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:
Feb. 18, 2025
Filed:
Nov. 11, 2019
Mitsubishi Electric Corporation, Tokyo, JP;
Yoji Onaka, Tokyo, JP;
Takashi Matsumoto, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
A heat exchanger includes: flat heat exchange tubes each having an elongated cross section and planar outer surfaces that face each other, and each including a fluid flow passage; and corrugated fins each formed in the shape of waves and provided between associated adjacent ones of the heat exchange tubes. The corrugated fins each having ridge portions that correspond to ridges of the waves and that are joined to the associated heat exchange tubes, the corrugated fin having fins that are located between the ridge portions and are arranged in a height direction. The fins include drain slits each of which allows drainage of water on an associated one of the fins, and end portions of the drain slits of adjacent ones of the fins in a horizontal direction are located at different positions in the drain slits, the adjacent fins being adjacent to each other in the height direction.