PLATE-TYPE HEAT EXCHANGER, HEAT PUMP DEVICE EQUIPPED WITH PLATE-TYPE HEAT EXCHANGER, AND HEAT PUMP-TYPE HEATING SYSTEM EQUIPPED WITH HEAT PUMP DEVICE

WIPO Patent Application WO/2021/140611

A1

This plate-type heat exchanger is configured to have a flow passage that is formed by respective spaces between a plurality of stacked heat-transfer plates and that has an inner fin disposed in the flow passage. When the direction of a fluid flowing within the flow passage is defined as a first direction, the direction orthogonal to the first direction is defined as a second direction, and the direction that is orthogonal to both the first and second directions and that is the lamination direction of the heat-transfer plates is defined as a third direction, the inner fin has a lateral surface extending in the third direction and a contact surface that is joined to the heat-transfer plates. The contact surface is formed in a quadrilateral shape as viewed in the third direction. The width W of the contact surface in the second direction is greater than the height H of the lateral surface in the third direction. The contact surface is provided with a first opening in which the length L in the second direction is equal to or greater than the height H of the lateral surface in the third direction.

SUN FAMING (JP)
YOSHIMURA SUSUMU (JP)
EIJIMA YOSHITAKA (JP)
SHIRAISHI SHO (JP)
ABE RYOSUKE (JP)
YOKOI MASAHIRO (JP)
ITO DAISUKE (JP)

PCT/JP2020/000458

July 15, 2021

January 09, 2020

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MITSUBISHI ELECTRIC CORP (JP)

F28D9/02; F28F3/06

WO2019176567A1	2019-09-19
WO2018088006A1	2018-05-17

JPS61141586U	1986-09-01
JP2007163047A	2007-06-28
JPH1123099A	1999-01-26

KISA PATENT & TRADEMARK FIRM (JP)

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