Mitsubishi Electric Corporation

Keisuke Tomomura

Koji Yamaguchi

Tetsuya Tazawa

Hironobu Suehiro

Tatsuo Furuta

Takaaki Takishita

Yoshie Nakaya

Takashi Ikeda

Takahiro Komatsu

Tetsuo Yamashita

Katsuya Ishigami

Hiroki Nakashima

Keiichi Ochiai

Kouji Yamaguchi

Koki Moro

Yusaku Seki

Masatomo Hatta

Megumi Sawai

Jun Tagaya

Hideyuki Ogata

Keichi Ochiai

Toshiya Yamauchi

An indoor unit of an air-conditioning apparatus includes a wind direction vane, a vane motor, an air passage wall, and a shaft joint member. Between a vane shaft and the air passage wall, an annular gap is provided. The shaft joint member includes a flange portion between the air passage wall and the vane motor. The flange portion radially extends outward from a center, thereby causing air that flows toward the vane motor through the annular gap to be diffused outward relative to a direction toward the vane motor.

Indoor unit of air-conditioning apparatus having vane shaft connection mechanism and air-conditioning apparatus having vane shaft connection mechanism

An indoor unit includes a housing that houses an electrical-component storage box that includes a body portion, a lid portion, and an engagement mechanism portion that engages the body portion and the lid portion with each other in a detachable manner. The lid portion covers an open region on a side of the body portion. The engagement mechanism portion includes an engagement claw portion provided at one of the body and lid portions and an engagement hole portion into which the claw portion is inserted, and which is formed at the other of the body and lid portions.

Indoor unit and air-conditioning apparatus

Operation of fastening a decorative-panel mounting screw into a screw-fastening hole of an indoor-unit body is facilitated. A decorative panel includes a decorative-panel body, a decorative-panel mounting component, and a decorative-panel mounting screw. The decorative-panel mounting screw is used to, when the decorative-panel mounting screw is inserted through a second screw-insertion hole in the decorative-panel mounting component and a first screw-insertion hole in the decorative-panel body and fastened into a screw-fastening hole, cause a first mounting plate part and a second mounting plate part included in the decorative-panel mounting component to deform such that a mounting surface part included in the decorative-panel mounting component is displaced toward an indoor-unit body, and cause a first protruding engagement part and a second protruding engagement part included in the decorative-panel mounting component to move to be closer toward each other than before the decorative-panel mounting screw is fastened into the screw-fastening hole.

Decorative panel and indoor unit

An indoor unit for an air-conditioning apparatus includes a body having an opening, a decorative panel attached to the body to cover the opening, and a filter disposed between the body and the decorative panel. The decorative panel has a rectangular air inlet grille disposed at a location that faces the opening of the body. The air inlet grille has long-side wall portions that face each other, a plurality of short-side wall portions disposed perpendicularly to each of the long-side wall portions, a bottom portion surrounded by the long-side wall portions and the plurality of short-side wall portions, and hook receiving portions located in respective grille corner portions each located at the corresponding one of four corners of the bottom portion. The filter is formed in a rectangular shape and has hook portions in respective filter corner portions each located at the corresponding one of four corners of the filter. The hook portions are engaged with the respective hook receiving portions.

Indoor unit for air-conditioning apparatus, and air-conditioning apparatus

An indoor unit for a ceiling-concealed air-conditioning apparatus includes an indoor-unit body having an air inlet at a bottom, a decorative panel provided at the bottom of the indoor-unit body and serving as a design surface, and an inlet grille flap rotatably supported by the decorative panel and covering the air inlet. The inlet grille flap is provided with rotational-axis hinges positioned on both sides at one edge of the inlet grille flap and serving as a rotational axis of the inlet grille flap, and a latch part positioned between the two rotational-axis hinges and projecting from the one edge. The decorative panel has a flange positioned below the latch part and supporting the latch part from below when the inlet grille flap is closed.

Indoor unit for ceiling-concealed air-conditioning apparatus, and ceiling-concealed air-conditioning apparatus including the same

An air-conditioning apparatus includes a body, a decorative panel attached to a lower surface of the body defining a lower surface of the air-conditioning apparatus, an air-inlet grille that can rotate to open and close and is attached to an air inlet of the decorative panel, and a shaft disposed on the decorative panel. The shaft is movable along an axis of rotation of the air-inlet grille. The shaft includes a shaft body, a pivot protruding from one end face of the shaft body in a moving direction of the shaft, and a rib extending parallel to the pivot. The air-inlet grille has a mating portion into which the pivot is inserted to support rotation of the air-inlet grille. The pivot engages the air-inlet grille at a first limit of a movable range of the shaft. The rib engages the decorative panel while the pivot is fitted in the mating portion.

Air-conditioning apparatus

A ceiling concealed indoor unit and an air-conditioning apparatus equipped therewith includes a body; and a body decorative panel installed below the body, in which the body decorative panel includes a pair of guide ribs disposed to be opposite to each other and adapted to accept passage of a rail of an auxiliary decorative panel coupled to the body decorative panel.

Ceiling concealed indoor unit and air-conditioning apparatus equipped therewith

An indoor unit of an air-conditioning apparatus includes: a main body provided with an opening port; and a rectangular decorative panel attached to the main body to cover the opening port. The decorative panel includes a rectangular suction grille provided to face the opening port of the main body. The suction grille has one side rotatably supported on one side of the decorative panel, and is detachably attached to the decorative panel. The one side of the suction grille and the one side of the decorative panel are secured to each other by a plurality of fall prevention strings. The decorative panel is provided with two panel claw portions to which the plurality of fall prevention strings are to be hooked. The suction grille is provided with two grille claw portions to each of which respective end portions of the plurality of fall prevention strings are to be hooked.

Indoor unit for use in air-conditioning apparatus and air-conditioning apparatus including the same

A ceiling concealed air-conditioning apparatus includes: a box-shaped air-conditioning apparatus body having an open bottom; and an exterior panel attached to an underside of the air-conditioning apparatus body. The exterior panel includes: a panel body covering the open bottom of the air-conditioning apparatus body; and a panel unit removably attached to a lower part of the panel body. The panel body includes an opening at an area where the panel unit is attached to the panel body, and further includes a string hanger to hang a string at a corner of the opening, the string hanger being integral with the panel body and protruding to an inside of the opening. The panel unit includes a holding part to hold the string on a surface of the panel unit facing the panel body, the holding part being integral with the panel unit. One end of a loop of the string is held by the holding part and the other end of the loop of the string is hung on the string hanger to connect the panel body and the panel unit with the string.

Ceiling concealed air-conditioning apparatus

Provided is a ceiling-concealed air-conditioning apparatus, including: an air-conditioning apparatus main body having an air inlet formed in a lower portion thereof; an electrical component box arranged on a side of the air-conditioning apparatus main body, and includes a switch configured to operate the air-conditioning apparatus main body, and arranged on a lower portion of the electrical component box; and a decorative panel arranged below the air-conditioning apparatus main body and the electrical component box to serve as a decorative surface, the decorative panel including: a suction grille arranged so as to be openable and closable and configured to cover the air inlet; and a side panel arranged below the electrical component box, the side panel including an openable and closable cover arranged so as to be openable and closable and configured to cover the switch when the openable and closable cover is closed, the openable and closable cover including a protruding portion protruded on a side portion of the openable and closable cover on the suction grille side, in which the openable and closable cover is opened by pulling the protruding portion downward under a state in which the openable and closable cover is closed, and in which the protruding portion is covered by the suction grille when the suction grille is closed, and the protruding portion is exposed to an outside when the suction grille is opened.

Ceiling-concealed air-conditioning apparatus

A floor-positioned air-conditioning apparatus including a housing including a fan and a heat exchanger; a forward blowing control member rotatably arranged at a forward air outlet formed in a housing front surface at a position near a housing top surface; and an upward blowing control member rotatably arranged at an upward air outlet formed near the housing front surface are included. The forward blowing control member closes the forward air outlet and the upward blowing control member closes the upward air outlet during operation stop. The forward blowing control member closes the forward air outlet and the upward blowing control member is rotated and opens the upward air outlet during cooling operation. The upward blowing control member closes the upward air outlet and the forward blowing control member is rotated and opens the forward air outlet during heating operation.

Growing community of inventors

Tokyo, Japan

Keisuke Tomomura