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US 12,366,182 B2Granted
Value for an internal combustion engine and production method
AssigneeMahle International GmbH
InventorsPeter Kroos, Alexander Mueller, Alexander Puck, Tobias Wege
Life of this patent
Estimating the term…
Abstract
A valve for an internal combustion engine and a method for producing such a valve is disclosed. The valve includes a valve bottom and a valve stem projecting from the valve bottom. An interior of the valve delimits a hollow space, in which sodium for cooling is received. In the hollow space, a non-evaporable getter is arranged.
Claims15
A valve for an internal combustion engine, comprising:
- a valve bottom and a valve stem projecting from the valve bottom,
- an interior that delimits a hollow space, in which sodium for cooling is received,
- wherein in the hollow space a non-evaporable getter is arranged,
- wherein the getter is a single contiguous body arranged on a side of the hollow space facing towards the valve bottom, and
- wherein the getter has a zirconium base and further includes vanadium and/or titanium.
2 more elements
A method for producing a valve, comprising:
- introducing sodium and a non-evaporable getter in the form of a single contiguous body into a hollow space of the valve, wherein the getter is introduced initially and then the sodium such that the getter is arranged in the hollow space on a side facing a valve bottom,
- closing the hollow space,
- activating the getter, and
- wherein the getter has a zirconium base and further includes vanadium and/or titanium.
1 more element
An internal combustion engine, comprising:
- a valve, the valve including:
- a valve bottom and a valve stem projecting from the valve bottom;
- the valve having an interior that delimits a hollow space;
- and
- wherein a non-evaporable getter is arranged in the hollow space;
- wherein the getter is a single contiguous body arranged in the hollow space on a side facing the valve bottom;
- and
- wherein the getter has a zirconium base and further includes vanadium and/or titanium.
5 more elements
Dependencies are inferred from the claim text.