Planetary gear transmission systems or components – With means to vary drive ratio or disconnect drive – Plural elements selectively braked
Reexamination Certificate
2011-06-07
2011-06-07
Wright, Dirk (Department: 3655)
Planetary gear transmission systems or components
With means to vary drive ratio or disconnect drive
Plural elements selectively braked
Reexamination Certificate
active
07955213
ABSTRACT:
An automatic transmission in which first to third clutches which can couple an input shaft to a first element of a first multiple planetary gear set and second and fourth elements of the second multiple planetary gear set, respectively, are arranged on a front side of the first multiple planetary gear set. Thus, it is possible to prevent a situation in which disengaging of the third clutch in the first speed causes the fourth element of the first multiple planetary gear set to rotate in reverse and generate a large relative rotation with the first element.
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Fukaya Tsuyoshi
Hongoya Akihito
Kato Takaaki
Kinoshita Masafumi
Morise Masaru
Aisin Aw Co. Ltd.
Sughrue & Mion, PLLC
Toyota Jidosha & Kabushiki Kaisha
Wright Dirk
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