F02M23/08 - CPC Classification Index

ClassID:

140725 ⎘

F02M23/08 - CPC Classification

Classification description:

Apparatus for adding secondary air to fuel-air mixture with automatic control dependent on pressure in main combustion-air induction system, e.g. pneumatic-type apparatus

Sub-classes:

F02M23/085 » {specially adapted for secondary air admission during braking or travelling down steep slopes} 0
F02M23/09 » using valves directly opened by low pressure 2

Recent Application in this class:

20250122851

2025-04-17

Cycle based on compressed air by an auxiliary compressor for internal combustion engines

20210285361

2021-09-16

RECIPROCATING-PISTON INTERNAL COMBUSTION ENGINE WITH DEVICE FOR INCREASING THE TORQUE THEREOF

20200256284

2020-08-13

Air-fuel ratio control method reflecting brake booster inflow flow rate

20140366857

2014-12-18

Secondary air supply device for internal combustion engine

20120297769

2012-11-29

Fresh gas supply device for an internal combustion engine and method of operating same

20110288715

2011-11-24

Vehicle pneumatic booster system operating method and apparatus

20060144377

2006-07-06

Device for heightening engine efficiency