ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F02B0025220000 by forming air cushion between charge and combustion residues 1
F02B0025240000 Inlet or outlet openings being timed asymmetrically relative to bottom dead-centre 1
F02B0025260000 Multi-cylinder engines other than those provided for in, or of interest apart from, groups F02B0025020000-F02B0025240000; (internal-combustion aspects of rotary engines with movable cylinders F02B0057000000) 1
F02B0025280000 with V-, fan-, or star-arrangement of cylinders 1
F02B0027000000 Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues (aspectscharacterised by provision of driven charging or scavenging pumps F02B0033000000-F02B0039000000, e.g. use of driven apparatus for immediate conversion of combustion gas pressure into pressure of fresh charge F02B0033420000) 1
F02B0027020000 the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means (in exhaust systems only F02B0027060000) 1
F02B0027040000 in exhaust systems only, e.g. for sucking-off combustion gases 1
F02B0027060000 the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means 1
F02B0029000000 Engines characterised by; provision for charging or scavenging not provided for in groupsF02B0025000000,F02B0027000000; or F02B0033000000-F02B0039000000; Details thereof 1
F02B0029020000 Other fluid-dynamic features of induction systems for improving quantity of charge (for also imparting a rotation to the charge in the cylinder F02B0031000000; structural features of induction systems F02M) 1
F02B0029040000 Cooling of air intake supply 1
F02B0029060000 After-charging, i.e. supplementary charging after scavenging 1
F02B0029080000 Modifying distribution valve timing for charging purposes (F02B0029060000 takes precedence;valve-gear therefor F01L) 1
F02B0031000000 Modifying induction systems for imparting a rotation to the charge in the cylinder (structural features of induction systems F02M) 1
F02B0031020000 in engines having inlet valves arranged eccentrically to cylinder axis (F02B0031080000 takes precedence);; 1