F02B 27/02 the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means (in exhaust systems only F02B27/06)
Introduced: September 1968
Title
Titles differ between systems:
IPC: the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
CPC: the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means (in exhaust systems only F02B27/06)
Full Title
Full titles differ between systems:
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 > the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
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 > the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means (in exhaust systems only F02B27/06)
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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