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 PDFInfo
- 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- Withdrawn
Links
Classifications
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- 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)
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 (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9920820B2 (en) * | 2012-08-03 | 2018-03-20 | Transmission Cvtcorp Inc. | Over clamping protection method and clamping mechanism therefor |
CN104989799B (en) * | 2015-05-14 | 2018-02-02 | 深圳市南博自动化设备有限公司 | Linear reciprocating motion turns unidirectional circular motion apparatus |
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 |
EP3735544B1 (en) * | 2018-02-27 | 2021-04-14 | FAHRNI, Dieter Gerhard | Continuously variable transmission and method for operating a continuously variable transmission |
CN110805673A (en) * | 2019-12-16 | 2020-02-18 | 哈尔滨理工大学 | Impact-resistant mechanical stepless speed changer |
CA3165829A1 (en) * | 2020-02-12 | 2021-08-19 | 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)
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)
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 |
WO1982001406A1 (en) * | 1980-10-20 | 1982-04-29 | Eric P Willmot | 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 |
CN1054192C (en) * | 1993-06-25 | 2000-07-05 | 史蒂文M·克莱伯 | 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 |
-
2014
- 2014-03-18 CA CA2962854A patent/CA2962854C/en active Active
- 2014-03-18 CN CN201480079073.2A patent/CN106662230B/en active Active
- 2014-03-18 JP JP2017500799A patent/JP6454456B2/en active Active
- 2014-03-18 US US13/261,970 patent/US9970520B2/en active Active
- 2014-03-18 WO PCT/US2014/031136 patent/WO2015142323A1/en active Application Filing
- 2014-03-18 EP EP14886662.7A patent/EP3120046A4/en not_active Withdrawn
Patent Citations (1)
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 |
---|---|
US9970520B2 (en) | 2018-05-15 |
JP2017508939A (en) | 2017-03-30 |
US20150267794A1 (en) | 2015-09-24 |
CA2962854A1 (en) | 2015-09-25 |
WO2015142323A1 (en) | 2015-09-24 |
EP3120046A1 (en) | 2017-01-25 |
CN106662230B (en) | 2019-08-20 |
JP6454456B2 (en) | 2019-01-16 |
CN106662230A (en) | 2017-05-10 |
CA2962854C (en) | 2021-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20161017 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20171120 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F16H 37/12 20060101AFI20171114BHEP |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20181002 |