122results 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 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 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 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 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 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.