Title:
熱交換器用チューブ
Document Type and Number:
Japanese Patent JP6843012
Kind Code:
B2
Abstract:
A plate material forming a tube body part 50 bends at one end section of a first flat wall section 51 in an airflow direction of outside air toward the other side, and bends at the other end section of the first flat wall section 51 in the airflow direction of outside air toward one side. A first middle column section 55 and a second middle column section 56 are formed at an intermediate section of the second flat wall section 52 in the airflow direction of outside air. An overlapping section 57 is provided which extends from a protruding end of the first middle column section 55 toward an inner surface of an end-wall section 53 on one side.
Inventors:
Takashi Yoshida
Yasunori Ueno
Yoshihiro Shintani
Yasunori Ueno
Yoshihiro Shintani
Application Number:
JP2017138373A
Publication Date:
March 17, 2021
Filing Date:
July 14, 2017
Export Citation:
Assignee:
Nippon Climate Systems Co., Ltd.
International Classes:
F28F1/02; B23K1/00; B23K1/19; B60H1/32; F28D1/053; F28F1/40; F28F1/42; F28F19/06
Domestic Patent References:
| JP2005106389A | ||||
| JP2016223725A |
Foreign References:
| US20160356555 | ||||
| FR2769359A1 |
Attorney, Agent or Firm:
Maeda patent office