US Patent 11364990 Variable pitch propeller control system
Patent 11364990 was granted and assigned to Pratt & Whitney Canada on June, 2022 by the United States Patent and Trademark Office.
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Patent Citations Received
Edits on 16 Oct, 2023
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Patent Inventor Names
Benoit Lachance0
Ignazio Broccolini0
Edits on 23 Mar, 2023
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
113649900
Date of Patent
June 21, 2022
0Patent Application Number
160555490
Date Filed
August 6, 2018
0Patent Primary Examiner
CPC Code
Edits on 22 Jun, 2022
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US Patent 11364990 Variable pitch propeller control system
Article
The variable pitch propeller control system can have a source of adjustable, actuation hydraulic pressure, a feather valve openable to provide an actuation path of the actuation hydraulic pressure between the source and the actuator, and closeable to connect the actuator to a drain below the actuation hydraulic pressure and close the actuator path, and a bypass path parallel to the actuator path, the bypass path having a restricted flow area relative to a flow area of the actuator path.
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
11364990
Date of patent
June 21, 2022
Patent application number
16055549
Date Filed
August 6, 2018
Patent primary examiner
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