F01L2003/253 - CPC Classification Index

ClassID:

137269 ⎘

F01L2003/253 - CPC Classification

Classification description:

Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof; Valve configurations in relation to engine configured parallel to piston axis

Recent Application in this class:

20210180478

Engine head assembly with valve seat insert with stiffness relief cutout

20210054768

Valve seat insert for high power density and high speed diesel engines

20140116363

Hybrid cam-camless variable valve actuation system

20120279471

SPARK IGNITION FOUR-STROKE CYCLE ENGINE

20120216779

FUEL SUPPLY DEVICE

20100300417

INTERNAL COMBUSTION ENGINE HAVING A TRANSITIONALLY SEGREGATED COMBUSTION CHAMBER

20100294254

Inverted cross-scavenged, two-overhead valve, 2-stroke engine

20090314264

Method of controlling valve timing of diesel engine

20090277709

MOTORCYCLE