WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

F02P　IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES ({anti-pollution means for internal-combustion engines F02B 17/00}; specially adapted for rotary-piston or oscillating-piston engines F02B 53/12; {ignition of gas turbine plants F02C 7/26; ignition of jet propulsion plants F02K 9/95; starting of combustion engines F02N 9/00}; ignition of combustion apparatus in general, glowing plugs F23Q; measuring of physical variables in general G01; controlling in general G05; data processing in general G06; electrical components in general see Section H; {ignition coils H01F 38/12}; sparking plugs H01T 13/00)

F02P 1/00 Installations having electric ignition energy generated by magneto- or dynamoelectric generators without subsequent storage {(combination starter-magneto F02N 11/06; magneto- or dynamo-electric generators H02K 21/00)}

F02P 1/005 ・{Construction and fastening of elements of magnetos other than the magnetic circuit and the windings (F02P 1/02 to F02P 1/08 take precedence)}

F02P 1/02 ・the generator rotor being characterised by forming part of the engine flywheel

F02P 1/04 ・the generator being specially adapted for use with specific engine types, e.g. engines with V arrangement of cylinders

F02P 1/06 ・Generator drives, e.g. having snap couplings

F02P 1/08 ・Layout of circuits

F02P 1/083 ・・{for generating sparks by opening or closing a coil circuit}

F02P 1/086 ・・{for generating sparks by discharging a capacitor into a coil circuit}

F02P 3/00 Other installations

F02P 3/005 ・{having inductive-capacitance energy storage (capacitive storage installations using an intermediate charging inductance F02P 3/0876)}

F02P 3/01 ・Electric spark ignition installations without subsequent energy storage, i.e. energy supplied by an electrical oscillator (with magneto- or dynamo-electric generators F02P 1/00; piezo-electric ignition F02P 3/12; with continuous electric spark F02P 15/10)

F02P 3/02 ・having inductive energy storage, e.g. arrangements of induction coils {(ignition coils structurally combined with sparking plugs F02P 13/00; constructional details of ignition coils H01F 38/12)}

F02P 3/04 ・・Layout of circuits

F02P 3/0407 ・・・{Opening or closing the primary coil circuit with electronic switching means (F02P 3/045 to F02P 3/055 take precedence)}

F02P 3/0414 ・・・・{using digital techniques (F02P 3/0428, F02P 3/0442 take precedence)}

F02P 3/0421 ・・・・{with electronic tubes}

F02P 3/0428 ・・・・・{using digital techniques}

F02P 3/0435 ・・・・{with semiconductor devices (Fo2P3/045B, F02P 3/051, F02P 3/0552 take precedence)}

F02P 3/0442 ・・・・・{using digital techniques (F02P 3/0456, F02P 3/053, F02P 3/0554, F02P 3/0558 take precedence)}

F02P 3/045 ・・・for control of the dwell or anti dwell time

F02P 3/0453 ・・・・{Opening or closing the primary coil circuit with semiconductor devices}

F02P 3/0456 ・・・・・{using digital techniques}

F02P 3/05 ・・・for control of the magnitude of the current in the ignition coil (during starting F02P 15/12)

F02P 3/051 ・・・・{Opening or closing the primary coil circuit with semiconductor devices}

F02P 3/053 ・・・・・{using digital techniques}

F02P 3/055 ・・・with protective means to prevent damage to the circuit, {e.g. semiconductor devices} or the ignition coil

F02P 3/0552 ・・・・{Opening or closing the primary coil circuit with semiconductor devices}

F02P 3/0554 ・・・・・{using digital techniques (F02P 3/0558 takes precedence)}

F02P 3/0556 ・・・・・{Protecting the coil when the engine is stopped}

F02P 3/0558 ・・・・・・{using digital techniques}

F02P 3/06 ・having capacitive energy storage (piezo-electric or electrostatic ignition F02P 3/12)

F02P 3/08 ・・Layout of circuits (for low tension F02P 3/10)

F02P 3/0807 ・・・{Closing the discharge circuit of the storage capacitor with electronic switching means (F02P 3/0853, F02P 3/0876, F02P 3/09 take precedence)}

F02P 3/0815 ・・・・{using digital techniques (F02P 3/083, F02P 3/0846 take precedence)}

F02P 3/0823 ・・・・{with electronic tubes}

F02P 3/083 ・・・・・{using digital techniques}

F02P 3/0838 ・・・・{with semiconductor devices (F02P 3/0861, F02P 3/0884, F02P 3/093 take precedence)}

F02P 3/0846 ・・・・・{using digital techniques (F02P 3/0869, F02P 3/0892, F02P 3/096 take precedence)}

F02P 3/0853 ・・・{for control of the dwell or anti-dwell time}

F02P 3/0861 ・・・・{Closing the discharge circuit of the storage capacitor with semiconductor devices}

F02P 3/0869 ・・・・・{using digital techniques}

F02P 3/0876 ・・・{the storage capacitor being charged by means of an energy converter (DC-DC converter) or of an intermediate storage inductance}

F02P 3/0884 ・・・・{Closing the discharge circuit of the storage capacitor with semiconductor devices}

F02P 3/0892 ・・・・・{using digital techniques}

F02P 3/09 ・・・for control of the charging current in the capacitor (F02P 15/12 takes precedence)

F02P 3/093 ・・・・{Closing the discharge circuit of the storage capacitor with semiconductor devices}

F02P 3/096 ・・・・・{using digital techniques}

F02P 3/10 ・・Low-tension installation, e.g. using surface-discharge sparking plugs

F02P 3/12 ・Piezo-electric ignition; Electrostatic ignition

F02P 5/00 Advancing or retarding ignition; Control therefor

F02P 5/005 ・{with combination of automatic and non- automatic means}

F02P 5/02 ・non-automatically; dependent on position of personal controls of engine, e.g. throttle position

F02P 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 F02P 5/02)

F02P 5/045 ・・{combined with electronic control of other engine functions, e.g. fuel injection (in general F02D 37/02)}

F02P 5/05 ・・using mechanical means

F02P 5/06 ・・・dependent on engine speed

F02P 5/07 ・・・・Centrifugal timing mechanisms

F02P 5/075 ・・・・・{Centrifugal devices combined with other specific conditions}

F02P 5/10 ・・・dependent on fluid pressure in engine, e.g. combustion-air pressure

F02P 5/103 ・・・・{dependent on the combustion-air pressure in engine}

F02P 5/106 ・・・・・{Combustion-air pressure devices combined with other specific conditions (with centrifugal devices F02P 5/075)}

F02P 5/12 ・・・・dependent a specific pressure other than that of combustion-air, e.g. of exhaust, cooling fluid, lubricant

F02P 5/14 ・・・dependent on specific conditions other than engine speed or engine fluid pressure, e.g. temperature

F02P 5/142 ・・・・{dependent on a combination of several specific conditions (F02P 5/075, F02P 5/106 takes precedence)}

F02P 5/145 ・・using electrical means

F02P 5/1455 ・・・{by using a second control of the closed loop type (dependent on pinking F02P 5/152)}

F02P 5/15 ・・・digital data processing

F02P 5/1502 ・・・・{using one central computing unit}

F02P 5/1504 ・・・・・{with particular means during a transient phase, e.g. acceleration, deceleration, gear change (during starting F02P 5/1506)}

F02P 5/1506 ・・・・・{with particular means during starting}

F02P 5/1508 ・・・・・{with particular means during idling}

F02P 5/151 ・・・・・{with means for compensating the variation of the characteristics of the engine or of a sensor, e.g. by ageing}

F02P 5/1512 ・・・・・{with particular means concerning an individual cylinder}

F02P 5/1514 ・・・・・{with means for optimising the use of registers or of memories, e.g. interpolation}

F02P 5/1516 ・・・・・{with means relating to exhaust gas recirculation, e.g. turbo}

F02P 5/1518 ・・・・{using two or more central computing units, e.g. interpolation}

F02P 5/152 ・・・・dependent on pinking (detecting or indicating knocks in internal-combustion engines G01L 23/22)

F02P 5/1521 ・・・・・{with particular means during a transient phase, e.g. starting, acceleration, deceleration, gear change}

F02P 5/1522 ・・・・・{with particular means concerning an individual cylinder}

F02P 5/1523 ・・・・・{with particular laws of return to advance, e.g. step by step, differing from the laws of retard}

F02P 5/1525 ・・・・・{with means for compensating the variation of the characteristics of the pinking sensor or of the electrical means, e.g. by ageing (when variation of characteristics results only from incorrect functioning F02P 5/1526)}

F02P 5/1526 ・・・・・{with means for taking into account incorrect functioning of the pinking sensor or of the electrical means}

F02P 5/1527 ・・・・・{with means allowing burning of two or more fuels, e.g. super or normal, premium or regular}

F02P 5/1528 ・・・・・{for turbocompressed engine}

F02P 5/153 ・・・・dependent on combustion pressure

F02P 5/155 ・・・Analogue data processing

F02P 5/1551 ・・・・{by determination of elapsed time with reference to a particular point on the motor axle, dependent on specific conditions}

F02P 5/1553 ・・・・{by determination of elapsed angle with reference to a particular point on the motor axle, dependent on specific conditions}

F02P 5/1555 ・・・・・{using a continuous control, dependent on speed}

F02P 5/1556 ・・・・・{using a stepped control, dependent on speed}

F02P 5/1558 ・・・・{with sepcial measures for starting}

F02P 5/16 ・characterised by the mechanical transmission between sensing elements or personal controls and final actuating elements

F02P 7/00 Arrangements of distributors, circuit-makers or -breakers, {e.g. of distributor and circuit-breaker combinations} or pick-up devices (advancing or retarding ignition or control therefor F02P 5/00; such devices per se, see the relevant classes of Section H, e.g. rotary switches H01H 19/00, contact-breakers, distributors H01R 39/00, generators H02K)

F02P 7/02 ・of distributors

F02P 7/021 ・・{Mechanical distributors}

F02P 7/022 ・・・{Details of the distributor rotor or electrode}

F02P 7/023 ・・・{with magnetically controlled mechanical contacts}

F02P 7/025 ・・・{with noise suppression means specially adapted for the distributor}

F02P 7/026 ・・・{Distributors combined with other ignition devices, e.g. coils, fuel-injectors}

F02P 7/027 ・・・・{combined with centrifugal advance devices}

F02P 7/028 ・・・・{combined with circuit-makers or -breakers (and with centrifugal advance devices F02P 7/027)}

F02P 7/03 ・・with electrical means (ignition occuring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders F02P 15/08)

F02P 7/035 ・・・{without mechanical switching means}

F02P 7/04 ・・having distributors with air-tight casing

F02P 7/06 ・of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle

F02P 7/061 ・・{pick-up devices without mechanical contacts (F02P 7/067 to F02P 7/077 take precedence)}

F02P 7/063 ・・Mechanical pick-up devices, circuit-makers or -breakers, e.g. contact-breakers

F02P 7/0631 ・・・{Constructional details of contacts}

F02P 7/0632 ・・・{with rotary contacts}

F02P 7/0634 ・・・{Details of cams or cam-followers}

F02P 7/0635 ・・・{with means to set the breaker gap}

F02P 7/0637 ・・・{with several circuit-makers or -breakers actuated by the same cam}

F02P 7/0638 ・・・{with noise suppression means specially adapted for the breakers}

F02P 7/067 ・・Electromagnetic pick-up devices, {e.g. providing induced current in a coil}

F02P 7/0672 ・・・{using Wiegand effect}

F02P 7/0675 ・・・{with variable reluctance, e.g. depending on the shape of a tooth}

F02P 7/0677 ・・・{Mechanical arrangements}

F02P 7/07 ・・・Hall-effect pick-up devices

F02P 7/073 ・・Optical pick-up devices

F02P 7/077 ・・Circuits therefor, e.g. pulse generators

F02P 7/0775 ・・・{Electronical verniers}

F02P 7/08 ・・having air-tight casings

F02P 7/10 ・Drives of distributors or of circuit-makers or -breakers

F02P 9/00 Electric spark ignition control, not otherwise provided for

F02P 9/002 ・{Control of spark intensity, intensifying, lengthening, suppression (by means of current control in the storage devices F02P 3/05, F02P 3/09, during starting F02P 15/12)}

F02P 9/005 ・・{by weakening or suppression of sparks to limit the engine speed}

F02P 9/007 ・・{by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug, e.g. plasma jet ignition}

F02P 11/00 Safety means for electric spark ignition, not otherwise provided for

F02P 11/02 ・Preventing damage to engines or engine-driven gearing

F02P 11/025 ・・{Shortening the ignition when the engine is stopped (to prevent damage to the coil F02P 3/0556)}

F02P 11/04 ・Preventing unauthorised use of engines (of vehicles B60R 25/04; ignition locks H01H 27/00)

F02P 11/06 ・Indicating unsafe conditions

F02P 13/00 Sparking plugs structurally combined with other parts of internal-combustion engines ({connection of ignition coil to spark plug connector F02P 3/02}; with fuel injectors F02M 57/06; {spark plug connectors per seH01T 13/04 to H01T 13/06; predominant aspects of sparking plug, seeH01T 13/40 to H01T 13/44}; predominant aspects of the parts, see the relevant subclasses)

F02P 15/00 Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P 1/00 to F02P 13/00{and combined with layout of ignition circuits (not combined F02B, F02C, F02G, F02K)}

F02P 15/001 ・{Ignition installations adapted to specific engine types (ignition of jet propulsion plants F02K 9/95; for rotary piston engines F02B 53/12)}

F02P 15/003 ・・{Layout of ignition circuits for gas turbine plants (ignition of gas turbine plants per seF02C 7/26)}

F02P 15/005 ・・{Layout of ignition circuits for rotary- or oscillating piston engines (ignition of those engines per seF02B 53/12)}

F02P 15/006 ・{Ignition installations combined with other systems, e.g. fuel injection (to advance or to retard the ignition spark F02P 5/045)}

F02P 15/008 ・{Reserve ignition systems; Redundancy of some ignition devices}

F02P 15/02 ・Arrangements having two or more sparking plugs

F02P 15/04 ・one of the spark electrodes being mounted on the engine working piston

F02P 15/06 ・the electric spark triggered by engine working cylinder compression

F02P 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

F02P 15/10 ・having continuous electric sparks

F02P 15/12 ・having means for strengthening spark during starting

F02P 17/00 Testing of ignition installations, e.g. in combination with adjusting (testing fuel injection apparatus F02M 65/00; testing ignition installations in general F23Q 23/00); Testing of ignition timing in compression-ignition engines

F02P 17/02 ・Checking or adjusting ignition timing

F02P 17/04 ・・dynamically

F02P 17/06 ・・・using a stroboscopic lamp

F02P 17/08 ・・・using a cathode-ray oscilloscope (17/06 takes precedence)

F02P 17/10 ・Measuring dwell or antidwell time

F02P 17/12 ・Testing characteristics of the spark, ignition voltage or current (testing of sparking plugs H01T 13/60)

F02P 19/00 Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition

F02P 19/02 ・electric, e.g. layout of circuits of apparatus having glowing plugs

F02P 19/021 ・・{characterised by power delivery controls}

F02P 19/022 ・・・{using intermittent current supply}

F02P 19/023 ・・・{Individual control of the glow plugs}

F02P 19/025 ・・{with means for determining glow plug temperature or glow plug resistance}

F02P 19/026 ・・{Glow plug actuation during engine operation}

F02P 19/027 ・・{Safety devices, e.g. for diagnosing the glow plugs or the related circuits}

F02P 19/028 ・・{the glow plug being combined with or used as a sensor}

F02P 19/04 ・non-electric, e.g. heating incandescent spots by burners (use of burners for direct ignition F02P 21/00)

F02P 21/00 Direct use of flames or burners for ignition

F02P 21/02 ・the flames being kept burning essentially external to engine working chambers

F02P 21/04 ・Burning-cartridges or like inserts being arranged in engine working chambers (as starting aid F02N 17/02)

F02P 23/00 Other ignition

F02P 23/02 ・Friction, pyrophoric, or catalytic ignition

F02P 23/04 ・Other physical ignition means, e.g. using laser rays

F02P 23/045 ・・{using electromagnetic microwaves}

F02P 2017/00 Testing of ignition installations, e.g. in combination with adjusting (testing fuel injection apparatus F02M 65/00; testing ignition installations in general F23Q 23/00); Testing of ignition timing in compression-ignition engines

F02P 2017/003 ・using an inductive sensor, e.g. trigger tongs

F02P 2017/006 ・using a capacitive sensor

F02P 2017/12 ・Testing characteristics of the spark, ignition voltage or current (testing of sparking plugs H01T 13/60)

F02P 2017/121 ・・by measuring spark voltage

F02P 2017/123 ・・Generating additional sparks for diagnostics

F02P 2017/125 ・・Measuring ionisation of combustion gas, e.g. by using ignition circuits

F02P 2017/126 ・・・for burners

F02P 2017/128 ・・・for knock detection