IT1211426B - Cambio di velocita per trattori con variatore di rapporto ditrasmissione a due velocita acomando idraualico - Google Patents
Cambio di velocita per trattori con variatore di rapporto ditrasmissione a due velocita acomando idraualicoInfo
- Publication number
- IT1211426B IT1211426B IT8767896A IT6789687A IT1211426B IT 1211426 B IT1211426 B IT 1211426B IT 8767896 A IT8767896 A IT 8767896A IT 6789687 A IT6789687 A IT 6789687A IT 1211426 B IT1211426 B IT 1211426B
- Authority
- IT
- Italy
- Prior art keywords
- hydraual
- tractors
- control
- transmission ratio
- speed
- Prior art date
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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/042—Combinations of toothed gearings only change gear transmissions in group arrangement
- F16H37/046—Combinations of toothed gearings only change gear transmissions in group arrangement with an additional planetary gear train, e.g. creep gear, overdrive
-
- 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
- F16H3/46—Gearings having only two central gears, connected by orbital gears
- F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Transmission Devices (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Structure Of Transmissions (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8767896A IT1211426B (it) | 1987-10-26 | 1987-10-26 | Cambio di velocita per trattori con variatore di rapporto ditrasmissione a due velocita acomando idraualico |
AT88830438T ATE110829T1 (de) | 1987-10-26 | 1988-10-25 | Traktorgetriebe mit hydraulisch gesteuertem zweigangwechselgetriebe. |
DE3851299T DE3851299T2 (de) | 1987-10-26 | 1988-10-25 | Traktorgetriebe mit hydraulisch gesteuertem Zweigangwechselgetriebe. |
EP88830438A EP0314639B1 (en) | 1987-10-26 | 1988-10-25 | A tractor gearbox with a hydraulically-controlled, two-speed transmission-ratio variator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8767896A IT1211426B (it) | 1987-10-26 | 1987-10-26 | Cambio di velocita per trattori con variatore di rapporto ditrasmissione a due velocita acomando idraualico |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8767896A0 IT8767896A0 (it) | 1987-10-26 |
IT1211426B true IT1211426B (it) | 1989-10-18 |
Family
ID=11306171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8767896A IT1211426B (it) | 1987-10-26 | 1987-10-26 | Cambio di velocita per trattori con variatore di rapporto ditrasmissione a due velocita acomando idraualico |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0314639B1 (it) |
AT (1) | ATE110829T1 (it) |
DE (1) | DE3851299T2 (it) |
IT (1) | IT1211426B (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6790152B2 (en) * | 2001-09-11 | 2004-09-14 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle front and rear wheels drive system and clutch changeover method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3774460A (en) * | 1972-06-09 | 1973-11-27 | Deere & Co | Compact transmission structure |
US4318305A (en) * | 1979-04-04 | 1982-03-09 | Deere & Company | Synchronized transmission |
DE3363671D1 (en) * | 1982-03-11 | 1986-07-03 | Massey Ferguson Sa | Planetary gear assemblies |
US4532827A (en) * | 1983-09-21 | 1985-08-06 | Ford Motor Company | Dual power transmission for tractor vehicles |
-
1987
- 1987-10-26 IT IT8767896A patent/IT1211426B/it active
-
1988
- 1988-10-25 EP EP88830438A patent/EP0314639B1/en not_active Expired - Lifetime
- 1988-10-25 AT AT88830438T patent/ATE110829T1/de not_active IP Right Cessation
- 1988-10-25 DE DE3851299T patent/DE3851299T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IT8767896A0 (it) | 1987-10-26 |
DE3851299D1 (de) | 1994-10-06 |
DE3851299T2 (de) | 1995-04-27 |
EP0314639A3 (en) | 1991-05-15 |
EP0314639B1 (en) | 1994-08-31 |
EP0314639A2 (en) | 1989-05-03 |
ATE110829T1 (de) | 1994-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971031 |