MULTISTAGE TRANSMISSION

With the automatic transmission 10 - 1 for vehicle according to the present embodiment, since multistage transmission of eight forward gear stages can be obtained by means of four sets of planetary gear sets 12, 16, 18 and 20 , four clutches C 1 through C 4 and three brakes Bi through B 3 , the tran...

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Bibliographic Details
Main Authors HOSHINO AKIRA, HONDA ATSUSHI, TABATA ATSUSHI, OTA HIROFUMI, ABE AKIHARU, MIYAZAKI TERUFUMI
Format Patent
LanguageEnglish
Published 23.10.2008
Subjects
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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Summary:With the automatic transmission 10 - 1 for vehicle according to the present embodiment, since multistage transmission of eight forward gear stages can be obtained by means of four sets of planetary gear sets 12, 16, 18 and 20 , four clutches C 1 through C 4 and three brakes Bi through B 3 , the transmission can be fabricated to be light in weight and made compact, wherein the mountability thereof in a vehicle can be improved. Further, as has been made clear in FIG. 1 (b), since speed change in the respective gear stages can be carried out only by a shifting action of any two of the clutches C 1 through C 4 and brakes Bi through B 3 , the speed change control can be facilitated and it is possible to prevent a shock to the transmission from occurring.
Bibliography:Application Number: US20070778687