Global Patent Index - EP 3670882 B1

EP 3670882 B1 20221116 - DIESEL INTERNAL COMBUSTION ENGINE

Title (en)

DIESEL INTERNAL COMBUSTION ENGINE

Title (de)

DIESELBRENNKRAFTMASCHINE

Title (fr)

MOTEUR DIESEL À COMBUSTION INTERNE

Publication

EP 3670882 B1 20221116 (EN)

Application

EP 19217077 A 20191217

Priority

IT 201800020110 A 20181218

Abstract (en)

[origin: EP3670882A1] A Diesel combustion engine includes at least one cylinder (C) with a respective piston (P) and a respective fire ring (FR) inserted in a stepped housing (FRH) defined in a cylinder liner (CL) so as to surround a respective combustion chamber (CC); an outer surface (OS) of the fire ring (FR), intended to contact the stepped housing (FRH), is shaped so as to include at least one protruding portion shaped as a tip or a ridge and to reduce a thermal exchange between the fire ring and the cylinder liner; an upper edge of the fire ring consists of a cutting edge, in contact with a cylinder head (H) and defining a sealing effect between the fire ring (FR) and the cylinder head (H).

IPC 8 full level

F02F 1/00 (2006.01)

CPC (source: EP)

F02F 1/004 (2013.01); F02F 2001/006 (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

DOCDB simple family (publication)

EP 3670882 A1 20200624; EP 3670882 B1 20221116; IT 201800020110 A1 20200618

DOCDB simple family (application)

EP 19217077 A 20191217; IT 201800020110 A 20181218