Honda Motor Co., Ltd.

Chevron Oronite Company LLC

Nihon Plast Co., Ltd.

Shuhei Yamamoto

Youichi Kamiyama

Mikio Kashiwai

Katsushi Ishii

Kenichi Kamio

Norio Hayakawa

Kedar Shrestha

Lubricating oil compositions comprising neutral or low overbased alkaryl sulfonate calcium salts, hydrocarbyl polyalcohol, and zinc dialkyl dithiophosphate for use as tractor hydraulic fluids.

Tractor hydraulic fluid compositions

A sub air chamber provided around outer circumferential surface of a well of a rim of a vehicle wheel includes an upper plate and a lower plate connected at edges thereof which are fitted into channels in first and second vertical wall surfaces formed on the rim. At least one of the upper plate and the bottom plate has orthogonally and diagonally aligned beads to vertical walls, extending in a circumferential direction of the wheel, supporting the sub air chamber, connecting parts locally connecting the upper plate and the bottom plate. The sub air chamber has a protruding part for communicating the sub air chamber with the tire air chamber and serves as a stopper of the sub air chamber.

Vehicle wheel having a sub air chamber

Growing community of inventors

Shizuoka, Japan

Shuhei Yamamoto