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US Patent 9657587 Rotor tip clearance

Patent 9657587 was granted and assigned to Rolls-Royce on May, 2017 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 11933232 Hybrid-electric gas turbine engine and method of operating
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Patent abstract

A method of controlling a rotor tip clearance arrangement of a gas turbine engine and a control system configured to control rotor tip clearance. Steps include measuring at least one engine parameter; determining engine power demand from the at least one engine parameter; and calculating rotor tip clearance given the determined engine power demand. The rotor tip clearance arrangement is controlled to increase or decrease the rotor tip clearance based on the difference between the calculated clearance and a predefined target clearance.

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US Patent 09657587 Rotor tip clearance US Patent 9657587 Rotor tip clearance

Infobox
Patent Number
0965758700
Patent Number
965758700
Edits on 24 May, 2023
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edited on 24 May, 2023
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0965758700
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Infobox
Is a
Patent
Patent
0
Patent Applicant
Rolls-Royce
Rolls-Royce
0
Current Assignee
Rolls-Royce
Rolls-Royce
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
096575870
Date of Patent
May 23, 2017
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Patent Application Number
144587700
Date Filed
August 13, 2014
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=096575870
Patent Primary Examiner
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Woody Lee, Jr.
0
Edits on 24 Sep, 2022
"Entity importer update"
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edited on 24 Sep, 2022
Infobox
Is a
Patent
Patent
0
Patent Applicant
Rolls-Royce
Rolls-Royce
0
Current Assignee
Rolls-Royce
Rolls-Royce
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
096575870
Date of Patent
May 23, 2017
0
Patent Application Number
144587700
Date Filed
August 13, 2014
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=096575870
Patent Primary Examiner
‌
Woody Lee, Jr.
0
Edits on 15 Jun, 2022
"Entity importer update"
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Infobox
Website URL
https://pdfpiw.uspto.gov/.piw?Docid=09657587
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 US Patent 09657587 Rotor tip clearance

Infobox
Is a
Patent
Patent
Patent applicant
Rolls-Royce
Rolls-Royce
Current assignee
Rolls-Royce
Rolls-Royce
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
09657587
Date of patent
May 23, 2017
Patent application number
14458770
Date Filed
August 13, 2014
Patent primary examiner
‌
Woody Lee, Jr.

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