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.
Patent No.:
Date of Patent:
Dec. 02, 2003
Filed:
Nov. 20, 2002
Hyoung-Mo Koo, Suwon, KR;
Samsung Electronics Co., Ltd., Suwon, KR;
Abstract
An air conditioner includes an outdoor unit, at least one indoor unit and a compressor. The outdoor unit is connected to the indoor unit by a refrigerant pipe to form a closed circuit. The refrigerant pipe is divided into high and low pressure pipes. The air conditioner further includes a refrigerant leakage detecting unit provided on the indoor unit to detect refrigerant leakage, a high pressure pipe shutoff valve provided on the high pressure pipe of the refrigerant pipe, and a low pressure pipe shutoff valve provided on the low pressure pipe of the refrigerant pipe. Refrigerant is restored into the outdoor unit by closing the high pressure pipe shutoff valve and opening the low pressure pipe shutoff valve.