IT8767896A0 - 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 idraualico

Info

Publication number
IT8767896A0
IT8767896A0 IT8767896A IT6789687A IT8767896A0 IT 8767896 A0 IT8767896 A0 IT 8767896A0 IT 8767896 A IT8767896 A IT 8767896A IT 6789687 A IT6789687 A IT 6789687A IT 8767896 A0 IT8767896 A0 IT 8767896A0
Authority
IT
Italy
Prior art keywords
tractors
hydraulic control
gearbox
gear ratio
ratio variator
Prior art date
Application number
IT8767896A
Other languages
English (en)
Other versions
IT1211426B (it
Inventor
Gianni Massaccesi
Original Assignee
Same Spa
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 Same Spa filed Critical Same Spa
Priority to IT8767896A priority Critical patent/IT1211426B/it
Publication of IT8767896A0 publication Critical patent/IT8767896A0/it
Priority to EP88830438A priority patent/EP0314639B1/en
Priority to DE3851299T priority patent/DE3851299T2/de
Priority to AT88830438T priority patent/ATE110829T1/de
Application granted granted Critical
Publication of IT1211426B publication Critical patent/IT1211426B/it

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)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Transmission Devices (AREA)
  • Structure Of Transmissions (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
IT8767896A 1987-10-26 1987-10-26 Cambio di velocita per trattori con variatore di rapporto ditrasmissione a due velocita acomando idraualico IT1211426B (it)

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
EP88830438A EP0314639B1 (en) 1987-10-26 1988-10-25 A tractor gearbox with a hydraulically-controlled, two-speed transmission-ratio variator
DE3851299T DE3851299T2 (de) 1987-10-26 1988-10-25 Traktorgetriebe mit hydraulisch gesteuertem Zweigangwechselgetriebe.
AT88830438T ATE110829T1 (de) 1987-10-26 1988-10-25 Traktorgetriebe mit hydraulisch gesteuertem zweigangwechselgetriebe.

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 true IT8767896A0 (it) 1987-10-26
IT1211426B 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2402001C (en) * 2001-09-11 2005-11-22 Honda Giken Kogyo Kabushiki Kaisha Vehicle front and rear wheels drive system and clutch changeover method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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
US4790213A (en) * 1982-03-11 1988-12-13 Lasoen Jean J Planetary gear assemblies
US4532827A (en) * 1983-09-21 1985-08-06 Ford Motor Company Dual power transmission for tractor vehicles

Also Published As

Publication number Publication date
IT1211426B (it) 1989-10-18
DE3851299D1 (de) 1994-10-06
ATE110829T1 (de) 1994-09-15
EP0314639A2 (en) 1989-05-03
DE3851299T2 (de) 1995-04-27
EP0314639B1 (en) 1994-08-31
EP0314639A3 (en) 1991-05-15

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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