275results about "Installations with induction energy storage" patented technology

An ignition diagnostic system and method for evaluating and optimizing the ignition performance of internal combustion engines (ICEs), such as those that burn hydrogen (H2) and / or other fuels. According to one example, the ignition diagnostic system and method use an artificial intelligence (AI) model with one or more machine learning (ML) algorithm(s) to identify, predict and / or otherwise evaluate abnormal combustion events, and to provide such information to an electronic control unit (ECU) in real-time. The ECU, in turn, can make combustion-related modifications to one or more components of the ignition system to optimize performance. By integrating the AI model into the ignition diagnostic system and method, a fast and simplified solution is provided that can be implemented across a wide variety of ICEs, including those that burn alternative fuels, where detecting abnormal combustion events and monitoring combustion-related parameters can be important.

The utility model discloses an electric field combustion-supporting jet ignition device and an ammonia fuel engine, and relates to the technical field of internal combustion engines, the electric field combustion-supporting jet ignition device comprises a jet device, an auxiliary electrode, a spark plug and an ammonia sprayer, the jet device comprises a jet device main body and a jet nozzle, and the jet device main body is connected with the jet nozzle to form a pre-combustion chamber; the pre-combustion chamber is communicated with the main combustion chamber; the auxiliary electrode comprises a pre-combustion chamber auxiliary electrode and a main combustion chamber auxiliary electrode, the auxiliary electrode is connected with the control unit through an electrical circuit, and an electric field is formed in the pre-combustion chamber and the main combustion chamber; the spark plug is electrically connected with the control unit through an electrical circuit; and the ammonia spraying device is used for spraying ammonia gas into the pre-combustion chamber through a nozzle outlet of the ammonia spraying device, the ammonia gas is fully mixed with air in the pre-combustion chamber, the mixed gas is ignited at an ignition electrode of the spark plug under the action of an electric field, and the ammonia mixed gas in the main combustion chamber is ignited. Electric field combustion supporting is applied to the jet ignition device, and the combustion reaction rate and the flame propagation speed are increased.

An ignition coil assembly with internal diagnostic features that can be used to monitor and evaluate different aspects of an ignition system and provide continuous feedback. The ignition coil assembly may be a coil-on-plug type device that converts low-voltage battery power into high-voltage ignition pulses, and may include several input terminals, an ignition coil with primary and secondary windings, ignition circuitry, an output terminal, a spark plug connector, and a housing. The ignition circuitry includes an ignition operational circuit and an ignition diagnostic circuit, which in turn has a charging evaluation circuit for monitoring a charging phase, a discharging evaluation circuit for monitoring a discharging phase, and a feedback integration circuit for combining outputs into a multiplexed digital signal that can then be sent to an engine control unit (ECU) or the like over a single output terminal.

An ignition coil of a non-equal-thickness iron core structure comprises a shell, a low-voltage head is arranged on the upper portion of the shell, a high-voltage sheath assembly is installed on the lower portion of the shell, a coil assembly is transversely arranged in the shell and filled with epoxy resin, the low-voltage head is located at one end of the coil assembly, and an ignition module is arranged in the shell and close to the low-voltage head. The coil assembly comprises a T-shaped iron core, a primary framework arranged outside the T-shaped iron core in a sleeving mode, a secondary framework arranged outside the primary framework in a sleeving mode, a first C-shaped iron core and a second C-shaped iron core, the first C-shaped iron core and the second C-shaped iron core are arranged outside the secondary framework in a surrounding mode, and the first C-shaped iron core and the second C-shaped iron core are oppositely combined together to form an O shape and are connected to the end of the T-shaped iron core. The thickness of the first C-shaped iron core and the thickness of the second C-shaped iron core are larger than that of the T-shaped iron core. As the C-shaped iron core assembly and the T-shaped iron core are of a non-equal-thickness structure, the T-shaped iron core is thin, so that the space of primary and secondary framework structures on the periphery of the iron core is saved, and the requirement for the electrical performance function of the coil is met.

To prevent backfire of an engine due to unintended discharging in an ignition plug at low cost, without generating a positive voltage during ignition coil charging, in a spark ignition hydrogen engine.SOLUTION: A control device of a spark ignition hydrogen engine sends, to an igniter of an ignition device, a main discharge ignition signal to ignite hydrogen mixture, and an auxiliary discharge ignition signal to reduce an open-circuit voltage of a secondary coil during an intake stroke compared to an open-circuit voltage at the end of main discharge. Therefore, it is possible to set the open-circuit voltage during the intake stroke to the minimum value of a breakdown voltage in the spark ignition hydrogen engine to prevent backfire of the engine.SELECTED DRAWING: Figure 8

To provide an ignition control device for an internal combustion engine and an ignition control method for the internal combustion engine capable of suppressing abnormal discharge of an ignition plug without requiring addition of components in the internal combustion engine using hydrogen as fuel.SOLUTION: An ignition control device 100 for an internal combustion engine is for a four-cycle internal combustion engine 1 using hydrogen as fuel. The ignition control device includes: an ECU 10 that generates an ignition signal on the basis of an operating state of the internal combustion engine 1 including a crank angle of the internal combustion engine 1; and an ignition device 31 that sparks an ignition plug 30 of the internal combustion engine 1 on the basis of the ignition signal. As the ignition signals, the ECU 10 generates a first ignition signal for sparking the ignition plug 30 in a compression stroke or an expansion stroke of the internal combustion engine 1 and a second ignition signal for sparking the ignition plug 30 for a valve opening period of an exhaust valve 3b of the internal combustion engine 1.SELECTED DRAWING: Figure 2

An ignition coil assembly with internal diagnostic features that can be used to monitor and evaluate different aspects of an ignition system and provide continuous feedback. The ignition coil assembly may be a coil-on-plug type device that converts low-voltage battery power into high-voltage ignition pulses, and may include several input terminals, an ignition coil with primary and secondary windings, ignition circuitry, an output terminal, a spark plug connector, and a housing. The ignition circuitry includes an ignition operational circuit and an ignition diagnostic circuit, which in turn has a charging evaluation circuit for monitoring a charging phase, a discharging evaluation circuit for monitoring a discharging phase, and a feedback integration circuit for combining outputs into a multiplexed digital signal that can then be sent to an engine control unit (ECU) or the like over a single output terminal.

To prevent generation of noise to realize stable operation of a device.SOLUTION: A semiconductor device 1 has a semiconductor switch 1a and a control circuit 1b. The control circuit 1b is driven by a voltage of a signal ct for instructing ON / OFF of the semiconductor switch 1a as a power source. The semiconductor switch 1a is, for example, an IGBT. The control circuit 1b also comprises an extraction circuit 1b1 (first extraction circuit), and an extraction circuit 1b2 (second extraction circuit). The extraction circuit 1b1 extracts a gate charge from a gate of the semiconductor switch 1a with a first sink capability when an instruction to turn off the semiconductor switch 1a is detected from the signal ct. The extraction circuit 1b2 extracts the gate charge with a second sink capability higher than the first sink capability when a voltage generated from a collector voltage of the semiconductor switch 1a is equal to or higher than a predetermined voltage.SELECTED DRAWING: Figure 1

The utility model discloses an intelligent penholder type ignition coil which comprises a penholder type shell (a top inner cavity is provided with a circuit board with a chip, and a penholder part comprises an iron core, a framework, a coil winding and a high-pressure connector), and the outer wall of the shell is provided with an annular limiting sleeve for controlling the distance between the chip and a cylinder body; the outer wall of the penholder part is sleeved with a grounded stainless steel sleeve (shielding signal interference), a top inner cavity is provided with a heat insulation plate (a circuit board is mounted on the heat insulation plate, and a heat insulation pad is arranged therebetween); and the steel sleeve is provided with a matched limiting opening (positioning after insertion, and heat dissipation holes are formed in the outer wall). The environment temperature of the chip is reduced through the heat insulation structure, the steel sleeve shields signal interference and assists in heat dissipation, the problems of chip high-temperature damage, signal interference and insufficient heat insulation in the prior art are solved, and the reliability of an ignition system is improved.

The utility model relates to the technical field of ignition coils, in particular to a high-conversion ignition coil for a motorcycle, which comprises a shell, a mounting ring arranged on the upper surface of the shell, positive and negative pole connectors arranged on two sides of the middle of the upper surface of the mounting ring, an iron core arranged in the middle of the inner bottom surface of the shell, and a plurality of expansion discs uniformly sleeved on the outer surface of the upper end of the iron core. The expansion discs are all of an iron structure and are integrally manufactured with the iron core, the lower portion of the outer surface of the iron core is sleeved with a secondary coil, the outer surface of the secondary coil is sleeved with a primary coil, the two ends of the primary coil are each provided with a wire, and the other ends of the wires are connected with the positive connector and the negative connector respectively. A plurality of resistors are installed on the outer surface of a wire connected with the input end of the primary coil in parallel. The device is reasonable in design, normal output of coil energy can be guaranteed while coil energy loss is reduced, loss of output and converted coil energy is reduced, and then the ignition performance of the ignition coil is improved.

An ignition system (2) for controlling spark generation of a sparkplug (4) in a combustion engine, comprising an electronic circuit (6) comprising an ignition coil (8) including a primary winding (10), and a secondary winding (12) across which the sparkplug (4) is connectable, a voltage source (14) configured to supply energy to said primary winding (10), and a control unit (16) configured to control said spark generation including to initiate spark generation and thereby enter a spark initialization mode. Upon receipt of a breaktrough detection signal (20), the control unit (16) is configured to terminate the spark initialization mode and to enter a spark maintenance and control mode, to control and maintain the spark by controlling the current of the spark to follow a preset value, and to maintain the duration of the spark until a predetermined time period has lapsed. When the predetermined time period has lapsed, the control unit generated a spark termination control signal (22) to be applied to said electronic circuit (6) to terminate the spark and thereby enter a spark termination mode.

A spark plug (38) includes: a spark plug housing (40); a cathode (62) including at least one electrode fork (64) and formed primarily of iridium; and an anode (72) formed at least predominantly of iron or steel. The material composition of the cathode and anode provides extended spark plug service life, especially in high power density applications employing pre-chamber spark plugs. Related methods are also disclosed.

The invention discloses a multi-ignition device which comprises a long-strip-shaped shell, a plurality of ignition coils arranged on the lower side face of the shell and a circuit board arranged in the shell, a connecting plug is fixed to the upper side face of the shell, and the connecting plug is connected with an external vehicle controller so as to receive multi-ignition signals. The circuit board is connected between the connecting plug and the ignition coils so as to drive the ignition coils to conduct multiple times of ignition after receiving multiple times of ignition signals. According to the multi-time ignition device, multi-time ignition signals of the external vehicle controller are received through the connecting plug, the ignition coil is driven through the circuit board to achieve multi-time ignition, the ignition efficiency and stability are improved, and the multi-time ignition device meets the complex working condition requirements of a vehicle engine.

A system and method for operating an ignition system. An ignition transformer has primary and secondary windings. A spark apparatus is connected with the secondary windings of the ignition transformer. One or more characteristics of a spark generated by the spark apparatus is provided. An electronic control unit is adapted to control the ignition transformer, such that, based on an identification of the spark using the one or more characteristics and the spark reference data, the electronic control unit sends control signals to the ignition transformer to modify the one or more characteristics of the spark. Modification of the one or more characteristics may occur in a same spark cycle as measurement of the one or more characteristics.

To provide an ignition coil in which an increase in size is suppressed while excellent ignitability is realized.SOLUTION: In an ignition coil 2 according to an embodiment, a first outer peripheral iron core 36o of a first coil set 10 and a second outer peripheral iron core 50o of a second coil set 20 have a common portion 58. A direction of a magnetic flux generated in the common portion 58 when a current flows through a first primary coil 32 of the first coil set 10 is opposite to a direction of the magnetic flux generated in the common portion 58 when the current flows through a second primary coil 46 of the second coil set 20 in a second direction. The direction of an induced current generated in a first secondary coil 34 when the current of the first primary coil 32 is cut off at an output port 28 is the same as the direction of the induced current generated in a second secondary coil 48 when the current of the second primary coil 46 is cut off at the output port 28.SELECTED DRAWING: Figure 2

Spark plug for a spark-ignition engine. Spark plug (10) for a spark-ignition engine comprising: - a first electrode (1), - a second electrode (2), - a third electrode (13), - a fourth electrode (23), - a first inter-electrode gap (14) located between the first electrode (1) and the third electrode (13), - a second inter-electrode gap (24) located between the second electrode (2) and the fourth electrode (23), and - a base (8), particularly in the lower part of the spark plug, the third and fourth electrodes (13, 23) forming part of the base (8). Figure for the abbreviation: 1

An ignition coil includes a joint part that is formed of a tubular elastic body. The join part has a distal end mounted to an ignition plug arranged in a plug hole having a bend, and a proximal end mounted to a coil main body part arranged at a proximal-side entrance part of the plug hole which has a greater inner diameter than the bend. On an outer circumferential surface of a main tubular portion opposed to the bend, there are formed first ribs each extending along an axis of the joint part. On an outer circumferential surface of a proximal-side tubular portion, there are formed second ribs each extending along the axis of the joint part. When viewed along the axis of the joint part, a maximum value of a first rib diameter and a maximum value of a second rib diameter satisfy the relationship of d2 > d1.

As a control device for a spark-ignition hydrogen engine, an ignition signal for a main discharge for igniting a hydrogen mixture and an ignition signal for a sub-discharge for making an open-circuit voltage of a secondary coil during an intake stroke lower than an open-circuit voltage at the end of the main discharge are transmitted to an igniter of an ignition device. As a result, the open-circuit voltage of the intake stroke is set to the minimum value of the insulation breakdown voltage in the spark-ignition hydrogen engine, thereby preventing engine backfire.

The utility model belongs to the technical field of ignition coils, in particular to an ignition coil with a grounding shell, which comprises a shell, the right side of the shell is movably contacted with an ignition coil body, the right side of the shell is provided with a groove, the inner wall of one side of the groove is provided with a conducting strip, and the conducting strip is provided with two clamping grooves. The shell is fixed to a vehicle frame, the movable rod is pulled to compress the spring, the movable rod drives the clamping pin to move, then the pin on the ignition coil body is inserted into the clamping groove in the conducting strip, the ignition coil body drives the connecting block to be inserted into the connecting groove, and when the left side of the ignition coil body is in contact with the right side of the shell, the connecting block is inserted into the connecting groove. At the moment, the pulling force on the moving rod is released, the spring in the compressed state is reset, and the spring drives the clamping pin to be clamped with the fixing groove through the moving rod under the action of the elastic force of the spring, so that the shell and the ignition coil body are fixed, the connection operation is simple and convenient, and good electrical connection can be ensured.

The utility model relates to the technical field of ignition coils, and discloses a one-piece pen type ignition coil which comprises a body, a connecting base installed at the front end of the body, a socket installed in the middle of the connecting base, a connecting rod installed at the rear end of the body, and a spark plug installed at the rear end of the connecting rod. The connecting block can be driven to move, so that the body is driven to adjust the position, the position limitation is avoided, the flexibility is achieved, and the position limitation is avoided; heat in the body can be dissipated through the heat dissipation openings, the body is prevented from being affected by high temperature, and therefore the service life is prolonged, ceramic can ensure that good insulating performance and mechanical strength can still be kept in a high-temperature environment, the interior of the body is insulated through the insulating silica gel layer, the anti-pollution performance of the surface of the body can be improved through the anti-pollution layer, and the service life of the body is prolonged. Shell aging is avoided, short circuit or electric leakage is prevented, and the ignition effect and the performance of the internal combustion engine are not affected.

The invention discloses an engine ignition control method and a related device, and relates to the technical field of engine control. The engine ignition control method comprises the steps that the actual water content of methanol fuel of a target engine is obtained; adjusting the ignition energy of an ignition coil according to the actual water content so as to perform ignition control on the target engine; wherein the ignition energy of the ignition coil is in positive correlation with the actual water content. The water content of the methanol fuel of the engine can be measured in real time, then the ignition energy of the ignition coil is adjusted according to the water content, the higher the water content of the methanol fuel is, the larger the corresponding ignition energy of the ignition coil is, and therefore the relatively rarefied methanol fuel can be successfully ignited; therefore, stability of combustion in an engine cylinder is guaranteed, and engine power is improved.

The utility model provides a kind of ignition device, gas engine and production equipment, it is related to engine technical field, the ignition device includes primary coil, secondary coil, first magnetic element, second magnetic element, voltage monitoring coil and voltage indication module, wherein: primary coil and secondary coil are coupled by first magnetic element, and the number of turns of primary coil is less than the number of turns of secondary coil;Secondary coil and voltage monitoring coil are coupled by second magnetic element, and the number of turns of voltage monitoring coil is less than the number of turns of secondary coil;Voltage indication module is connected with voltage monitoring coil, voltage indication module is used to receive the first output voltage of voltage monitoring coil, and the size of the second output voltage of secondary coil is indicated according to first output voltage.The utility model can directly monitor the actual output voltage of ignition coil, improve voltage fluctuation monitoring precision and reliability under engine dynamic condition, reduce fault false alarm rate.

A method for igniting a motor vehicle combustion engine is implemented by an electronic control unit of an ignition circuit of a motor vehicle combustion engine, the ignition circuit including a transformer, including a primary coil and a secondary coil, and a spark plug electronically connected to the secondary coil of the transformer, the primary coil being capable of charging, and capable of discharging into the secondary coil, the discharge duration of the primary coil being predefined, the spark plug being capable of generating a spark during the discharging of the primary coil into the secondary coil, the method including: a) a step of requesting to start a combustion cycle of the engine; a first phase referred to as “generating a main spark”; and c) a second phase referred to as “generating at least one subsidiary spark”.

To provide a technique which can prevent an electric discharge in an ignition plug at an unexpected timing.SOLUTION: An ignition device 1 for an internal combustion engine using a fuel containing hydrogen has an ignition coil 103 including a primary coil L1 and a secondary coil L2, a power supply device 102, a switching element 70, an ignition plug 113, and a limiting diode 114. The switching element 70 make a switch to carrying or interrupting a primary current flowing to the primary coil L1. The ignition plug 113 discharges electric at a gap d on the basis of a high voltage inducted at one end 822 of the secondary coil L2. The limiting diode 114 is a zener diode or an avalanche diode having a forward direction from the one end 822 of the secondary coil L2 to the other end 821. A breakdown voltage of the limiting diode 114 is larger than a maximum value of a voltage in ON, which is calculated by multiplying a direct current voltage value applied to one end 811 of the primary coil L1 by a ratio of a winding number of the secondary coil L2 to a winding number of the primary coil L1.SELECTED DRAWING: Figure 1

The motorcycle ignition coil comprises a box body and a box cover, the upper surface of the box body is open, and the box cover is installed on the upper surface of the box body through fastening bolts. A central block is arranged in the center of the inner bottom surface of the box body, a circular peripheral plate is arranged on the periphery of the central block, and a plurality of primary winding magnetic cores and secondary winding magnetic cores which are arranged in a circumferential shape are arranged on the surface of the peripheral plate. According to the spark plug, small current flows through the primary wire coil, large current flows through the secondary wire coil through the transformation amplification effect of the primary winding magnetic core and the secondary winding magnetic core and flows into the spark plug, heat generated by electrifying the primary wire coil and the secondary wire coil can rapidly enter cooling liquid, and the cooling liquid can be rapidly cooled. Heat accumulation can be avoided, the cooling effect is good, and the safety is higher in the power-on working process of the primary wire coil and the secondary wire coil.

An ignition coil assembly with internal diagnostic features that can be used to monitor and evaluate various aspects of an ignition system and provide continuous feedback. The ignition coil assembly can be a coil-on-plug type device that converts low-voltage battery current into high-voltage ignition pulses, and it can include multiple input terminals, an ignition coil with primary and secondary windings, an ignition circuit, an output terminal, a spark plug connector, and a housing.The ignition circuit includes an ignition operating circuit and an ignition diagnostic circuit, which in turn includes a charge evaluation circuit for monitoring a charging phase, a discharge evaluation circuit for monitoring a discharge phase, and a feedback integration circuit for combining outputs into a multiplexed digital signal, which can then be sent via a single output connection to an engine control unit (ECU) or the like.

To prevent the occurrence of backfire and preignition of an internal combustion engine due to unintended spark discharge of an ignition plug without generating positive voltage when charging an ignition coil.SOLUTION: The ignition device includes the ignition coil that generates a high voltage in the secondary coil 53 by interrupting the current of the primary coil 52, the igniter that conducts and interrupts the current flowing through the primary coil 52, the spark plug that is connected to the secondary coil 53 and generates the spark discharge in the combustion chamber, and the control unit 2 that sends the ignition signal of the main discharge for igniting the air-fuel mixture in the combustion chamber and the ignition signal of the sub-discharge to the igniter 54 when the residual energy amount in the ignition system from the ignition coil to the spark plug after the main discharge is larger than the predetermined threshold value.SELECTED DRAWING: Figure 3

Method comprising: iterative estimation of an ignition coil temperature; Updating the iteratively estimated ignition coil temperature based on each of heat transfer from the engine to the ignition coil, internal resistance heating of the ignition coil, and heat transfer from the environment to the ignition coil; and Charging an ignition coil over a dwell time determined based on each of an engine temperature, an ambient temperature and a dwell time of a last spark ignition, wherein the internal resistance heating of the ignition coil is estimated based on a last determined residence time, an average residence time current and a primary coil resistance.