Patents-Review.com
ClassID:

137238 ⎘

F01L1/38 - CPC Classification

Classification description:

Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle for engines with other than four-stroke cycle, e.g. with two-stroke cycle

Recent Application in this class:
#1
20250020072
2025-01-16

Multi-cylinder internal combustion engine, with cylinders equipped with intake valve variable actuation systems having hydraulic circuits which cross each other

 #2
20210396163
2021-12-23

Scavenger Valve Method and Device

 #3
20210246814
2021-08-12

Electrically activated valve actuator for an internal combustion engine

 #4
20190284970
2019-09-19

Scavenger Valve Method and Device

 #5
20190153936
2019-05-23

Free-piston engine

 #6
20190120053
2019-04-25

Apparatus and methods for controlling reciprocating internal combustion engines

 #7
20190120052
2019-04-25

Apparatus and methods for controlling reciprocating internal combustion engines

 #8
20190085759
2019-03-21

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

 #9
20190085758
2019-03-21

Engine braking an opposed piston that includes a mechanically driven supercharger

 #10
20190003350
2019-01-03

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

 #11
20180283312
2018-10-04

Internal combustion engine

 #12
20180274404
2018-09-27

Valve drive for an internal combustion engine

 #13
20180149047
2018-05-31

Method and device for operating a drive unit, drive unit, motor vehicle

 #14
20180142585
2018-05-24

Engine brake device for an internal combustion engine

 #15
20170218798
2017-08-03

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

 #16
20170183990
2017-06-29

System for variable actuation of a valve of an internal-combustion engine

 #17
20170107894
2017-04-20

Engine block and a process for hybrid ignition of an engine

 #18
20170074162
2017-03-16

Combined-cycle combustion control type three-cylinder engine and method for controlling the same

 #19
20160298508
2016-10-13

Engine compression brake device for an internal combustion engine

 #20
20160252012
2016-09-01

Internal combustion engines

 #21
20160169125
2016-06-16

Six-stroke engine and method of operating six-stroke engine

 #22
20160138441
2016-05-19

Internal combustion engine

 #23
20150184556
2015-07-02

Variable valve actuating mechanism for OHV engine

 #24
20150034060
2015-02-05

Exhaust valve assembly for a two-stroke engine

 #25
20140083389
2014-03-27

Cylinder head with annular valve for internal-combustion engine

 #26
20140069372
2014-03-13

Internal combustion engine which may be selectively operated by the two-stroke method or the four-stroke method and method for operating such an internal combustion engine

 #27
20120318250
2012-12-20

Two-stroke engine

 #28
20120266851
2012-10-25

Intake system for a two-stroke internal combustion engine

 #29
20120234297
2012-09-20

Torque multiplier engines

 #30
20120222658
2012-09-06

Internal combustion engine with dual-chamber cylinder

 #31
20120210985
2012-08-23

Two stroke, opposed-piston engines with engine braking

 #32
20120107165
2012-05-03

ENGINE COOLING SYSTEM

 #33
20120097142
2012-04-26

Pre-combustion cycle pressurisation system

 #34
20120017860
2012-01-26

Pressure balanced engine valves

 #35
20110197866
2011-08-18

METHOD OF OPERATION OF TWO-STROKE FORCED CYLINDER FILLING ENGINE

 #36
20110036313
2011-02-17

Two-stroke engine

 #37
20100300417
2010-12-02

INTERNAL COMBUSTION ENGINE HAVING A TRANSITIONALLY SEGREGATED COMBUSTION CHAMBER

 #38
20100278628
2010-11-04

Turbine with variable number of nozzles

 #39
20100275860
2010-11-04

Control architecture and optimal strategy for switching between 2-stroke and 4-stroke modes of HCCI operation

 #40
20100211299
2010-08-19

Electromechanical valve timing during a start

 #41
20100083921
2010-04-08

Catalyst control for six-cycle engine

 #42
20100059015
2010-03-11

Multi-stroke internal combustion engine

 #43
20100050963
2010-03-04

6-cycle engine with regenerator

 #44
20100037876
2010-02-18

Two-stroke internal combustion engine with valves for improved fuel efficiency

 #45
20090183710
2009-07-23

HEAT ENGINE

 #46
20090151686
2009-06-18

SUPERCHARGED INTERNAL COMBUSTION ENGINE

 #47
20090088942
2009-04-02

Valve assembly for a two-stroke engine

 #48
20090044778
2009-02-19

Pressure balanced engine valves

 #49
20080283004
2008-11-20

Electromechanical valve timing during a start

 #50
20080163856
2008-07-10

High-output two-stroke engine in particular for application in model assembly

 #51
20080115769
2008-05-22

Reciprocating machines

 #52
20070208471
2007-09-06

Electrically actuated valve deactivation in response to vehicle electrical system conditions

 #53
20070186882
2007-08-16

Exhaust control valve for internal combustion engine

 #54
20070163531
2007-07-19

Method for stopping and starting an internal combustion engine having a variable event valvetrain

 #55
20070137615
2007-06-21

Engine braking method for a supercharged internal combustion engine

 #56
20070131196
2007-06-14

System and method for reducing vehicle acceleration during engine transitions

 #57
20060107914
2006-05-25

Electro-hydraulic lost-motion valve train

 #58
20060102130
2006-05-18

Rotary valve

 #59
20060048981
2006-03-09

High output and efficiency internal combustion engine

 #60
20060005802
2006-01-12

Electrically actuated valve deactivation in response to vehicle electrical system conditions

 #61
20050205069
2005-09-22

Electromechanical valve timing during a start

 #62
20050205044
2005-09-22

Electromechanically actuated valve control based on a vehicle electrical system

 #63
20050066930
2005-03-31

V-twin configuration having rotary mechanical field assembly

 #64
20050045122
2005-03-03

Two-cycle engine