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Patent Searching and Data


Title:
HEAT EXCHANGER AND HEAT PUMP APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/262699
Kind Code:
A1
Abstract:
Provided are a heat exchanger and a heat pump apparatus that enable, while using a fewer number of components, feeding of refrigerant toward a direction in which a plurality of heat transfer pipes connected to a header are arranged side by side. An outdoor heat exchanger (11) is provided with a liquid header (30), wherein the liquid header (30) includes a first liquid-side member (31) including a liquid-side flat tube connection plate (31a) to which a plurality of flat tubes (28) are connected, a seventh liquid-side member (37) including a liquid-side external plate (37a) positioned on the side opposite to the flat tubes (28) side, and a fourth liquid-side member (34) which is positioned between the two members and which includes a fourth internal plate (34a). The fourth internal plate (34a) has a first penetration part (34o) extending along the direction in which the plurality of flat tubes (28) are arranged side by side. The first penetration part (34o) includes, in this order, an introducing space (34x), a nozzle (34y), and a rising space (34z) along the direction in which the plurality of flat tubes (28) are arranged side by side, wherein the width of the nozzle (34y) is shorter than that of the introducing space (34x), and is also shorter than that of the rising space (34z).

Inventors:
HIROKAWA TOMOKI
ANDOU TOORU
MATSUMOTO YOSHIYUKI
KUSAKA HIDEYUKI
FUJINO HIROKAZU
YAMADA KOUJU
Application Number:
PCT/JP2020/025553
Publication Date:
December 30, 2020
Filing Date:
June 29, 2020
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B39/00; F28F9/02; F28F9/22
Domestic Patent References:
WO2017042866A12017-03-16
WO2017203566A12017-11-30
WO2019193713A12019-10-10
Foreign References:
US20150300758A12015-10-22
JPH0611291A1994-01-21
JPH05296606A1993-11-09
JP2019056543A2019-04-11
JP2016070622A2016-05-09
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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