Nissan Motor Company Limited

Aichi Machine Industry Co., Ltd.

Makoto Imaida

Kiyofumi Tanaka

Masahiko Yamada

Yusuke Kasuya

Kiyohito Oyamada

Toshirou Shimosaka

Shoichi Tetsuka

A differential gear case is provided that includes a container housing of a differential gear, the container housing having on an outer surface thereof an annular flange that extends around an axis of rotation of the container housing, and one of two areas of the container housing that are separated by the annular flange being formed with an opening that is communicated with a containing space formed in the container housing. The area of the container housing that is formed with the opening is provided with a fixing portion used for fixing the differential gear case. The fixing portion includes two flat surfaces that are in parallel with a plane surface containing the axis of rotation of the container housing and arranged around the axis of rotation keeping a space therebetween.

Differential gear case and method for processing same

In a pulley arrangement of a belt-type continuously variable transmission, a ring member (6) integrated with a first cylinder member (3) is coupled to a second cylinder member (5) using splines (6d and 5c) to limit mutual movements of the first and second cylinder members and using snap ring (7) to limit the axial displacement therebetween in peripheral directions of the respective first and second cylinder members. The first cylinder member is slidably contacted on an outer peripheral surface of a hollow cylindrical portion of a second conical pulley component. The second cylinder member is fixed onto an outer peripheral surface of a shaft portion of a first conical pulley component. In addition, a another stopper is provided between an outer peripheral end of the hollow cylindrical portion (56d) and an inner peripheral surface of the second piston member (8) for limiting mutual movements of the second piston member and the hollow cylindrical portion in the peripheral directions of the second piston member and the hollow cylindrical portion.

Arrangement of pulley cylinder in a belt-type continuously variable

In a pulley working fluid (oil) passage arrangement for a belt-type continuously variable transmission having a V belt wound about a letter V-shaped groove formed with mutually opposing oblique surfaces of movable and stationary sheaves and a working fluid pressure cylinder chamber to which a working fluid pressure is supplied so as to move the movable sheave toward or away from the stationary sheave, thus a gear shift being varied, a first working fluid passage communicated with an axle chamber working fluid passage is extended in an axial direction of the axle member at an opposing surface thereof against the axle member and the movable sheave and a second working fluid passage having one end communicated with the first working fluid passage and the other end opened to a working fluid pressure cylinder chamber is extended along a radial direction of the axle member.

Arrangement of pulley working fluid passage in a belt-type continuously

A continuously variable transmission includes a main shaft having a stepped portion in the vicinity of an end thereof, stationary and movable flanges, and a stopper for preventing a movement of the movable flange. The stepped portion of the main shaft, an end of the movable flange, and the stopper cooperate to define a space around the main shaft.

Continuously variable transmission with movable flange

In a continuously variable transmission, a bolt hole of a casing and a female screw hole of a bearing fixing plate are arranged such that the bolt hole positionally corresponds to the female screw hole when an outer diameter portion of a bearing is engaged with a recess of the plate, and a pin of the plate is inserted into a positioning hole of the casing.

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Kanagawa, Japan

Makoto Imaida