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ClassID:

138660 ⎘

F02B25/20 - CPC Classification

Classification description:

Engines characterised by using fresh charge for scavenging cylinders Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups  - 

Sub-classes:
Recent Application in this class:
#1
20220325659
2022-10-13

Air-leading type stratified scavenging two-stroke internal combustion engine, and engine working machine

 #2
20210293177
2021-09-23

Two stroke engine with valves actuated by air pressure near bottom dead center

 #3
20210285362
2021-09-16

Two-stroke engine

 #4
20190257240
2019-08-22

Two-stroke internal combustion engine

 #5
20190195124
2019-06-27

PISTON ARRANGEMENT AND INTERNAL COMBUSTION ENGINE

 #6
20190145308
2019-05-16

Two-stroke internal combustion engine

 #7
20190101050
2019-04-04

Exhaust-tuning port and timing and combustion chamber shape

 #8
20190003350
2019-01-03

Exhaust valve assembly for a two-stroke internal combustion engine and method for cleaning same

 #9
20170284341
2017-10-05

Dual fuel carburetor

 #10
20170260895
2017-09-14

Two-stroke internal combustion engine

 #11
20170218798
2017-08-03

Exhaust valve assembly for a two-stroke internal combustion engine and method for cleaning same

 #12
20160377035
2016-12-29

Air cleaner for stratified scavenging two-stroke internal combustion engine

 #13
20160333772
2016-11-17

Two-stroke combustion engine with improved flushing performance

 #14
20160230704
2016-08-11

Carburetor and method for operating an internal combustion engine having said carburetor

 #15
20160201554
2016-07-14

Piston arrangement and internal combustion engine

 #16
20160169087
2016-06-16

Air leading type two-stroke engine and intake system for same, and carburetor

 #17
20160153346
2016-06-02

Suction tube unit of stratified scavenging engine

 #18
20160069296
2016-03-10

Two-stroke engine

 #19
20150377117
2015-12-31

Stratified scavenging two-stroke engine

 #20
20150337764
2015-11-26

Carburetor for stratified scavenging two-stroke engine

 #21
20150260082
2015-09-17

Uniflow two-stroke engine

 #22
20150219007
2015-08-06

Piston and cylinder for two-stroke engine

 #23
20150034060
2015-02-05

Exhaust valve assembly for a two-stroke engine

 #24
20140360466
2014-12-11

Internal combustion engine having a starter device

 #25
20140060482
2014-03-06

Six Stroke 'Blackburn Cycle' Engine

 #26
20130291840
2013-11-07

Stratified scavenging two-stroke engine

 #27
20130255652
2013-10-03

Internal combustion engine, in particular two-stroke internal combustion engine

 #28
20130228159
2013-09-05

Two-stroke engine having an intake arrangement

 #29
20120304972
2012-12-06

Two-stroke engine with low consumption and low emissions

 #30
20120152216
2012-06-21

Two-stroke engine

 #31
20110036331
2011-02-17

Supercharger system for two-stroke engines

 #32
20090308369
2009-12-17

Laminated counterweight for timing control

 #33
20090255519
2009-10-15

Silencer for a motor device

 #34
20090228189
2009-09-10

Method for operating a two-stroke engine

 #35
20090139485
2009-06-04

Direct injection two-stroke engine

 #36
20090072417
2009-03-19

Internal shape of rotor for two-bore rotary carburetor used in stratified scavenging engine

 #37
20080308084
2008-12-18

Cylinder/crankcase group for two-stroke internal combustion engines provided with means for supercharging the engine

 #38
20080223349
2008-09-18

Stratified scavenging two-stoke cycle engine

 #39
20060272599
2006-12-07

Multi-location fuel injection system

 #40
20060219203
2006-10-05

Two-stroke engine

 #41
20060130783
2006-06-22

Rotary valve

 #42
20050155563
2005-07-21

Two-cycle combustion engine

 #43
20050098124
2005-05-12

Two-stroke engine

 #44
20050072388
2005-04-07

Two-stroke engine

 #45
20050051118
2005-03-10

Intake arrangement for an internal combustion engine