Mazda Motor Corporation

Kazuhiro Tokushima

Masayuki Furutani

Koichi Hirata

Satoshi Nishizaka

Yuzo Fujino

An engine crank pulley structure disposed at a vehicle front side of a longitudinal engine includes: a front pulley that transmits crank rotational force to the water pump via a belt; a rear pulley that is disposed at a vehicle rear side of the front pulley and transmits a crank rotational force to a compressor via a belt; and a connecting portion that connects the front pulley and the rear pulley, the connecting portion crushing and deforming in a vehicle front-rear direction as a collision load toward the vehicle rear side is applied to it. An outer diameter of the front pulley is smaller than an inner diameter of the rear pulley.

Growing community of inventors

Aki-gun, Japan

Kazuhiro Tokushima