Toyota Jidosha Kabushiki Kaisha

Aisin Aw Co., Ltd.

Masakazu Nagaishi

Shinya Sano

Taketo Takeuchi

Takafumi Ogisu

Hiroki Tsuboi

A knock pin () is inserted into a knock hole () of an electric motor case () to which a resolver stator () is fixed. The resolver stator () is positioned by engaging the knock pin () with an engagement groove (). The resolver stator () includes a stop portion () at a position opposed to a rear end of the knock pin () in its insertion direction. When the knock pin () is about to fall off from the knock hole (), the stop portion () prevents its movement, thereby preventing the falling off.

Fixation structure and resolver stator

A resolver includes a stator core (), winding wires () and a resin mold (). The resin mold () contains a ring portion (), a connector () and a stress reduction structure (). The ring portion () covers the stator core (). The stress reduction structure is arranged at the connecting portion between the ring portion () and the connector ().

Growing community of inventors

Toyota, Japan

Masakazu Nagaishi