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.

Date of Patent:
Feb. 14, 2023

Filed:

Jul. 27, 2018
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Shin Nakamura, Tokyo, JP;

Tsuyoshi Maeda, Tokyo, JP;

Akira Yatsuyanagi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28F 17/00 (2006.01); F25B 39/00 (2006.01); F28F 1/32 (2006.01); F25B 39/02 (2006.01);
U.S. Cl.
CPC ...
F28F 17/005 (2013.01); F25B 39/00 (2013.01); F28F 1/325 (2013.01); F25B 39/02 (2013.01);
Abstract

A heat exchanger, a heat exchanger unit, and a refrigeration cycle apparatus improve a heat exchange performance, a discharge performance, and a frosting resistance, and each include: a flat tube; a fin formed in the shape of a plate having a plate surface extending in a longitudinal direction of the fin that is perpendicular to a width direction thereof, coincides with an up/down direction, and crosses the tube axis of the flat tube; and a first water conveyance member provided below the fin. The first water conveyance member has: a first upper surface facing a lower end portion of the fin; a first ridge located at one end portion of the first upper surface; and a second ridge located at the other end portion of the first upper surface.


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