# US 2018/0320923 A1 · Indoor unit for air-conditioning apparatus

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- Number: US 2018/0320923 A1
- Document ID: US20180320923A1
- Status: Published application
- Kind: A1
- Application number: 15/774,058
- Filed: 2016-01-08
- Published: 2018-11-08
- Earliest claimed: 2016-01-08
- Assignees: Mitsubishi Electric Corporation
- Applicants: Mitsubishi Electric Corporation
- Inventors: Shinji KAWAI; Masato ISHIKAWA; Akimoto SUZUKI; Masahide KINAMI; Hisanori IKEDA
- Web page: https://patentgrep.com/patent/US20180320923A1

## CPC

- F24F 13/20: Casings or covers
- F24F 1/0007: Indoor units, e.g. fan coil units (self-contained units F24F1/02)
- H01R 13/58: Means for relieving strain on wire connection, e.g. cord grip {, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable (for flat or ribbon cables H01R12/771)}
- H05K 5/0247: {Electrical details of casings, e.g. terminals, passages for cables or wiring}
- H05K 7/14: Mounting supporting structure in casing or on frame or rack
- F24F 2013/1453: {with cables, e.g. bowden cables}
- H02G 3/081: {Bases, casings or covers}
- H02G 3/32: using mounting clamps
- F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02)
- H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES

## Abstract

An indoor unit for an air-conditioning apparatus includes a wire attachment part on which a wire is placed, a wire retainer configured to retain the wire placed on the wire attachment part, a wall part provided on one lateral side of the wire attachment part, and having a plurality of opening ports each configured to receive a protrusion part formed at one end of the wire retainer, a plurality of boss parts provided on the other lateral side of the wire attachment part, and having heights different from each other, the wire retainer having the other end to be fastened to any one of the plurality of boss parts, and a fastener configured to fasten the wire retainer to the one of the plurality of boss parts.

## Claims

### Claim 1

An indoor unit for an air-conditioning apparatus, the indoor unit comprising:
a wire fastening structure configured to fasten a wire, the wire fastening structure including a wire attachment part on which a part of the wire is placed, a wire retainer configured to retain the part of the wire placed on the wire attachment per, a wall part provided on one lateral side of the wire attachment part, and having a plurality of opening ports each configured to receive a protrusion part formed at one end of the wire retainer, a plurality of boss parts provided on an other lateral side of the wire attachment part, and having heights different from each other, the wire retainer having an other end to be fastened to any one of the plurality of boss parts, and a fastener configured to fasten the wire retainer to the one of the plurality of boss parts.

### Claim 2 (depends on 1)

The indoor unit for the air-conditioning apparatus of claim 1, wherein each of the plurality of opening ports faces an upper portion of a corresponding one of the plurality of boss parts.

### Claim 3 (depends on 1)

The indoor unit for the air-conditioning apparatus of claim 1, wherein the wire retainer includes a plurality of retaining ribs each configured to retain the wire, the plurality of retaining ribs having heights different from each other.

### Claim 4 (depends on 1)

The indoor unit for the air-conditioning apparatus of claim 1, wherein the wire retainer includes a base plate, a first retaining rib formed on one surface of the base plate, and a second retaining rib formed on an other surface of the base plate, and having height different from height of the first retaining rib.

### Claim 5 (depends on 4)

The indoor unit for the air-conditioning apparatus of claim 4, wherein each of the first retaining rib and the second retaining rib includes a plurality of ribs.

### Claim 6 (depends on 1)

The indoor unit for the air-conditioning apparatus of claim 1, wherein a projection part to be fastened to any one of the plurality of boss parts is formed on the other end of the wire retainer, a screw insertion hole is formed in the projection part, the fastener comprises a screw, and the wire retainer is fastened to the one of the plurality of boss parts by screwing the screw to the one of the plurality of boss parts.

### Claim 7 (depends on 1)

The indoor unit for the air-conditioning apparatus of claim 1, wherein the wire attachment part comprises a plurality of ribs.