EP3120046A4 - Continuous variable transmission with uniform input-to-output ratio that is non-dependent on friction - Google Patents

Continuous variable transmission with uniform input-to-output ratio that is non-dependent on friction Download PDF

Info

Publication number
EP3120046A4
EP3120046A4 EP14886662.7A EP14886662A EP3120046A4 EP 3120046 A4 EP3120046 A4 EP 3120046A4 EP 14886662 A EP14886662 A EP 14886662A EP 3120046 A4 EP3120046 A4 EP 3120046A4
Authority
EP
European Patent Office
Prior art keywords
friction
dependent
variable transmission
continuous variable
output ratio
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.)
Withdrawn
Application number
EP14886662.7A
Other languages
German (de)
French (fr)
Other versions
EP3120046A1 (en
Inventor
Raja Ramanujam Rajendran
Prashanth PRASHANTH R. 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
Application filed by Individual filed Critical Individual
Publication of EP3120046A1 publication Critical patent/EP3120046A1/en
Publication of EP3120046A4 publication Critical patent/EP3120046A4/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F16H29/00—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action
    • 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
    • F16H29/02—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between one of the shafts and an oscillating or reciprocating intermediate member, not rotating with either of the shafts
    • 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
    • F16H29/02—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between one of the shafts and an oscillating or reciprocating intermediate member, not rotating with either of the shafts
    • F16H29/08—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between one of the shafts and an oscillating or reciprocating intermediate member, not rotating with either of the shafts in which the transmission ratio is changed by adjustment of the path of movement, the location of the pivot, or the effective length, of an oscillating connecting 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
    • F16H29/00—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action
    • F16H29/12—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between rotary driving and driven members
    • F16H29/14—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between rotary driving and driven members in which the transmission ratio is changed by adjustment of an otherwise stationary guide member for the intermittently-driving 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
    • F16H29/00—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action
    • F16H29/12—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between rotary driving and driven members
    • F16H29/16—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between rotary driving and driven members in which the transmission ratio is changed by adjustment of the distance between the axes of the rotary members
    • F16H29/18—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between rotary driving and driven members in which the transmission ratio is changed by adjustment of the distance between the axes of the rotary members in which the intermittently-driving members slide along approximately radial guides while rotating with one of the rotary 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1503—Rotary to intermittent unidirectional motion
    • Y10T74/1508—Rotary crank or eccentric drive
    • Y10T74/1515—Rack and pinion transmitter
    • Y10T74/1516—Adjustable throw

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
EP14886662.7A 2014-03-18 2014-03-18 Continuous variable transmission with uniform input-to-output ratio that is non-dependent on friction Withdrawn EP3120046A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2014/031136 WO2015142323A1 (en) 2014-03-18 2014-03-18 Continuous variable transmission with uniform input-to-output ratio that is non-dependent on friction

Publications (2)

Publication Number Publication Date
EP3120046A1 EP3120046A1 (en) 2017-01-25
EP3120046A4 true EP3120046A4 (en) 2017-12-20

Family

ID=54141697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14886662.7A Withdrawn EP3120046A4 (en) 2014-03-18 2014-03-18 Continuous variable transmission with uniform input-to-output ratio that is non-dependent on friction

Country Status (6)

Country Link
US (1) US9970520B2 (en)
EP (1) EP3120046A4 (en)
JP (1) JP6454456B2 (en)
CN (1) CN106662230B (en)
CA (1) CA2962854C (en)
WO (1) WO2015142323A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014019053A1 (en) * 2012-08-03 2014-02-06 Transmission Cvtcorp Inc. Over clamping protection method and clamping mechanism therefor
WO2016179870A1 (en) * 2015-05-14 2016-11-17 深圳市南博自动化设备有限公司 Device for converting reciprocating linear motion into unidirectional circular motion
CN107893839A (en) * 2017-09-06 2018-04-10 金永军 Increase rotating speed increase power machine
CN107725131A (en) * 2017-11-07 2018-02-23 重庆润通科技有限公司 Adjustable type cam drive mechanism
CN110805673A (en) * 2019-12-16 2020-02-18 哈尔滨理工大学 Impact-resistant mechanical stepless speed changer
EP4103863A1 (en) * 2020-02-12 2022-12-21 Raja Ramanujam Rajendran Infinitely variable transmission with uniform input-to-output ratio that is non-dependent on friction
CN114992303B (en) * 2022-05-30 2024-04-12 武汉理工大学 Unidirectional displacement compensation device for actuating cylinder

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5685794A (en) * 1993-08-30 1997-11-11 Aimbridge Pty. Ltd. Transmission mechanism

Family Cites Families (28)

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Publication number Priority date Publication date Assignee Title
US2364393A (en) * 1943-08-18 1944-12-05 Ferdinand W Seeck Gearless variable speed transmission
US2912100A (en) * 1955-11-25 1959-11-10 Western Electric Co Drive mechanism
US4090413A (en) * 1976-10-29 1978-05-23 Ford Aerospace & Communications Corp. Cyclic motion generator
AU7648381A (en) * 1980-10-20 1982-05-11 Willmot, E. P. Variable ratio rotary transmission
US4850248A (en) * 1986-04-11 1989-07-25 Korban Joseph F Frictionless continuously variable transmission
US4714452A (en) * 1986-06-06 1987-12-22 Kumm Emerson L Oriented flat belt continuously variable transmission using pulleys with guideways
JPH022559U (en) * 1988-06-17 1990-01-09
US5099706A (en) * 1989-12-22 1992-03-31 Naja International Inc. Variable speed transmission
US5239879A (en) * 1990-05-24 1993-08-31 Economou Demitri G Simple stepless variables transmission
US5440945A (en) * 1993-04-19 1995-08-15 Penn; Jay P. Hardgeared infinitely variable transmission
WO1995000775A1 (en) * 1993-06-25 1995-01-05 Steven Mark Crabb Variable ratio power transmission
US5603240A (en) * 1994-03-04 1997-02-18 Klovstad; John W. Mechanical transmission continuously variable from forward to reverse
AUPP373798A0 (en) * 1998-05-27 1998-06-18 Williames, Geoffrey Allan Vehicle powertrains
US6849023B1 (en) * 1998-10-16 2005-02-01 Ker-Train Holdings Ltd All gear infinitely variable transmission
US6852057B2 (en) * 1999-12-17 2005-02-08 Teodoro R. Borbolla Gonzalez Self-contained continuously-variable transmission with mechanical integral torque converter having automatic drive control
IL141094A0 (en) * 2001-01-25 2002-02-10 Ran Siman Tov Continuous variable transmission
FR2841957B1 (en) * 2002-07-05 2004-10-15 Philippe Alain Marec CAM MECHANICAL CONTINUOUS TORQUE DRIVE
TWI238876B (en) * 2004-04-13 2005-09-01 Fu-Sen Jeng Automatic step-less gearshift mechanism
JP2006046424A (en) * 2004-08-02 2006-02-16 Toyota Motor Corp Gear type continuously variable transmission
US7056254B1 (en) * 2005-07-20 2006-06-06 Fragnito Frank A Non-slip continuously variable transmission
GB0517201D0 (en) * 2005-08-22 2005-09-28 Torotrak Dev Ltd Driving and steering of motor vehicles
US8425364B2 (en) * 2006-04-10 2013-04-23 Derek Lahr Cam-based infinitely variable transmission
US8534146B2 (en) * 2006-07-26 2013-09-17 Iowa State University Research Foundation, Inc. Geared, continuously variable speed transmission
US7878935B2 (en) * 2007-11-26 2011-02-01 Derek Lahr Continuously variable transmission with external cam
US9347531B2 (en) * 2008-04-08 2016-05-24 Yoon Kyu Cho Belt-type continuously variable transmission
US20100064831A1 (en) * 2008-09-15 2010-03-18 Lee Gary D Infinitely variable transmission with hybrid accelerator
KR101017422B1 (en) * 2010-12-29 2011-02-28 조윤규 Chain belt-type continuously variable transmission
US9506545B2 (en) * 2013-03-15 2016-11-29 John W. Klovstadt Continuously variable transmission having a periodic displacement waveform with a constant velocity portion

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5685794A (en) * 1993-08-30 1997-11-11 Aimbridge Pty. Ltd. Transmission mechanism

Also Published As

Publication number Publication date
CN106662230A (en) 2017-05-10
US20150267794A1 (en) 2015-09-24
JP2017508939A (en) 2017-03-30
EP3120046A1 (en) 2017-01-25
JP6454456B2 (en) 2019-01-16
CA2962854C (en) 2021-08-24
CA2962854A1 (en) 2015-09-25
US9970520B2 (en) 2018-05-15
CN106662230B (en) 2019-08-20
WO2015142323A1 (en) 2015-09-24

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