ClassID:

138653

F02B25/08 - CPC Classification

Classification description:

Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging Engines with oppositely-moving reciprocating working pistons

Sub-classes:
Recent Application in this class:
#1
20240287930
2024-08-29

HIGH-EFFICIENCY LINEAR GENERATOR

#2
20240151177
2024-05-09

OPPOSED-PISTON ENGINE

#3
20240060455
2024-02-22

Exhaust catalyst light-off in an opposed-piston engine

#4
20230392544
2023-12-07

Opposed-piston engine

#5
20230101969
2023-03-30

High-efficiency linear generator

#6
20230044154
2023-02-09

T-SCAVENGED OPPOSED PISTON ENGINE

#7
20220260028
2022-08-18

Thermal management of aftertreatment devices of opposed-piston engines under motoring conditions

#8
20220128012
2022-04-28

Exhaust catalyst light-off in an opposed-piston engine

#9
20220010725
2022-01-13

Combustion pressure detection for a hybrid opposed piston engine

#10
20210239039
2021-08-05

Optimal efficiency internal combustion engine

#11
20210156298
2021-05-27

Control of an opposed-piston engine with a mass airflow sensor located after a charge air cooler

#12
20210140389
2021-05-13

Intake chamber air diffusing feature in an opposed-piston engine

#13
20210115846
2021-04-22

Hybrid engine

#14
20210079838
2021-03-18

High-efficiency linear generator

#15
20200347791
2020-11-05

Exhaust catalyst light-off in an opposed-piston engine

#16
20200224595
2020-07-16

FUEL LIMITER FOR A UNIFLOW-SCAVENGED, TWO-STROKE CYCLE, OPPOSED-PISTON ENGINE

#17
20200182133
2020-06-11

Air handling in a heavy-duty opposed-piston engine

#18
20200173387
2020-06-04

THERMAL MANAGEMENT OF AFTERTREATMENT DEVICES OF OPPOSED-PISTON ENGINES UNDER MOTORING CONDITIONS

#19
20200173334
2020-06-04

Exhaust manifold constructions including thermal barrier coatings for opposed-piston engines

#20
20190264639
2019-08-29

Air handling system constructions with externally-assisted boosting for turbocharged opposed-piston engines

#21
20190178157
2019-06-13

High-efficiency linear combustion engine

#22
20190120164
2019-04-25

CONTROL OF AIRFLOW IN A UNIFLOW-SCAVENGED, TWO-STROKE CYCLE, OPPOSED-PISTON ENGINE DURING TRANSIENT OPERATION

#23
20190100295
2019-04-04

INTERNAL COMBUSTION ENGINE

#24
20190093552
2019-03-28

Bilateral engine control system

#25
20190085759
2019-03-21

Engine braking for an opposed piston that includes a mechanically driven supercharger

#26
20190085758
2019-03-21

Engine braking an opposed piston that includes a mechanically driven supercharger

#27
20190078479
2019-03-14

EXHAUST MANAGEMENT STRATEGIES FOR OPPOSED-PISTON, TWO-STROKE ENGINES

#28
20190003373
2019-01-03

AIR HANDLING IN A HEAVY-DUTY OPPOSED-PISTON ENGINE

#29
20180328263
2018-11-15

Uniflow engine with intake and/or exhaust valves

#30
20180306144
2018-10-25

AIR HANDLING SYSTEM CONSTRUCTIONS WITH EXTERNALLY-ASSISTED BOOSTING FOR TURBOCHARGED OPPOSED-PISTON ENGINES

#31
20180298814
2018-10-18

High-efficiency linear combustion engine

#32
20180274472
2018-09-27

On-board diagnostics for an opposed-piston engine equipped with a supercharger

#33
20180245520
2018-08-30

FUEL LIMITER FOR A UNIFLOW-SCAVENGED, TWO-STROKE CYCLE, OPPOSED-PISTON ENGINE

#34
20180223750
2018-08-09

Mass airflow sensor monitoring using supercharger airflow characteristics in an opposed-piston engine

#35
20180216523
2018-08-02

Bilateral engine control system

#36
20180202348
2018-07-19

Opposed piston engine

#37
20180058315
2018-03-01

Skewed combustion chamber for opposed-piston engines

#38
20170370282
2017-12-28

Linear piston engine for operating external linear load

#39
20170335752
2017-11-23

Uniflow engine with fluid flow arrangement

#40
20170321591
2017-11-09

Open exhaust chamber constructions for opposed-piston engines

#41
20170241331
2017-08-24

High-efficiency linear combustion engine

#42
20170218799
2017-08-03

Two stroke, opposed piston engine with compression release brake arrangement and method

#43
20170217553
2017-08-03

Internal combustion engine

#44
20170204801
2017-07-20

Control of airflow in a uniflow-scavenged, two-stroke cycle, opposed-piston engine during transient operation

#45
20170204790
2017-07-20

Fuel limiter for a uniflow-scavenged, two-stroke cycle, opposed-piston engine

#46
20170122199
2017-05-04

Two-stroke opposed piston internal combustion engine

#47
20170122185
2017-05-04

Compact ported cylinder construction for an opposed-piston engine

#48
20170096933
2017-04-06

Hybrid cycle combustion engine and methods

#49
20170067391
2017-03-09

Combustion chamber for an internal combustion engine and an internal combustion engine

#50
20160369740
2016-12-22

Piston cooling configurations utilizing lubricating oil from a bearing reservoir in an opposed-piston engine

#51
20160369686
2016-12-22

Low reactivity, compression-ignition, opposed-piston engine

#52
20160356241
2016-12-08

Cylinder for opposed-piston engines

#53
20160341104
2016-11-24

Low reactivity, compression-ignition, opposed-piston engine

#54
20160326993
2016-11-10

EGR constructions for opposed-piston engines

#55
20160252067
2016-09-01

Opposed piston three nozzle piston bowl design

#56
20160252065
2016-09-01

Opposed piston three nozzle combustion chamber design

#57
20160252014
2016-09-01

Opposed-piston engine having a single crankshaft coupled to the opposed pistons by linkages with pivoted rocker arms

#58
20160252012
2016-09-01

Internal combustion engines

#59
20160237890
2016-08-18

Internal combustion engine

#60
20160160781
2016-06-09

On-board diagnostics for an opposed-piston engine equipped with a supercharger

#61
20160138499
2016-05-19

EGR for a two-stroke cycle engine without a supercharger

#62
20160090908
2016-03-31

High-efficiency linear combustion engine

#63
20160090900
2016-03-31

Multi-cylinder opposed stepped piston engine

#64
20160076468
2016-03-17

Air handling control for opposed-piston engines with uniflow scavenging

#65
20160053674
2016-02-25

Air handling control for opposed-piston engines with uniflow scavenging

#66
20160047296
2016-02-18

Mechanism For Varying Crankshaft Timing On A Belt/Chain Driven, Dual Crankshaft Opposed-Piston Engine

#67
20160032824
2016-02-04

Exhaust layout with accompanying firing sequence for two-stroke cycle, inline, opposed-piston engines

#68
20150300242
2015-10-22

Internal combustion engine with asymmetric port timing

#69
20150300241
2015-10-22

Opposed Piston Engine

#70
20150285127
2015-10-08

Fuel injection with swirl spray patterns in opposed-piston engines

#71
20150252715
2015-09-10

Piston cooling configurations utilizing lubricating oil from a bearing reservoir in an opposed-piston engine

#72
20150219030
2015-08-06

Air handling system for an opposed-piston engine in which a supercharger provides boost during engine startup and drives EGR during normal engine operation

#73
20150167548
2015-06-18

Internal combustion engines

#74
20150083060
2015-03-26

COMBUSTION AND VAPOR CYCLE LOBED ROTOR ENGINE

#75
20150068492
2015-03-12

Two stroke, opposed-piston engine with engine braking

#76
20150040876
2015-02-12

Early exhaust valve opening for improved catalyst light off

#77
20150033736
2015-02-05

Exhaust management strategies for opposed-piston, two-stroke engines

#78
20150007793
2015-01-08

Hybrid cycle combustion engine and methods

#79
20140373816
2014-12-25

System and method for air handling control in opposed-piston engines with uniflow scavenging

#80
20140373814
2014-12-25

Air handling control for opposed-piston engines with uniflow scavenging

#81
20140311431
2014-10-23

Internal combustion engine

#82
20140216425
2014-08-07

Reduction of ring clipping in two-stroke cycle engines

#83
20140083396
2014-03-27

Combustion chamber constructions for opposed-piston engines

#84
20140026563
2014-01-30

EGR constructions for opposed-piston engines

#85
20130220264
2013-08-29

Engine and cylinder with gas exchange through the cylinder wall

#86
20130133627
2013-05-30

Reciprocating piston engine

#87
20130112175
2013-05-09

Constructions for piston thermal management

#88
20130037010
2013-02-14

Uniflow portless two-stroke engine

#89
20130036903
2013-02-14

Vortex turbulence inducing piston

#90
20120235517
2012-09-20

High-efficiency linear combustion engine

#91
20120210985
2012-08-23

Two stroke, opposed-piston engines with engine braking

#92
20120192831
2012-08-02

Combustion Chamber for a Side-Mounted Direction Injector

#93
20120192559
2012-08-02

Exhaust system for an internal combustion engine

#94
20120158273
2012-06-21

Multi-mode high efficiency internal combustion engine

#95
20120132173
2012-05-31

FUEL CONDITIONING METHOD AND COUPLED COMBUSTION PROCESS FOR INTERNAL COMBUSTION ENGINES

#96
20120125298
2012-05-24

Two stroke opposed-piston engines with compression release for engine braking

#97
20120125291
2012-05-24

High-efficiency linear combustion engine

#98
20120090298
2012-04-19

ENGINE COMBUSTION CONDITION AND EMISSION CONTROLS

#99
20120085314
2012-04-12

USE OF PRESSURIZED FUELS IN AN INTERNAL COMBUSTION ENGINE

#100
20120080007
2012-04-05

Fuel injector support constructions for direct injection opposed-piston engines

#101
20120073526
2012-03-29

Piston constructions for opposed-piston engines

#102
20120037130
2012-02-16

Opposed-piston engine having a single crankshaft coupled to the opposed pistons by linkages with pivoted rocker arms

#103
20120037129
2012-02-16

OPPOSED PISTON ENGINE

#104
20110316359
2011-12-29

BISTABLE LINEAR MOTOR

#105
20110289916
2011-12-01

EGR constructions for opposed-piston engines

#106
20110239982
2011-10-06

Engine having fuel injection induced combustion chamber mixing

#107
20110239642
2011-10-06

Two-stroke HCCI compound free-piston/gas-turbine engine

#108
20110220058
2011-09-15

Over-compressed engine

#109
20110114070
2011-05-19

Apparatus and method for controlling swirl in a ported, two-stroke, internal combustion engine

#110
20110083644
2011-04-14

Engine having opposed pistons and opposed cylinders and side dual power output shafts

#111
20110048294
2011-03-03

Particulate Deflagration Enhanced Firebox

#112
20110041799
2011-02-24

High swirl engine

#113
20100192923
2010-08-05

Internal combustion engines

#114
20100147269
2010-06-17

Internal Combustion Engine With Optimal Bore-To-Stroke Ratio

#115
20100071670
2010-03-25

Opposed piston, compression ignition engine with single-side mounted crankshafts and crossheads

#116
20090266339
2009-10-29

Internal combustion engine

#117
20090266329
2009-10-29

Internal combustion engine

#118
20090139476
2009-06-04

Internal combustion engine

#119
20080202486
2008-08-28

Hybrid cycle combustion engine and methods

#120
20080141956
2008-06-19

Double piston cycle engine

#121
20080047530
2008-02-28

Internal combustion engine

#122
20070272177
2007-11-29

Two-stroke internal combustion engine supplied with gasoline, diesel fuel or other conventional fuel

#123
20070261677
2007-11-15

Paired-piston linear engine

#124
20070107679
2007-05-17

Reciprocating cylinder engine

#125
20060243228
2006-11-02

Double piston cycle engine

#126
20060219213
2006-10-05

Opposed piston, homogeneous charge pilot ignition engine

#127
20060196456
2006-09-07

Energy efficient clean burning two-stroke internal combustion engine

#128
20060124084
2006-06-15

Internal combustion engine

#129
20050166871
2005-08-04

Internal combustion engine with heat exchanger

#130
20050126155
2005-06-16

Hydrogen motor

#131
15828594
2018-07-03

Internal combustion engine with coaxially aligned pistons

#132
13452834
2015-05-19

Barrel cam rotating cylinder engine