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. 07, 2016
Filed:
Oct. 26, 2010
Yoshio Oritani, Sakai, JP;
Masanori Jindou, Sakai, JP;
Hideki Sawamizu, Sakai, JP;
Yoshimasa Kikuchi, Sakai, JP;
Kanji Akai, Sakai, JP;
Yoshio Oritani, Sakai, JP;
Masanori Jindou, Sakai, JP;
Hideki Sawamizu, Sakai, JP;
Yoshimasa Kikuchi, Sakai, JP;
Kanji Akai, Sakai, JP;
DAIKIN INDUSTRIES, LTD., Osaka-Shi, JP;
Abstract
A heat exchanger is provided in which a large number of plate-shaped fins are attached to outer peripheries of heat transfer tubes through which refrigerant flows. Three rows of heat transfer tubes are arranged along an air flow direction. An inlet side heat transfer tube in a case of using as an evaporator or an outlet side heat transfer tube in a case of using as a condenser has the smallest diameter. In a case where the most windward side heat transfer tube has the smallest diameter, a tube diameter of the most windward side heat transfer tube is D, a tube diameter of the middle heat transfer tube is D, and a tube diameter of the most leeward side is D, D<D=D, 4 mm≦D≦10 mm, and 0.6≦D/D<1 are satisfied.