F15C1/00	7	Circuit elements having no moving parts<br><br><u>NOTE</u><br><br>Group F15C1/22 takes precedence over groups F15C1/08 - F15C1/20.<br>This Note corresponds to IPC Note (1) relating to F15C1/08 - F15C1/20.	F15C1/00	F15C1/00		131
F15C1/001	8	{for punched-card machines (punched-card machines&#160;G06K); for typewriters (typewriters&#160;B41J); for keyboards; for conveying cards or tape; for conveying through tubes (transport through tubes&#160;B65G51/00,&#160;B65G53/00); for computers (non-electric computers&#160;G06C,&#160;G06D,&#160;G06G); for DC-AC transducers for information processing (DC-AC converters&#160;H02M); for signal transmission (telegraphic apparatus&#160;H04L)}	F15C1/00	F15C1/00		96
F15C1/002	8	{for controlling engines, turbines, compressors (starting, speed regulation, temperature control or the like) (control of internal-combustion piston engines F02D; of turbines F01D, F02C; of fans F04D27/00; speedometers G01P)}	F15C1/00	F15C1/00		141
F15C1/003	8	{for process regulation, (e.g. chemical processes, in boilers or the like); for machine tool control (e.g. sewing machines, automatic washing machines); for liquid level control; for controlling various mechanisms; for alarm circuits; for AC-DC transducers for control purposes (special provisions on lathes&#160;B23B25/00,&#160;B23Q; electric regulation of mechanical working machines&#160;B23Q35/00,&#160;G05B19/00; thread feeding devices for sewing machines&#160;D05B51/00; automatic washing machines&#160;D06F33/00; valve-controlled servomotors&#160;F15B9/08; non-electric signal transmission&#160;G08C23/00)}	F15C1/00	F15C1/00		148
F15C1/005	8	{for measurement techniques, e.g. measuring from a distance; for detection devices, e.g. for presence detection; for sorting measured properties (testing); for gyrometers; for analysis; for chromatography (fluid information or impulse transducers F15B5/00; postal sorting according to size B07C1/10; dial gauges, spherometers G01B3/22, G01B5/22; gyroscopic apparatus G01C19/00; viscosimeters G01N11/00; speed measurement, flowmeters G01P)}	F15C1/00	F15C1/00		249
F15C1/006	8	{for aeronautics; for rockets (drives, controls); for satellites; for air cushion vehicles; for controlling vessels or torpedoes (injectors F04F5/00; aircraft control by jet reaction B64C15/00; air pressure regulation in aircraft B64D13/04; instruments adapted to be mounted in aircraft B64D43/00)}	F15C1/00	F15C1/00		46
F15C1/007	8	{for indicating devices for fluid signals (output arrangements in electronic computers G06F3/14; luminous advertising G09F13/00; name or number plates with interchangeable characters G09F7/00; fluid operating means for indicating or recording members in measuring instruments G01D5/42; fluid information or pulse transducers for converting variations of fluid pressure into other physical quantities F15B5/003)}	F15C1/00	F15C1/00		51
F15C1/008	8	{Other applications, e.g. for air conditioning, medical applications, other than in respirators, derricks for underwater separation of materials by coanda effect, weapons}	F15C1/00	F15C1/00		71
F15C1/02	8	Details {, e.g. special constructional devices for circuits with fluid elements, such as resistances, capacitive circuit elements; devices preventing reaction coupling in composite elements (servomotor systems adapted for maintaining constant speed F15B11/05); Switch boards; Program devices (hydraulic program control F15B21/02)}	F15C1/02	F15C1/02		151
F15C1/04	9	Means for controlling fluid streams to fluid devices, e.g. by electric signals {or other signals, no mixing taking place between the signal and the flow to be controlled (fluid information or pulse transducers F15B5/00; electric regulation with electro-fluid amplifiers G05B7/02; fluid operating means for indicating or recording members in measuring instruments G01D5/42; distribution or supply devices for servomotors with electrically-controlled pilot valves F15B13/043)}	F15C1/04	F15C1/04		290
F15C1/06	9	Constructional details; Selection of specified materials {; Constructional realisation of one single element; Canal shapes; Jet nozzles; Assembling an element with other devices, only if the element forms the main part (F15C5/00 takes precedence)}	F15C1/06	F15C1/06		90
F15C1/08	8	Boundary-layer devices, e.g. wall-attachment amplifiers {coanda effect (fluid oscillators of pulse generators F15B21/12)}	F15C1/08	F15C1/08		266
F15C1/10	9	for digital operation, e.g. to form a logical flip-flop, OR-gate, NOR-gate {, AND-gate; Comparators; Pulse generators}	F15C1/10	F15C1/10		98
F15C1/12	10	Multiple arrangements thereof for performing operations of the same kind, e.g. majority gates, identity gates {(static stores G11C25/00); Counting circuits; Sliding registers}	F15C1/12	F15C1/12		159
F15C1/14	8	Stream-interaction devices; Momentum-exchange devices, e.g. operating by exchange between two orthogonal fluid jets {; Proportional amplifiers}	F15C1/14	F15C1/14		235
F15C1/143	9	{for digital operation, e.g. to form a logical flip-flop, OR-gate, NOR-gate, AND-gate (F15C1/10 takes precedence)}	F15C1/14	F15C1/14		78
F15C1/146	9	{multiple arrangements thereof, forming counting circuits, sliding registers, integration circuits or the like (F15C1/12 take precedence)}	F15C1/14	F15C1/14		105
F15C1/16	8	Vortex devices, i.e. devices in which use is made of the pressure drop associated with vortex motion in a fluid {(vortex chambers F15D1/0015; vortex chambers as resistances F15C1/02; vortex chambers associated with amplifiers for improving the switching time by interaction F15C1/14)}	F15C1/16	F15C1/16		269
F15C1/18	8	Turbulence devices, i.e. devices in which a controlling stream will cause a laminar flow to become turbulent {; Diffusion amplifiers}	F15C1/18	F15C1/18		116
F15C1/20	8	Direct-impact devices i.e., devices in which two collinear opposing power streams are impacted	F15C1/20	F15C1/20		57
F15C1/22	8	Oscillators	F15C1/22	F15C1/22		333
F15C3/00	7	Circuit elements having moving parts (valves, construction of valves F16K)<br><br><u>NOTE</u><br><br>Group F15C3/16 takes precedence over groups F15C3/02&#160;-&#160;F15C3/14.	F15C3/00	F15C3/00		191
F15C3/002	8	{using fluid droplets or similar deformable bodies (using solid balls F15C3/06)}	F15C3/00	F15C3/00		30
F15C3/005	8	{using loose plates or foils (using diaphragms F15C3/04)}	F15C3/00	F15C3/00		54
F15C3/007	8	{using a spiral spring which allows fluid bass upon deformation (using reeds F15C3/08)}	F15C3/00	F15C3/00		13
F15C3/02	8	using spool valves	F15C3/02	F15C3/02		121
F15C3/04	8	using diaphragms ({using loose plates or foils F15C3/005}; connection of valves to inflatable elastic bodies B60C29/00)	F15C3/04	F15C3/04		412
F15C3/06	8	using balls {or pill-shaped disks (using fluid drops or similar deformable bodies F15C3/002)}	F15C3/06	F15C3/06		112
F15C3/08	8	using reeds {(using spiral springs F15C3/007)}	F15C3/08	F15C3/08		10
F15C3/10	8	using nozzles or jet pipes {(fluid information or pulse transducers F15B5/00)}	F15C3/10	F15C3/10		43
F15C3/12	9	the nozzle or jet pipe being movable	F15C3/12	F15C3/12		80
F15C3/14	9	the jet the nozzle being intercepted by a flap	F15C3/14	F15C3/14		144
F15C3/16	8	Oscillators	F15C3/16	F15C3/16		58
F15C4/00	7	Circuit elements characterised by their special functions	F15C4/00	F15C4/00		350
F15C5/00	7	Manufacture of fluid circuit elements; Manufacture of assemblages of such elements {integrated circuits}	F15C5/00	F15C5/00		626
F15C7/00	7	Hybrid elements, i.e. circuit elements having features according to groups F15C1/00 and F15C3/00	F15C7/00	F15C7/00		40
