F02B27/04 - CPC Classification Index

ClassID:

138690 ⎘

F02B27/04 - CPC Classification

Classification description:

Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues in exhaust systems only, e.g. for sucking-off combustion gases

Sub-classes:

F02B27/06 » the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means 23

Recent Application in this class:

20190101050

2019-04-04

Exhaust-tuning port and timing and combustion chamber shape

20180320579

2018-11-08

Four stroke internal combustion engine

20180266302

2018-09-20

Exhaust device of multiple-cylinder engine

20180230887

2018-08-16

Engine exhaust extractor with internal airfoils and method of manufacturing

20170321591

2017-11-09

Open exhaust chamber constructions for opposed-piston engines

20160290219

2016-10-06

Pressure-charged combustion engine having a double-flow turbine and grouped cylinders

20160169072

2016-06-16

EXHAUST AFTERTREATMENT SYSTEM AND METHOD

20160146097

2016-05-26

Exhaust system with exhaust gas recirculation and multiple turbochargers, and method for operating same

20160108870

2016-04-21

Intake system of engine

#10

20150377101

2015-12-31

Method of and apparatus for exhausting internal combustion engines

#11

20140345259

2014-11-27

Straddle-type vehicle

#12

20140250874

2014-09-11

Exhaust device for multicylinder engine

#13

20140075927

2014-03-20

Collector for manifold pipes

#14

20140000574

2014-01-02

Muffler and engine-driven work machine

#15

20130319789

2013-12-05

Two-stroke engine comprising a muffler

#16

20130306025

2013-11-21

Intake and exhaust system for multi-cylinder engine

#17

20130255226

2013-10-03

Exhaust apparatus for internal combustion engine

#18

20130247849

2013-09-26

Shunt pulsation trap for positive displacement (PD) internal combustion engines (ICE)

#19

20130167527

2013-07-04

Exhaust pulse energy divider

#20

20130167506

2013-07-04

Method of and apparatus for exhausting internal combustion engines

#21

20130125535

2013-05-23

Exhaust system for two-stroke internal combustion engine

#22

20120312002

2012-12-13

Internal combustion engine having an interference reducing exhaust manifold

#23

20120260888

2012-10-18

METHOD FOR INCREASING THE FUEL COMBUSTION EFFICIENCY OF AN INTERNAL COMBUSTION ENGINE AND A DEVICE FOR CARRYING OUT SAID METHOD

#24

20120234293

2012-09-20

Internal combustion engine and method of producing the same

#25

20120228053

2012-09-13

Silencer for a two-stroke motor of a power tool

#26

20120216780

2012-08-30

Backwards Injected Engine

#27

20120073536

2012-03-29

INTERNAL COMBUSTION ENGINE WITH SPHERICAL ROTARY VALVE

#28

20110265763

2011-11-03

Piston engine, method and use

#29

20110040476

2011-02-17

Control apparatus for internal combustion engine

#30

20100192557

2010-08-05

Multi-cylinder internal combustion engine, vehicle, marine vessel, and exhausting method for multi-cylinder internal combustion engine

#31

20100192556

2010-08-05

Internal combustion engine, vehicle, marine vessel, and secondary air supply method for internal combustion engine

#32

20100192553

2010-08-05

Internal combustion engine, vehicle, marine vessel, and exhaust gas cleaning method for internal combustion engine

#33

20100180859

2010-07-22

FOUR-CYCLE ENGINE

#34

20100180583

2010-07-22

Internal combustion engine, vehicle, marine vessel, and exhausting method for internal combustion engine

#35

20100003873

2010-01-07

Outboard motor

#36

20090313981

2009-12-24

Externally adjustable modular tuned exhaust system

#37

20090255519

2009-10-15

Silencer for a motor device

#38

20090090100

2009-04-09

INTERNAL COMBUSTION ENGINE HAVING EXHAUST GAS BYPASSING CONTROL MECHANISM

#39

20080184953

2008-08-07

Induction system for an internal combustion engine

#40

20080148722

2008-06-26

Method of and apparatus for exhausting internal combustion engines

#41

20080006026

2008-01-10

Vehicle exhaust systems

#42

20070261387

2007-11-15

MOTORCYCLE EXHAUST ENHANCEMENT DEVICE

#43

20070240410

2007-10-18

Multiple-cylinder engine for outboard motor

#44

20070137189

2007-06-21

Vehicle exhaust apparatus and motorcycle equipped therewith

#45

20070130926

2007-06-14

Exhaust device for two-stroke internal combustion engine

#46

20070101707

2007-05-10

DUAL MOTORCYCLE EXHAUST SYSTEM

#47

20070101706

2007-05-10

Side branch absorber for exhaust manifold of two-stroke internal combustion engine

#48

20070095056

2007-05-03

Exhaust extractor manifold improvements

#49

20070006853

2007-01-11

System for improving motor vehicle performance

#50

20060180129

2006-08-17

System for improving motor vehicle performance

#51

20060005535

2006-01-12

Exhaust manifold for four-cylinder engine

#52

20050235635

2005-10-27

Exhause pipe assembly

#53

20050155819

2005-07-21

Anti-reversion apparatus

#54

20050139175

2005-06-30

Turbo-charged internal combustion engine with in-cylinder EGR and injection rate shaping

#55

20050115763

2005-06-02

Motorcycle exhaust enhancers

#56

20050115230

2005-06-02

Auxiliary airflow booster of engine

#57

20050081515

2005-04-21

Dual motorcycle exhaust system

#58

20050072393

2005-04-07

Gas directing system and method

#59

20050011698

2005-01-20

Internal combustion engine exhaust system

#60

15151605

2017-08-01

Turbo-piston engine