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US 11,951,561 B2Granted
Method for producing a welded cavity valve
AssigneeFederal-Mogul Valvetrain GmbH
InventorsThorsten Matthias, Antonius Wolking
Life of this patent
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Abstract
A method for producing a cavity valve is provided. The method includes providing a valve body which has a cavity in the interior. The valve body has a circular opening having an opening edge surface on a bottom side. A circular valve cover with a cover edge surface is provided. Inductive heating of at least one of the opening edge surface or the cover edge surface takes place and then welding the valve body to the valve cover by friction welding of the opening edge surface to the cover edge surface.
Claims13
A method for producing a cavity valve, comprising:
- providing a valve body which has a cavity, wherein the valve body has a circular opening having an opening edge surface on a bottom side;
- providing a circular valve cover with a cover edge surface;
- welding the valve body by friction welding of the opening edge surface to the cover edge surface;
- wherein
- inductive heating of the opening edge surface and the cover edge surface before welding the valve body to the valve cover.
2 more elements
Dependencies are inferred from the claim text.