Method of electropolishing

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United States of America Patent

PATENT NO 11982012
APP PUB NO 20220411954A1
SERIAL NO

17842447

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Abstract

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A method of electropolishing an internal passageway of a component, wherein the passageway has an inlet and an outlet; including: providing an electrode assembly including a flexible electrode, a shuttle and a guide cable extending between the flexible electrode and the shuttle; inserting the shuttle into the inlet; causing fluid to flow through the passageway to transport the shuttle through the passageway from the inlet towards the outlet; pulling the guide cable through the passageway to position the electrode in the passageway adjacent to a region of the passageway to be polished; and electropolishing the passageway using the electrode while moving the electrode within the passageway. Also, an electrode assembly for electropolishing an internal passageway of a component, including: a flexible electrode, a shuttle, and a guide cable extending between the flexible electrode and the shuttle.

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Patent Owner(s)

Patent OwnerAddress
ROLLS-ROYCE PLCLONDON SW1E 6AT

International Classification(s)

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  • 2022 Application Filing Year
  • B22F Class
  • 1034 Applications Filed
  • 350 Patents Issued To-Date
  • 33.85 % Issued To-Date
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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clark, Daniel Derby, GB 109 699

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4771101 - 100255075100125150175200225250275300325350375400425450475500525

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