EP4103863A4 - Infinitely variable transmission with uniform input-to-output ratio that is non-dependent on friction - Google Patents

Infinitely variable transmission with uniform input-to-output ratio that is non-dependent on friction 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
friction
dependent
variable transmission
output ratio
infinitely variable
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)
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
    • 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
    • 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
    • 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
    • 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

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-to-output ratio that is non-dependent on friction 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-to-output ratio that is non-dependent on friction
EP21821579.6A Pending EP4162175A1 (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 EP4162175A1 (en) 2020-02-12 2021-06-07 Pseudo continuously variable transmission with uninterrupted shifting

Country Status (6)

Country Link
EP (2) EP4103863A4 (en)
JP (2) JP2023512775A (en)
KR (1) KR20230020526A (en)
CN (1) CN114423966A (en)
CA (2) CA3165829A1 (en)
WO (2) WO2021163583A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114992303B (en) * 2022-05-30 2024-04-12 武汉理工大学 Unidirectional displacement compensation device for actuating cylinder

Citations (3)

* 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 (en) * 1982-12-03 1984-06-15 柳沢　健 Intermittent feed rate adjustment mechanism
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

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US901980A (en) * 1908-10-27 George E Briggs Speed-changing gear.
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 (en) * 1992-06-02 2003-08-04 本田技研工業株式会社 Vehicle speed change control device
US5906134A (en) * 1996-02-19 1999-05-25 Yamada; Hiromitsu Geneva drive mechanism
ATE249591T1 (en) * 1998-10-16 2003-09-15 Ker Train Holdings Ltd CONTINUOUSLY VARIABLE TRANSMISSION WITH GEARS
US7100466B2 (en) * 2002-01-04 2006-09-05 Varibox (Pty) Limited Angular velocity profile generator
US7011322B2 (en) * 2002-06-27 2006-03-14 Beale William T Automatic transmission with stepless, continuously variable speed and torque ratio
CN2823681Y (en) * 2005-06-24 2006-10-04 江苏扬力集团有限公司 Double crank six connecting rod mechanism
WO2007059539A1 (en) * 2005-11-15 2007-05-24 Varibox (Pty) Limited Geneva motion machine controller
DE602007010989D1 (en) * 2007-07-02 2011-01-13 Panayiotis Economou CONTINUOUS ADJUSTABLE ADJUSTABLE GEARBOX ON GEARBOX
US20090118043A1 (en) * 2007-11-01 2009-05-07 Iqwind Ltd. Variable diameter gear device and variable transmissions using such devices
US20150026779A1 (en) * 2013-07-16 2015-01-22 Qualcomm Connected Experiences, Inc. Performing remote wi-fi network configuration when a network security protocol is unknown
CA2962854C (en) * 2014-03-18 2021-08-24 Raja Ramanujam Rajendran Continuous variable transmission with uniform input-to-output ratio that is non-dependent on friction
US11098791B2 (en) * 2014-03-18 2021-08-24 Raja Ramanujam Rajendran Continuously variable transmission with uniform input-to-output ratio that is non-dependent on friction
JP6407119B2 (en) * 2015-09-10 2018-10-17 本田技研工業株式会社 Power transmission device
US11339859B2 (en) * 2017-03-10 2022-05-24 Raja Ramanujam Rajendran Infinitely variable transmission with uniform input-to-output ratio that is non-dependant on friction
CN207864555U (en) * 2018-02-23 2018-09-14 张建科 The reverse power output planetary gear parallel connection contiuously variable transmission of differential pattern
WO2020251599A1 (en) * 2019-06-08 2020-12-17 Rajendran Raja Ramanujam Pseudo continuously variable transmission, a multi speed transmission capable of uninterrupted shifting (mstus)

Patent Citations (3)

* 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 (en) * 1982-12-03 1984-06-15 柳沢　健 Intermittent feed rate adjustment mechanism
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

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
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 *
JAHR A: "ES IST KEIN FORMSCHLUESSIGES STUFENLOSES GETRIEBE MOEGLICH", ANTRIEBSTECHNIK, VEREINIGTE FACHVERLAGE, MAINZ, DE, vol. 28, no. 1, 1 January 1989 (1989-01-01), pages 45/46, XP001160727, ISSN: 0722-8546 *
See also references of WO2021163583A1 *

Also Published As

Publication number Publication date
CA3173031A1 (en) 2021-12-16
WO2021252402A1 (en) 2021-12-16
EP4103863A1 (en) 2022-12-21
EP4162175A1 (en) 2023-04-12
JP2023512775A (en) 2023-03-29
CN114423966A (en) 2022-04-29
CA3165829A1 (en) 2021-08-19
WO2021163583A1 (en) 2021-08-19
KR20230020526A (en) 2023-02-10
JP2023529149A (en) 2023-07-07

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