Air-conditioning-apparatus indoor unit

Patent metadata

Field	Value
Publication number	US-10429088-B2
Application number	US-201615393418-A
Country	US
Kind code	B2
Filing date	Dec 29, 2016
Priority date	Jun 9, 2011
Publication date	Oct 1, 2019
Grant date	Oct 1, 2019

Abstract

Body air outlets 10d of an air-conditioning-apparatus indoor unit 100 each has a substantially trapezoidal shape in plan view and are each defined by a body-air-outlet outer side wall 10d2, a body-air-outlet inner side wall 10d4, and a pair of body-air-outlet end walls 10d1. The body-air-outlet outer side wall 10d2 is provided with a deflection guide 2 at each of long-side ends thereof. The body-air-outlet end walls 10d1 are each provided with a sloping guide 3. The deflection guide 2 has a deflection-guide upper surface 2a that gradually projects toward the body-air-outlet inner side wall 10d4 in a direction toward a body open face 10e (toward a downstream side) and in a direction toward the central part of the body air outlet 10d. The sloping guide 3 has a sloping-guide upper surface 3a that gradually projects toward the central part of the body air outlet 10d as the sloping guide 3 extends closer to the body open face 10e (toward the downstream side).

First claim

The invention claimed is:

1. An air-conditioning-apparatus indoor unit comprising:
a body which is box-shaped, the body including a body top board having a substantially rectangular shape, a body side board connected to all sides of the body top board, and a body open face provided opposite to the body top board and having an opening;
an air-sending fan provided inside the body;
a heat exchanger provided inside the body in such a manner as to surround the air-sending fan;
a sloping guide; and
a drain pan provided inside the body and below the heat exchanger, and including a drain reservoir that stores condensed water generated by the heat exchanger,
wherein the body further includes
a plurality of body air outlets provided on a periphery of the body open face and configured to blow out air to an outside of the body, the air having been taken in from the opening of the body open face and having flowed through the heat exchanger,

wherein the plurality of body air outlets are each formed by
a body-air-outlet outer side wall provided along the body side board;
a body-air-outlet inner side wall provided by opposing the body-air-outlet outer side wall, and
body-air-outlet end walls connecting the body-air-outlet outer side wall and the body-air-outlet inner side wall,

wherein one of the body-air-outlet end walls stands between the drain reservoir and one of the plurality of body air outlets, and
wherein the sloping guide is provided on at least one of the body-air-outlet end walls and has a sloping-guide upper surface, and
wherein the sloping-guide upper surface projects toward a central part of the body air outlet as the sloping-guide upper surface extends closer to the body open face from the body top board and is continuous with the body-air-outlet inner side wall.

2. The air-conditioning-apparatus indoor unit of claim 1 ,
wherein the one of the body-air-outlet end walls is provided as an integrated component with the drain pan.

3. The air-conditioning-apparatus indoor unit of claim 1 ,
wherein the sloping guide is provided as an integrated component with the drain pan or as separate components from the drain pan.

4. The air-conditioning-apparatus indoor unit of claim 1 ,
wherein the sloping guide has sloping guide slits provided at intervals and extending parallel to the body-air-outlet outer side wall and perpendicularly to the body open face, and
wherein a portion of the air passed through the heat exchanger flows through the sloping-guide slits and is blown toward a lower side of a sloping-guide lower surface.

5. The air-conditioning-apparatus indoor unit of claim 1 , further comprising a deflection guide provided at the body-air-outlet outer side wall,
wherein the deflection guide includes a deflection upper surface extending closer to the body-air-outlet inner side wall in a direction from the body-air-outlet outer side wall on sides of the body-air-outlet end walls toward a central part of the body air outlet and in a direction from an upper side of the body-air-outlet outer side wall toward a lower side of the body-air-outlet outer side wall.

6. The air-conditioning-apparatus indoor unit of claim 5 ,
wherein the deflection guide has deflection guide slits provided at intervals and extending perpendicularly to both the body-air-outlet outer side wall and the body open face.

7. The air-conditioning-apparatus indoor unit of claim 1 ,
wherein the heat exchanger includes a heat-exchanger refrigerant receiving portion and a heat-exchanger refrigerant turn-around portion,
wherein the drain pan is absent at a position on a side of the body open face between the heat-exchanger refrigerant receiving portion and the heat-exchanger refrigerant turn-around portion, and
wherein, among the body-air-outlet end walls, the body-air-outlet end walls that reside at positions corresponding to the heat-exchanger refrigerant receiving portion and the heat-exchanger refrigerant turn-around portion, respectively, are free of the sloping guides.

Assignees

• Mitsubishi Electric Corp

Inventors

• Ikeda Takashi
• Takagi Masahiko
• Kurihara Makoto

Classifications

• F24F2013/221

  to avoid the formation of condensate, e.g. dew · CPC title

• F24F13/081

  for guiding air around a curve · CPC title

• F24F1/0047

  mounted in the ceiling or at the ceiling · CPC title

• F24F1/0014 Primary

  having two or more outlet openings · CPC title

• F25D17/06

  by forced circulation · CPC title