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:
Jun. 01, 2004
Filed:
Dec. 16, 2002
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
At the refrigerant inlet/outlet side surface portion of laminated flat tubes, there is provided a first side refrigerant passage, and in the upper portion of the other side surface portion, there is provided a second side refrigerant passage, and in the lower portion thereof a third side refrigerant passage. A first partition portion is provided in first lower tank portions of the laminated flat tubes, and a second partition portion is provided in second upper tank portions. The first partition portion and the second partition portion respectively divide the laminated first lower tank portions and the second upper tank portions such that the ratio of the number of flat tubes on the refrigerant inlet/outlet side surface portion side, n , to the number of flat tubes on the opposite side surface portion side, n , is approximately 2:1.