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Patent Searching and Data


Title:
INDOOR HEAT EXCHANGER UNIT AND AIR CONDITIONER INDOOR UNIT
Document Type and Number:
WIPO Patent Application WO/2024/089801
Kind Code:
A1
Abstract:
This indoor heat exchanger unit comprises: a plurality of fins arranged at intervals in one direction; heat transfer pipes passing through the plurality of fins, the heat transfer pipes having turn-back parts that turn back at end sections in the one direction; and heat-exchanger-holding components provided to the one-direction end sections of the heat transfer pipes, the heat-exchanger-holding components having a plate-form holder substrate in which are formed insertion holes into which the turn-back parts are inserted. The heat-exchanger-holding components also have hooks for holding upper sections of the turn-back parts, the hooks being provided to upper edge sections of the insertion holes and protruding from a second surface of the holder substrate, the second surface being on the opposite side of the holder substrate from a first surface facing the fins. The insertion holes each include: a piping region in which the turn-back parts held by the hooks are positioned, the piping region having a rounded-corner rectangular shape; and a drainage hole that is allowed to communicate with the piping region and is located below the piping region.

Inventors:
UEDA TOMOYA (JP)
KOYANAGI YOHEI (JP)
YOKOTA SHUHEI (JP)
Application Number:
PCT/JP2022/039927
Publication Date:
May 02, 2024
Filing Date:
October 26, 2022
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F13/22; F28F9/013
Domestic Patent References:
WO2016117133A12016-07-28
Foreign References:
JP2017040393A2017-02-23
JP2006207879A2006-08-10
JP2022110597A2022-07-29
JP2003042475A2003-02-13
JP2015031501A2015-02-16
JP2006200760A2006-08-03
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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