Air conditioning apparatus

Patent metadata

Field	Value
Publication number	US-2024159421-A1
Application number	US-202218281264-A
Country	US
Kind code	A1
Filing date	Mar 22, 2022
Priority date	Mar 24, 2021
Publication date	May 16, 2024
Grant date	—

Abstract

An air conditioning apparatus includes a refrigerant circuit including a plurality of heat exchangers (a condenser and an evaporator), and an axial fan configured to send air to the heat exchangers. The refrigerant circuit and the axial fan are accommodated in a case. The heat exchangers are disposed in a direction orthogonal to an air flow direction, and the axial fan is disposed on one side of an arrangement direction of the heat exchangers, and supplies the air to the heat exchangers.

First claim

1 . An air conditioning apparatus comprising:
a refrigerant circuit including a plurality of heat exchangers; and an axial fan configured to send air to the heat exchangers, the refrigerant circuit and the axial fan being accommodated in a case, wherein: the heat exchangers are disposed in a direction orthogonal to an air flow direction; and the axial fan is disposed on one side of an arrangement direction of the heat exchangers, and supplies the air to the heat exchangers.

2 . The air conditioning apparatus according to claim 1 , further comprising a one-side rectifier configured to uniformize wind speed distribution of air flowing to a heat exchanger on the one side of the arrangement direction.

3 . The air conditioning apparatus according to claim 2 , wherein the one-side rectifier is a protrusion formed on the one side of the arrangement direction of an end surface of a flow path of the air flowing from the axial fan to the heat exchanger on the one side of the arrangement direction, the protrusion protruding to the other side of the arrangement direction.

4 . The air conditioning apparatus according to claim 1 , further comprising an other-side rectifier configured to uniformize wind speed distribution of air flowing to a heat exchanger on the other side of the arrangement direction.

5 . The air conditioning apparatus according to claim 4 , wherein the other-side rectifier includes a restrictor configured to narrow a flow path of the air flowing from the axial fan to the heat exchanger on the other side of the arrangement direction.

6 . The air conditioning apparatus according to claim 1 , wherein a central axis of the heat exchanger on the one side of the arrangement direction and a central axis of the heat exchanger on the other side of the arrangement direction are orthogonal to the air flow direction and parallel to a vertical direction, and are spaced from one another.

7 . The air conditioning apparatus according to claim 6 , wherein the central axis of the heat exchanger on the one side of the arrangement direction is disposed nearer a central axis of the axial fan orthogonal to the air flow direction and parallel to the vertical direction than the central axis of the heat exchanger on the other side of the arrangement direction.

8 . The air conditioning apparatus according to claim 1 , further comprising:
a heating element; and a heat releasing device mounted to the heating element, wherein the heat releasing device is provided in a ventilation flue through which air being subjected to a heat exchange with the heat exchangers, on a windward side of the heat exchangers.

9 . The air conditioning apparatus according to claim 8 , wherein the heat releasing device is provided in the ventilation flue of the heat exchanger on the one side of the arrangement direction.

10 . The air conditioning apparatus according to claim 2 , further comprising an other-side rectifier configured to uniformize wind speed distribution of air flowing to a heat exchanger on the other side of the arrangement direction.

11 . The air conditioning apparatus according to claim 3 , further comprising an other-side rectifier configured to uniformize wind speed distribution of air flowing to a heat exchanger on the other side of the arrangement direction.

12 . The air conditioning apparatus according to claim 2 , wherein a central axis of the heat exchanger on the one side of the arrangement direction and a central axis of the heat exchanger on the other side of the arrangement direction are orthogonal to the air flow direction and parallel to a vertical direction, and are spaced from one another.

13 . The air conditioning apparatus according to claim 3 , wherein a central axis of the heat exchanger on the one side of the arrangement direction and a central axis of the heat exchanger on the other side of the arrangement direction are orthogonal to the air flow direction and parallel to a vertical direction, and are spaced from one another.

14 . The air conditioning apparatus according to claim 4 , wherein a central axis of the heat exchanger on the one side of the arrangement direction and a central axis of the heat exchanger on the other side of the arrangement direction are orthogonal to the air flow direction and parallel to a vertical direction, and are spaced from one another.

15 . The air conditioning apparatus according to claim 5 , wherein a central axis of the heat exchanger on the one side of the arrangement direction and a central axis of the heat exchanger on the other side of the arrangement direction are orthogonal to the air flow direction and parallel to a vertical direction, and are spaced from one another.

16 . The air conditioning apparatus according to claim 2 , further comprising:
a heating element; and a heat releasing device mounted to the heating element, wherein the heat releasing device is provided in a ventilation flue through which air being subjected to a heat exchange with the heat exchangers, on a windward side of the heat exchangers.

17 . The air conditioning apparatus according to claim 3 , further comprising:
a heating element; and a heat releasing device mounted to the heating element, wherein the heat releasing device is provided in a ventilation flue through which air being subjected to a heat exchange with the heat exchangers, on a windward side of the heat exchangers.

18 . The air conditioning apparatus according to claim 4 , further comprising:
a heating element; and a heat releasing device mounted to the heating element, wherein the heat releasing device is provided in a ventilation flue through which air being subjected to a heat exchange with the heat exchangers, on a windward side of the heat exchangers.

19 . The air conditioning apparatus according to claim 5 , further comprising:
a heating element; and a heat releasing device mounted to the heating element, wherein the heat releasing device is provided in a ventilation flue through which air being subjected to a heat exchange with the heat exchangers, on a windward side of the heat exchangers.

20 . The air conditioning apparatus according to claim 6 , further comprising:
a heating element; and a heat releasing device mounted to the heating element, wherein the heat releasing device is provided in a ventilation flue through which air being subjected to a heat exchange with the heat exchangers, on a windward side of the heat exchangers.

Assignees

• Sanden Corp

Inventors

• Iwasawa Naotaka
• Kaneko Akira
• Kano Yasuaki
• Tobe Takahisa
• Kowada Yoshio

Classifications

• F24F1/02

  Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing · CPC title

• F24F1/028

  characterised by air supply means, e.g. fan casings, internal dampers or ducts (with secondary air induced by injector action of the primary air F24F1/01) · CPC title

• F24F1/0284

  with horizontally arranged fan axis · CPC title

• F24F1/029

  characterised by the layout or mutual arrangement of components, e.g. of compressors or fans · CPC title

• F24F1/0323

  by the mounting or arrangement of the heat exchangers · CPC title