Head for articulated piston
AssigneeMetal Leve S/A Industria E Comercio
InventorsJose A. C. Mendes, Jose M. M. Leites, Andre Lippai
Life of this patent
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Abstract
A cooled piston head and method of manufacture, the piston head having a closed cooling chamber. In one embodiment, the piston head is formed of a top member, an intermediate member and a pin boss member joined to each other preferably by welding; the top and intermediate members are provided with circumferential grooves which defines the closed cooling chamber. In an alternate embodiment, the head is formed of a top member and a pin boss member joined together preferably by welding; the closed cooling chamber is defined by circumferential grooves provided on both members.
Claims11
A cooled head for a two piece piston comprising:
- a first blank having an annular groove and a central recess on one face thereof defining a rib between said groove and said central recess and an outer circumferential wall surrounding said groove;
- and
- a second blank having an annular groove on one face and a central aperture therethrough defining a rib between said groove and said central aperture and an outer circumferential wall surrounding said groove;
- said first and second blanks joined together with the ribs and said outer walls juxtaposed and grooves facing each other to define a closed cooling chamber.
Dependencies are inferred from the claim text.