DIFF Subgroup
F01D 17/14 varying effective cross-sectional area of nozzles or guide conduits
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Regulating or controlling by varying flow > Final actuators > arranged in stator parts > varying effective cross-sectional area of nozzles or guide conduits
CPC:
Regulating or controlling by varying flow (for reversing F01D1/30; by varying rotor-blade position F01D7/00; specially for starting F01D19/00; shutting-down F01D21/00; regulating or controlling in general G05 ) > Final actuators (valves in general F16K ) > arranged in stator parts > varying effective cross-sectional area of nozzles or guide conduits
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open