| IPC 6 English version | F02P-F02P02304 |
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SECTION F | – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
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COMBUSTION ENGINES (cyclically operating valves therefor, lubricating, exhausting, or silencing engines F 01) |
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IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES (specially adapted for rotary-piston or oscillating-piston engines F 02 B 53/12; ignition of combustion apparatus in general, glowing plugs F 23 Q; measuring of physical variables in general G 01; controlling in general G 05; data processing in general G 06; electrical components in general, see section H; sparking plugs H 01 T) |
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Electric spark ignition installations characterised by the type of ignition power generation or storage |
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1/ | 00 | Installations having electric ignition energy generated by magneto- or dynamo-electric generators without subsequent storage |
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1/ | 02 | . | the generator rotor being characterised by forming part of the engine flywheel |
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1/ | 04 | . | the generator being specially adapted for use with specific engine types, e.g. engines with V-arrangement of cylinders |
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1/ | 06 | . | Generator drives, e.g. having snap couplings |
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1/ | 08 | . | Layout of circuits |
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3/ | 00 | Other installations |
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3/ | 01 | . | Electric spark ignition installations without subsequent energy storage, i.e. energy supplied by an electrical oscillator (with magneto- or dynamo-electric generators F 02 P 1/00; piezo-electric ignition F 02 P 3/12; with continuous electric spark F 02 P 15/10) [4] |
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3/ | 02 | . | having inductive energy storage, e.g. arrangements of induction coils |
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3/ | 04 | . . | Layout of circuits |
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3/ | 045 | . . . | for control of the dwell or anti-dwell time [4] |
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3/ | 05 | . . . | for control of the magnitude of the current in the ignition coil (during starting F 02 P 15/12) [4] |
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3/ | 055 | . . . | with protective means to prevent damage to the circuit or the ignition coil [4] |
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3/ | 06 | . | having capacitive energy storage (piezo-electric or electrostatic ignition F 02 P 3/12) |
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3/ | 08 | . . | Layout of circuits (for low tension F 02 P 3/10) |
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3/ | 09 | . . . | for control of the charging current in the capacitor (F 02 P 15/12 takes precedence) [4] |
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3/ | 10 | . . | Low-tension installation, e.g. using surface-discharge sparking plugs |
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3/ | 12 | . | Piezo-electric ignition; Electrostatic ignition |
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Advancing or retarding electric ignition spark; Arrangements of distributors or of circuit-makers or -breakers for electric spark ignition; Electric spark ignition control or safety means, not otherwise provided for |
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5/ | 00 | Advancing or retarding ignition; Control therefor [6] |
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5/ | 02 | . | non-automatically; dependent on position of personal controls of engine, e.g. throttle position |
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5/ | 04 | . | automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions (dependent on position of personal controls of engine F 02 P 5/02) |
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5/ | 05 | . . | using mechanical means [4] |
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5/ | 06 | . . . | dependent on engine speed [4] |
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5/ | 07 | . . . . | Centrifugal timing mechanisms [6] |
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5/ | 10 | . . . | dependent on fluid pressure in engine, e.g. combustion-air pressure [4] |
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5/ | 12 | . . . . | dependent on a specific pressure other than that of combustion-air, e.g. of exhaust, cooling fluid, lubricant [4] |
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5/ | 14 | . . . | dependent on specific conditions other than engine speed or engine fluid pressure, e.g. temperature [4] |
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5/ | 145 | . . | using electrical means [4] |
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5/ | 15 | . . . | Digital data processing [4] |
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5/ | 152 | . . . . | dependent on pinking (detecting or indicating knocks in internal-combustion engines G 01 L 23/22) [6] |
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5/ | 153 | . . . . | dependent on combustion pressure [6] |
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5/ | 155 | . . . | Analogue data processing [4] |
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5/ | 16 | . | characterised by the mechanical transmission between sensing elements or personal controls and final actuating elements |
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7/ | 00 | Arrangement of distributors, circuit-makers or -breakers, or pick-up devices (advancing or retarding ignition or control therefor F 02 P 5/00; such devices per se, see the relevant classes of section H, e.g. rotary switches H 01 H 19/00, contact-breakers, distributors H 01 R 39/00, generators H 02 K) |
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7/ | 02 | . | of distributors |
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7/ | 03 | . . | with electrical means (ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders F 02 P 15/08) [4] |
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7/ | 04 | . . | having distributors with air-tight casing |
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7/ | 06 | . | of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle [4] |
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7/ | 063 | . . | Mechanical pick-up devices, circuit-makers or -breakers, e.g. contact-breakers [4] |
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7/ | 067 | . . | Electromagnetic pick-up devices [4] |
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7/ | 07 | . . . | Hall-effect pick-up devices [4] |
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7/ | 073 | . . | Optical pick-up devices [4] |
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7/ | 077 | . . | Circuits therefor, e.g. pulse generators [4] |
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7/ | 08 | . . | having air-tight casings |
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7/ | 10 | . | Drives of distributors or of circuit-makers or -breakers |
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9/ | 00 | Electric spark ignition control, not otherwise provided for |
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11/ | 00 | Safety means for electric spark ignition, not otherwise provided for |
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11/ | 02 | . | Preventing damage to engines or engine-driven gearing |
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11/ | 04 | . | Preventing unauthorised use of engines (of vehicles B 60 R 25/04; ignition locks H 01 H 27/00) |
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11/ | 06 | . | Indicating unsafe conditions |
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13/ | 00 | Sparking plugs structurally combined with other parts of internal-combustion engines (with fuel injectors F 02 M 57/06; predominant aspects of the parts, see the relevant subclasses) |
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15/ | 00 | Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F 02 P 1/00 to F 02 P 13/00 |
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15/ | 02 | . | Arrangements having two or more sparking plugs |
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15/ | 04 | . | one of the spark electrodes being mounted on the engine working piston |
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15/ | 06 | . | the electric spark triggered by engine working cylinder compression |
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15/ | 08 | . | having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders |
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15/ | 10 | . | having continuous electric sparks |
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15/ | 12 | . | having means for strengthening spark during starting |
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17/ | 00 | Testing of ignition installations, e.g. in combination with adjusting (testing fuel injection apparatus F 02 M 65/00; testing ignition installations in general F 23 Q 23/00) |
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17/ | 02 | . | Checking or adjusting ignition timing [6] |
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17/ | 04 | . . | dynamically [6] |
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17/ | 06 | . . . | using a stroboscopic lamp [6] |
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17/ | 08 | . . . | using a cathode-ray oscilloscope (F 02 P 17/06 takes precedence) [6] |
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17/ | 10 | . | Measuring dwell or antidwell time [6] |
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17/ | 12 | . | Testing characteristics of the spark, ignition voltage or current (testing of sparking plugs G 01 M 19/02) [6] |
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Other ignition |
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19/ | 00 | Incandescent ignition, e.g. during starting of internal-combustion engines; Combination of incandescent and spark ignition [4] |
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19/ | 02 | . | electric, e.g. layout of circuits of apparatus having glowing plugs |
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19/ | 04 | . | non-electric, e.g. heating incandescent spots by burners (use of burners for direct ignition F 02 P 21/00) |
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21/ | 00 | Direct use of flames or burners for ignition |
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21/ | 02 | . | the flames being kept burning essentially external to engine working chambers |
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21/ | 04 | . | Burning-cartridges or like inserts being arranged in engine working chambers (as starting aid F 02 N 17/02) |
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23/ | 00 | Other ignition |
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23/ | 02 | . | Friction, pyrophoric, or catalytic ignition |
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23/ | 04 | . | Other physical ignition means, e.g. using laser rays |
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