Patents-Review.com
ClassID:

136424 ⎘

F01B7/14 - CPC Classification

Classification description:

Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with oppositely reciprocating pistons acting on different main shafts

Recent Application in this class:
#1
20240146152
2024-05-02

Linear electric generator

 #2
20230203984
2023-06-29

Hybrid drive system with an opposed-piston, internal combustion engine

 #3
20230025982
2023-01-26

Hydrogen-powered opposed-piston engine

 #4
20230003127
2023-01-05

RECPROCATING IC ENGINES WITHIN THERMALLY INSULATING ENCLOSURES

 #5
20220010725
2022-01-13

Combustion pressure detection for a hybrid opposed piston engine

 #6
20210381377
2021-12-09

Engine crank and connecting rod mechanism

 #7
20210199009
2021-07-01

Engine crank and connecting rod mechanism

 #8
20210061255
2021-03-04

Hybrid drive system with an opposed-piston, internal combustion engine

 #9
20200400021
2020-12-24

Piston combinations for opposed-piston engines

 #10
20200224595
2020-07-16

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

 #11
20200208522
2020-07-02

Engine crank and connecting rod mechanism

 #12
20200182133
2020-06-11

Air handling in a heavy-duty opposed-piston engine

 #13
20200132110
2020-04-30

Hybrid opposed-piston internal combustion engine

 #14
20200070077
2020-03-05

SUPERCHARGER PROTECTION IN AN OPPOSED-PISTON ENGINE WITH EGR

 #15
20200024945
2020-01-23

OPPOSED PISTON COMBUSTION ENGINE USING CRANK AND CAM

 #16
20200018166
2020-01-16

Cylinder bore surface structures for an opposed-piston engine

 #17
20200003058
2020-01-02

Opposed piston engine with offset inlet and exhaust crankshafts

 #18
20190390551
2019-12-26

Engine crank and connecting rod mechanism

 #19
20190360337
2019-11-28

Methods and related systems for generating pressurized air within an opposed piston engine

 #20
20190338679
2019-11-07

Opposed piston type engine

 #21
20190264639
2019-08-29

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

 #22
20190257217
2019-08-22

Opposed piston engine with variable compression ratio

 #23
20190203654
2019-07-04

EGR system and method for an opposed piston engine

 #24
20190195320
2019-06-27

Transmissions for opposed-piston engines with two crankshafts

 #25
20190170063
2019-06-06

Opposed-piston compact engine with crankshafts rotating on a different plant to those of the cylinder axes

 #26
20190120164
2019-04-25

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

 #27
20190107066
2019-04-11

Method for operating an engine

 #28
20190093597
2019-03-28

Multi-layered piston crown for opposed-piston engines

 #29
20190093552
2019-03-28

Bilateral engine control system

 #30
20190093479
2019-03-28

Valve train for opposed-piston four-stroke engine

 #31
20190093478
2019-03-28

Block structure and fastening features for opposed-piston four-stroke engines

 #32
20190085759
2019-03-21

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

 #33
20190085758
2019-03-21

Engine braking an opposed piston that includes a mechanically driven supercharger

 #34
20190078523
2019-03-14

Diesel engine particulate filter regeneration system and methods

 #35
20190078479
2019-03-14

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

 #36
20180306144
2018-10-25

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

 #37
20180216567
2018-08-02

Opposed piston engine cylinder with carbon scraper

 #38
20180216523
2018-08-02

Bilateral engine control system

 #39
20180202348
2018-07-19

Opposed piston engine

 #40
20180202346
2018-07-19

PISTON BEARING ASSEMBLY FOR AN OPPOSED-PISTON ENGINE

 #41
20180179644
2018-06-28

Pistons with thermal barrier coatings

 #42
20180128202
2018-05-10

Pistons with thermal barrier coatings

 #43
20180087445
2018-03-29

Hybrid opposed-piston engine system

 #44
20180058315
2018-03-01

Skewed combustion chamber for opposed-piston engines

 #45
20170370282
2017-12-28

Linear piston engine for operating external linear load

 #46
20170321591
2017-11-09

Open exhaust chamber constructions for opposed-piston engines

 #47
20170314646
2017-11-02

Transmissions for opposed-piston engines with two crankshafts

 #48
20170241332
2017-08-24

Opposed piston engine with variable compression ratio

 #49
20170218799
2017-08-03

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

 #50
20170204801
2017-07-20

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

 #51
20170122199
2017-05-04

Two-stroke opposed piston internal combustion engine

 #52
20170122185
2017-05-04

Compact ported cylinder construction for an opposed-piston engine

 #53
20170030262
2017-02-02

Skewed combustion chamber for opposed-piston engines

 #54
20160369686
2016-12-22

Low reactivity, compression-ignition, opposed-piston engine

 #55
20160356241
2016-12-08

Cylinder for opposed-piston engines

 #56
20160341104
2016-11-24

Low reactivity, compression-ignition, opposed-piston engine

 #57
20160290224
2016-10-06

Asymmetrically-shaped combustion chamber for opposed-piston engines

 #58
20160281599
2016-09-29

Dual piston engine compression device

 #59
20160252044
2016-09-01

Engine block construction for opposed piston engine

 #60
20160252004
2016-09-01

Hybrid opposed-piston engine system

 #61
20160195028
2016-07-07

Dual-fuel constructions for opposed-piston engines with shaped combustion chambers

 #62
20160090900
2016-03-31

Multi-cylinder opposed stepped piston engine

 #63
20160076468
2016-03-17

Air handling control for opposed-piston engines with uniflow scavenging

 #64
20160053674
2016-02-25

Air handling control for opposed-piston engines with uniflow scavenging

 #65
20160032861
2016-02-04

Opposed-piston engine structure with a split cylinder block

 #66
20160032824
2016-02-04

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

 #67
20150337728
2015-11-26

Open intake and exhaust chamber constructions for an air handling system of an opposed-piston engine

 #68
20150337727
2015-11-26

Air handling constructions for opposed-piston engines

 #69
20150285127
2015-10-08

Fuel injection with swirl spray patterns in opposed-piston engines

 #70
20150167548
2015-06-18

Internal combustion engines

 #71
20150083060
2015-03-26

COMBUSTION AND VAPOR CYCLE LOBED ROTOR ENGINE

 #72
20150033736
2015-02-05

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

 #73
20140373816
2014-12-25

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

 #74
20140373815
2014-12-25

Trapped burned gas fraction control for opposed-piston engines with uniflow scavenging

 #75
20140332306
2014-11-13

Placement of an opposed-piston engine in a heavy-duty truck

 #76
20140299109
2014-10-09

Dual crankshaft, opposed-piston engines with variable crank phasing

 #77
20140000567
2014-01-02

Variable compression ratio diesel engine

 #78
20130319385
2013-12-05

Intake and exhaust chambers

 #79
20130319368
2013-12-05

Combustion chamber intake and exhaust shutter

 #80
20130319351
2013-12-05

Piston cooling system

 #81
20130276762
2013-10-24

Symmetric opposed-piston, opposed-cylinder engine

 #82
20130220279
2013-08-29

Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use

 #83
20130206113
2013-08-15

Method and means for controlling combustion

 #84
20130112175
2013-05-09

Constructions for piston thermal management

 #85
20120298077
2012-11-29

OPPOSED PISTON ENGINE WITH GAS EXCHANGE CONTROL BY MEANS OF HYDROSTATICALLY MOVED SLIDING SLEEVES

 #86
20120285418
2012-11-15

FUEL INJECTION METHOD FOR DIESEL ENGINES WITH INJECTION NOZZLES ARRANGED IN A TANGENTIAL MANNER ON THE PERIPHERY OF THE CYLINDER

 #87
20120266851
2012-10-25

Intake system for a two-stroke internal combustion engine

 #88
20120125298
2012-05-24

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

 #89
20120103300
2012-05-03

Internal combustion engine

 #90
20120085302
2012-04-12

Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use

 #91
20120080007
2012-04-05

Fuel injector support constructions for direct injection opposed-piston engines

 #92
20120055451
2012-03-08

Inwardly opposed pistons, fixed position common cylinder engine with external induction

 #93
20110100334
2011-05-05

Fuel injection system

 #94
20100282219
2010-11-11

Monoblock valveless opposing piston internal combustion engine

 #95
20100229836
2010-09-16

Guided bridge for a piston in an internal combustion engine

 #96
20100212638
2010-08-26

Opposed piston engines with controlled provision of lubricant for lubrication and cooling

 #97
20100212637
2010-08-26

Cylinder and piston assemblies for opposed piston engines

 #98
20100212613
2010-08-26

Multi-cylinder opposed piston engines

 #99
20100071671
2010-03-25

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

 #100
20100071670
2010-03-25

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

 #101
20090173299
2009-07-09

Valve system for opposed piston engines

 #102
20090020958
2009-01-22

METHODS AND APPARATUS FOR OPERATING AN INTERNAL COMBUSTION ENGINE

 #103
20080034755
2008-02-14

STEAM ENHANCED DOUBLE PISTON CYCLE ENGINE

 #104
20070234977
2007-10-11

Evaporative in-cylinder cooling

 #105
20070169727
2007-07-26

Internal combustion engine

 #106
20070095309
2007-05-03

Internal combustion engine

 #107
20070039323
2007-02-22

Steam enhanced double piston cycle engine

 #108
20060219213
2006-10-05

Opposed piston, homogeneous charge pilot ignition engine

 #109
16520146
2020-11-17

Main bearings of opposed-piston engines with two crankshafts

 #110
16010440
2019-08-06

Engine crank and connecting rod mechanism

 #111
14756548
2015-12-22

Compressed air propulsion system

 #112
14608186
2017-05-30

Crank mechanisms for asymmetrical non-sinusoidal piston motion profiles in opposed piston internal combustion engines