Toyota Jidosha Kabushiki Kaisha

Kabushiki Kaisha Toyota Chuo Kenkyusho

Aisin Takaoka Co., Ltd.

Akio Inatomi

Takashi Shimazu

Hidetoshi Shimizu

Shigeru Sakamoto

Haruo Katagiri

Masashi Ishihara

Toru Shinoda

Masayoshi Katagiri

A brake disc rotor which includes sliding plates on the inside and outside which are in parallel with and separated from each other in the axial direction of an axle; a plurality of inner and outer partition walls radially arranged between the sliding plates; a plurality of passages radially formed between the inner and outer partition walls; a plurality of inlet and outlet openings for communicating the passages; and a plurality of connecting openings for communicating the mutually adjacent passages. The stream flowing from the inlet opening is formed along an upper wall of the inner partition walls and the stream is formed in a flow separation portion in the vicinity of a lower wall of the outer partition wall through the connecting openings.

Brake disc rotor

A brake disc rotor comprising: sliding plates on the inside and outside in parallel with and separated from each other in the axial direction of an axle; fins composed of a plurality of curved long partition walls provided between the sliding plates, radially extending from the internal portion to the external portion, and inclined with respect to the radial direction, and a plurality of curved short partition walls provided in parallel between the mutually adjacent long partition walls and extending from a large-diameter internal portion to the external portion; a plurality of ventilation holes radially divided by the fins and composed of the upper and lower ventilation holes with the short partition walls; and inlet and outlet openings opened inward and outward in the radial direction thereof.

Growing community of inventors

Aichi, Japan

Akio Inatomi