Honda Motor Co., Ltd.

Masahiko Mizuguchi

Tadashi Yamaguchi

Takahide Watanabe

Takuro Kamada

Kojiro Ohsaki

A rotating electrical machine includes a rotor and a stator. A first end plate includes a first refrigerant discharge hole which communicates with a second refrigerant flow path hole and supplies refrigerant to a first coil end and a first groove portion which supplies the refrigerant supplied from a refrigerant flow path to a first refrigerant flow path hole and does not supply the refrigerant to the first refrigerant discharge hole and the second refrigerant flow path hole. A second end plate includes a second refrigerant discharge hole which supplies the refrigerant to a second coil end and a second groove portion which supplies the refrigerant supplied from the first refrigerant flow path hole to the second refrigerant flow path hole and supplies the refrigerant to the second refrigerant discharge hole.

Rotating electrical machine

A spool valve includes a valve housing and a spool. The valve housing includes a spool hole, a first oil passage, and a second oil passage. The first oil passage has a first port, a second port and a third port that are open to the spool hole. The second oil passage has a fourth port, a fifth port and a sixth port that are open to the spool hole. The spool includes a first oil groove, a second oil groove, a third oil groove, a fourth oil groove, a first communication passage, and a second communication passage. The spool is slidable in the spool hole to switch communication of the third oil groove with the second port and the third port and to switch communication of the fourth oil groove with the fifth port and the sixth port.

Growing community of inventors

Saitama, Japan

Masahiko Mizuguchi