DIFF Subgroup
F02B 43/04 for improving efficiency of combustion
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Engines characterised by operating on gaseous fuels; Plants including such engines > Engines characterised by means for increasing operating efficiency > for improving efficiency of combustion
CPC:
Engines characterised by operating on gaseous fuels; Plants including such engines (engines characterised by the gas-air charge being ignited by compression ignition of an additional fuel F02B7/06; engines convertible from gas to other fuel consumption F02B69/04) > Engines characterised by means for increasing operating efficiency > for improving efficiency of combustion
No child classifications to compare. This is a leaf node in both IPC and CPC.