Global Patent Index - EP 4224004 A1

EP 4224004 A1 20230809 - INTERNAL COMBUSTION ENGINE AND TRANSPORT EQUIPMENT

Title (en)

INTERNAL COMBUSTION ENGINE AND TRANSPORT EQUIPMENT

Title (de)

VERBRENNUNGSMOTOR UND TRANSPORTVORRICHTUNG

Title (fr)

MOTEUR À COMBUSTION INTERNE ET ÉQUIPEMENT DE TRANSPORT

Publication

EP 4224004 A1 20230809 (EN)

Application

EP 21957735 A 20211214

Priority

JP 2021045974 W 20211214

Abstract (en)

An internal combustion engine (100) includes a piston (40) formed of an aluminum alloy, the piston including a piston head (43) and a piston skirt (44) extending from an outer circumferential portion of the piston head; and a cylinder block (10) including a cylinder wall (12) including a sliding surface (12a), along which the piston is slidable. The cylinder block is formed of an aluminum alloy containing silicon, and includes a plurality of primary-crystal silicon grains (2) at the sliding surface. The piston skirt includes a resin layer (rl) formed on at least a part of an outer circumferential surface thereof.

IPC 8 full level

F02F 1/00 (2006.01)

CPC (source: EP)

F02F 3/105 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4224004 A1 20230809; EP 4224004 A4 20231122; WO 2023112123 A1 20230622

DOCDB simple family (application)

EP 21957735 A 20211214; JP 2021045974 W 20211214