Title:
HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2021/245986
Kind Code:
A1
Abstract:
This heat exchanger comprises a plate fin stack (4) configured by stacking plate fins (3) each of which has a flow path for the flow of a first fluid such as a refrigerant. Each plate fin (3) comprises a pair of brazed plates, and the flow path is formed between the pair of plates. A cylindrical part (13) which projects toward the outside of each pair of plates is provided at a header region X portion that is connected to the flow path of the plate fin (3). Cylindrical parts (13) of adjacent plate fins (3) are engaged and brazed to connect and fix header region X portions of the adjacent plate fins (3) together.
Inventors:
OKUMURA TAKUYA
NAGOSHI KENJI
YAMAMOTO NORIAKI
NAGOSHI KENJI
YAMAMOTO NORIAKI
Application Number:
PCT/JP2021/004504
Publication Date:
December 09, 2021
Filing Date:
February 08, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F28D9/02; F28F3/00; F28F3/08; F28F9/02
Foreign References:
| JP2005326072A | 2005-11-24 | |||
| JPH09280778A | 1997-10-31 | |||
| JPS49111253A | 1974-10-23 | |||
| US10408543B2 | 2019-09-10 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
Download PDF: