40results about How to "Efficient ignition" patented technology

A lamp inverter with continuous strike voltage facilitates faster striking of a fluorescent lamp, especially at cold temperatures. A frequency sweep generator sweeps the frequency of the lamp inverter to a striking frequency corresponding to a striking lamp voltage and then maintains the striking frequency until the lamp strikes.

Capacitive discharge system for ignitors of internal combustion engines with one ignition coil (T) per ignitor with one or more capacitors (6) and shunt switch means (5) associated with each such coil, together forming a coil primary ignition circuit of Type II topology and resonance oscillation capability, each switch means being a series combination of shunt diode (D) means and switch (SD) across the coils primary winding, with a voltage drop element (Vdb) across switch SD, the system constructed to produce capacitive ignition initial spark discharge of duration less than a quarter period of the resonance oscillation of the primary ignition circuit followed by an essentially triangular distribution decaying spark discharge of longer duration than the initial discharge, with switch SD to be turned off near or after spark circuit zero to divert residual primary discharge circuit through the voltage drop element.

A spark plug provided to ignite fire and generate power for an engine, comprises an outer layer with an inner cavity and a ceramics insulator enclosing a central electrode inside the inner cavity. A gap is located between the ceramics insulator and the housing. The central electrode has a body and a head. One end of the body radically extends and forms a tip. The present invention improves ignition and fuel efficiency, thereby reducing air pollution.

A method to solve such a problem that plasma will not ignite in restarting operation of a processing container that has not been operated with the inside kept drawn to vacuum. Gas containing oxygen is passed in a processing container 21, and ultraviolet light is irradiated to the gas while gas inside the processing container 21 is being discharged. After that, a remote plasma source 26 is driven to ignite plasma.

An ignition plug cooling device of a vehicle engine for efficiently cooling the ignition plugs while increasing the freedom in the arrangement of the ignition plugs. A vehicle engine includes a first ignition plug and a second ignition plug for making respective electrodes thereof face a combustion chamber and are mounted on a cylinder head. An air flow passage through which a flow of air passes and a cooling oil chamber through which lubrication oil for the engine passes are formed in the cylinder head. The first ignition plug is arranged in the air flow passage to enable a cooling of the first ignition plug by the flow of air which passes through the air flow passage. The second ignition plug is arranged adjacent to the cooling oil chamber to enable a cooling of an area around the second ignition plug by oil which passes through the cooling oil chamber.

A pre-chamber for use with a spark plug or glow plug, the chamber being secured at an upper end attachable unit associated with an internal combustion cylinder. The pre-chamber is designed to promote faster ionization resulting in more efficient spark to flame ignition (due to voltage buildup being delayed until a generated spark jumps the gap), or beat to flame ignition (due to the introduction temperature of the injected plasma) and, in each instance, results in faster propagation of flame within the compressed cylinder, thereby achieving more efficient and consistent (cycle to cycle) output in combination with lower exhaust temperatures. A plurality of outlet ports are defined, such as perimeter / radially extending fashion, in an outlet end of the pre chamber body and communicate the combusted fuels as a plurality of flame outlets with a remaining volume of atomized fuel within the combustion chamber during a power outlet stroke.

An ignition plug cooling device of a vehicle engine for efficiently cooling the ignition plugs while increasing the freedom in the arrangement of the ignition plugs. A vehicle engine includes a first ignition plug and a second ignition plug for making respective electrodes thereof face a combustion chamber and are mounted on a cylinder head. An air flow passage through which a flow of air passes and a cooling oil chamber through which lubrication oil for the engine passes are formed in the cylinder head. The first ignition plug is arranged in the air flow passage to enable a cooling of the first ignition plug by the flow of air which passes through the air flow passage. The second ignition plug is arranged adjacent to the cooling oil chamber to enable a cooling of an area around the second ignition plug by oil which passes through the cooling oil chamber.

The invention belongs to the technical field of energy storage fuel and particularly relates to high-energy nano energy storage fuel capable of meeting the use of a missile weapon and a preparation method thereof. The energy storage fuel comprises the following components in percentage by weight: 3-30 percent of nano Al powder, 5-90 percent of liquid hydrocarbon fuel and 7-90 percent of carborane,wherein the nano Al powder is spherical and has an average particle size of less than 150 nm and an active Al content of higher than 90 percent; the liquid hydrocarbon fuel is a petroleum rectification product or synthetic hydrocarbon or two types of compositions. The nano energy storage fuel provided by the invention is high in energy, excellent ignition and combustion performances, simple in preparation method and excellent in sedimentation resistance.

Propellants and high energy materials compositions containing nano-sized oxidizer and other components. The propellant composition simulates a monopropellant formed by nano-sized propellant ingredients in the form of nano-scale reactors. When forming such monopropellant-like compositions, a protective coating is provided around the reactive ingredient. Coating the metal particles prevents formation of an oxidation layer.

A lamp inverter with continuous strike voltage facilitates faster striking of a fluorescent lamp, especially at cold temperatures. A frequency sweep generator sweeps the frequency of the lamp inverter to a striking frequency corresponding to a striking lamp voltage and then maintains the striking frequency until the lamp strikes.

A deconfinement device for the casing of a piece of ammunition enclosing an explosive load able to be ignited by a priming fuse, said device comprising a connecting ring linked to the casing and enabling the priming fuse to be joined to said casing, wherein said device incorporates a structure to ensure a weakened and shearable link between said fuse and said connecting ring, said link being sheared further to an increase in the pressure inside said casing, said connecting ring incorporating a base forming a plate that can be projected onto said explosive load during the ignition of said fuse, said base being able to be fractured by the presence of pressure inside said body of said projectile.

The invention discloses a high energy electronic ignition system for a high pressure gas well, which is suitable for igniting an open flow spout in the petrochemical field, especially the open flow field of the gas well (oil well). The high energy electronic ignition system for the high pressure gas well comprises an input power supply and an open flow device, wherein the input power supply is connected with a host machine of an igniter, the host machine of the igniter is connected with an ignition rod by a flame resistant cable, and the ignition rod is fixed above the open flow device by an ignition rod bracket. The high energy electronic ignition system for the high pressure gas well can solve the problem of various ignition modes that ignited fire is easy to be extinguished by spouted water; and the high energy electronic ignition system has the advantages of high reliability, no potential safety hazard and accurate and efficient ignition performance, and the operation of ignition can still be successfully carried out under the adverse environment in the premise that the gas concentration reaches the lower limit of inflammation concentration.

The invention discloses a fluorinated nano-aluminum powder containing energy storage fuel. The fluorinated nano-aluminum powder containing energy storage fuel comprises the following components by mass percent: 3%-40% of fluorinated nano-aluminum powder, 0%-95% of liquid hydrocarbon fuel, 0%-95% of carborane, and 0.2%-5% of performance regulator, wherein a fluorinated nano-aluminum powder is in acore-shell structure taking Al as the center and AlF3 as a coating layer. The core-shell structure nano-aluminum powder is applied to a metal powder containing high-density suspensoid fuel instead ofthe common nano-aluminum powder, the nanometer energy storage fuel is high in density, can ignite rapidly and burn efficiently, has an excellent anti-settlement property, and can be stored stably fora long period of time, and a combustion product has no residue or less residue.

The invention discloses a high-frequency resonance ignition circuit of a lean combustion engine. The circuit comprises an ignition main loop, wherein the ignition main loop comprises a power supply; an external direct-current battery is connected into the input end of the power supply; and the output end of the power supply outputs alternating current with the output frequency f. The ignition circuit further comprises a high-energy ignitor, wherein the high-energy ignitor comprises a boosting transformer, a shunt capacitor, a grounding electrode and an ignition electrode; the shunt capacitor and a secondary side of the boosting transformer are connected in parallel so as to form an ignition resonance structure; the grounding electrode is connected with one common terminal of the shunt capacitor and the secondary side of the boosting transformer; and the ignition electrode is connected with the other common terminal of the shunt capacitor and the secondary side of the boosting transformer. By utilizing a resonance characteristic of the ignition resonance structure, the ignition circuit, as well as an ignition method and a control method thereof provided by the invention can be conveniently applied to an air cylinder of the lean combustion engine, lean fuel gas can be accurately and high-efficiently combusted, and the lean combustion engine is ensured to run normally.

The invention discloses a liquid fuel hot pot stove easy in ignition at low temperature, comprising a stove body, a combustor and a liquid fuel tank arranged in the stove body, and an ignition system for the ignition of liquid fuel in the combustor, wherein the combustor is connected with the liquid fuel tank via a liquid fuel control valve, the ignition system is a pulse fuel ignition device comprising a firing gas tank, a fire throwing tube, a pulse circuit component and a pulse circuit battery, the fire throwing tube consists of a pulse wire and a firing gas tube, the rear end of the fire throwing tube is communicated with the firing gas tank through a pipeline having a gas tank vent valve, the front end of the fire throwing tube is communicated with the combustor, fuel is ignited by electronic pulse at the rear end of the fire throwing tube, and the fired gas then lights up the liquid fuel in the combustor. The liquid fuel hot pot stove disclosed by the invention is not affected by ignition point of liquid fuel and weather, has effective ignition, can realize stepless regulation for fire in cooperation with needle valve, and is convenient for use, saving in fuel and reduced in cost.

The invention provides a high-energy-density slurry fuel, a preparation method and an application. The high-energy-density slurry fuel comprises the following components in percentage by mass: 3%-40% of aluminum-based metal hydride composite fuel; 53.6%-96% of high-density liquid hydrocarbon fuel; 0.2%-2% of an anti-settling agent; and the balance of other performance regulators. The aluminum-based metal hydride is a composite material in which metal hydride is dispersed and distributed in aluminum powder. The high-energy-density slurry fuel can be used as fuel of engines such as ramjet engines or rocket engines. Compared with existing liquid fuel, the high-energy-density slurry fuel disclosed by the invention has the characteristics of high density ([rho]20 DEG C is greater than 0.9 g / cm<3>), high calorific value (greater than 38MJ / kg), quick ignition and efficient combustion. Compared with the existing slurry fuel, the slurry fuel has the advantages of quick ignition, high-efficiency combustion and no or less residues of combustion products.

Apparatus is described for treating an effluent gas stream from a semiconductor manufacturing process tool. The apparatus comprises a plasma torch for generating a glow discharge from an inert, ionisable gas. The gas stream is conveyed to the glow discharge to ignite a plasma. A source of electromagnetic radiation supplies electromagnetic radiation to the effluent gas stream to sustain the plasma. The apparatus is particularly suitable for treating perfluorinated and hydroflurocarbon compounds in the effluent gas stream.

An auxiliary device for sparkplug ignition is provided having a case, and provided therein, electrolytic capacitors C1 to C4 connected in parallel between ground terminals GND 1 to GND 4 and positive terminals (V1 to V4) of primary coils L1 to L4 of ignition coils K1 to K4, which are connected to sparkplugs P1 to P4 in a direct ignition system. Diodes D1 to D4, which are connected in parallel, are provided in the reverse direction, between the ground terminals GND 1 to GND 4 and the positive terminals on the primary coils L1 to L4. The case is fitted with a connector that connects to a dedicated harness. The back electromotive force generated in the primary side coils L1 to L4 of the ignition coils of each sparkplug is absorbed, so as to adjust the primary side current, allowing for generation of stabilized high voltage on the secondary coil side, and producing highly efficient sparkplug ignition.

The invention discloses a fluorinated nano-aluminum powder containing energy storage fuel. The fluorinated nano-aluminum powder containing energy storage fuel comprises the following components by mass percent: 3%-40% of fluorinated nano-aluminum powder, 0%-95% of liquid hydrocarbon fuel, 0%-95% of carborane, and 0.2%-5% of performance regulator, wherein a fluorinated nano-aluminum powder is in acore-shell structure taking Al as the center and AlF3 as a coating layer. The core-shell structure nano-aluminum powder is applied to a metal powder containing high-density suspensoid fuel instead ofthe common nano-aluminum powder, the nanometer energy storage fuel is high in density, can ignite rapidly and burn efficiently, has an excellent anti-settlement property, and can be stored stably fora long period of time, and a combustion product has no residue or less residue.

A high-pressure discharge lamp having an ignition aid may be provided, having a discharge vessel that is surrounded by gas, wherein the discharge vessel includes two ends having fusings in which electrodes are secured, wherein an ignition aid is fastened on at least one fusing, wherein the ignition aid has a local field amplifier in the form of a tip or a curved part, wherein the ignition aid is configured to cause a corona discharge in the surrounding gas which emits UV radiation into the discharge vessel.

The invention discloses a series resonance igniting circuit of a lean burn engine. The circuit comprises a power supply and a high energy igniter. An output end of the power supply outputs an alternating current with output frequency of f; the high energy igniter comprises a matching transformer, an igniting inductor, a serial capacitor, an igniting electrode and a grounding electrode. The primaryside of the matching transformer is in time-sharing connection to two output ends of the power supply, one end of the secondary side of the matching transformer is connected to one end of the igniting inductor, the other end of the igniting inductor is connected to one end of the serial capacitor, and the other end of the serial capacitor is connected to the other end of the matching transformer;an ignition electrode is connected to public ends of the igniting inductor and the serial capacitor, the grounding electrode is connected to public ends of the serial capacitor and the matching transformer, and in the circuit, f=f0 is acquired at ignition. According to the igniting circuit and the igniting method and control method thereof, lean gas can be ignited precisely and efficiently by means of a resonance characteristic of an igniting resonance structure, so that normal operation of the lean burn engine is guaranteed.

A method for operating an internal combustion engine including a step of concurrently introducing at least two combustible fuel jets into a combustion chamber of an internal combustion engine. A first combustible fuel jet of the at least two combustible fuel jets is ignited at an ignition time point. In a first operating mode of the internal combustion engine a second combustible fuel jet which is different from the first combustible fuel jet of the at least two combustible fuel jets is ignited after the ignition time point.

The invention discloses a plasma generator with a metal wire structure embedded in the propellant powder, which is characterized by comprising an electrode stem, a nut pressing sheet, a cathode plug, a capillary tube, a propellant grain and a metal wire, a composite structure mode that the metal wire is embedded into the propellant grain is adopted, and the formula composition, the outer diameter, the hole number, the inner hole diameter and the length of the propellant grain are adjusted, so that the efficient ablation combustion-supporting effect on propellant powder during electric explosion of the metal wire can be achieved; the structural mode that the inner wall of the capillary tube is coated with energetic substances is adopted, and effective ignition substances and ignition pressure of plasmas can be adjusted and controlled by selecting the coating substances and adjusting the thickness of a coating layer; the structural mode that the multiple metal wires penetrate through the propellant grain is adopted, the material, the diameter and the number of the metal wires are optimized, and the strength of electric explosion can be well controlled. The problems of multi-parameter accurate adjustment and control of the plasma generator and control and efficiency of plasma ignition are solved.

A burner igniting system includes a burner disposed in a gas stove, a pilot light disposed in the gas stove for supplying a flame to the burner, an igniting and sensing device disposed in the gas stove for igniting the pilot light and for sensing a presence of flame on the pilot light, and a control device includes two or more processing devices (MCU 1-n), a high voltage circuit electrically connected the processing devices (MCU 1-n) for being actuated by the processing devices (MCU 1-n), and the processing devices (MCU 1-n) and the high voltage circuit are electrically connected to the igniting and sensing device for actuating the igniting and sensing device to selectively ignite the burner with the pilot light.