US Patent 9206775 Fuel preheating using electric pump
Patent 9206775 was granted and assigned to United Technologies on December, 2015 by the United States Patent and Trademark Office.
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Patent abstract
A fuel system for an auxiliary power unit includes a mechanical fuel pump, an electric fuel pump, and a controller. The mechanical fuel pump provides fuel flow to the auxiliary power unit and has an output dependent upon an operational speed of the auxiliary power unit. The electric fuel pump is located in flow series with the mechanical fuel pump. The controller causes the electric fuel pump to circulate and thereby warm fuel prior to start up of the auxiliary power unit.
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US Patent 09206775 Fuel preheating using electric pump US Patent 9206775 Fuel preheating using electric pump
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Patent Number
092067750
Patent Number
92067750
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Current Assignee
Patent Jurisdiction
Patent Number
092067750
Date of Patent
December 8, 2015
0Patent Application Number
135423110
Date Filed
July 5, 2012
0Official Website
Patent Primary Examiner
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US Patent 09206775 Fuel preheating using electric pump
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
09206775
Date of patent
December 8, 2015
Patent application number
13542311
Date Filed
July 5, 2012
Patent primary examiner
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