EP 3128149 A1 20170208 - TWO STROKE ENGINE
Title (en)
TWO STROKE ENGINE
Title (de)
ZWEITAKTMOTOR
Title (fr)
MOTEUR À DEUX TEMPS
Publication
Application
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)
- [XYI] US 6145488 A 20001114 - PLECHNER RICHARD A [US]
- [YA] US 2003200941 A1 20031030 - SCHLOSSARCZYK JORG [DE], et al
- [YA] US 2003116107 A1 20030626 - LAIMBOCK FRANZ [AT]
- [A] JP S5879621 A 19830513 - YAMAHA MOTOR CO LTD
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)
DOCDB simple family (application)
EP 15179826 A 20150805