公开(公告)号：US09956654B2

公开(公告)日：2018-05-01

申请号：US14780994

申请日：2014-03-27

Applicant: DENSO CORPORATION

Inventor： Kazuaki Kafuku ,  Isao Kuroyanagi ,  Yasutoshi Yamanaka ,  Ryonosuke Tera ,  Yukihiro Sano

IPC: B23P15/26 ,  F28F3/02 ,  F28D7/16 ,  F28D9/00 ,  C23C16/40 ,  C23C16/455

CPC classification number: B23P15/26 ,  C23C16/405 ,  C23C16/45555 ,  F28D7/1684 ,  F28D9/0062 ,  F28F3/027 ,  F28F2275/04

Abstract: A method for manufacturing a heat exchanger includes: assembling a plurality of heat exchanger components in an assembly step; and forming a film on surfaces of the heat exchanger components using a chemical vapor deposition method in a film formation step after the assembly step. The film can restrict a formation of a through hole due to corrosion. The film can be restricted from being damaged at a delivery or assembling time, because the film formation step is provided after the assembly step. An occurrence of clogging can be restricted at a minute portion inside of the heat exchanger in the film formation step, because the film is formed using the chemical vapor deposition method.