F02M23/04 - CPC Classification Index

ClassID:

140720 ⎘

F02M23/04 - CPC Classification

Classification description:

Apparatus for adding secondary air to fuel-air mixture with automatic control

Sub-classes:

F02M23/06 » dependent on engine speed 8
F02M23/08 » dependent on pressure in main combustion-air induction system, {e.g. pneumatic-type apparatus} 7
F02M23/10 » dependent on temperature, e.g. engine temperature 6

Recent Application in this class:

20200148235

2020-05-14

Oil carryover reduction system

20200063666

2020-02-27

Controller and control method for internal combustion engine

20190338730

2019-11-07

IN-CYLINDER AIR INJECTION VIA DUAL-FUEL INJECTOR

20190301361

2019-10-03

FUEL-AIR INJECTION ROTARY ENGINE

20180306127

2018-10-25

Internal combustion engine injection system

20160131091

2016-05-12

Internal combustion engine

20150330297

2015-11-19

Two-cycle pneumatic injection engine

20130298868

2013-11-14

Throttle body fuel injection system with improved idle air control

20090194068

2009-08-06

Flow controlling method for an auxiliary intake flow passage

#10

20070246008

2007-10-25

Method and device for increasing the torque of a reciprocating piston internal combustion engine, in particular of a diesel engine

#11

20050193976

2005-09-08

Swirl forming device in combustion engine

#12

20050166883

2005-08-04

Internal combustion engine and method for the operation thereof

#13

20050000215

2005-01-06

Internal combustion engine