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US 2009/0025549 A1Published application
Piston
AssigneesToyota Jidosha Kabushiki Kaisha, Art Metal Mfg. Co., Ltd.
InventorsTakao SUZUKI, Shoji Kanai
Life of this patent
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Abstract
A piston is equipped with a skirt that has a sliding surface provided with an oil repellent resin layer. A solid lubricating resin layer and the oil repellent resin layer are exposed on the sliding surface. On the sliding surface, the oil repellent resin layer extends at an incline with respect to the centerline of the sliding surface in a circumferential direction of the piston.
Claims11
A piston for use in an internal combustion engine, comprising:
- a skirt having a sliding surface coated with an oil repellent resin layer, wherein
- the oil repellent resin layer extends at an incline with respect to a sliding surface centerline in a circumferential direction of the piston.
Dependencies are inferred from the claim text.