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:
May. 11, 2004
Filed:
May. 28, 2003
Kil Sang Jang, Daejeon, KR;
Halla Climate Control Corporation, Daejeon, KR;
Abstract
A heat exchanger for a CO refrigerant includes at least three rows of tube groups including a plurality of tubes having an independent refrigerant path, first and second header pipes including a header where a plurality of tube insertion holes into which the tubes are inserted are formed and a tank having partition walls formed along a direction of the flow of a refrigerant, wherein a plurality of return holes are formed in the partition walls, end caps sealing both end portions of the first and second header pipes, a coupling reinforcement portion installed at least one of the first and second header pipes and reinforcing a coupling force of the header and the tank, a refrigerant inlet pipe connected to the first or second header pipe through which the refrigerant enters, and a refrigerant outlet pipe connected to the first or second header pipe through which the refrigerant is exhausted. The refrigerant entering through the refrigerant inlet pipe is made to flow in a direction adverse to a direction in which air flows.