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US 11,578,619 B2Granted
Method of repairing a rod guide assembly of a fuel control unit
AssigneePratt & Whitney Canada Corp.
InventorsSamuel Panero, Samuel Marcil Labelle, Eric D'Amour
Life of this patent
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Abstract
A method of repairing a rod guide assembly of a fuel control unit of an aircraft engine is provided. The method comprises disconnecting a used spring seat from the rod of the rod guide assembly and welding a replacement spring seat to the rod using an electron beam controlled using a circular beam deflection pattern.
Claims8
A method of repairing a rod guide assembly of a fuel control unit of an aircraft engine, the method comprising:
- disconnecting a used spring seat from the rod of the rod guide assembly;
- and
- welding a replacement spring seat to the rod using an electron beam controlled using a circular beam deflection pattern,
- wherein disconnecting the used spring seat from the rod includes machining the used spring seat.
1 more element
A method of repairing a rod guide assembly of a fuel control unit of an aircraft engine, the method comprising:
- disconnecting a used spring seat from the rod of the rod guide assembly;
- and
- welding a replacement spring seat to the rod using an electron beam controlled using a circular beam deflection pattern,
- wherein the replacement spring seat defines a receptacle and the method comprises receiving the rod in the receptacle prior to welding the replacement spring seat to the rod.
1 more element
Dependencies are inferred from the claim text.