123results about How to "Increase ignition energy" patented technology

Heat transfer compositions are usable in their own right or are suitable as a replacement for existing refrigeration usages. The compositions possess a reduced Greenhouse Warming Potential, yet have a capacity and energy efficiency (which may be conveniently expressed as the “Coefficient of Performance”) ideally within 20% of the values of those attained using R-134a, and preferably within 10% or less (e.g. about 5%) of these values.

The present invention relates to methods for producing nanoparticle and microparticle powders of a biologically active material which have improved powder handling properties making the powders suitable for commercial use using dry milling processes as well as compositions comprising such materials, medicaments produced using said biologically active materials in particulate form and / or compositions, and to methods of treatment of an animal, including man, using a therapeutically effective amount of said biologically active materials administered by way of said medicaments.

Disclosed is an elongating arc plasma jet ignition device. A swirler is fixed to the bottom of an inner cavity of a shell; a positive pole is located in the shell and fixedly connected with the swirler; the lower end of an insulation sleeve is installed in a central hole of the swirler, and an air chamber is formed in the gap between the outer peripheral surface of the middle of the insulation sleeve and the inner surface of the shell. A negative pole is embedded on a negative pole installation base, and the arc end of the negative pole extends out of the lower end of the insulation sleeve to be located in the positive pole. An arcing distance 2-8 mm long is kept between the arc end of the negative pole and a nozzle of the positive pole; an air inlet pipe is located at the upper end of the shell and communicated with the space of the air chamber formed between the insulation sleeve and the shell. The taper angle beta of the arc end of the negative pole is 40 degrees. The taper angle alpha of a contraction section of the positive pole is 60-90 degrees. Eight swirling holes with the spiral angle of 45 degrees are evenly distributed in an end surface of the swirler, and work media passing through the swirler generate swirling flow. The elongating arc plasma jet ignition device has the advantages of being high in flame spreading speed, high in penetrating power and rich in active air plasma.

A mixture-charged gas engine includes at least one cylinder. A combustion chamber delimited by a cylinder head, a cylinder wall, and a piston, which can be moved in the cylinder, is arranged in the at least one cylinder, and the combustion chamber is divided into a main combustion chamber and at least one pre-chamber fluidically connected to the main combustion chamber via at least one firing channel. An air- / combustion gas mixture can be supplied to the main combustion chamber via an inlet valve during an intake stroke of the piston. The mixture-charged gas engine is characterized in that a separate combustion gas supply is provided for the at least one pre-chamber.

The invention discloses a high-speed gas-electric arc composite thermal spraying method and a spray gun used in the same. The thermal spraying method comprises the following steps: igniting an annular high-speed jet oil-gas mixed flow obtained by mixing kerosene and compressed air by virtue of an air plasma ignition manner; continuously burning the oil-gas mixed flow fully, accelerating to form a supersonic gas and then spraying to a wire material; and electrifying the wire material for arc starting and melting, atomizing and accelerating the wire material under the action of the supersonic gas jet flow, and depositing on the surface of a to-be-sprayed part to form a coating layer. On the basis of the thermal spraying method disclosed by the invention, the wire material subjected to arc melting can be used for realizing efficient spraying on the surface of the to-be-sprayed part under the action of the low-oxygen-content supersonic gas formed when the compressed air supports the combustion of kerosene, and an obtained spray coating layer is good in quality.

The invention discloses a sustained arc high energy electrostatic igniter and a control method thereof, belonging to the technical field of electronic igniters. The electrostatic igniter comprises a charging circuit, an ignition circuit, a sustained arc circuit and a leakage circuit. The charging circuit comprises a first power supply and a second power supply; the ignition circuit comprises a high-voltage capacitor C1, a starting switch S1 and an electrode; the sustained arc circuit comprises a low-voltage capacitor C2, a sustained arc inductor L and an electrode; and the leakage circuit comprises a leakage resistor R and a leakage switch S4. High-voltage capacitor is adopted to replace an igniter of a traditional circuit, and the high-voltage capacitor C1 is adopted to discharge so as topuncture air between electrodes, therefore, the energy released by generated electric spark can be up to more than 8000J currently, and the ignition energy of traditional electric igniter is improved; the diode in a traditional sustained arc circuit is removed, an inductance component L is placed in the sustained arc circuit, thereby preventing high-voltage pulse generated by the ignition circuitfrom being connected in the sustained circuit in series, so that the air between the electrodes can not be punctured. Compared with the traditional way, the invention is safer, more convenient and more reliable.

The invention discloses a low temperature plasma ignition device for an internal combustion engine. The low temperature plasma ignition device comprises a medium plate in a sheet shape and arranged on the bottom of a combustion chamber of the internal combustion engine, a sensing electrode in a sheet shape and arranged on one side of the medium plate, and a discharging electrode arranged on the other side of the medium plate and electrically connected with a high pressure ignition coil. The invention further discloses an internal combustion engine comprising an air cylinder and any one low temperature plasma ignition device disposed in the air cylinder. The low temperature plasma ignition device can discharge along a dielectric surface and achieve quick and large scale ignition for a gasoline engine; inflammable hybrid gas can quickly burn; energy use and emission can be reduced, so contribution is made to haze elimination; and strong automobile power is provided and an energy-saving emission-reduction novel gasoline engine with advanced combustion technology is created.

The invention discloses a pre-combustion chamber structure of a fuel gas engine. The pre-combustion chamber structure of the fuel gas engine comprises a high-voltage guide wire sleeve, a pre-combustion chamber body, a spark plug, a one-way valve and a spray nozzle, wherein the lower end of the pre-combustion chamber body is provided with a pre-combustion chamber upper cavity; a spark plug mountinghole is formed in one side above the pre-combustion chamber upper cavity; a one-way valve mounting hole is formed in the other side above the pre-combustion chamber; the one-way valve mounting hole communicates with the pre-combustion chamber upper cavity through a gas inlet channel; the high-voltage guide wire sleeve is fixedly arranged at the upper end of the pre-combustion chamber body; the upper end of the spray nozzle is provided with a pre-combustion chamber lower cavity; the spray nozzle is arranged at the lower end of the pre-combustion chamber body; the pre-combustion chamber lower cavity and the pre-combustion chamber upper cavity of the pre-combustion chamber body define a pre-combustion chamber cavity; and the lower end of the spray nozzle is provided with a spray channel which communicates with the pre-combustion chamber lower cavity. The pre-combustion chamber structure of the fuel gas engine forms relatively great ignition energy through combustion of a high-concentration natural air mixture to ignite the relatively thin gas mixture in a primary combustion chamber, so that the purpose of improving power and heating efficiency of the whole machine is achieved.

The invention provides a gas turbine high-energy plasma igniter. The plasma igniter comprises an ignition exciter unit and a matched plasma generator, wherein, the ignition exciter unit comprises a control relay, a transformation isolating circuit, an oscillating impulse circuit, an arc maintenance follow current module and a high voltage transformer; the plasma generator comprises a fitting seat, a centre shaft, an insulator, a cathode and an anode; in the invention, ignition efficiency is improved given the set plasma ignition energy and the electrode is fully cooled, thus prolonging the service life thereof. On the contrary, as the cooling effect is improved, plasma ignition energy can be increased, so that low grade fuel such as heavy oil and the like can be ignited under even worse conditions. Meanwhile, the position of a screw hole can be just adjusted to replace the previous igniter, and judging from the situation, the plasma igniter of the invention has numerous advantages and is more functional.

The invention relates to a secondary insensitive type electric igniter(an electric igniter for short) adopting direct current ignition. The electric igniter consists of six parts, namely an electric ignition head, an ignition medicament, a sealing plate, an insulating sleeve, a tube and an insulating bushing, wherein the electric ignition head consists of a lead wire, an electrode plug, an igniter wire and a head medicament; the electric ignition head, the insulating sleeve, the sealing plate and the ignition medicament are arranged in the tube; anti-static discharging holes are formed in the lead wire of the electric ignition head; the insulating bushing sleeves the lead wire and a cylinder on the end face of the tube. According to the electric igniter, by the adoption of the new ignition medicament, the new head medicament and the improved medicament accommodating space, the optimization of the igniter wire structure and the improvement on the technology, the technical requirements on the resistance, the insulating resistance, the safety current, the ignition current, the burst degree and the static electricity prevention of the electric igniter and the requirement on energy output are met.

The invention discloses a large-cylinder-diameter gas engine turbulent jet ignition system, a gas supply system and method, and the turbulent jet ignition system comprises a pre-combustion chamber which forms a spatial umbrella-shaped distributed ignition source in a main combustion chamber through a plurality of fluid passages; a sparking plug which is arranged on the pre-combustion chamber and used for igniting mixed gas in the pre-combustion chamber; a pre-combustion chamber gas injection valve which is connected with the pre-combustion chamber through a gas conveying pipeline and a one-way valve and used for injecting auxiliary gas into the pre-combustion chamber in a timed and quantitative mode. The gas supply system comprises a controller and the turbulent jet ignition system, and the controller is used for controlling gas supply of the pre-combustion chamber and fuel supply of the gas inlet channel of the main combustion chamber. Accurate stratified combustion can be formed between the pre-combustion chamber and the main combustion chamber; turbulent jet flow generated by mixed combustion in the pre-combustion chamber can form umbrella-shaped ignition source distribution in the main combustion chamber, the flame propagation distance is effectively shortened, and the combustion speed of mixed gas in the main combustion chamber is increased.

The invention discloses a high-energy ignition coil. Both a primary coil and a secondary coil are wound on an iron core, the primary coil, the secondary coil and the iron core form a transformer, a switch controlled by an ECU (electronic control unit) is arranged on a circuit of the primary coil, one electrode of a spark plug is connected with one end of the secondary coil, and the other electrode of the spark plug is grounded, a vehicular power supply supplies power for the primary coil through a direct-current booster, direct-current voltage outputted by the vehicular power supply is boosted and then outputted by the direct-current booster, the other end of the secondary coil is connected with the direct-current booster or grounded through a reversely connected diode, and a current maintaining device is parallelly connected with the secondary coil and a serial branch circuit of the spark plug and maintains continuous conduction of the spark plug after the spark plug is conducted. The conduction time of the spark plug can be randomly adjusted by the ignition coil, so that ignition energy can be improved, the primary coil is connected by the aid of high voltage, and energy conversion efficiency is improved.

The invention provides an ultralow-concentration gas machine combustion system and a control method thereof. The ultralow-concentration gas machine combustion system comprises an air exhaust turbocharging device, an ultralow-concentration gas pressurizing inlet device, a diesel common-rail micro-jet ignition device, a diesel injector cooling circulation device, an EMS control unit and a pluralityof cylinders, wherein the air exhaust turbocharging device can improve the air inlet pressure and efficiency, the ultralow-concentration gas pressurizing inlet device can improve the gas inlet densityto meet the requirements of different loads for a high-pressure gas flow rate, and the diesel injector cooling circulation device decreases the combustion temperature of an injector under a high loadand greatly lowers the probability that the ejector burns down or gets stuck. Under the combined action of all the devices, normal ignition and normal combustion based on the ultralow-concentration gas machine combustion system are realized, and normal starting and operating of a gas machine are ensured.

The invention belongs to the technical field of engines, and relates to a lean burn engine and an automobile. The lean burn engine comprises a water spraying system and an electric control unit, wherein the water spraying system comprises air flue water sprayers, pressure sensors and a water supply device; the air flue water sprayers are connected with the water supply device through water pipes;the pressure sensors are used for detecting the pressure values of the water pipes and sending the pressure values to the electric control unit; the air flue water sprayers are arranged on air inlet channels of air cylinders of the engine and spray water to the air inlet channels; the electric control unit is in signal connection with the air flue water sprayers and the pressure sensors; and whenthe engine is in different work conditions, the pressure values of the water pipes change, the pressure sensors send corresponding signals to the electric control unit according to the different pressure values of the water pipes, and the electric control unit controls the air flue water sprayers to adjust the water spraying amount. According to the lean burn engine, the electric control unit controls the air flue water sprayers to adjust the water spraying amount according to different engine work conditions (loads), and efficient clean combustion of the engine is achieved.

The invention discloses a high-voltage shunt circuit for an ignition system. The high-voltage shunt circuit comprises a drive unit and a plurality of thyristors, wherein the drive unit comprises a square-wave generator, an MOSFET drive chip, an MOSFET and a plurality of rectifier circuits; an input end of the square-wave generator is electrically connected with an ECU; an output end of the square-wave generator is electrically connected with the input end of the MOSFET drive chip; the MOSFET is connected with the MOSFET drive chip and the rectifier circuits respectively; each thyristor corresponds to one rectifier circuit; all thyristors are sequentially connected with one another in series; input ends of the thyristors are connected with a high-voltage energy storage device; and output ends are connected with a secondary coil of an ignition coil in the ignition system. The plurality of thyristors are connected in series to form the high-voltage shunt circuit with a higher withstand voltage, so that the problem of high-voltage shunting of a high-energy ignition system with the high-voltage energy storage device can be solved.

The invention relates to a fuel preparation and supply system and method for an active pre-combustion chamber. The system mainly comprises a conventional fuel supply system and a fuel-air mixed gas preparation and supply system; the conventional fuel supply system comprises an oil tank, a fuel oil pipeline, a low-pressure oil pump, a high-pressure oil pump, an oil nozzle, a combustion chamber andan oil tank one-way valve; and the fuel-air mixed gas preparation and supply system comprises an oil tank, a fuel oil pipeline, a low-pressure oil pump, an oil nozzle, a premixing chamber, a gas pump,a pressure regulating valve, a fuel gas nozzle, a premixing chamber spark plug, a combustion chamber, a premixing chamber oil return one-way valve, a premixing chamber gas inlet one-way valve and a premixing chamber one-way valve. The invention further discloses a fuel preparation and supply method for the active pre-combustion chamber. The fuel preparation and supply system for the active pre-combustion chamber is simple in structure, and meanwhile the effects of optimizing combustion, improving emission, saving fuel and the like can be achieved.

The invention belongs to the technical field of a structural design of a gasification furnace, in particular to an integral gasification furnace ignition device, which comprises a high energy igniter (1), a fuel nozzle (2), an oxygen nozzle (3), a water jacket (4), an oxygen delivery pipe (7), a central pipe (11), a flame detector (12), an igniter power supply connecting piece (13), a flange end seat (14) and a fuel delivery pipe (15), wherein the high energy igniter (1), the fuel nozzle (2), the oxygen nozzle (3) and the water jacket (4) are coaxially sleeved from inside to outside; the high energy igniter (1) is in cup joint with the central pipe (11) so as to be used as a flame detecting opening; the speed and the flow of fuel are controlled through a chute on the fuel nozzle (2); the speed and the flow of oxygen required by combustion of a nozzle are controlled by holes on the oxygen nozzle (3); the high energy igniter power supply (13) is conducmmunicated with the high energy igniter (1); and the water jacket (4) is used for cooling protection. The integral gasification furnace ignition device can be used for realizing stable ignition under pressurization condition.

The present invention relates to an ignition system for an internal combustion engine having an ignition device that requires a high voltage (ignition voltage) for igniting the ignition spark. Two ignition coils (14 and 16) are provided, whose secondary windings (20, 24) are each connected to electrodes (18, 22) of a spark plug (12, 12'), whose primary windings (28, 34) can be connected in each case by a switching means (30, 36) to a supply voltage source, and a drive circuit, via which the ignition coils (14, 16) are driven in a time-displaced manner.

The invention discloses an integrated high-energy ignition system used for an engine. The integrated high-energy ignition system can be applied to a piston engine as well as a turbo-jet, and mainly comprises an input socket, a drive circuit, an ignition power switching element, an ignition transformer, a boost switching circuit and an output socket. The components are integrated on a PCB. The input socket is connected with an external power supply and control signals. The drive circuit, the ignition power switching element and the ignition transformer are connected. An ignition transformer magnetic circuit adopts initial reversing magnetic field biasing. An ignition transformer secondary coil and high voltage output are integrally formed, and the output is directly connected with a parkingplug, so that ignition output is achieved. According to the ignition system provided by the invention, primary charging current can be increased, and ignition energy is increased; the ignition powerswitching element breakdown clamp voltage is increased, and the discharging delay time is shortened; and boost conversion lifts up the charging voltage, the charging time is shortened, the ignition cycle time is shortened, the ignition time of duration is long, the combustion performance of the engine is remarkably improved, and performance indexes of the engine are increased.

The invention discloses a fuel atomizing nozzle of a sliding arc plasma-high disturbance cross structure. The fuel atomizing nozzle comprises an air inlet cavity a formed in an inner housing, whereina cyclone a is mounted at the bottom of the air inlet cavity a; an air inlet pipeline a communicating to the air inlet cavity a is formed in one side of the inner housing while an oil inlet pipeline is arranged on the other side of the inner housing, the oil inlet pipeline communicates to the top of the oil inlet cavity, the bottom of the oil inlet cavity are separately connected to an inclined downward channel a and an inclined downward arc-shaped channel b, the end parts of the channel a and the channel b form a cross spray hole, and a tungsten electrode penetrates an end cover, the air inlet cavity a and the cyclone a successively and extends into a sliding arc discharging area; an outer housing is connected to the periphery of the lower part of the inner housing, an air inlet pipelineb communicating to an air inlet cavity b is arranged on one side of the outer housing, and a cyclone b is arranged on the upper part of the air inlet cavity b. When an engine is ignited successfully,the nozzle can provide high activity plasma active groups continuously and stably to promote more full combustion, improve the combustion efficiency and reduce the pollutant discharge.

A magnetic closed ignition coil disclosed in the invention includes iron core, a primary winding wound around the periphery of the core and arranged axially, a high voltage skeleton sleeved over the primary winding, a secondary winding wound on a high voltage skeleton, a ceramic conductive sleeve sleeved on the secondary winding and a housing enclosing the above-mentioned components, characterizedin that: a magnetic conductive cov is fixed on both end surface of that porcelain conductive sleeve and the two end surfaces of the iron core are bonded with the two magnetic conductive covers, so that a closed magnetic circuit is for, Increase core flux, so as to obtain more ignition energy at the output end of the same volume pen rod coil, a magnetic steel is clam between one end of that iron core and the magnetic conductive cover at the correspond end, and the magnetic circuit is not saturated due to the magnetic bias. The ceramic conductive sleeve is open-loop, and the open-loop is necessary, otherwise, the primary short circuit is equivalent, and the open-loop can also insulate the high-voltage output end from the magnetic conductive sleeve by a sufficient distance.

A capacitive ignition system for an internal combustion engine includes a voltage converter which has two primary terminals and two secondary terminals a primary voltage source has two voltage source terminals (A+, A−) which are connected in each instance to one of the primary terminals so that a primary circuit is formed; a switch which is incorporated within the primary circuit and a controller so that the switch can be closed and opened; a first control device constructed to actuate the controller in accordance with an ignition pattern for closing and / or opening; an electrical capacitance (C1, C2) within the primary circuit; and a second control device (25) constructed to maintain constant a voltage rise at the secondary terminals, which occurs in order to reach the ignition voltage, as the ignition energy requirement of an ignition device connected to the secondary terminals changes.

A spark plug for an internal combustion engine, having an insulator including an insulator shoulder designed for mounting a tensioning nut or a housing and having a first outer diameter, an insulator head which is situated farther from the combustion chamber and adjoins the insulator shoulder, and which has a second outer diameter which is smaller than the first outer diameter, and a continuous cavity, a composition including a first contact composition, a second contact composition, and a composition resistor situated between the first contact composition and the second contact composition, a connecting pin which contacts the first contact composition, a center electrode which contacts the second contact composition, and a ground electrode. The connecting pin, the composition, and the center electrode are situated in the cavity, and the composition resistor has a third outer diameter, and a ratio of the third outer diameter to the second outer diameter is between 0.35 and 0.7.

The invention discloses a weather-proof micro-trigger controlled silicon of a PNP structure. P-type silicon on one side of the PNP structure is provided with an N+ emitter region and a gate pole electrode, wherein the N+ emitter region is provided with a cathode electrode, and the P-type silicon on the other side of the PNP structure is provided with an anode electrode. A lateral integrated resistor is arranged in the PNP structure and is a negative temperature coefficient type thermistor which is connected between the gate pole electrode and the cathode electrode. The weather-proof micro-trigger controlled silicon of the invention has the technical characteristic of self adaption of self operating temperature variation, can adjust and match in due time according to the locating external atmosphere / ambient temperature, and has the capability of resisting temperature disturbance / resisting electromagnetic interference. In addition, the invention also discloses a manufacturing method of the weather-proof micro-trigger controlled silicon.

Methods and systems are provided for adjusting an ignition energy provided to an engine cylinder upon reactivation from a VDE mode of operation. Ignition energy is increased by increasing an ignition coil dwell time and / or an ignition coil strike frequency. The increased ignition energy improves combustion stability during the transition out of the VDE mode of operation.

A high-energy ignition coil, wherein a primary coil and a secondary coil are both wound around an iron core, these three constituting a transformer. The primary coil loop is provided with a switch controlled by an ECU. The spark plug is connected at one electrode to an end of the secondary coil, and is grounded at the other electrode. An on-board power supply supplies power to the primary coil via a DC booster, which boosts the DC voltage outputted by the on-board power supply before outputting. The other end of the secondary coil is either connected to the DC booster or grounded via a reversely connected diode. A current keeping device is connected in parallel with a serial branch of the secondary coil and the spark plug, working after the spark plug is turned on to keep the spark plug on.

The invention relates to a plasma ejection igniter, which is characterized by comprising a base provided with an upper concave pit and a lower concave pit which are formed by a top surface denting downwards, a polysilicon plasma ignition chip and an external protective cover; the chip and an electrode conductive piece thereof are encapsulated in the base; the upper top surface of the external protective cover is provided with an fire ejection port corresponding to the upper concave pit of the base; and the external protective cover is blocked outside the base. The traditional hot bridge wire ignition technology is replaced by a giant-heat and high-speed ejection polysilicon plasma particle ignition technology, and the mass blocks of the polysilicon is instantly melted from solid to liquidand then gasified into gas to form high-temperature and high-pressure impactive polysilicon plasma through the constraint of the two concave pits; the polysilicon plasma is constrained by the upper concave pit and enters a linear accelerating chamber to finish accelerated ejection. The igniter has low ignition energy, short ignition action time, is suitable for automatic large-scale production, can be used in high-temperature and high-pressure environments, and is safe and reliable.