公开(公告)号：US10557462B2

公开(公告)日：2020-02-11

申请号：US15673581

申请日：2017-08-10

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  THE DOSHISHA

Inventor： Takeshi Bessho ,  Haruhiko Yamasaki ,  Hiroshi Yamaguchi

IPC: F04B19/00 ,  F01N3/04 ,  F28D15/02 ,  F01N3/02 ,  F04B17/03 ,  F04F1/18 ,  F04B19/24 ,  C09K5/04 ,  F01N5/02

Abstract: A magnetic fluid drive unit 100 having a double tube 10 comprising an inner tube 11 and an outer tube 12 formed on the outer side of the inner tube 11, and a magnetic field applicator 30 installed on the outer side of the double tube 10, the inner tube 11 having, in the region where a magnetic field is applied by the magnetic field applicator 30, a high heat conducting region 21 and a low heat conducting region 22 aligned in the lengthwise direction of the inner tube 11, the inside of the inner tube 11 being a heating medium flow path, and the area between the inner tube 11 and the outer tube 12 being a magnetic fluid flow path.