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US 9,976,513 B2Granted
Piston with enhanced cooling and engine assembly employing the same
AssigneeFord Global Technologies, LLC
InventorFrank Acierno Valencia
Life of this patent
Estimating the term…
Abstract
A piston of an internal combustion engine is provided and includes a piston skirt enclosing at least a portion of an underside of a piston crown. A cooling oil passageway is provided on the underside of the piston and extends from a first part to a second part of the underside, where the first part is closer than the second part to a fluid flow from a cooling oil source. The cooling oil passageway may include a main channel and a branch channel extending from the main channel at an angle.
Claims15
An engine comprising:
- a piston comprising an underside opposed to and directly underneath a piston crown and encircled by a skirt, the underside defining an open channel extending longitudinally between first and second parts of the underside;
- and
- a cooling oil source providing a jet of cooling oil to the first part;
- wherein the channel is shaped to direct oil of the jet from the first part to the second part.
1 more element
A piston for an engine, comprising:
- a body comprising a piston crown and an underside opposed thereto, a skirt provided about a perimeter of the underside;
- and
- a cooling oil guide defined by an open channel extending longitudinally between first and second parts of the underside and through a central region of the underside positioned between a pair of pin bores to direct cooling oil flow from the first part to the second part.
Dependencies are inferred from the claim text.