Title:
HEADER PLATELESS TYPE HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2019/131569
Kind Code:
A1
Abstract:
In this header plateless type heat exchanger, a rise in temperature of a tube leading end section, into which high-temperature exhaust gas and the like flow, is suppressed and durability is improved. Regarding the width of each of swelling sections 4 of plates 5, 6 that constitute a flat tube 7, wide parts 4b are provided at both ends in the longitudinal direction of the swelling section 4, and a narrow part 4a is provided in the remaining intermediate portion.
Inventors:
NAKAMURA YOICHI (JP)
SUGIMOTO HIROHITO (JP)
SUGIMOTO HIROHITO (JP)
Application Number:
PCT/JP2018/047418
Publication Date:
July 04, 2019
Filing Date:
December 17, 2018
Export Citation:
Assignee:
T RAD CO LTD (JP)
International Classes:
F28D7/16; F28F1/02; F28F9/00; F28F9/02
Domestic Patent References:
| WO2017073779A1 | 2017-05-04 |
Foreign References:
| JP2015194324A | 2015-11-05 | |||
| JP2017187196A | 2017-10-12 | |||
| JP2015087090A | 2015-05-07 | |||
| US20060219394A1 | 2006-10-05 | |||
| US20010037878A1 | 2001-11-08 |
Attorney, Agent or Firm:
KUBOTA, Takubi (JP)
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