海 Differential-type efficient electrodeless transmission
CN103234010A (en) * 2013-04-12 2013-08-07 罗虎 Stepless speed change hybrid power connecting mechanism

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CN103603934A (en) 2014-02-26
DE102014111825A1 (en) 2015-02-26

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