35results about "Installations with capacitive energy storage" patented technology

The invention provides a motorcycle ignition auxiliary system which comprises a high-energy ignition module, an intelligent ignition time control module, a high-reliability electronic element module, a strong anti-interference module, an intelligent integration and communication module, a compatibility adaptation module and a fault diagnosis and early warning module. Through close cooperative work of all the modules, the ignition performance and reliability are remarkably improved, the ignition time and energy can be accurately controlled, the system adapts to various working conditions and environments, the anti-interference capacity is enhanced, intelligent data interaction and decision making are achieved, all kinds of added equipment are effectively compatible, faults are accurately diagnosed and early warned, and remote maintenance is supported; the power performance, the economical efficiency, the stability, the intelligent level, the use convenience and the safety of the motorcycle are greatly improved, a solid guarantee is provided for high-performance operation and personalized modification of the motorcycle, the technological development of modern motorcycles and multiple requirements of users are met, and the technological progress and the product upgrading of the motorcycle industry are powerfully promoted.

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 plasma generating system having an igniter or other plasma generator for use in low pressure environments, such as occurs in aviation. Combustion is initiated with an electrode configuration having a large usable area of electrodes for high current plasma discharge over a longer length of the electrodes, resulting in a long useful life of the plasma generator. The plasma generation system includes circuitry that generates and propagate plasma along the electrodes by a Lorentz force and a thermal force using high currents that move the plasma along the electrodes without causing a destructive material state change in the electrodes.

The invention relates to an ignition circuit, in particular to a double-cylinder combined type ignition circuit and an igniter. Comprising a module connector and a plurality of charging and discharging circuits connected with the module connector, the charging and discharging circuit comprises a control circuit, a power switch circuit and a discharging trigger circuit which are connected with the module connector, and a charging circuit and a discharging circuit which are respectively connected with the power switch circuit and the discharging trigger circuit, and the discharging circuit is connected with the charging circuit and the spark plug; the control circuit receives an ignition driving signal and controls the power switch circuit to boost the power supply voltage, and the boosted power supply voltage charges the charging circuit; the discharge trigger circuit receives the ignition driving signal and controls the discharge circuit to supply power to the spark plug. According to the double-cylinder composite ignition circuit provided by the invention, low input voltage (DC12V) is realized, the single-path ignition energy can reach 120mJ, the requirements of an engine under specific working conditions can be met, and the defect that the discharge ignition energy of a traditional capacitor is small is overcome.

The application discloses a multi-electrode continuous discharge spark discharge generating device, and relates to the field of aero-engine ignition. The spark discharge generating device comprises an ignition circuit and a multi-electrode spark plug. The multi-electrode spark plug comprises a metal shell and a plurality of central high-voltage electrodes arranged in the metal shell. The application matches the design parameters of the multi-electrode spark plug with the non-uniformity coefficient of the electric field in the ignition end face, and designs the ignition circuit, so that the maximum value of the delay difference between the breakdown time of two adjacent discharges is less than the arc duration time, the continuous discharge of the multiple electrodes is realized, the arc flame energy is higher, the contact area of the ignition arc and the mixed fuel is larger, the combustion in the combustion chamber is more uniform, the misfire rate of the spark plug is effectively reduced, and the operation reliability of the engine is improved.

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.

A plasma generation system includes a plasma generator such as an igniter and circuitry configured to apply a breakdown voltage across electrodes of the plasma generator to thereby form a plasma in an initiation region between the electrodes and then sustain and propagate the plasma outwardly for purposes such as combustion of a fuel. Various electrode configurations may be utilized that, along with plasma generating circuitry, enable the formation of virtual electrodes extending from the distal ends of the electrodes, resulting in a projection of plasma well beyond the physical electrodes. Such plasma generators may be used in various aerospace applications where only a short service life of the plasma generator is needed. Included are various techniques and components for enabling disconnection of the plasma generator from the system following ignition.

For this ignition device, a fuel including hydrogen is used. The ignition device includes an ignition coil, a spark plug, a power supply device, a switching element, a first limiting diode, and a first resistor. Two first connecting wires are laid in parallel between the one end of the secondary coil and the spark plug. The first limiting diode is interposed in one first connecting wire and is forward-biased when oriented in a direction from one end to the other end of the secondary coil. The first limiting diode has a breakdown voltage that is equal to or higher than a maximum value of an ON-state voltage, and is lower than a discharge maintaining voltage of the spark plug. The first resistor is interposed in the other first connecting wire and has a resistance value of 10 MΩ or higher and of 50 MΩ or lower.

A linear electromechanical system comprising: a stator comprising at least a first stator electronic circuit and a second stator electronic circuit or circuit set; a free piston mover movable in a reciprocating manner relative to the stator. The free piston comprising: a piston surface; a transducer configured such that an electromagnetic force is applicable on the free piston mover by one or more of the stator electronic circuits or one or more of the circuit set; and one or more transducer electronic circuits. The system further comprising a switching device for each of the first stator electronic circuit and the second stator electronic circuit or each of the circuit set, such that the current in each of the first stator electronic circuit and the second stator electronic circuit or each of the circuit set is independently controllable, and wherein at least one of the transducer electronic circuits is configured to receive power from at least one of the independently controllable stator electronic circuits or at least one of the circuit set during at least part of a stroke of the free piston mover.

The aircraft piston engine magneto has a magnetic rotor and an ignition circuit with a reconfigurable charge coil inductively coupled to the magnetic rotor. The charge coil is inductively powered by the magnetic rotor and includes multiple coils that are electronically reconfigurable from a high-turn, low-current power coil for use during low-speed operation to a low-turn, high-current power coil for high-speed operation. The charge coil is configured to a high-turn coil by electronically connecting multiple coils in series or a low-turn power coil by electronically connecting coils in parallel. The ignition circuit is a fully electronically controlled ignition circuit that uses only non-mechanically operated electrical components within the magneto to generate and distribute ignition pulses to the piston engine spark plugs.

Discharge switching device (108), which includes: a comparator section (210) configured to compare an input voltage value with a reference voltage value; and a trigger section (212) configured to discharge stored energy when the input voltage value exceeds the reference voltage value, characterized by the fact that the discharge switching device (108) further comprises a temperature compensation diode (220) which is configured to reduce a change in the reference voltage value; the trigger section (212) comprises a trigger device and a discharge device; wherein the trigger device includes a trigger metal oxide semiconductor field effect transistor (MOSFET) (222) and a trigger transformer (216).

An engine ignition system can include a multifunction controller, and an exciter operatively connected to the multifunction controller. The multifunction controller can be configured to control the exciter to output an ignition voltage. The multifunction controller can be configured to perform at least one other engine control function.

An ignition system (2) for controlling spark generation by a spark plug (4) in an internal combustion engine, the ignition system (2) comprising an electronic circuit (6) comprising an ignition coil (8) comprising a primary winding (10) and a secondary winding (12) on which the spark plug (4) is connected, a voltage source (14) configured to supply energy to said primary winding (10), and a control unit (16) arranged to control the ignition coil (8). The control unit (16) is configured to control the spark generation, including initiating spark generation and thus entering a spark initialization mode. Upon receipt of the breakdown 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 spark current to follow a preset value, and to maintain the duration of the spark until a predetermined time period elapses. When a predetermined time period has elapsed, the control unit generates a spark termination control signal (22) applied to the electronic circuit (6), thereby terminating the spark and thereby entering a spark termination mode.

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.

Ignition device for triggering an ignition spark (11) at a spark plug (8) of an internal combustion engine, the crankshaft (6) of which is driven by a piston (4) reciprocating between a bottom dead center (UT) and a top dead center (OT), - in particular for a two-stroke engine in a hand-held implement, - consisting of a pole wheel (12) driven in rotation by the crankshaft (6) of the internal combustion engine, and the pole wheel (12) has two permanent magnets (20, 22) arranged at a distance (23) from one another in the circumferential direction, with a magnetic yoke (13) fixedly arranged on the pole wheel circumference - with a charging coil (16) charging an ignition capacitor (30), a primary coil (17) and a secondary coil (18) connected to the spark plug, - wherein, via one revolution of the pole wheel (12), the yoke (13) is magnetically closed in a first rotation angle range (25) around the top dead center (OT) of the piston (4) via a permanent magnet (20) and in a second rotation angle range (27) around the bottom dead center (UT) of the piston (4) via the second permanent magnet (22), - wherein a voltage is induced in each of the coils (16, 17, 18), and in order to trigger an ignition spark (11) in the first rotation angle range (25), the ignition capacitor (30) is discharged via a switching element (34), wherein the switching element (34) is controlled by an ignition control unit (33), characterized in that - that a device (40) is provided for reducing the voltage applied to the spark plug (8), which is active in the second rotation angle range of the pole wheel (12) and causes a reduced voltage, - and the device (40) comprises a switching element (36, 37, 38) which is controlled by a control unit (35).

Disclosed is a high-voltage ignition device for automobiles that can avoid generating high temperatures, comprising a generator, a charger electrically connected to the generator, a lithium battery pack electrically connected to the charger, an ignition switch electrically connected to the lithium battery pack, an ignition coil electrically connected to the ignition switch, a distributor electrically connected to the ignition coil, a high-voltage package electrically connected to the distributor, and spark plugs electrically connected to the high-voltage package; the voltage of the lithium battery pack is higher than the voltage of the generator, and a control switching device is provided between the ignition coil and the distributor. The invention can achieve long-term constant high-voltage ignition, making the fuel burn more fully, the power is more powerful, and the fuel consumption is reduced at the same time, and the economy is better.

For this ignition device, a fuel including hydrogen is used. The ignition device includes an ignition coil, a spark plug, a power supply device, a switching element, a first limiting diode, and a first resistor. Two first connecting wires are laid in parallel between the one end of the secondary coil and the spark plug. The first limiting diode is interposed in one first connecting wire and is forward-biased when oriented in a direction from one end to the other end of the secondary coil. The first limiting diode has a breakdown voltage that is equal to or higher than a maximum value of an ON-state voltage, and is lower than a discharge maintaining voltage of the spark plug. The first resistor is interposed in the other first connecting wire and has a resistance value of 10 MΩ or higher and of 50 MΩ or lower.

An ignition coil with controllable ignition voltage and ignition energy comprises a direct-current power source E, an ignition switch K and a first switch element which are sequentially connected with a primary coil L1, a secondary coil L2 is in gap coupling with a spark plug, and an energy storage unit is further connected in a loop of the primary coil L1 in parallel. One end of the energy storage unit is connected with the ignition switch K, and the other end is connected with the first switch element. According to the ignition coil, capacitance energy storage ignition and inductance energy storage ignition TCI are combined, ignition energy of the capacitance energy storage ignition and ignition energy of the inductance energy storage ignition TCI are overlapped, ignition high voltage is generated through the capacitance energy storage ignition, ignition energy is generated through the inductance energy storage ignition, and therefore the ignition voltage and the ignition energy can be controlled respectively. And therefore, excellent ignition characteristics are formed. And different ignition energies can be obtained by controlling the charging current of the primary coil, so that the requirements of the engine on the ignition energies under different working conditions are met.

An ignition system (1) is disclosed configured to generate an ignition current. The ignition system (1) comprises a supply line (4), an ignition coil (5), a charge capacitor (C) connected to the supply line (4) and to the ignition coil (5), a generator (7) configured to generate an alternating current in the supply line (4), and a boost circuit (8) electrically connected to the supply line (4). The boost circuit (8) comprises a switch assembly (9) controllable to a second state in which current is drawn from the supply line (4) into the boost circuit (8). The ignition system (1) further comprises a thyristor (11) controllable to an open state to trigger generation of the ignition current. The ignition system (1) further comprises a control arrangement (21) configured to control the switch assembly (9) to the second state when the thyristor (11) is controlled to the open state. The present disclosure further relates to an internal combustion engine (2) and a handheld power tool (3).

This patent application discloses an electronic circuit (101) for controlling the spark of a spark plug (SP1) in a capacitor discharge ignition system (100) of an internal combustion engine. The electronic circuit (101) includes: an ignition coil (110) arranged to supply current to the spark plug (SP1); an ignition capacitor (C1) arranged to supply energy to a primary winding (L1); a voltage source (130) arranged to supply energy to at least one of the ignition capacitor (C1) and the primary winding (L1); a first switch (SW1) connected to a first primary terminal (TL1) and a first power supply terminal (TS1); a second switch (SW2) connected to a second capacitor terminal (TC2) and a second power supply terminal (TS2); and a third switch (SW3) connected to the second capacitor terminal (TC2) and the first power supply terminal (TS1). A capacitor discharge ignition system (100) including the above-mentioned electronic circuit (101) and an internal combustion engine including the capacitor discharge ignition system (100) are also disclosed.

The invention provides an outboard engine CDI ignition circuit, and belongs to the technical field of ignition circuits, the ignition circuit comprises a magneto, a rectification unit, a high voltage capacitor C1, an ignition unit and a rotation speed control unit; the output end of the magneto is connected with the rectifying unit, the output end of the rectifying unit is connected with the first end of the high-voltage capacitor C1, the second end of the high-voltage capacitor C1 is connected with the ignition unit, and the rotating speed control unit is connected with the second end of the high-voltage capacitor C1 and the ignition unit. The rectifying unit converts alternating current output by the magneto into direct current and supplies power to the high-voltage capacitor C1. The second end of the high-voltage capacitor C1 is connected with an ignition unit, and the ignition unit is used for controlling discharge of the high-voltage capacitor C1 so as to control ignition; the ignition circuit adopts pure hardware, so that the technical problems of high software development time cost and high microprocessor cost are solved.

A linear electro-mechanical system comprising: a stator including at least first and second stator electronic circuits or groups of circuits; a free piston mover movable in a reciprocating motion relative to the stator, the free piston including: a piston surface; a translator configured so that an electromagnetic force may be applied on the free piston mover by one or more of the stator electronic circuits or groups of circuits; and one or more translator electronic circuits, the system further comprising a switching device for each of the first and second stator electronic circuits or groups of circuits such that the current in each of the first and second stator electronic circuits or groups of circuits is independently controllable, and wherein at least one of the translator electronic circuits is configured to receive power from at least one of the independently controlled stator electronic circuits or groups of circuits during at least part of the stroke of the free piston mover.

A linear electromechanical system comprises a stator 5 having first and second electronic circuits 35 in which current is independently controlled by respective switching devices 36; and a free piston

The utility model provides an alternating-current ignition system with low rotating speed and high energy. The alternating-current ignition system comprises a magneto driven by an engine to rotate, the boosted circuit comprises a driving chip and a switching tube, and the driving chip controls on and off of the switching tube to oscillate a charging coil in the magnetor, so that the voltage output by the magnetor is boosted; the input end of the control module is electrically connected with the trigger signal output end of the magneto, and the control module outputs an ignition control signal according to the trigger signal; the ignition control circuit comprises an ignition capacitor, the charging end of the ignition capacitor is electrically connected with the alternating current output end of the magneto, and the control end of the ignition capacitor is connected with the ignition control signal output end of the control module; after the ignition control circuit receives an ignition control signal output by the control module, the ignition capacitor discharges to the ground, and ignition is achieved. The ignition energy of the alternating current igniter is improved, and the ignition stability of the alternating current igniter is improved.

A linear electro-mechanical system comprising: a stator including at least first and second stator electronic circuits or groups of circuits; a free piston mover movable in a reciprocating motion relative to the stator, the free piston including: a piston surface; a translator configured so that an electromagnetic force may be applied on the free piston mover by one or more of the stator electronic circuits or groups of circuits; and one or more translator electronic circuits, the system further comprising a switching device for each of the first and second stator electronic circuits or groups of circuits such that the current in each of the first and second stator electronic circuits or groups of circuits is independently controllable, and wherein at least one of the translator electronic circuits is configured to receive power from at least one of the independently controlled stator electronic circuits or groups of circuits during at least part of the stroke of the free piston mover.

In accordance with at least one aspect of this disclosure, a method can include controlling firing of an exciter of an engine with an electronic controller separate from the exciter as a function of at least one excitation command from the electronic controller and at least one feedback signal from the exciter operatively connected to the electronic controller.

To provide a technology for converging at an early stage the residual energy that resides in the vicinity of an ignition plug and the like at the end of discharge.SOLUTION: An ignition device 1 for an internal combustion engine using fuel containing hydrogen, includes: an ignition coil 103; a power source device 102; a switching element 70 for switching conduction / breakdown of a primary current; an ignition plug 113 for discharging based on a high voltage induced at one end 822 of a secondary coil L2; a first restriction diode 131; and a first resistance 132. Two first connection lines 121a, 121b are wired in parallel between one end 822 of the secondary coil L2 and the ignition plug 113. The first restriction diode 131 is inserted into the first connection line 121a in a forward direction from one end 822 to another end 821 of the secondary coil L2. A breakdown voltage is a maximum value or more of ON voltage and smaller than a discharge maintaining voltage of the ignition plug 113. The first resistance 132 is inserted into the first connection line 121b with a resistance value of 10 MΩ or more to 50 MΩ or less.SELECTED DRAWING: Figure 1

A direct-current power generation system integrated with an ignition function relates to the technical field of generator control and comprises an engine, a generator and a control circuit module, the output end of the engine is connected with the input end of the generator, and the control circuit module is electrically connected with the engine and the generator; a high-voltage pack is integrated on the engine, the output end of the generator is connected with a control circuit module through a rectifier bridge unit, the rectifier bridge unit comprises a microcontroller, the microcontroller is electrically connected with an isolation voltage dividing unit and an ignition control unit, and the microcontroller isolates operation control of the voltage dividing unit and the ignition control unit. The first output end of the isolation voltage division unit is used for supplying power to the input end of the ignition control unit, the second output end of the isolation voltage division unit is used for supplying power to the microcontroller, and the output end of the ignition control unit is electrically connected with a high-voltage pack on an engine. And the production cost of the generator is reduced.