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US Patent 9664070 Bowed rotor prevention system

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Patent Citations Received
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US Patent 12084985 Digital shaft positioning for a turbine rotor
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US Patent 12060839 Optimized bowed rotor control method
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US Patent 11976589 Gas turbine engine system wear reduction
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Patent abstract

A bowed rotor prevention system for a gas turbine engine includes a bowed rotor prevention motor operable to drive rotation of the gas turbine engine through an engine accessory gearbox. The bowed rotor prevention system also includes a controller operable to engage the bowed rotor prevention motor and drive rotation of the gas turbine engine below an engine starting speed until a bowed rotor prevention threshold condition is met.

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US Patent 11753939 Turbomachine with alternatingly spaced rotor blades
Edits on 7 Jun, 2023
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edited on 7 Jun, 2023
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US Patent 11668248 Start-up system and method for rotor bow mitigation
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edited on 7 Jun, 2023
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US Patent 11671040 Turbomachine with an electric machine assembly and method for operation
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edited on 23 May, 2023
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0966407000
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edited on 21 May, 2023
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US Patent 09664070 Bowed rotor prevention system US Patent 9664070 Bowed rotor prevention system

Infobox
Patent Number
0966407000
Patent Number
966407000
Edits on 24 Apr, 2023
"Entity importer update"
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edited on 24 Apr, 2023
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
096640700
Date of Patent
May 30, 2017
0
Patent Application Number
150423310
Date Filed
February 12, 2016
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=096640700
Patent Primary Examiner
‌
Lorne Meade
0
Edits on 28 Sep, 2022
"Entity importer update"
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edited on 28 Sep, 2022
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
096640700
Date of Patent
May 30, 2017
0
Patent Application Number
150423310
Date Filed
February 12, 2016
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=096640700
Patent Primary Examiner
‌
Lorne Meade
0
Edits on 15 Jun, 2022
"Entity importer update"
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edited on 15 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=09664070
Edits on 12 Jan, 2022
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created this topic on 12 Jan, 2022
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 US Patent 09664070 Bowed rotor prevention system

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
09664070
Date of patent
May 30, 2017
Patent application number
15042331
Date Filed
February 12, 2016
Patent primary examiner
‌
Lorne Meade

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