F02F3/04 - CPC Classification Index

ClassID:

140079 ⎘

F02F3/04 - CPC Classification

Classification description:

Pistons having means for accommodating or controlling heat expansion having expansion-controlling inserts

Sub-classes:

F02F3/042 » {the inserts consisting of reinforcements in the skirt interconnecting separate wall parts, e.g. rods or strips} 4
F02F3/045 » {the inserts being located in the crown} 4
F02F3/047 » {the inserts being located around the gudgeon pin bearings} 0
F02F3/06 » the inserts having bimetallic effect 1
F02F3/08 » the inserts being ring-shaped 8

Recent Application in this class:

20180128203

PISTONS WITH THERMAL BARRIER COATINGS

20180128202

Pistons with thermal barrier coatings

20150096524

PISTON FOR AN INTERNAL COMBUSTION ENGINE

20130092116

Piston for spark-ignition engine