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)
KOYANAGI YOHEI (JP)
YOKOTA SHUHEI (JP)
Application Number:
PCT/JP2022/039927
Publication Date:
May 02, 2024
Filing Date:
October 26, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F13/22; F28F9/013
Domestic Patent References:
| WO2016117133A1 | 2016-07-28 |
Foreign References:
| JP2017040393A | 2017-02-23 | |||
| JP2006207879A | 2006-08-10 | |||
| JP2022110597A | 2022-07-29 | |||
| JP2003042475A | 2003-02-13 | |||
| JP2015031501A | 2015-02-16 | |||
| JP2006200760A | 2006-08-03 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Download PDF: