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US Patent 9404423 Fuel staging system

Patent 9404423 was granted and assigned to Rolls-Royce Controls and Data Services on August, 2016 by the United States Patent and Trademark Office.

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Patent abstract

A fuel staging system is described which comprises a staging valve 28 operable to divide a metered fuel supply between a pilot delivery line 18 and a mains delivery line 16, and a recirculation valve 54 connected to the mains delivery line 16 and operable to permit a recirculation fuel flow to be supplied to the mains delivery line 16 when the staging valve 28 occupies a position in which substantially no fuel is delivered to the mains delivery line 16 through the staging valve 28.

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Patent Inventor Names
Jonathan David Pye0
Michael Griffiths0
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Patent Citations Received
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US Patent 11760500 Systems and methods for filling a fuel manifold of a gas turbine engine
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Patent Citations Received
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US Patent 11713723 Method and system for operating an engine
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US Patent 09404423 Fuel staging system US Patent 9404423 Fuel staging system

Infobox
Patent Number
094044230
Patent Number
94044230
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=094044230
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Infobox
Is a
Patent
Patent
0
Current Assignee
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Rolls-Royce Controls and Data Services
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
094044230
Date of Patent
August 2, 2016
0
Patent Application Number
133329440
Date Filed
December 21, 2011
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=094044230
Patent Primary Examiner
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Andrew Nguyen
0
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=09404423
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 US Patent 09404423 Fuel staging system

Infobox
Is a
Patent
Patent
Current assignee
‌
Rolls-Royce Controls and Data Services
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
09404423
Date of patent
August 2, 2016
Patent application number
13332944
Date Filed
December 21, 2011
Patent primary examiner
‌
Andrew Nguyen

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