GB2456790B - Automatic transmission with a pair of Ravigneaux gearsets - Google Patents
Automatic transmission with a pair of Ravigneaux gearsetsInfo
- Publication number
- GB2456790B GB2456790B GB0801238A GB0801238A GB2456790B GB 2456790 B GB2456790 B GB 2456790B GB 0801238 A GB0801238 A GB 0801238A GB 0801238 A GB0801238 A GB 0801238A GB 2456790 B GB2456790 B GB 2456790B
- Authority
- GB
- United Kingdom
- Prior art keywords
- pair
- automatic transmission
- gearsets
- ravigneaux
- ravigneaux gearsets
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title 1
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
- 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
- F16H3/62—Gearings having three or more central gears
- F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
- F16H3/663—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another with conveying rotary motion between axially spaced orbital gears, e.g. RAVIGNEAUX
-
- 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
- F16H2200/006—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising eight forward speeds
-
- 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
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/202—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set
- F16H2200/2025—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set using a Ravigneaux set with 5 connections
-
- 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
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means
-
- 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
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2097—Transmissions using gears with orbital motion comprising an orbital gear set member permanently connected to the housing, e.g. a sun wheel permanently connected to the housing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0801238A GB2456790B (en) | 2008-01-23 | 2008-01-23 | Automatic transmission with a pair of Ravigneaux gearsets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0801238A GB2456790B (en) | 2008-01-23 | 2008-01-23 | Automatic transmission with a pair of Ravigneaux gearsets |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0801238D0 GB0801238D0 (en) | 2008-02-27 |
GB2456790A GB2456790A (en) | 2009-07-29 |
GB2456790B true GB2456790B (en) | 2010-02-03 |
Family
ID=39166243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0801238A Expired - Fee Related GB2456790B (en) | 2008-01-23 | 2008-01-23 | Automatic transmission with a pair of Ravigneaux gearsets |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2456790B (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5133697A (en) * | 1989-05-02 | 1992-07-28 | Nissan Motor Co., Ltd. | Planetary gear system |
US20020091032A1 (en) * | 2001-01-09 | 2002-07-11 | Aisin Aw Co., Ltd. | Automatic transmission |
GB2440347A (en) * | 2006-07-27 | 2008-01-30 | Ford Global Tech Llc | Automatic transmission with two Ravigneaux gearsets arranged in series |
-
2008
- 2008-01-23 GB GB0801238A patent/GB2456790B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5133697A (en) * | 1989-05-02 | 1992-07-28 | Nissan Motor Co., Ltd. | Planetary gear system |
US20020091032A1 (en) * | 2001-01-09 | 2002-07-11 | Aisin Aw Co., Ltd. | Automatic transmission |
GB2440347A (en) * | 2006-07-27 | 2008-01-30 | Ford Global Tech Llc | Automatic transmission with two Ravigneaux gearsets arranged in series |
Also Published As
Publication number | Publication date |
---|---|
GB2456790A (en) | 2009-07-29 |
GB0801238D0 (en) | 2008-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
S30Z | Assignments for licence or security reasons |
Free format text: APPLICANT GM GLOBAL TECHNOLOGY OPERATIONS, INC SECURITY TO THE UNITED STATES DEPARTMENT OF THE TREASURY |
|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20091029 AND 20091104 |
|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20091105 AND 20091111 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20170123 |