Piston for internal combustion engine
AssigneesKabushiki Kaisha Toyota Jidoshokki, Toyota Jidosha Kabushiki Kaisha
InventorsYoshihisa HIROSAWA, Hitoshi SHIMAMURA
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Abstract
A piston for an internal combustion engine includes a piston body. The piston body includes a head, two side walls, two skirts, and a reinforcement member. The head includes a recessed crown. Each side wall includes a pin boss configured to support a piston pin. The two skirts are respectively located at a thrust side with respect to an axis of the piston pin and an anti-thrust side with respect to the axis of the piston pin. The reinforcement member includes two legs and a connecting portion connecting upper ends of the two legs. The two legs are respectively insert-casted in the two skirts. The connecting portion is insert-casted in the head.
Claims5
A piston for an internal combustion engine, the piston comprising a piston body including:
- a head including a recessed crown;
- two side walls, each including a pin boss configured to support a piston pin;
- two skirts, respectively located at a thrust side with respect to an axis of the piston pin and an anti-thrust side with respect to the axis of the piston pin;
- and
- a reinforcement member including two legs and a connecting portion connecting upper ends of the two legs;
- wherein the two legs are respectively insert-casted in the two skirts, and the connecting portion is insert-casted in the head.
Dependencies are inferred from the claim text.