PISTON

• Main Authors: SUGIMOTO KAZUTOMO, OKIZAKI NAOYA, NONOMURA KAZUYA, TAKAHASHI TOMOKAZU, SHISHIDO KEITARO
• Format: Patent
• Language: English; Japanese
• Published: 22.11.2018
• Subjects: ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES; BLASTING; CLADDING OR PLATING BY SOLDERING OR WELDING; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; CYLINDERS; CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MACHINE TOOLS; MECHANICAL ENGINEERING; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; PISTONS; SEALINGS; SOLDERING OR UNSOLDERING; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS; WELDING; WORKING BY LASER BEAM

PROBLEM TO BE SOLVED: To provide a piston that is suitable for staple production and includes a heat insulation layer that is excellent in adiabaticity, thermal responsiveness and adhesion.SOLUTION: A piston includes a heat insulation layer, where a joint layer is formed by dispersing an insert material having a melting point that is lower than that of a base metal of the piston in the base metal and a diffusion layer is formed by dispersing the insert material in the heat insulation layer.SELECTED DRAWING: Figure 3 【課題】本発明では、安定的な生産に適し、断熱性、熱応答性及び密着性が良好な断熱層を備えたピストンを提供することを目的とする。【解決手段】上記課題を解決するために本発明に係るピストンは、断熱層を備えたピストンであって、前記ピストンの母材よりも低融点のインサート材が前記母材に拡散して接合層が形成されており、かつ前記インサート材が前記断熱層に拡散して拡散層が形成されていることを特徴とする。【選択図】 図３