US Patent 11781491 Geared gas turbine engine
Patent 11781491 was granted and assigned to Rolls-Royce on October, 2023 by the United States Patent and Trademark Office.
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US Patent 11781491 Geared gas turbine engine
Article
Patent abstract
A gas turbine engine has a compression system blade ratio defined as the ratio of the height of a fan blade to the height of the most downstream compressor blade in the range of from 45 to 95. This results in an optimum balance between installation benefits, operability, maintenance requirements and engine efficiency when the gas turbine engine is installed on an aircraft.
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Patent Applicant
Current Assignee
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Patent Number
Patent Inventor Names
Gareth M Armstrong
Nicholas Howarth
Date of Patent
October 10, 2023
Patent Application Number
17987516
Date Filed
November 15, 2022
Patent Citations
Patent Primary Examiner
CPC Code
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