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. 11, 2020
Filed:
Jan. 21, 2016
Applicant:
Daido Steel Co., Ltd., Nagoya-shi, JP;
Inventors:
Assignee:
DAIDO STEEL CO., LTD., Nagoya-Shi, Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L 3/04 (2006.01);
U.S. Cl.
CPC ...
F01L 3/04 (2013.01);
Abstract
The present invention relates to an exhaust valve of a diesel engine for a large ship, containing a shall part and an umbrella part that are integrated with each other and made of an Ni—Cr—Al system Ni-base age-precipitated alloy, in which the exhaust valve has a layered structure and hardness of 600 HV or less as a whole, and the layered structure contains a layer formed of an α-Cr phase having a thickness of 150 nm or more that is aged beyond peak mechanical strength.
Kawaguchi, Shuhei. (2020). Engine exhaust valve for large ship and method for manufacturing the same (U.S. Patent No. 10557388). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10557388
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile