F02F   1/00		إåɡΣ	Cylinders; Cylinder heads	9712
F02F   1/02		ѼʤΡʥإåɣƣƣ	having cooling means(cylinder heads <b>F02F1/26</b>)	253
F02F   1/04			for air cooling	646
F02F   1/06		ѥեηޤϹեդ	Shape or arrangement of cooling fins; Finned cylinders	1341
F02F   1/08		饤ʤӥΤȤʤäΤޤϰۼκ	running-liner and cooling-part of cylinder being different parts or of different material	774
F02F   1/10			for liquid cooling	4041
F02F   1/12		̤ܿ忩ɻߤ	Preventing corrosion of liquid-swept surfaces	180
F02F   1/14		Τήդ⤷ޤʬʤĥ	Cylinders with means for directing, guiding, or distributing liquid stream	3018
F02F   1/16		饤	Cylinder liners of wet type	2547
F02F   1/18		¾Υ	Other cylinders	3173
F02F   1/20		ħȤ	characterised by constructional features providing for lubrication	1648
F02F   1/22		ɤݵޤϵ뵤θ뤳ȤħȤ	characterised by having ports in cylinder wall for scavenging or charging	2148
F02F   1/24		إå	Cylinder heads	14907
F02F   1/26		ѼʤΤ	having cooling means	283
F02F   1/28			for air cooling	246
F02F   1/30		եդإå	Finned cylinder heads	478
F02F   1/32		Ƭ۷Υإå	the cylinder heads being of overhead-valve type	447
F02F   1/34		ΤդޤʬμʤĤΡΣ	with means for directing or distributing cooling medium	329
F02F   1/36			for liquid cooling	2538
F02F   1/38		Ƭ۷Υإå	the cylinder heads being of overhead-valve type	1538
F02F   1/40		Τήդ⤷ޤʬʤĥΣ	cylinder heads with means for directing, guiding, or distributing liquid stream	2920
F02F   1/42		إåɤˤ۵ޤӵϩηޤ	Shape or arrangement of intake or exhaust channels in cylinder heads	9450
F02F   3/00		ԥȥΣ	Pistons	12590
F02F   3/02		ǮĥĴޤ椹ʤ	having means for accommodating or controlling heat expansion	1223
F02F   3/04		Ǯĥ椹ʪΤ	having expansion-controlling inserts	563
F02F   3/06		Х᥿̤Τʪ	the inserts having bimetallic effect	57
F02F   3/08		ľʪ	the inserts being ring-shaped	386
F02F   3/10		ɽʤΤΡʣƣƣͥ	having surface coverings(<b>F02F3/02</b> takes precedence)	1666
F02F   3/12		ԥȥإåɤˤ	on piston heads	942
F02F   3/14		ǳƼˤ	within combustion chambers	487
F02F   3/16		ѼʤΤ	having cooling means	647
F02F   3/18		ԥȥ̩Ĥ줿ˤΤޤϸΤѺޡ㡥ʥȥꥦࡤˤ	the means being a liquid or solid coolant, e.g. sodium, in a closed chamber in piston	398
F02F   3/20		ԥȥ˱褦ޤϴ̤ήΤήˤѼ	the means being a fluid flowing through or along piston	405
F02F   3/22		ήΤΤǤ	the fluid being liquid	2983
F02F   3/24		εΤ⤹ʤΤΡ㡥뵡ؤˤݵ⤹	having means for guiding gases in cylinders, e.g. for guiding scavenging charge in two-stroke engines	757
F02F   3/26		ԥȥإåɤǳƼΡʤɽ̤ʤƣƣ	having combustion chamber in piston head(the surface thereof being covered <b>F02F3/14</b>)	4327
F02F   3/28		üΥإåɤ¾Υԥȥ	Other pistons with specially-shaped head	2041
F02F   5/00		ԥȥ󥰡㡥ԥȥإåɤȤ߹蘆줿	Piston rings, e.g. associated with piston crown	6359
F02F   7/00		󥰡㡥󥯼Σ	Casings, e.g. crankcases	20658
F02F  11/00		ǳƵؤ̩֤ιʥԥȥ󥰣ƣƣˡΣ	Arrangements of sealings in combustion engines(piston rings <b>F02F5/00</b>)	11161
