F02B33/02 - CPC Classification Index

ClassID:

138724 ⎘

F02B33/02 - CPC Classification

Classification description:

Engines characterised by provision of pumps for charging or scavenging Engines with reciprocating-piston pumps; Engines with crankcase pumps

Sub-classes:

F02B33/04 » with simple crankcase pump, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase 126
F02B33/06 » with reciprocating-piston pumps other than simple crankcase pumps 73
F02B33/24 » with crankcase pumps other than with reciprocating pistons only 3
F02B33/26 » Four-stroke engines characterised by having crankcase pumps 20
F02B33/28 » Component parts, details or accessories of crankcase pumps, not provided for in, or of interest apart from, subgroups to 13

Recent Application in this class:

20230399973

Two-stroke engine

20230048404

Two-dimensional engine

20220412246

Engine assembly provided with an internal combustion engine cooled by a phase change material

20210003121

PROCESS FOR OPERATING A SINGLE-STROKE COMBUSTION ENGINE

20200277946

Dual engine-compressor system

20200040880

Dual engine-compressor system

20200018220

Two-cycle diesel engine configured for operation with high temperature combustion chamber surfaces

20190120117

Two-cycle diesel engine configured for operation with high temperature combustion chamber surfaces

20190048787

Supercharger of an internal combustion engine with a diaphragm having an electrical actuator controlled resonant frequency

20170167478

Reciprocating integral linear engine compressor

20170167366

Internal combustion engine

20160215632

Barrier layer for a turbocharger

20150075160

Structure for operating system for utilizing exhaust heat of vehicle

20140238017

Negative pressure forming device for brake of vehicle

20140224229

Fresh air system

20140182565

Brake negative pressure generating device for vehicle

20140150754

Compressor housing and exhaust gas turbine supercharger

20140147256

Compressor housing and exhaust turbine supercharger

20140116403

Air intake structure for internal combustion engine

20130174544

Electric Supercharged Co-Power Hybrid Vehicle

20130081597

Structure for preventing surge of 2-cylinder engine

20100107604

AMMONIA GENERATOR, VEHICLE AND METHOD FOR GENERATING AMMONIA

20080308077

Indirect-injection internal-combustion engine, notably spark-ignition supercharged engine, with two intake means for carrying out a burnt gas scavenging stage

20080035096

Cylinder for a crankcase scavenged internal combustion engine

20060118070

Reciprocating piston engines