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:
May. 19, 2020
Filed:
Aug. 08, 2016
Mitsubishi Hitachi Power Systems, Ltd., Kanagawa, JP;
MITSUBISHI HITACHI POWER SYSTEMS, LTD., Kanagawa, JP;
Abstract
A blade main body () of a gas turbine is provided with a first cooling passage part (), a second cooling passage part (), a column part (), and a plurality of protrusions. The first cooling passage part () is provided at the side near to a leading edge (). The second cooling passage part () is provided at the side near to a trailing edge (). The column part () is provided between the first cooling passage part () and the second cooling passage part (), and is continuously formed between a base part and an end part of the blade main body (). The protrusions protrude from the inner wall surfaces of the first cooling passage part () and the second cooling passage part ().