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US 2020/0347756 A1Published application
Internally cooled valve for an internal combustion engine
AssigneeFederal-Mogul Valvetrain GmbH
InventorsTHORSTEN MATTHIAS, ANTONIUS WOLKING, FERNANDO ARIAS, FLORIAN RINGELING
Life of this patent
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Abstract
An internally cooled valve (2) includes a valve body having a valve head (4) and a valve stem (6). The valve body has at least one cavity (8) in which coolant (10) is situated. The coolant is a nanofluid (12) in which nanoparticles (14) are dispersed in a dispersion medium (16).
Claims11
1-8. (canceled)
An internally cooled valve, comprising
- a valve body having
- a valve head and
- a valve stem,
- at least one cavity in the valve body in which a nanofluid coolant is disposed,
- wherein the nanofluid coolant includes at least two of the following types of nanoparticles:
- titanium particles, nanodiamonds, silicon carbide particles, beryllium particles, boron nitride particles, and/or graphene particles as dispersed particles, and
- wherein the nanofluid further includes a dispersing aid that prevents the nanoparticles from combining to form nanoparticle aggregates.
4 more elements
An internally cooled valve comprising:
- a valve head;
- a valve body;
- an internal cavity;
- a coolant that is liquid at an operating temperature of the valve contained within the cavity;
- at least two different types of nanoparticles contained within the coolant in combination with a dispersing agent.
2 more elements
Dependencies are inferred from the claim text.