Global Patent Index - EP 3128149 A1

EP 3128149 A1 20170208 - TWO STROKE ENGINE

Title (en)

TWO STROKE ENGINE

Title (de)

ZWEITAKTMOTOR

Title (fr)

MOTEUR À DEUX TEMPS

Publication

EP 3128149 A1 20170208 (EN)

Application

EP 15179826 A 20150805

Priority

EP 15179826 A 20150805

Abstract (en)

The invention relates to a two stroke internal combustion engine comprising: - a cylinder with an inlet port and outlet port arranged in the cylinder wall; - a piston movable within the cylinder between a top position and a bottom position, which piston has a top part with a first diameter corresponding to the inner diameter of the cylinder and which piston has a bottom part with a second diameter, which second diameter is smaller than the first diameter; - a top seal arranged between the top part of the piston and the cylinder wall; - a bottom seal arranged between the bottom part of the piston and the cylinder wall; and - a bypass channel connecting a bottom part of the cylinder space with a top part of the cylinder space, wherein the bypass channel substantially envelopes the cylinder, having inlet openings and outlet openings extending through the cylinder wall into the cylinder and wherein the inlet openings and outlet openings are distributed over the circumference of the cylinder wall and are arranged in an annular inlet configuration and an annular outlet configuration.

IPC 8 full level

F02B 25/04 (2006.01); F02B 33/04 (2006.01); F02B 33/12 (2006.01); F02F 1/22 (2006.01)

CPC (source: EP)

F02B 33/12 (2013.01); F02B 33/14 (2013.01); F02F 1/22 (2013.01); F02F 3/24 (2013.01); F02B 2075/025 (2013.01)

Citation (applicant)

WO 2007142512 A1 20071213 - SEVILLA BEHEER BV [NL], et al

Citation (search report)

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

DOCDB simple family (publication)

EP 3128149 A1 20170208

DOCDB simple family (application)

EP 15179826 A 20150805