IPC Classification

Class code (prefix) Descriptions Number of results
F15C 1/00 Circuit elements having no moving parts
F15C 1/02 Circuit elements having no moving parts - Details
F15C 1/04 Means for controlling fluid streams to fluid devices, e.g. by electric signals
F15C 1/06 Constructional details; Selection of specified materials
F15C 1/08 Boundary-layer devices, e.g. wall-attachment amplifiers
F15C 1/10 Boundary-layer devices, e.g. wall-attachment amplifiers for digital operation, e.g. to form a logical flip-flop, OR-gate, NOR-gate
F15C 1/12 Multiple arrangements thereof for performing operations of the same kind, e.g. majority gates, identity gates
F15C 1/14 Stream-interaction devices; Momentum-exchange devices, e.g. operating by exchange between two orthogonal fluid jets
F15C 1/16 Vortex devices, i.e. devices in which use is made of the pressure drop associated with vortex motion in a fluid
F15C 1/18 Turbulence devices, i.e. devices in which a controlling stream will cause a laminar flow to become turbulent
F15C 1/20 Direct-impact devices, i.e. devices in which two collinear opposing power streams are impacted
F15C 1/22 Oscillators
F15C 3/00 Circuit elements having moving parts
F15C 3/02 Circuit elements having moving parts using spool valves
F15C 3/04 Circuit elements having moving parts using diaphragms
F15C 3/06 Circuit elements having moving parts using balls
F15C 3/08 Circuit elements having moving parts using reeds
F15C 3/10 Circuit elements having moving parts using nozzles or jet pipes
F15C 3/12 Circuit elements having moving parts using nozzles or jet pipes the nozzle or jet pipe being movable
F15C 3/14 Circuit elements having moving parts using nozzles or jet pipes the jet from the nozzle being intercepted by a flap
F15C 3/16 Oscillators
F15C 4/00 Circuit elements characterised by their special functions
F15C 5/00 Manufacture of fluid-circuit elements; Manufacture of assemblages of such elements
F15C 7/00 Hybrid elements, i.e. circuit elements having features according to groups and