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:
Dec. 27, 2016
Filed:
Oct. 26, 2010
Nozomi Tanaka, Tokyo, JP;
Shinya Kusuda, Tokyo, JP;
Tsutomu Oishi, Tokyo, JP;
Yoshinori Oba, Tokyo, JP;
Nozomi Tanaka, Tokyo, JP;
Shinya Kusuda, Tokyo, JP;
Tsutomu Oishi, Tokyo, JP;
Yoshinori Oba, Tokyo, JP;
IHI CORPORATION, , JP;
Abstract
A noise reduction system includes: a microjet ring () provided at an exhaust side peripheral edge of a main nozzle of a jet engine, and has a plurality of injection pipes () formed in a circumferential direction thereof at regular intervals; and a supply path configured to take part of compressed air in from a flow path in an upstream side of a combustor in the jet engine, and to guide the part of compressed air to the plurality of injection pipes (), wherein the plurality of injection pipes () is configured to inject the part of compressed air to a jet flow.