Aisin Aw Co., Ltd.

Kaneyoshi Nakagawa

Susumu Kato

Naoji Katou

Hiroshi Ota

A double pinion planetary gear unit includes a first sun gear, a second sun gear, a plurality of short pinions, a plurality of long pinions, a ring gear and a carrier. The carrier includes a first flange portion that supports an end side of the short pinions and an end side of the long pinions, a cylindrical portion that is connected to the first flange portion and that forms a cover for an outer peripheral side where the short pinions and the long pinions mesh with each other, a second flange portion that supports another end side of the long pinions, and a plurality of bridge portions that extend from the second flange portion toward the short pinions and that support another end side of the short pinions.

Growing community of inventors

Anjo, Japan

Kaneyoshi Nakagawa