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:
Oct. 07, 2025

Filed:

Mar. 30, 2023
Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventors:

Hirosumi Todaka, Saitama, JP;

Yasunari Kimura, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); B33Y 80/00 (2015.01);
U.S. Cl.
CPC ...
H05K 7/20445 (2013.01); H05K 7/20409 (2013.01); B33Y 80/00 (2014.12); H05K 7/20927 (2013.01);
Abstract

A water jacket includes a base having a plate shape. The base includes: a refrigerant supply path having a refrigerant inflow portion configured to allow a refrigerant to flow thereinto; a refrigerant discharge path having a refrigerant outflow portion configured to allow the refrigerant to flow out therethrough; and a chamber communicating with the refrigerant supply path and the refrigerant discharge path. The chamber includes: a first surface and a second surface facing the first surface; a plurality of columnar fins erected from the first surface and intersecting a flow direction of the refrigerant; and a plurality of wing-like fins disposed closer to the second surface than the first surface and inclined or curved from an upstream side toward a downstream side in the flow direction of the refrigerant as the plurality of wing-like fins go from the second surface toward the first surface.


Find Patent Forward Citations

Loading…