F02F1/42 - CPC Classification Index

ClassID:

140048 ⎘

F02F1/42 - CPC Classification

Classification description:

Cylinders; Cylinder heads ; Cylinder heads Shape or arrangement of intake or exhaust channels in cylinder heads

Sub-classes:

F02F1/4214 » {specially adapted for four or more valves per cylinder} 88
F02F1/4228 » {Helically-shaped channels } 8
F02F1/4235 » {of intake channels} 89
F02F1/4264 » {of exhaust channels} 97
F02F1/4285 » {of both intake and exhaust channel} 88
F02F2001/4207 » {Arrangements with one conduit connected with two valves; Arrangements connecting one valve with two conduits} 4

Recent Application in this class:

20240159199

2024-05-16

Air intake port for a lean-burn gasoline engine

20220268235

2022-08-25

Cylinder head and engine

20220170412

2022-06-02

Gas intake device having two asymmetrical intake ducts

20210348546

2021-11-11

SPARK-IGNITION INTERNAL COMBUSTION ENGINE

20210301758

2021-09-30

Cylinder head and engine

20210189953

2021-06-24

INTERNAL COMBUSTION ENGINE

20210040880

2021-02-11

Engine system for emission reduction without aftertreatment

20200340423

2020-10-29

Cylinder head and engine

20200102916

2020-04-02

Engine device

#10

20200040839

2020-02-06

Systems and methods for coupling a cylinder head to a cylinder block

#11

20200018224

2020-01-16

Spark-ignition internal combustion engine

#12

20200018223

2020-01-16

Engine system for emission reduction without aftertreatment

#13

20190353092

2019-11-21

Intake device of internal combustion engine

#14

20190277222

2019-09-12

Internal combustion engine with cylinder head, and method for producing a cylinder head of an internal combustion engine of said type

#15

20190257264

2019-08-22

Fuel injection device

#16

20190249597

2019-08-15

Internal combustion engine

#17

20190162146

2019-05-30

Fuel injection system and method of operating a fuel injection system

#18

20190128211

2019-05-02

Intake passage structure for an engine

#19

20180216586

2018-08-02

Intake passage structure for multi-cylinder internal combustion engine

#20

20180215081

2018-08-02

Die assembly for intake port insert

#21

20180187625

2018-07-05

Internal combustion engine with cylinder head

#22

20180135555

2018-05-17

Internal combustion engine

#23

20180094601

2018-04-05

Saddle-ride type vehicle

#24

20180023506

2018-01-25

Cylinder head and engine

#25

20170370323

2017-12-28

Multi-step combustion chamber with multi-step cylinder head

#26

20170356316

2017-12-14

GAS-LIQUID SEPARATION DEVICE FOR BLOW-BY GAS IN ENGINE

#27

20170298861

2017-10-19

Cylinder head for vehicle engine

#28

20170298803

2017-10-19

Exhaust device for four-cylinder internal combustion engine

#29

20170268414

2017-09-21

Engine having integrated heat exchanger

#30

20170260895

2017-09-14

Two-stroke internal combustion engine

#31

20170254298

2017-09-07

Cylinder head of an internal combustion engine

#32

20170234202

2017-08-17

Exhaust device for internal combustion engine

#33

20170211457

2017-07-27

Applied-ignition, liquid-cooled internal combustion engine with cooled cylinder head

#34

20170209915

2017-07-27

Manufacturing method for cylinder head

#35

20170184035

2017-06-29

Valve Device

#36

20170167433

2017-06-15

INSERTS FOR A TWO-STROKE ENGINE

#37

20170002718

2017-01-05

Integrated oil-less cylinder head engine

#38

20160369739

2016-12-22

Cylinder head

#39

20160369690

2016-12-22

VOLUME MEASURING STRUCTURE FOR CYLINDER HEAD AND PISTON FOR ENGINE

#40

20160341146

2016-11-24

Method, System and Apparatus for Dissipating Heat in Cylinder Head

#41

20160281592

2016-09-29

Exhaust structure

#42

20160265395

2016-09-15

Variable travel valve apparatus for an internal combustion engine

#43

20160258383

2016-09-08

Heat-insulation film, and heat-insulation-film structure

#44

20160252006

2016-09-01

Cylinder head

#45

20160222840

2016-08-04

Modular rotary valve apparatus

#46

20160076480

2016-03-17

VALVE SEATS FOR CYLINDER HEADS IN AIRCRAFT ENGINES

#47

20160010617

2016-01-14

Preheater assembly, a cylinder head, a piston engine, and an aircraft

#48

20150285182

2015-10-08

Internal combustion engine for natural gas compressor operation

#49

20150219041

2015-08-06

Engine

#50

20150211410

2015-07-30

Engine Component Sleeve with an Integrated Heat Transfer Arrangement

#51

20150198111

2015-07-16

Compact packaging for intake charge air cooling

#52

20150167581

2015-06-18

Cylinder head for internal combustion engine

#53

20150052882

2015-02-26

Exhaust gas system for an internal combustion engine

#54

20140338314

2014-11-20

Engine having integrated exhaust manifold with combined ducts for inside cylinders and outside cylinders

#55

20140338309

2014-11-20

Exhaust system having a flow rotation element and method for operation of an exhaust system

#56

20140245986

2014-09-04

Engine cylinder head provided with light valve spring bosses

#57

20140242858

2014-08-28

Vessel propulsion apparatus and vessel

#58

20140144415

2014-05-29

EGR device for internal combustion engine

#59

20140026837

2014-01-30

Cylinder head configuration for internal combustion engine

#60

20130340703

2013-12-26

Cylinder head for internal combustion engine

#61

20130086891

2013-04-11

Exhaust port structure of cylinder head

#62

20120318229

2012-12-20

Internal combustion engine comprising a connecting assembly for a cylinder head

#63

20120138008

2012-06-07

Cylinder head with symmetric intake and exhaust passages

#64

20120060778

2012-03-15

Cylinder head for an internal combustion engine

#65

20120048227

2012-03-01

METHOD FOR COATING AN EXHAUST PORT AND APPARATUS FOR PERFORMING THE METHOD

#66

20100083920

2010-04-08

Cylinder head for an internal combustion engine

#67

20100077973

2010-04-01

Variable travel valve apparatus for an internal combustion engine

#68

20080184956

2008-08-07

Internal combustion engine

#69

20050235477

2005-10-27

Intake or exhaust port molding core structure

#70

14512610

2017-09-05

Injector cup pressing tools