Apparatus for piston cooling and a method for producing a nozzle for such an apparatus
AssigneeScania CV AB (publ)
InventorJens Svensson
Life of this patent
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Abstract
An arrangement for cooling a piston in a combustion engine of piston and cylinder type with a nozzle installed in a crankcase in order to spray cooling oil towards the underside of the piston including devices for supplying oil to the nozzle. The outlet end of the nozzle exhibits an elongate curved and preferably substantially U-shaped or C-shaped outlet aperture cross-section.
Claims10
An arrangement for cooling a piston in a combustion engine, wherein the engine includes a cylinder, a piston disposed in the cylinder and the piston being operable to reciprocate in the cylinder, the piston having a top side and an opposite underside in the cylinder;
- a conduit for supplying oil, the conduit having an oil outlet nozzle disposed in the cylinder and directed toward the underside of the piston, the nozzle having an outlet aperture which opens in the direction toward the underside of the piston, and the outlet aperture has the shape of an outlet slit which is curved in a cross section across the nozzle.
Dependencies are inferred from the claim text.