公开(公告)号：US20180083179A1

公开(公告)日：2018-03-22

申请号：US15706800

申请日：2017-09-18

Applicant: SHOWA DENKO K.K.

Inventor： Yasutaka YOSHIDA ,  Akifumi MURAOKA

IPC: H01L35/32 ,  F25B21/02 ,  H01L23/38

CPC classification number: H01L35/32 ,  F25B21/02 ,  H01L23/38

Abstract: A thermoelectric conversion device includes: a thermoelectric conversion unit that includes thermoelectric conversion elements converting heat caused by temperature difference between a high-temperature side and a low-temperature side into electricity; a base unit that is loaded with the thermoelectric conversion unit to face the low-temperature side of the thermoelectric conversion unit; a lid unit that covers the thermoelectric conversion unit to face the high-temperature side of the thermoelectric conversion unit; a press ring that is provided over an entire circumference of outside of periphery of the thermoelectric conversion unit and sandwiches the brim portion of the lid unit between thereof and the base unit; and plural screws that position the lid unit with respect to the base unit and the thermoelectric conversion unit between the base unit and the lid unit by fixing the press ring to the base unit via the brim portion of the lid unit.