Title:
HEAT EXCHANGER AND METHOD FOR DEFROSTING HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2020/100768
Kind Code:
A1
Abstract:
The heat exchanger according to one embodiment of the present invention is provided with: a gas flow path through which a to-be-cooled gas is passed; a plurality of heat transfer pipes that are disposed within the gas flow path; and an upstream side heating part that is for maintaining the temperature of a frost layer formation surface of, among the aforementioned plurality of heat transfer pipes, at least one upstream-side heat transfer pipe located in an upstream side region in the flow direction of the to-be-cooled gas, and/or the temperature of a frost layer formation surface of a heat dissipation member provided to the outer circumference of said upstream-side heat transfer pipe, so as to be lower than 0°C but higher than the temperature of the to-be-cooled gas.
Inventors:
KATO MASASHI (JP)
NISHIDA KOSAKU (JP)
NISHIDA KOSAKU (JP)
Application Number:
PCT/JP2019/043988
Publication Date:
May 22, 2020
Filing Date:
November 08, 2019
Export Citation:
Assignee:
MAEKAWA SEISAKUSHO KK (JP)
International Classes:
F25B47/02; F25D21/06; F28F13/04; F28F17/00
Domestic Patent References:
| WO2017175411A1 | 2017-10-12 |
Foreign References:
| JPS50145056U | 1975-12-01 | |||
| JPS5731769A | 1982-02-20 | |||
| JP2002286332A | 2002-10-03 | |||
| JP2013160483A | 2013-08-19 | |||
| JPS604056Y2 | 1985-02-04 | |||
| US5771699A | 1998-06-30 | |||
| JPS5727371B2 | 1982-06-10 |
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
Download PDF: