CPC Definition - Subclass H01T
This place covers:
- Spark gaps, which is used with the following meaning: enclosed or non-enclosed;
- Discharge device having cold electrodes and used exclusively to discharge a quantity of electrical energy in a small time duration.
This place does not cover:
Air purifiers | |
Surface shaping | |
Devices for generating ozone | |
Fuel Injection | |
Ignition circuits | |
Glow plugs | |
Pressure sensors | |
Charging electrographic elements | |
Voltage dependent resistors | |
Ignition coils | |
Fuses | |
Discharge tubes | |
Overvoltage protection circuits | |
Electrostatic discharge in general | |
Generating plasma |
Attention is drawn to the following places, which may be of interest for search:
Electrotherapy | |
Air purifiers | |
Working of metal by the action of a high concentration of electric current | |
Welding, e.g. arc welding, electron beam welding or electrolytic welding | |
Surface shaping | |
Devices for generating ozone | |
Fuel Injection | |
Ignition circuits | |
Glow plugs | |
Pressure sensors | |
Charging electrographic elements | |
Voltage dependent resistors | |
Ignition coils | |
Fuses | |
Discharge tubes | |
Gas-filled discharge tubes with solid cathode | |
Electric arc lamps | |
Spark gaps for electrostatic discharge (ESD) components | |
Generating plasma |
In this place, the following terms or expressions are used with the meaning indicated:
spark gap | Enclosed or non-enclosed discharge device having cold electrodes and used exclusively to discharge a quantity of electrical energy in a small time duration |
This place covers:
Constructional details of the spark gap or of means structurally associated therewith.
The intended use of the spark gap (e.g. overvoltage arrester) is not considered.
Attention is drawn to the following places, which may be of interest for search:
Thermally-actuated switches comprising a contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material |
This place covers:
Triggering means, e.g. electrodes or additional discharge activation arrangements.
This place does not cover:
Triggering circuits |
This place covers:
Spark gaps used as voltage limiting means.
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Voltage dependent resistors used as overvoltage arresters |
This place does not cover:
Switches | |
Structural association of fuses with spark gap arresters |
Attention is drawn to the following places, which may be of interest for search:
Means for providing an external arc discharge path over insulators |
This place does not cover:
Arcing horns associated with insulators |
Attention is drawn to the following places, which may be of interest for search:
Surgical instruments for extracorporeal shock wave lithotripsy | |
Generating seismic energy using spark discharges | |
Sound-producing devices using electric discharge | |
Gas-filled discharge tubes with solid cathode | |
Generation of oscillations using a shock-excited tuned circuit excited by spark | |
Jamming of communication |
This place covers:
Sparking plugs for internal combustion engines.
Attention is drawn to the following places, which may be of interest for search:
Structurally associated with fuel injector | |
Connected with ignition coil | |
Laser ignition devices | |
Glow plugs | |
Apparatus for recording rapid changes in pressure for detecting knocks in internal-combustion engines or combined pressure-sensitive members and ignitors for an internal combustion engine | |
Ignition coils |
Attention is drawn to the following places, which may be of interest for search:
Sparking plugs structurally associated with fuel injectors | |
Electric connections in general |
This place does not cover:
Electrodes embedded in insulation for sparking plugs having two or more spark gaps |
This place does not cover:
Spherically shaped electrodes, e.g. ball-shaped |
Attention is drawn to the following places, which may be of interest for search:
Insulating materials in general |
This place does not cover:
Sparking plugs combined or associated with fuel injectors | |
Sparking plugs structurally combined with other parts of internal-combustion engines |
This place does not cover:
Characterised by a discharge along a surface |
This place does not cover:
Testing characteristics of the spark in internal-combustion engine ignition |
This place does not cover:
Devices providing for corona discharge |
This place does not cover:
This place does not cover:
Devices for charging electrographic elements |
Attention is drawn to the following places, which may be of interest for search:
Surface shaping by electric discharge | |
Printing machines – Devices for treating the surface of sheets | |
Devices for generating ozone | |
Physical treatment of fibres, threads, or yarns | |
Carrying-off electrostatic charges |
This place does not cover:
Means for self-cleaning | |
Abrasive blasting devices for cleaning sparking-plugs |
This place does not cover:
Sparking-plugs having movable electrodes for adjusting the gap |
Attention is drawn to the following places, which may be of interest for search:
Electrotherapy applying ionised fluids | |
Air purifiers | |
Discharge tubes with provision for emergence of ions from the vessel | |
Generating plasma |