Testing characteristics of the spark, ignition voltage or current (F02P17/12)

Aircraft engines capacitive ignition system control device // 2614388
FIELD: transport.SUBSTANCE: invention relates to field of transport and can be used for combustible mixtures ignition by means of electric spark, in particular in capacitive ignition systems for ignition system control, installed on aircraft engine, for ignition system technical condition evaluation in intervals between aircraft engines start-ups. Aircraft engines capacitive ignition system control device includes discharge current sensor, comparator, discharge current amplitude voltage check value setting device, time interval meter, actuator. Discharge current sensor output is connected to comparator first input, discharge current amplitude voltage check value setting device output is connected to comparator second input. Time interval meter output is connected to actuator. Control device additionally includes ambient environment pressure measuring transducer, containing serially connected ambient environment pressure sensor, amplifier, ambient environment pressure control voltage setting device, second comparator, univibrator, logical device "AND". Ambient environment pressure measuring transducer output is connected to second comparator first input. Ambient environment pressure control voltage setting device output is connected to second comparator second input, comparator output is connected to univibrator input, which output and second comparator output is connected to logical device "AND", by output connected to time interval meter input.EFFECT: technical result is increasing of aircraft engines capacitive ignition system serviceability control reliability.1 cl, 1 dwg

ethod of control over engine cylinder // 2573093
FIELD: engines and pumps.SUBSTANCE: control over engine cylinder including the ignition plug consists in decreasing of the cylinder load in response to advance ignition caused by deterioration in ignition plug parameters. Fuel-air mix is enriched in the cylinder in response to advance ignition caused by deterioration in ignition plug parameters.EFFECT: higher accuracy of determination of deterioration in ignition plug parameters.6 cl, 3 dwg

Control over aircraft engine capacitive ignition system // 2558751
FIELD: aircraft engineering.SUBSTANCE: proposed method comprises measurement of time interval between sequential reservoir capacitor discharge current pulses running to spark plug and caused solely by switching of power stored at said capacitor and exceeding the preset check magnitude. Measured time interval is compared with preset time interval which describes the minimum repetition rate of spark discharge in the plug spark gap. Simultaneously, absence of the plug coaxial shielding ceramic insulator outer surface glow through slot is controlled, slot being made in plug body parallel with its axis. In operation of ignition system its serviceability is continuously defined. This is performed by the absence of the plug coaxial shielding ceramic insulator outer surface glow and difference between measured time interval and preset time interval which describes the minimum repetition rate of spark discharge in the plug spark gap.EFFECT: higher validity of control.3 dwg

easurement device in radio frequency ignition system // 2478825
FIELD: electrical engineering.SUBSTANCE: invention relates to a measurement device, comprising the following components: radio frequency ignition power supply circuit (2) containing a transformer (T) the secondary winding whereof (LN) is connected to at least of resonator (1) having resonance frequency in excess of 1 MHz and containing two electrodes (11, 12) designed so that to enable spark generation when an ignition command is given; measuring capacitor (Cmesure) placed in series between the secondary winding and the resonator; circuit (DIFF) for measurement of current (Iion) of gases ionisation during burning inside a cylinder of the internal-combustion engine linked to the resonator. The said measurement circuit is connected to the measuring capacitor contacts and/or - circuit (RED) for measurement of voltage (Vout) on the resonator electrodes contacts when an ignition command is given. The circuit is connected to the measuring capacitor contacts.EFFECT: possibility of simultaneous measurement of ionisation current and voltage.8 cl, 4 dwg

Plasma radio frequency generator // 2474723
FIELD: engines and pumps.SUBSTANCE: proposed device comprises voltage generator 5 and ignition unit 9 including ignition plug 4 and switch 7 arranged between plug feed terminal and generator output. Switch 7 allows connecting voltage generator output with said ignition plug 4 in response to command signal VI. Device comprises electronic control unit UC to generate said command signal VI. Said electronic control unit UC comprises means M to measure magnitudes characterising generator output voltage variations in time and device A to vary current voltage and/or frequency depending upon magnitudes set by said measuring means. Generator output voltage variation describes health of ignition plug (new or worn-out).EFFECT: control over quality of plug spark.9 cl, 2 dwg

Diagnostic of contamination state of plugs of radio frequency ignition system // 2461730
FIELD: electricity.SUBSTANCE: device for radio frequency ignition includes control aids (5) designed with possibility of ignition control signal (VI) generation, power circuit (2) controlled by ignition control signal (VI) for power voltage supply to output interface (OUT) of power circuit at frequency determined by control signal, at least one resonator (1) of plasma generation connected to output interface of power circuit and designed with possibility of spark generation between two electrodes (10, 12) of ignition of the resonator during ignition command. This device includes means (6) for measuring of electrical parameter characterising change of resonator power voltage, module (7) for determination of state of electrodes contamination depending on measured electrical parameter and predetermined control value.EFFECT: enhancing diagnostics of contamination state of radio-frequency coil-plug electrodes.11 cl, 4 dwg

Ion current measurement method for ignition plug with resonance structure and respective measurement device // 2439363
FIELD: electricity.SUBSTANCE: ignition plug (BR) is connected to generator (GEN) containing variable capacitor. The above generator includes also polarisation tools (MPOL) with option of ignition plug (BR) polarisation, which are connected between generator (GEN) and ignition plug (BR), and measurement instruments (MMES) for measurement of ion current at ignition plug (BR), which are connected between variable capacitor (Cb) and chassis ground.EFFECT: improvement of measurement accuracy.8 cl, 6 dwg

ethod of determining test discharge parametres of capacitive ignition systems // 2394170
FIELD: physics.SUBSTANCE: method of determining test discharge parametres of capacitive ignition systems which consist of an ignition assembly, ignition cable and a spark plug, involves picking up a discharge current and voltage signal and determination of values of discharge parametres. The discharge current and voltage signal is picked up using analogue sensors. The current and voltage signals are picked up in auxiliary "short circuit" and "test load" modes, as well as in the main operation mode of the ignition system. Measurements are taken in digital form with given sampling frequency. Values of characteristic primary parametres are distinguished from measurement results. Values of intermediate parametres are determined for each assigned measurement mode using the obtained values of characteristic primary parametres. Values of test discharge parametres are determined using the obtained values of intermediate parametres.EFFECT: possibility of measuring primary discharge parametres in digital form, picked up by analogue current and voltage sensors, more accurate measurement, obtaining information on efficiency of the spark plug and ignition system, discharge mode and energy factors and their change during operation or during an experiment.3 dwg

Ice ignition device // 2367813
FIELD: engines and pumps.SUBSTANCE: proposed invention relates to automotive ICE ignition devices. Proposed ignition device comprises ignition plug insulance recorders, anti-carbon devices, those to record the state of aforesaid anti-carbon devices and those to reveal conduction carbon deposits on ignition plug. With insulance falling below preset magnitude, engine is switched over to conditions allowing increasing ignition plug temperature. At aforesaid temperature, plug insulator cleaning of carbon deposit is intensified, the intensification process being recorded. With anti-carbonisation process readings exceeding preset ones and insulance below designed magnitude, increased carbon deposition is revealed and decided upon. In aforesaid case, light alarm signal on necessity of servicing ignition plug is issued.EFFECT: intensification of carbon deposit removal from ignition plug.10 cl, 8 dwg

A method of measuring ionic conductivity // 2242632
The invention relates to the field of engine construction and can be used for diagnostics and control of internal combustion engines

The device control system health ignition and adjustment fuel system of gas turbine engine // 2236019
The invention relates to electrical engineering, in particular to devices for measuring the parameters of the spark discharge in the spark plugs
 
2550999.
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