Indoor Unit Of An Air Conditioner

• US 20080028784A1
• Filed: 10/19/2005
• Published: 02/07/2008
• Est. Priority Date: 11/12/2004
• Status: Active Grant

• Current Assignee: Daikin Industries Ltd
• Original Assignee: Daikin Industries Ltd
• Inventors: Kawashima, Hitoshi, Takada, Yohei, Ito, Mikio, Kitazawa, Masaaki
• Granted Patent: US 7,849,709 B2
• Time in Patent Office: Days
• US Class Current: 62/324.6
• CPC Class Codes: F24F 1/0057 mounted in or on a wall
• CPC Class Codes: F24F 1/0063 by the mounting or arrangement of the heat exchangers
• CPC Class Codes: F24F 1/0067 by the shape of the heat exchangers or of parts thereof, e.g. of their fins
• CPC Class Codes: F24F 1/0083 with dehumidification means

Abstract

An indoor unit of an air conditioner includes a cross flow fan and an indoor heat exchanger. The cross flow fan generates a flow of air. The heat exchanger has a two row part and a one row part. The one row part has an area that is smaller than the two row part, and is disposed so that it overlaps one part of the two row part (83) in an air transit direction. Furthermore, during a cooling operation, a refrigerant flows to the two row part before flowing to the one row part.

Claims

1. An indoor unit of an air conditioner comprising:

a ventilation fan that generates a flow of air; and

a heat exchanger including

a first heat exchanger layer, and

a second heat exchanger layer that has an area that is a smaller area than the first heat exchanger layer, the second heat exchanger layer being disposed so that it overlaps one part of the first heat exchanger layer in an air transit direction, and during a cooling operation, a refrigerant flows to the first heat exchanger layer before flowing to the second heat exchanger layer.

2. The indoor unit of an as recited in claim 1, wherein

the second heat exchanger layer has a shape that is shorter than the first heat exchanger layer in a longitudinal direction of the first heat exchanger layer.

3. The indoor unit of an air conditioner as recited in claim 1, wherein

the first heat exchanger layer is positioned on a side closer to the ventilation fan than the second heat exchanger layer.

4. The indoor unit of an air conditioner as recited in claim 1, wherein

the second heat exchanger layer constitutes an outermost layer of the heat exchanger.

5. The indoor unit of an air conditioner as recited in claim 4, wherein

the first heat exchanger layer constitutes an innermost layer of the heat exchanger.

6. The indoor unit of an air conditioner as recited in claim 1, further comprising

a prescribed component that opposes one a part of the first heat exchanger layer that is not overlapped by the second heat exchanger layer, and that is disposed in a space that is positioned to the side of the second heat exchanger layer.

7. The indoor unit as recited in claim 2, wherein

the first heat exchanger layer is positioned on a side closer to the ventilation fan than the second heat exchanger layer.

8. The indoor unit as recited in claim 7, wherein

the second heat exchanger layer constitutes an outermost layer of the heat exchanger.

9. The indoor unit as recited in claim 2, wherein

the second heat exchanger layer constitutes an outermost layer of the heat exchanger.

10. The indoor unit as recited in claim 9, wherein

the first heat exchanger layer constitutes an innermost layer of the heat exchanger.

11. The indoor unit as recited in claim 8, wherein

the first heat exchanger layer constitutes an innermost layer of the heat exchanger.

12. The indoor unit as recited in claim 2, further comprising

a prescribed component that opposes a part of the first heat exchanger layer that is not overlapped by the second heat exchanger layer, and that is disposed in a space that is positioned to the side of the second heat exchanger layer.

13. The indoor unit as recited in claim 3, further comprising

a prescribed component that opposes a part of the first heat exchanger layer that is not overlapped by the second heat exchanger layer, and that is disposed in a space that is positioned to the side of the second heat exchanger layer.

14. The indoor unit as recited in claim 7, further comprising

a prescribed component that opposes a part of the first heat exchanger layer that is not overlapped by the second heat exchanger layer, and that is disposed in a space that is positioned to the side of the second heat exchanger layer.