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Title:
HEAT EXCHANGER AND AIR CONDITIONER ON WHICH HEAT EXCHANGER IS MOUNTED
Document Type and Number:
WIPO Patent Application WO/2021/074950
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide a heat exchanger with which it is possible to inhibit separation of a refrigerant in a gas-liquid two-phase state and improve distribution. The heat exchanger according to the present disclosure is provided with: a plurality of heat transfer tubes (1) arranged at intervals in a first direction, each of the heat transfer tubes (1) extending in a second direction; and a refrigerant distributor (100) that is long in the first direction and that distributes, to the plurality of heat transfer tubes (1), a refrigerant in a gas-liquid two-phase state, flowing in from an inflow tube (2). In the refrigerant distributor, there is positioned a partition plate (4a) for partitioning the interior space into a first space (6) to which the plurality of heat transfer tubes (1) are connected, and a second space (7) for channelling the refrigerant in the first direction and feeding the refrigerant to the first space (6). In the partition plate (4a), a plurality of orifice parts (5a) are formed at intervals in the first direction, the orifice parts (5a) having an opening (51a) communicating the first space (6) and the second space (7) with each other, and a projection part (52a) provided on the peripheral edge part of the opening (51a) so as to project towards the second space (7).

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Inventors:
ONAKA YOJI (JP)
MATSUMOTO TAKASHI (JP)
Application Number:
PCT/JP2019/040451
Publication Date:
April 22, 2021
Filing Date:
October 15, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B41/00; F25B39/02; F28F9/02
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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