AUTOMATIC TRANSMISSION DEVICE

PROBLEM TO BE SOLVED: To provide an automatic transmission device including three planetary gear mechanisms, four clutches, and two brakes, while reducing a dragging loss to improve transmission efficiency of the device.SOLUTION: A ring gear 13 of a single pinion type first planetary gear mechanisms...

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Bibliographische Detailangaben
Hauptverfasser:	KASUYA SATORU, OITA SHINJI, OTAKE MASAHIRO, KATO HIROSHI, SOUDA YU, IKE NOBUKAZU, MORISE MASARU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an automatic transmission device including three planetary gear mechanisms, four clutches, and two brakes, while reducing a dragging loss to improve transmission efficiency of the device.SOLUTION: A ring gear 13 of a single pinion type first planetary gear mechanisms 10 is connected to a carrier 32 of a single pinion type third planetary gear mechanism 30 by a first connection element 51. A sun gear 21 of a double pinion type second planetary gear mechanism 20 is connected to a ring gear 33 of the third planetary gear mechanism 30 by a second connection element 52. An input shaft 3 is connected to a ring gear 22 of the second planetary gear mechanism 20. An output gear 4 is connected to a carrier 12 of the first planetary gear mechanism 10. Three of the clutches C1-C4 and brakes B1 and B2 are engaged together while the other three are released, thereby forming a forward first gear position to a forward eighth gear position as well as a reverse gear position.