Title:
プレート式熱交換器及びプレート式熱交換器を備えたヒートポンプ式給湯システム
Document Type and Number:
Japanese Patent JP6791102
Kind Code:
B2
Abstract:
To provide a plate type heat exchanger that enables reliable joining of a nozzle in a simple configuration when the nozzle is joined on the outermost layer of the heat transfer plate.SOLUTION: A plate type heat exchanger comprises: a laminate obtained by laminating a plurality of heat transfer plates having heat transfer surfaces in which convex and concave stripes are alternately formed; a plate plane part formed of a flat surface in the outermost layer of the laminate; a plate opening provided for a heat carrier flowing in and out of the laminate; and the nozzle joined to communicate with the plate opening. The nozzle has a cylindrical nozzle cylindrical part for connecting a pipe; and a nozzle plane part formed of an annular flat surface having a circular nozzle opening extending from the peripheral wall on one end side in the axial direction of the nozzle cylindrical part and radially inward of the nozzle cylindrical part. The nozzle plane part and the plate plane part are joined by brazing.SELECTED DRAWING: Figure 2
Inventors:
Keisuke Kitao
Nagashima Yoshimine
Shiraishi Takumi
Kyohei Iida
Nagashima Yoshimine
Shiraishi Takumi
Kyohei Iida
Application Number:
JP2017222786A
Publication Date:
November 25, 2020
Filing Date:
November 20, 2017
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
F28F9/26; B21D19/08; B21D53/04; B23K1/00; F24H4/02; F24H9/00; F28D9/02; F28F3/04; F28F3/08
Domestic Patent References:
| JP2014185803A | ||||
| JP9042884A | ||||
| JP6265289A | ||||
| JP2011196663A | ||||
| JP5506496A | ||||
| JP60060592U |
Attorney, Agent or Firm:
Mamoru Takada
Hideki Takahashi
Yasuo Koizumi
Hideki Takahashi
Yasuo Koizumi