200results 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.

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.

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 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.

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

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

A method of detecting the breakdown voltage between the electrodes of a spark plug connected to an ignition coil for a cylinder ignition system, in an internal combustion engine, comprises a detection of an opening of the switch (105) on the primary winding (102) and a detection of a voltage on that primary winding (102), with the generation of a first signal (V1) representative of the voltage trend following the opening of the switch (105). The first signal (V1) is then integrated and, following an identification of a breakdown at the ends of the spark plug (106), a breakdown voltage value is determined as a function of the value of the integrated signal at the time of the breakdown.

A high-pressure sheath special for a natural gas engine of a commercial vehicle comprises a high-pressure connecting rod made of plastic materials, a high-pressure sheath body made of Teflon materials and a cylinder head cover sealing cover made of silicone rubber materials, the high-pressure sheath body is connected to the lower end of the high-pressure connecting rod in a sleeved mode, and the cylinder head cover sealing cover is connected to the upper end of the high-pressure connecting rod in a sleeved mode. A high-pressure spring is installed in the high-pressure connecting rod and the high-pressure sheath in the longitudinal direction, the top end of the high-pressure spring is fixed to the upper end of the high-pressure connecting rod through a high-pressure connecting bolt, and a sheath sealing ring is installed in the high-pressure sheath and surrounds the periphery of the lower end of the high-pressure spring. The cylinder head cover sealing cover is provided with a labyrinth type exhaust path so that ionized gas in the spark plug well can be exhausted under the sealed condition. The spark plug effectively reduces product surface corrosion caused by corona discharge, adopts a labyrinth exhaust route, ensures that ozone in a spark plug well can be smoothly discharged, can ensure relative sealing performance, prevents external moisture from immersing, and prevents corrosion insulation.

A prechamber device for facilitating a combustion reaction within a combustion chamber of an internal combustion spark-ignition gasoline engine includes a prechamber body, first and second electrodes, an insulation, first and second electrode terminals, a spark plug, and a prechamber head. The prechamber body includes orifices and at least partially contains the combustion reaction. The insulation insulates the first electrode and the second electrode from the prechamber body. The first electrode terminal receives a first amount of power and the second electrode terminal receives a second amount of power from an energy storage device. The first and second electrode terminals deliver the power to the first electrode and the second electrode that generate the electric field. The spark plug generates an ignition arc to initiate the combustion reaction. The prechamber head retains a position of the spark plug and closes off a first end of the prechamber body.

The application discloses a double-piston direct-current scavenging type free-piston internal combustion linear generator, which comprises two combustion chambers arranged on the left and right sides of the linear generator, and piston mover assemblies reciprocating in the left and right combustion chambers; the top of the combustion chamber is provided with a controllable electromagnetic exhaust valve, an electronic spark igniter and an oil nozzle; the middle of the combustion chamber is attached with corresponding radiating fins; the bottom of the combustion chamber is connected with a corresponding scavenging chamber; the linear generator is provided with corresponding stator coil windings, linear Hall elements, piston assemblies and permanent magnets attached to the piston assemblies. The double-piston direct-current scavenging type free-piston internal combustion linear generator utilizes the direct-current scavenging technology, improves the scavenging quality of the existing free-piston internal combustion linear generator, changes the structure of the original piston assembly, and avoids the piston from impacting the combustion chamber cylinder cover or misfire caused by the change of external load when the system is running.

This utility model discloses a core structure for a high-energy ignition coil used in automobiles, including a core structure installed inside the ignition coil housing. The core structure comprises a magnetic sheet, a primary coil, a secondary coil, and a toroidal core. The magnetic sheet is embedded in the primary coil, which is interference-fitted into the secondary coil. The toroidal core simultaneously surrounds both the primary and secondary coils and is tightly fitted to the magnetic sheet. The end of the primary core furthest from the magnetic sheet is tightly fitted against the toroidal core. The closed magnetic circuit structure of the toroidal core concentrates the magnetic field almost entirely within the core, resulting in minimal magnetic leakage, uniform magnetic field distribution, low magnetic reluctance, and high magnetic flux density. This leads to high energy conversion efficiency, minimal energy loss, and the efficient energy conversion capability enables the ignition coil to generate higher secondary voltage and stronger spark energy. It is suitable for lean-burn and high-performance engines, ensuring reliable ignition and better fuel economy.

The utility model relates to the technical field of motor vehicle accessories, and specifically discloses a waterproof and dustproof protection type ignition coil, which comprises an ignition coil body, a protective cover is installed on the outer ring surface of the ignition coil body, a lower end of the protective cover is provided with a matching cover, and a sealing cover is hingedly connected to the upper end of the protective cover. In the utility model, the casing, the matching cover and the protective cover form a relatively sealed space, and the ignition coil body is located in the space, which effectively plays a waterproof and dustproof effect on the sealing element of the ignition coil body, thereby avoiding damage to the sealing element of the ignition coil body caused by external water and dust. In addition, the upper side of the protective cover is provided with a sealing cover, so that the upper end of the ignition coil body can be sealed and protected by the sealing cover, thereby avoiding damage to the upper end device and bolts of the ignition coil body caused by external dust and water, and further improving the service life and stability of the ignition coil when used in harsh environments.

The invention discloses a multi-time ignition module capable of adjusting the ignition energy level and a multi-time ignition control method. The multi-time ignition module comprises a power supply module, an ECU input signal processing module, a primary current sampling module, a secondary voltage sampling module, an MCU processing module and an ignition IGBT. According to the multi-time ignition control method, in one ignition control period, after an ignition control signal sent by an ECU is received, whether multi-time ignition is started or not is judged firstly, if not, only single-time ignition is executed, and if yes, whether energy-level-free control multi-time ignition or energy-level-adjustable multi-time ignition is executed continues to be judged. In the energy-level-adjustable multi-time ignition mode, the control signals of the corresponding levels are output to the ignition IGBT according to the different stages of the T2 pulse width parameter so as to control the primary side current of the ignition coil, and then the ignition coil can conduct different-energy-level control during multi-time ignition, so that the fuel oil combustion rate is increased, tail gas emission is reduced, the engine power is improved, and the energy-level-adjustable multi-time ignition mode is achieved. The service life of the ignition coil is prolonged.

The invention relates to the technical field of engine ignition coils, in particular to an ultrahigh-energy ignition coil, a control system, an engine, a vehicle and a method, and the ultrahigh-energy ignition coil comprises a magnetic core assembly, a wire, a primary winding and a secondary winding; the primary winding comprises a first primary coil and a second primary coil which are connected in parallel to a wire, current flows through the primary coils to establish a magnetic field, and the magnetic field is coupled to the secondary winding through the magnetic core assembly; the secondary winding comprises a first secondary coil and a second secondary coil which are connected in parallel to a wire, and can sense target voltage in a magnetic field and output corresponding ignition current to a spark plug. Therefore, the problems that in the prior art, ignition energy improvement is limited, and higher use requirements are difficult to meet are solved.

To provide a drive circuit capable of preventing malfunction of a transistor that drives a load.SOLUTION: A drive circuit includes: a transistor having a power source side electrode to which an inductive load is connected, a ground side electrode and a control electrode; a first resistor connected to the control electrode; a line connected to the first resistor; a second resistor provided between the line and a ground; a first diode that has a cathode connected to the line and an anode and is connected in parallel with the second resistor; and a second diode having a cathode connected to the line and an anode. A capacitor in which a voltage for driving the transistor is generated is connected to the anode of the second diode.SELECTED DRAWING: Figure 3