JP2019082186A - トロイダル無段変速機 - Google Patents
トロイダル無段変速機 Download PDFInfo
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- JP2019082186A JP2019082186A JP2017208510A JP2017208510A JP2019082186A JP 2019082186 A JP2019082186 A JP 2019082186A JP 2017208510 A JP2017208510 A JP 2017208510A JP 2017208510 A JP2017208510 A JP 2017208510A JP 2019082186 A JP2019082186 A JP 2019082186A
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0487—Friction gearings
- F16H57/049—Friction gearings of the toroid type
-
- 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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
- F16H15/32—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line
- F16H15/36—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface
- F16H15/38—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in 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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
- F16H15/32—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line
- F16H15/36—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface
- F16H15/38—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
- F16H2015/383—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces with two or more sets of toroid gearings arranged in parallel
-
- 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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
- F16H15/32—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line
- F16H15/36—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface
- F16H15/38—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
- F16H2015/386—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces with two or more sets of toroid gearings arranged in series
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
図1は、第1実施形態に係るトロイダル無段変速機10を搭載した駆動機構一体型発電装置1の模式図である。図1に示すように、駆動機構一体型発電装置1(Integrated Drive Generator:以下、「IDG」という)は、発電機3をトロイダル無段変速機10(以下、「変速機」という)と共に収容するケーシング2を備える。IDG1は航空機の交流電源に用いられ、ケーシング2は航空機のエンジンに取り付けられる。
図8は、第2実施形態に係るトロイダル無段変速機の油圧アクチュエータ130の断面図である。なお、第1実施形態と共通する構成については同一符号を付して説明を省略する。図8に示すように、第2実施形態の油圧アクチュエータ130では、第1ピストン31のうち傾転軸線A3方向の一方側に向いた第2軸部22と対向する端面と、トラニオン17の第2軸部22のうち傾転軸線A3方向の他方側に向いた第1ピストン31と対向する端面との間に、スラストワッシャ181が摺動部材として介設される。スラストワッシャ181の摺動面の摩擦係数は、第2軸部22及び第1ピストン31の表面の摩擦係数よりも低い。
図9は、第3実施形態に係るトロイダル無段変速機の油圧アクチュエータ230の断面図である。なお、第1実施形態と共通する構成については同一符号を付して説明を省略する。図9に示すように、第3実施形態の油圧アクチュエータ230では、第1ピストン31のうち傾転軸線A3方向の一方側に向いた第2軸部22と対向する端面と、トラニオン17の第2軸部22のうち傾転軸線A3方向の他方側に向いた第1ピストン31と対向する端面との間に、スラスト軸受281(例えば、ボール軸受又はニードル軸受)が摺動部材として介設される。
13 入力ディスク
14 出力ディスク
16 パワーローラ
17 トラニオン
23 第3軸部(軸部)
30,130,230 油圧アクチュエータ
31 第1ピストン
31a 第1ピストン本体部
31b 第1ボス部
32 第2ピストン
32a 第2ピストン本体部
32b 第2ボス部
33 シリンダ
37 第1圧力室
38 第2圧力室
39 第1圧油路
40 第2圧油路
61 第1シール部材
62 第2シール部材
71 軸潤滑油路(第2潤滑油路)
75 シリンダ潤滑油路(第1潤滑油路)
76 中継潤滑油路(第3潤滑油路)
181 スラストワッシャ(摺動部材)
281 スラスト軸受(摺動部材)
G1,G2 外側ギャップ
G3,G4 内側ギャップ
Claims (6)
- 互いに対向配置される入力ディスク及び出力ディスクと、
前記入力ディスクと前記出力ディスクとの間に傾転可能に挟まれ、前記入力ディスクの回転駆動力を傾転角に応じた変速比で前記出力ディスクに伝達するパワーローラと、
前記パワーローラを支持し、前記パワーローラの傾転軸線周りに傾転可能で且つ前記傾転軸線方向に往復動可能なトラニオンであって、前記パワーローラを支持する本体部と、傾転軸線方向に延びる軸部とを有するトラニオンと、
前記トラニオンの軸部に外嵌された状態で前記軸部に取り付けられ、互いに前記傾転軸線方向に並んで配置された第1ピストン及び第2ピストンと、
前記第1ピストンを前記傾転軸線方向の一方側に移動させる第1圧力室、及び、前記第2ピストンを前記傾転軸線方向の他方側に移動させる第2圧力室を形成するシリンダと、を備え、
前記シリンダには、潤滑油が供給される第1潤滑油路が形成され、
前記軸部には、前記パワーローラに向けて前記潤滑油が流通する第2潤滑油路が形成され、
前記第1潤滑油路を前記第2潤滑油路に連通させる第3潤滑油路が、前記第1ピストンと前記第2ピストンとの間に形成されている、トロイダル無段変速機。 - 前記シリンダには、前記第1圧力室に圧油を供給する第1圧油路と、前記第2圧力室に圧油を供給する第2圧油路とが更に形成され、
前記第1潤滑油路、前記第1圧油路及び前記第2圧油路は、前記傾動軸線方向において前記第1圧力室と前記第2圧力室との間の領域に配置されている、請求項1に記載のトロイダル無段変速機。 - 前記第1潤滑油路の少なくとも一部の前記傾動軸線方向における位置が、前記第1圧油路及び前記第2圧油路の少なくとも一方の圧油路の一部の前記傾動軸線方向における位置と重なる、請求項2に記載のトロイダル無段変速機。
- 前記第1ピストンは、前記第1圧力室を形成する環状の第1ピストン本体部と、前記第1ピストン本体部の内径側から前記第2ピストンに向けて突出する筒状の第1ボス部とを有し、
前記第2ピストンは、前記第2圧力室を形成する環状の第2ピストン本体部と、前記第2ピストン本体部の内径側から前記第1ピストンに向けて突出する筒状の第2ボス部とを有し、
前記第3潤滑油路は、前記第1ボス部と前記第2ボス部との間に形成されている、請求項1乃至3のいずれか1項に記載のトロイダル無段変速機。 - 前記第1ピストンの内周面と前記トラニオンの前記軸部の外周面との間に第1内側ギャップが形成され、
前記第2ピストンの内周面と前記トラニオンの前記軸部の外周面との間に第2内側ギャップが形成されている、請求項1乃至4のいずれか1項に記載のトロイダル無段変速機。 - 前記第1ピストンの前記内周面と前記トラニオンの前記軸部の前記外周面との間に挟まれた第1シール部材と、
前記第2ピストンの前記内周面と前記トラニオンの前記軸部の前記外周面との間に挟まれた第2シール部材と、を更に備え、
前記第1シール部材及び前記第2シール部材は、一端部及び他端部を有し、円形状に延びて前記一端部が前記他端部に対向してなる、請求項5に記載のトロイダル無段変速機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017208510A JP7002283B2 (ja) | 2017-10-27 | 2017-10-27 | トロイダル無段変速機 |
PCT/JP2018/038861 WO2019082792A1 (ja) | 2017-10-27 | 2018-10-18 | トロイダル無段変速機 |
US16/758,489 US11428309B2 (en) | 2017-10-27 | 2018-10-18 | Toroidal continuously variable transmission |
EP18869501.9A EP3702643B1 (en) | 2017-10-27 | 2018-10-18 | Toroidal continuously variable transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017208510A JP7002283B2 (ja) | 2017-10-27 | 2017-10-27 | トロイダル無段変速機 |
Publications (2)
Publication Number | Publication Date |
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JP2019082186A true JP2019082186A (ja) | 2019-05-30 |
JP7002283B2 JP7002283B2 (ja) | 2022-01-20 |
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JP2017208510A Active JP7002283B2 (ja) | 2017-10-27 | 2017-10-27 | トロイダル無段変速機 |
Country Status (4)
Country | Link |
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US (1) | US11428309B2 (ja) |
EP (1) | EP3702643B1 (ja) |
JP (1) | JP7002283B2 (ja) |
WO (1) | WO2019082792A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7269123B2 (ja) * | 2019-07-22 | 2023-05-08 | 川崎重工業株式会社 | トロイダル無段変速機及び航空機用駆動機構一体型発電装置 |
CN115773349B (zh) * | 2023-02-13 | 2023-04-18 | 西安赫元机械制造有限责任公司 | 一种采煤机用自润滑双联齿轨轮组 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016050596A (ja) * | 2014-08-28 | 2016-04-11 | 本田技研工業株式会社 | トロイダル型無段変速機 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3403455B2 (ja) | 1993-07-09 | 2003-05-06 | マツダ株式会社 | トロイダル型無段変速機 |
JP3394346B2 (ja) | 1994-11-17 | 2003-04-07 | マツダ株式会社 | トロイダル型無段変速機 |
JP3237503B2 (ja) * | 1996-02-19 | 2001-12-10 | 日産自動車株式会社 | 摩擦車式無段変速機 |
US6409625B1 (en) * | 1999-11-10 | 2002-06-25 | Nissan Motor Co., Ltd. | Controller of toroidal continuously variable transmission |
JP2002106667A (ja) * | 2000-10-04 | 2002-04-10 | Honda Motor Co Ltd | トロイダル型無段変速機 |
JP4161247B2 (ja) * | 2001-05-23 | 2008-10-08 | 日本精工株式会社 | トロイダル無段変速機 |
JP3932027B2 (ja) * | 2002-04-08 | 2007-06-20 | 日本精工株式会社 | トロイダル型無段変速機 |
US7563192B2 (en) * | 2003-06-27 | 2009-07-21 | Nsk Ltd. | Toroidal-type continuously variable transmission |
JP4826738B2 (ja) | 2005-12-02 | 2011-11-30 | 日本精工株式会社 | トロイダル型無段変速機 |
-
2017
- 2017-10-27 JP JP2017208510A patent/JP7002283B2/ja active Active
-
2018
- 2018-10-18 US US16/758,489 patent/US11428309B2/en active Active
- 2018-10-18 EP EP18869501.9A patent/EP3702643B1/en active Active
- 2018-10-18 WO PCT/JP2018/038861 patent/WO2019082792A1/ja unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016050596A (ja) * | 2014-08-28 | 2016-04-11 | 本田技研工業株式会社 | トロイダル型無段変速機 |
Also Published As
Publication number | Publication date |
---|---|
WO2019082792A1 (ja) | 2019-05-02 |
JP7002283B2 (ja) | 2022-01-20 |
EP3702643B1 (en) | 2022-10-05 |
EP3702643A1 (en) | 2020-09-02 |
US11428309B2 (en) | 2022-08-30 |
EP3702643A4 (en) | 2021-06-02 |
US20210364080A1 (en) | 2021-11-25 |
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