The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 01, 2009

Filed:

Mar. 23, 2005
Applicants:

Joong Hee Lee, Ansan-Si, KR;

Hyoung Seo Choi, Suwon-Si, KR;

Inventors:

Joong Hee Lee, Ansan-Si, KR;

Hyoung Seo Choi, Suwon-Si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A multi-stage operation type air conditioner which can be operated in various cooling or heating capacities. The multi-stage operation type air conditioner includes a first discharge port, a first opening/closing device for opening or closing the first discharge port, a second discharge port having a size different from that of the first discharge port, a second opening/closing device for opening or closing the second discharge port, and a controller for controlling the air conditioner such that the air conditioner may be operated with one of the first and second discharge ports opened, in an operation with a lower cooling or heating load, and the air conditioner may be operated with both the first and second discharge ports opened, in an operation with a higher cooling or heating load.


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