EP4103863A4 - INFINITELY VARIABLE TRANSMISSION WITH UNIFORM INPUT-OUTPUT RATIO THAT IS NOT FRICTION DEPENDENT - Google Patents

INFINITELY VARIABLE TRANSMISSION WITH UNIFORM INPUT-OUTPUT RATIO THAT IS NOT FRICTION DEPENDENT Download PDF

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Publication number
EP4103863A4
EP4103863A4 EP21752950.2A EP21752950A EP4103863A4 EP 4103863 A4 EP4103863 A4 EP 4103863A4 EP 21752950 A EP21752950 A EP 21752950A EP 4103863 A4 EP4103863 A4 EP 4103863A4
Authority
EP
European Patent Office
Prior art keywords
continuously variable
variable transmission
output ratio
independent input
uniform clutch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21752950.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4103863A1 (en
Inventor
Raja Ramanujam Rajendran
Prashanth Ram Rajendran
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from PCT/US2020/036636 external-priority patent/WO2020251892A1/en
Application filed by Individual filed Critical Individual
Publication of EP4103863A1 publication Critical patent/EP4103863A1/en
Publication of EP4103863A4 publication Critical patent/EP4103863A4/en
Pending legal-status Critical Current

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
    • F16H27/00—Step-by-step mechanisms without freewheel members, e.g. Geneva drives
    • F16H27/04—Step-by-step mechanisms without freewheel members, e.g. Geneva drives for converting continuous rotation into a step-by-step rotary movement
    • F16H27/06—Mechanisms with driving pins in driven slots, e.g. Geneva drives
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
    • 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
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • F16H19/043—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack for converting reciprocating movement in a continuous rotary movement or vice versa, e.g. by opposite racks engaging intermittently for a part of the stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H29/00—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action
    • F16H29/20—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action the intermittently-acting members being shaped as worms, screws, or racks
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
    • F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
    • F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/42—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion with gears having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/76—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with an orbital gear having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable
    • 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
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F16H35/02—Gearings or mechanisms with other special functional features for conveying rotary motion with cyclically varying velocity ratio
    • 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
    • F16H61/04—Smoothing ratio shift
    • F16H61/0403—Synchronisation before shifting
    • 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
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F16H2035/003—Gearings comprising pulleys or toothed members of non-circular shape, e.g. elliptical gears
    • 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
    • F16H61/04—Smoothing ratio shift
    • F16H2061/0425—Bridging torque interruption
    • F16H2061/0429—Bridging torque interruption by torque supply with a clutch in parallel torque path
    • 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
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Structure Of Transmissions (AREA)
EP21752950.2A 2020-02-12 2021-02-12 INFINITELY VARIABLE TRANSMISSION WITH UNIFORM INPUT-OUTPUT RATIO THAT IS NOT FRICTION DEPENDENT Pending EP4103863A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202062975751P 2020-02-12 2020-02-12
PCT/US2020/036636 WO2020251892A1 (en) 2019-06-08 2020-06-08 Pseudo continuously variable transmission, a multi speed transmission capable of uninterrupted shifting (mstus)
PCT/US2021/017984 WO2021163583A1 (en) 2020-02-12 2021-02-12 Infinitely variable transmission with uniform input-to-output ratio that is non-dependent on friction

Publications (2)

Publication Number Publication Date
EP4103863A1 EP4103863A1 (en) 2022-12-21
EP4103863A4 true EP4103863A4 (en) 2024-05-15

Family

ID=77291880

Family Applications (2)

Application Number Title Priority Date Filing Date
EP21752950.2A Pending EP4103863A4 (en) 2020-02-12 2021-02-12 INFINITELY VARIABLE TRANSMISSION WITH UNIFORM INPUT-OUTPUT RATIO THAT IS NOT FRICTION DEPENDENT
EP21821579.6A Pending EP4162175A4 (en) 2020-02-12 2021-06-07 Pseudo continuously variable transmission with uninterrupted shifting

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP21821579.6A Pending EP4162175A4 (en) 2020-02-12 2021-06-07 Pseudo continuously variable transmission with uninterrupted shifting

Country Status (6)

Country Link
EP (2) EP4103863A4 (https=)
JP (2) JP7751930B2 (https=)
KR (1) KR20230020526A (https=)
CN (1) CN114423966B (https=)
CA (2) CA3165829A1 (https=)
WO (2) WO2021163583A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114992303B (zh) * 2022-05-30 2024-04-12 武汉理工大学 一种用于作动缸的单向位移补偿装置
TW202545926A (zh) 2024-01-12 2025-12-01 瑞典商阿斯特捷利康公司 作為菸鹼醯胺ｎ—甲基轉移酶抑制劑的哌啶衍生物
CN118650053A (zh) * 2024-07-18 2024-09-17 维之恩轴承(江苏)有限公司 一种双金属板材加工设备

Citations (3)

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US2015662A (en) * 1929-11-21 1935-10-01 Lynch Corp Glassware forming machine
JPS5988557U (ja) * 1982-12-03 1984-06-15 柳沢　健 間欠送りの送り量調整機構
US20190003564A1 (en) * 2017-03-10 2019-01-03 Raja Ramanujam Rajendran Continuously variable transmission with uniform input-to-output ratio that is non- dependent on friction

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US901980A (en) * 1908-10-27 George E Briggs Speed-changing gear.
US851842A (en) * 1906-10-06 1907-04-30 Niles Bement Pond Co Power-transmission device.
GB659415A (en) * 1949-01-24 1951-10-24 Marconi Wireless Telegraph Co Improvements in or relating to driving mechanisms of intermittently varying speed
GB998248A (en) * 1961-02-02 1965-07-14 Konrad Zuse Transmission devices for coupling a driven shaft to a driving shaft
US4989641A (en) * 1989-10-11 1991-02-05 Santa Fe Energy Co. Rotary selector valve
US5197354A (en) * 1990-11-13 1993-03-30 Leggett & Platt Incorporated Angular drive intermittent motion mechanism
JP3432843B2 (ja) * 1992-06-02 2003-08-04 本田技研工業株式会社 車両の変速制御装置
DE69701756T2 (de) * 1996-02-19 2000-09-07 Hiromitsu Yamada Malteserkreuzgetriebe
WO1999063583A2 (en) 1998-06-05 1999-12-09 Applied Materials, Inc. Improved method and apparatus for contacting a wafer
WO2000023729A2 (en) * 1998-10-16 2000-04-27 Ker-Train Holdings Ltd. All gear infinitely variable transmission
DE10297627T5 (de) * 2002-01-04 2005-01-13 Varibox Pty. Ltd. Winkelgeschwindigkeitsprofilgenerator
US7011322B2 (en) * 2002-06-27 2006-03-14 Beale William T Automatic transmission with stepless, continuously variable speed and torque ratio
CN2823681Y (zh) * 2005-06-24 2006-10-04 江苏扬力集团有限公司 双曲柄六连杆机构
WO2007059539A1 (en) * 2005-11-15 2007-05-24 Varibox (Pty) Limited Geneva motion machine controller
WO2008062718A1 (en) * 2006-11-22 2008-05-29 Kyoto University Transmission and gear changing method
EP2171310B1 (en) * 2007-07-02 2010-12-01 Panayiotis Economou Gear-based continuously engaged variable transmission
US20090118043A1 (en) * 2007-11-01 2009-05-07 Iqwind Ltd. Variable diameter gear device and variable transmissions using such devices
JP5321961B2 (ja) * 2009-02-09 2013-10-23 いすゞ自動車株式会社 変速機
JP5229335B2 (ja) 2010-04-14 2013-07-03 株式会社デンソー 無段変速装置およびエアコンシステム
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JP6454456B2 (ja) 2014-03-18 2019-01-16 ラジェンドラン、ラジャ、ラマヌジャム 摩擦に依存しない入力−出力均一の比率で無段変速機
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WO2020251599A1 (en) * 2019-06-08 2020-12-17 Rajendran Raja Ramanujam Pseudo continuously variable transmission, a multi speed transmission capable of uninterrupted shifting (mstus)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2015662A (en) * 1929-11-21 1935-10-01 Lynch Corp Glassware forming machine
JPS5988557U (ja) * 1982-12-03 1984-06-15 柳沢　健 間欠送りの送り量調整機構
US20190003564A1 (en) * 2017-03-10 2019-01-03 Raja Ramanujam Rajendran Continuously variable transmission with uniform input-to-output ratio that is non- dependent on friction

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DANIEL H: "IST EIN STUFENLOSES ECHT FORMSCHLUESSIGES GETRIEBE MOEGLICH?", ANTRIEBSTECHNIK, VEREINIGTE FACHVERLAGE, MAINZ, DE, vol. 23, no. 5, 1 January 1984 (1984-01-01), pages 49/50, XP001160734, ISSN: 0722-8546 *
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See also references of WO2021163583A1 *

Also Published As

Publication number Publication date
CN114423966A (zh) 2022-04-29
KR20230020526A (ko) 2023-02-10
EP4103863A1 (en) 2022-12-21
CA3173031A1 (en) 2021-12-16
JP7751930B2 (ja) 2025-10-09
WO2021252402A1 (en) 2021-12-16
CN114423966B (zh) 2025-11-11
JP2023512775A (ja) 2023-03-29
JP7827399B2 (ja) 2026-03-10
WO2021163583A1 (en) 2021-08-19
EP4162175A1 (en) 2023-04-12
CA3165829A1 (en) 2021-08-19
JP2023529149A (ja) 2023-07-07
EP4162175A4 (en) 2025-01-08

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