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US Patent 11708792 Twin-engine system with electric drive

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Is a
Patent
Patent
0

Patent attributes

Patent Applicant
Pratt & Whitney Canada
Pratt & Whitney Canada
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Current Assignee
Pratt & Whitney Canada
Pratt & Whitney Canada
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
117087920
Date of Patent
July 25, 2023
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Patent Application Number
178046310
Date Filed
May 31, 2022
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Patent Citations
‌
US Patent 8226522 Coupling for generator/starter
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US Patent 8232700 Multi-rotor electric machine
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US Patent 8324746 Variable drive gas turbine engine
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US Patent 8461704 Gas turbine engine apparatus
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US Patent 9601970 Gas turbine engine and electrical system
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US Patent 10371007 Auxiliary oil pump for gas turbine engine gear reduction
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US Patent 10408133 Accessory drive system for a gas turbine engine
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US Patent 10458340 Turbine shaft power take-off
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...
Patent Primary Examiner
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Todd E. Manahan
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CPC Code
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B64D 2027/026
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B60K 2006/266
0
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B60K 2025/005
0

A twin-engine system includes a gas turbine engine comprising a core and a first output shaft drivable by the core. An electric engine has an electric motor configured to drive a second output shaft. A reduction gear box (RGB) has an RGB input drivingly engaged to both the first output shaft and the second output shaft. The RGB has an RGB output to provide rotational output to a rotatable load.

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