341 results about "IGNITOR" patented technology

An automatic smoker, which ignites a combustion medium placed in a combustion chamber by means of an automatic igniter. An ignition needle of the automatic igniter is positioned inside an air inlet port and extends into the combustion chamber, placing the ignition needle at an upwind position. When the ignition needle performs the ignition operation, air enters the combustion chamber through the air inlet hole, promoting the combustion of the combustion medium, thereby enabling the automatic igniter to ignite the combustion medium within the combustion chamber more easily and quickly.

The invention discloses a high-power sliding arc igniter based on a gas-liquid cooling electrode and an operation method of the high-power sliding arc igniter, and relates to the field of high-end equipment, a high-voltage electrode is located at the tail end of an inner-layer sleeve, and insulation between the high-voltage electrode and a low-voltage electrode is achieved through a first cyclone and an insulation interface. Sliding arc discharge is generated by the high-voltage electrode and the low-voltage electrode, a rotary sliding arc is formed under the action of strong rotational flow, and large-area discharge is generated; meanwhile, liquid ammonia is introduced into the high-voltage electrode and the low-voltage electrode, the surface temperature of the electrodes is reduced, the service life of the electrodes is prolonged and higher discharge power is allowed in the liquid ammonia gasification heat absorption process, and gasified ammonia is sprayed out through small-diameter holes and mixed with sliding arc plasmas to form flames. The defects that a high-power sliding arc electrode is high in temperature, short in service life and the like are overcome, and the sliding arc power, the electrode service life and the ignition performance can be greatly improved within the limited size.

A setting tool fora downhole tool includes a setting housing, a setting assembly, and an integrated igniter. The setting housing has a passage therethrough. The setting assembly is positioned in the passage, and includes a drive portion and a deployment portion. The drive portion has an elongate body with a propellant chamber. The deployment portion has an opening defining a drive cavity shaped to slidingly receive an end of the drive portion. The deployment portion includes a deployment end connectable to the downhole component. The integrated igniter is positioned in the propellant chamber, and includes an integrator housing, an internal propellant, and a switch assembly connected to the internal propellant. Upon triggering the switch, the internal propellant is ignited to release an ignition fluid under ignition pressure to move the deployment portion and the downhole component connected thereto to an activated position.

The present invention is directed toward an addressable ignition stage which produces an output sufficient to detonate a secondary explosive, generally. The present invention comprises addressability and ignition functions that may be used together or separately to incorporate a high-power resistor with a thermally conductive substrate allowing for operation at high temperatures for ignition. The ignition stage is amendable to high volume production, exhibits a high degree of reliability, robustness and operational dependability for use alone or configurable into existing technology.

A fuse-less ignition system for fireworks. An ignitor module is provided that is insertable into a firework and includes: a first end having an interface adapted to reside on an exterior surface of the firework for receiving a plug; a set of electrical contacts adapted to receive electricity from the plug; a heat element coupled to the electrical contacts and adapted to heat in response to received electricity; and a cavity adjacent to the heat element containing a pyrotechnic material, the pyrotechnic material adapted to ignite in response to a heating of the heat element.

A fuse-less ignition system for fireworks. An ignitor module is provided that is insertable into a firework and includes: a first end having an interface adapted to reside on an exterior surface of the firework for receiving a plug; a set of electrical contacts adapted to receive electricity from the plug; a heat element coupled to the electrical contacts and adapted to heat in response to received electricity; and a cavity adjacent to the heat element containing a pyrotechnic material, the pyrotechnic material adapted to ignite in response to a heating of the heat element.

The invention relates to the technical field of dust combustion, and provides a dust explosion combustion experiment device in order to solve the problems that an existing dust explosion combustion experiment device is insufficient in parameter control precision, and an experiment multi-focus single variable lacks a dust removing mechanism and a safety protection measure, and the dust explosion combustion experiment device comprises an experiment table which is provided with a power chamber and an equipment chamber; one side of the experiment table is hinged with an access door, two sides of the top of the experiment table are provided with conveying main pipes extending to the equipment chamber, a power supply assembly is arranged in the electric power chamber; the protective shell assembly comprises an outer shell and an inner shell; a plurality of exhaust pipes are arranged at the top of the inner shell; the dust generation assembly comprises a plurality of dust storage tanks and an air compressor; the ignition control assembly comprises a pulse igniter, a flame detection feedback circuit and an ignition head; the environment adjusting assembly comprises a box body, an oxygen tank and a humidifier, wherein the oxygen tank and the humidifier are arranged in the box body. The device has the advantages that the dust concentration is accurately regulated and controlled, the environmental parameters are dynamically coupled and controlled, dust residues are rapidly removed, and the experiment safety is high.

The invention discloses a combustion system which comprises a combustion device. The main fuel gas pipeline is used for conveying fuel gas to the combustion device; the ignition pipeline is used for conveying fuel gas to an igniter of the combustion device during ignition; the first combustion-supporting air pipeline is used for conveying combustion-supporting air to the igniter during ignition; the second combustion-supporting air pipeline is used for conveying combustion-supporting air to the combustion device under a normal working condition, and the second combustion-supporting air pipeline and the first combustion-supporting air pipeline respectively form independent pipelines and are connected with the combustion device; according to the combustion system disclosed by the embodiment of the invention, combustion-supporting air can be provided by adopting an independent pipeline according to ignition requirements during ignition, and the combustion system is convenient to operate and debug and high in safety.

The invention discloses a circumferentially-distributed multi-path sliding arc igniter and an operation method thereof, and relates to the field of high-end equipment.The center of the circumferentially-distributed multi-path sliding arc igniter is an existing single-path sliding arc igniter which can eject a single sliding arc and ignite small-flow fuel introduced from a first gas inlet, and the multi-path sliding arc is nested on the outer side of the single-path sliding arc igniter; and the generated multi-path sliding arc ignites the high-flow fuel introduced from the third gas inlet. The high-voltage electrodes are arranged in the circumferential direction, multiple paths of sliding arc plasmas are generated, the contact area between the high-voltage electrodes and fuel is increased, meanwhile, the total discharge power of sliding arcs is improved, the ignition capacity of the igniter is remarkably improved, the combustion efficiency is improved, and the high-voltage electrodes can be nested on an original single-path sliding arc igniter.

The present invention is directed toward an addressable ignition stage which produces an output sufficient to detonate a secondary explosive, generally. The present invention comprises addressability and ignition functions that may be used together or separately to incorporate a high-power resistor with a thermally conductive substrate allowing for operation at high temperatures for ignition. The ignition stage is amendable to high volume production, exhibits a high degree of reliability, robustness and operational dependability for use alone or configurable into existing technology.

A system for plugging a wellbore includes a plug including an annular sealing element, a setting tool configured to couple with the plug and including an energetic element, the setting tool configured to shift the plug from an initial configuration to a set configuration in response to ignition of the energetic element, and a setting tool initiator including an addressable igniter switch and an igniter, wherein the igniter is configured to ignite the energetic element of the setting tool in response to the igniter switch receiving a firing signal addressed to the igniter switch, and wherein the setting tool initiator is configured to shift the igniter switch from an operational state to an inoperable state in response to the ignition of the igniter.

The utility model discloses a spray type fire extinguishing demonstration system with anti-pollution and automatic recovery functions, which comprises a control cabinet, two fire extinguishing agent bottles, a gas supply header pipe, two driving gas bottles, a transparent demonstration box and a fire extinguishing agent recovery device, outlets of the electromagnetic valves of the two driving gas cylinders are connected with a first braking gas pipe and a second braking gas pipe; two demonstration grids communicated with the two gas supply branch pipes respectively are arranged in the transparent demonstration box, spray heads are arranged in the two demonstration grids, long-handle igniters are arranged below the spray heads, and temperature sensors electrically connected with the electromagnetic valves are arranged in the demonstration grids. The utility model belongs to the technical field of safety training demonstration equipment, ignition and fire extinguishing tests are carried out in the transparent demonstration box, air in a training room cannot be polluted, and a fire extinguishing agent recovery device is arranged to recycle a fire extinguishing agent.

The invention discloses a plasma igniter, and relates to the technical field of igniters, the plasma igniter comprises an igniter body, an electrode bin and an igniter electrode, the igniter body is fixedly provided with the electrode bin, the igniter electrode is arranged in the electrode bin, the igniter body is fixedly provided with an ignition bin, and the ignition bin is fixedly sleeved with an inner interlayer; the inner interlayer is fixedly sleeved with an outer interlayer, and a pulverized coal inlet pipe is fixedly installed below the side wall of the inner interlayer; a cooling air pipe is fixedly installed on the outer interlayer, a scraper blade is movably installed in the inner interlayer, the scraper blade is attached to the inner wall of the inner interlayer, and a movable groove is formed in the inner wall of the inner interlayer. While the inner interlayer is cooled and cooled through air supply of the cooling air pipe, the driving pipe can move in the inner interlayer, so that residual pulverized coal on the inner wall of the inner interlayer and substances generated by combustion are removed from the inner interlayer, and the substances are prevented from affecting heat dissipation of the inner interlayer by airflow in the outer interlayer.

The invention belongs to the technical field of aerospace, and particularly relates to a hydrogen peroxide solid-liquid rocket engine igniter and an ignition structure. The igniter comprises an igniter shell and an ignition powder column. An igniter cavity extending in the axial direction of the igniter shell is formed in the igniter shell, the igniter cavity comprises an ignition chamber and an ignition chamber which are arranged at intervals in the axial direction and communicate with each other, the igniter shell is provided with a plurality of ignition holes, and the ignition holes are located in the peripheral wall of the igniter shell and communicate with the ignition chamber. The ignition powder column is arranged in the ignition chamber and can generate a violent chemical reaction after making contact with hydrogen peroxide at the normal temperature to form fuel gas, and the fuel gas is sprayed out of the ignition chamber through the ignition holes. The igniter provided by the invention is a miniaturized igniter capable of reacting with hydrogen peroxide and provided with a high-energy solid grain capable of spontaneous combustion, and has the advantages of fast ignition response, high ignition energy, low price, light weight and the like.

A gas destruction system using a gas destroying device communicatively coupled to an electronic controller subsystem for neutralizing unwanted gas emissions. The system includes a gas destruction device and method and can be customized to variable conditions by way of controlling available flow area. The disclosed gas destruction device includes multiple combustion manifolds separated by valves, which allow gas to flow to sets of nozzles as needed to maintain stable combustion. The system consists of multiple nozzles for gas flow, a main shutoff valve, a flow measurement sensor, and an igniter and power source. The combustion products are allowed to flow through the exhaust outlet attached to the combustor. A communicator device is included in the system to send system information, preferably wirelessly. The system can operate autonomously via local or remote controllers, or manually via local or remote commands.

The invention relates to a low-concentration gas intrinsically safe combustion device, which relates to the technical field of coal resource utilization and comprises a safe ignition unit, a multi-stage backfire prevention unit, a multi-blow-off prevention unit, a combustion chamber, a control unit and an explosion venting unit. The safety ignition unit adopts a staged ignition mode, and the 100% ignition success rate is achieved through a high-energy igniter and a combustion starter; the anti-backfire unit forms three-stage protection through a micro-channel, a quick shut-off valve and an anti-detonation flame arrester, and flame returning is blocked; the anti-blow-off unit is combined with a high-heat-insulation labyrinth type combustion chamber by means of the entrainment effect of a swirler and a flame retention module, so that flame is stable and does not break away; the control unit achieves automatic interlocking control through various sensors, and the explosion venting unit conducts directional explosion venting during overpressure. According to the device, the low-concentration gas with the concentration lower than 30% is subjected to intrinsic safety combustion, and the risks of backfire, blow-off and explosion can be avoided.

The invention discloses an enhanced plasma ignition system and method, and belongs to the technical field of low-temperature plasma ignition and combustion supporting, the system comprises an electric spark ignition system, a first one-way conduction module, a second one-way conduction module, a discharge enhancement module, a plasma unit and an electric control module; the first one-way conduction module is connected in series with the electric spark ignition system, and the second one-way conduction module is connected in series with the discharge enhancement module; the electric control module is connected with the electric spark ignition system, the discharge enhancement module, the first one-way conduction module and the second one-way conduction module and then is connected with the plasma unit. The transition of plasma discharge from an electric spark mode to arc plasma is realized, the effective enhancement of the ignition energy, plasma density, temperature and active free radicals of the plasma igniter is realized, the equipment is simple, the efficiency is high, the cost is low, and instantaneous high power and high ignition energy are easy to realize.

The invention discloses a modular multi-fuel industrial burner plasma igniter with an efficient cooling structure. The modular multi-fuel industrial burner plasma igniter comprises an ignition module, an efficient cooling module, a fuel adaptation module and an intelligent control module. A plasma arc generator is arranged in the ignition module and is used for generating a high-temperature ignition source; the efficient cooling module adopts a multi-layer surrounding type flow channel design, and active heat management of the ignition module is achieved through forced circulation of a cooling medium; the fuel adaptation module supports rapid switching and stable supply of various fuels such as natural gas, fuel oil and biomass gas through standardized interfaces and pipelines; the intelligent control module integrates ignition control, fuel switching and thermal management strategies, monitors the system state in real time and automatically adjusts operation parameters. By means of the modular architecture and the efficient cooling technology, the problems that a traditional plasma igniter is prone to overheating damage, poor in adaptability and difficult to maintain under the high-temperature and multi-fuel working conditions are solved.

To provide a technique capable of dissipating heat generated in a primary coil and an ignitor.SOLUTION: An ignition device 1B for an internal combustion engine has an ignition coil, an ignitor, a case, a resin part, and a cover. The ignition coil has a primary coil, a secondary coil, and an iron core 60 for electromagnetically coupling the primary coil and the secondary coil, and supplies a high voltage to an ignition plug. The ignitor controls current flowing in the primary coil. The case exposes a part of the iron core 60, while storing the ignition coil and the ignitor. The resin part embeds a gap inside the case. The cover covers an exposure part which is a part exposed from the resin part of the iron core 60. The cover is made of metal or ceramic, and is interposed between the exposure part and an exterior space while being brought into contact with the exposure part. Thereby, heat generated in the primary coil and the ignitor can be more dissipated to the exterior space through the iron core and the cover.SELECTED DRAWING: Figure 6

The invention discloses a vortex type plasma igniter for preventing electrode ablation based on vortex airflow discharge, and relates to the technical field of plasma generators, the vortex type plasma igniter comprises a shell, an air inlet structure, a high-voltage electrode, a swirler and a nozzle electrode, the air inlet structure, the high-voltage electrode, the swirler and the nozzle electrode are all arranged in the shell, and the high-voltage electrode is arranged in the shell. A first gas inlet channel is arranged in the gas inlet structure, a first gas channel is arranged between the high-voltage electrode and the shell, a vent hole is formed in the side wall of the swirler, airflow can form vortex airflow through the vent hole of the swirler, an outlet is formed between the nozzle electrode and the high-voltage electrode, and a second gas channel is formed between the nozzle electrode and the high-voltage electrode. The first gas inlet channel, the first gas channel, the vent hole and the outlet are all communicated. According to the vortex type plasma igniter for preventing electrode ablation based on vortex airflow discharge, the problem that the service life is short due to local ablation of the electrode can be solved.

The utility model provides a gas device for preventing flame from burning an igniter, which relates to the technical field of gas burner equipment and comprises a middle-layer shell, a mounting piece is fixedly connected between the inner surface walls of the middle-layer shell and close to the right side, and sliding rods are symmetrically and fixedly connected between the right surface of the mounting piece and the inner surface wall of the right side of the middle-layer shell. According to the electronic igniter, in the process that the electronic igniter is driven to move leftwards under the cooperation of the push button and the installation shell spring, the electronic igniter can be started through the cooperation of the protruding block inserting sleeve and the symmetrical protruding blocks, and meanwhile the ignition needle can enter the fire gathering cover through the through hole to ignite combustible gas; after the push button is loosened, the electronic igniter and the ignition needle can be driven to reset under the action of the spring, and the reset electronic igniter and the reset ignition needle can be far away from burning flames, so that the electronic igniter is effectively prevented from being damaged by the temperature generated during burning of combustible gas, and the service life of the electronic igniter is greatly prolonged.

An automatic smoker includes a smoker body, a pipe and a base. The pipe has a combustion chamber, an inner wall of the combustion chamber is defined with at least one smoke outlet por. The smoker body and the base are detachably assembled, and the pipe is arranged between the smoker body and the base. The smoker body includes an automatic igniter, the automatic igniter includes an ignition needle, the ignition needle extends into the combustion chamber and is configured to ignite a combustion medium within the combustion chamber.

Systems and methods herein provide retractable and extendable portable ignitors, ignitor systems, and associated methods for lighting industrial fired equipment. In an embodiment, an ignitor includes a main body including a first body portion movable in a longitudinal direction relative to a second body portion so as to extend or retract to a target operating length, thereby to define an adjustable main body. The ignitor includes a flow path extending through the adjustable main body, a fluid outlet, and a fluid inlet. The fluid inlet is configured to receive and direct a fuel flow through the flow path and to the fluid outlet. The ignitor includes a sparking assembly connected to the adjustable main body proximate the fluid outlet to provide an ignition spark to the fuel flow when passing through the flow path, thereby to facilitate lighting industrial fired equipment via a fueled flame maintained proximate the fluid outlet.

Gas generator (1) comprising, in a cylinder housing (10), a combustion chamber (20) filled with gas generating means (25, 26) as a gas source, and a gas outlet opening (16) for expelling a gas generated by the combustion of the gas generating means (25, 26), wherein the combustion chamber (20) contains an ignition device containing an igniter (11) and closing a first end opening (10a) of the cylinder housing (10), a partition wall (15) closing a second end opening (10b) on the side axially opposite the first end opening (10a), and a perforated cylinder body (21) arranged in the combustion chamber (20); wherein the igniter (11) comprises an igniter main body having an ignition portion (12) and an igniter collar (13) surrounding and holding the igniter main body; wherein the perforated cylinder body (21) is arranged such that its first end (21a) surrounds the ignition section (12) of the igniter (11) and its second end (21b) is arranged on the axially opposite side on the side of the partition wall (15); wherein an interior of the perforated cylinder body (21) is a first chamber (22) filled with a portion of the gas generating means (25), and an exterior of the perforated cylinder body (21) is a second chamber (23) filled with the remaining gas generating means (26); and at least one gas outlet opening (16) is a through hole formed in a section of the partition wall (15) facing the second chamber (23), and no gas outlet opening is formed in a region of a length of more than 0.3 from the surface of the partition wall (15) on the combustion chamber (20) side toward the first end opening (10a) in a portion of the cylinder housing (10) facing the second chamber (23) when a length from the first end opening (10a) of the cylinder housing (10) to the surface, on the combustion chamber (20) side, of the partition wall (15) closing the second end opening (10b) is set to 1, wherein the second end (21b) abuts against a surface (15a) of the partition wall (15) on the combustion chamber (20) side or is provided opposite thereto with a small gap therebetween, the small gap being a gap equal to or smaller than a diameter of holes of the perforated cylinder body (21).

The present invention discloses a critical pressure testing system and method for detecting the entry of explosive combustion flames into gaps. The system comprises a main reaction device, a pressure testing unit, an ignition unit, and a photographic unit. The main reaction device comprises a reaction cell, a viewing window, and a gland. The pressure testing unit comprises a pressure sensor, a charge amplifier, and an oscilloscope. The ignition unit comprises an igniter, an optical fiber, and a laser. The photographic unit comprises a high-speed camera and a data collector. The testing unit also comprises a synchronous signal trigger for controlling the pressure testing unit and the photographic unit. The pressure testing unit and the ignition unit are both connected to the main reaction device, the photographic unit is connected to the synchronous signal trigger, and the pressure testing unit and the ignition unit are each connected to the synchronous signal trigger. The system and method provide a new option for distinguishing the safety of explosives with different formulas and can more accurately determine the relative accident risks of explosives with different formulas or storage periods.

The utility model provides a burner and an oven. The burner comprises a main burner, an auxiliary burner and an igniter. The main combustor comprises a first combustion pipe and a first gas supply pipe; the first combustion pipe is provided with a plurality of first fire holes; one end of the first gas supply pipe is communicated with the first combustion pipe; the auxiliary combustor comprises a second combustion pipe and a second gas supply pipe; the second combustion tube is adjacent to the first combustion tube and is provided with a plurality of second fire holes; one end of the second gas supply pipe is communicated with the second combustion pipe; and the ignition end of the igniter corresponds to the second fire hole. The combustor and the oven provided by the embodiment of the utility model can improve the flame stability and the temperature uniformity.

The application discloses a remote control torch ignition system based on wireless instruction and fault self-diagnosis function and relates to the technical field of space propulsion. The application comprises a remote control center and a field control unit. The remote control center is used for generating an encrypted ignition instruction package containing an ignition instruction sequence and adjustable parameters and sending the package through a wireless data link, simultaneously receiving and displaying control feedback and diagnosis data from the field. The field control unit is arranged on an engine test stand and is electrically connected with a torch igniter and its matched fuel valve, oxidant valve and ignition power supply, used for receiving, decrypting and executing the encrypted ignition instruction package to control the corresponding valves and ignition power supply to act in sequence. The system further comprises a multi-dimensional data acquisition module used for synchronously acquiring multi-channel physical quantity time sequence signals reflecting the working state of the igniter during the ignition process. Through embedded multi-dimensional time sequence fusion diagnosis, the application can quantitatively evaluate the performance gradual state of the torch igniter in real time.

The invention discloses a contact arcing generator, a water plasma igniter and an ignition method, and belongs to the technical field of aircraft igniters. A contact arcing generator comprises a generating device and a sliding mechanism, the generating device comprises a cathode and an anode which are coaxially arranged, the anode is located outside the cathode, and the sliding mechanism is located outside the anode and drives the cathode to slide in the anode; the cathode comprises a body part and an arcing end, the arcing end is located at the top end of the body part, the sliding mechanism drives the arcing end to make contact with or be separated from the anode through the body part, an arcing cavity is formed between the anode and the top end of the cathode, a conveying structure for conveying water to the arcing cavity is arranged on the cathode, a spraying hole is formed in the anode, and the spraying hole communicates with the arcing cavity. Water vapor in the arcing cavity is sprayed out through the spraying holes to form water plasma jet flow. By the adoption of the contact arcing generator, the water plasma igniter and the ignition method, the problem that an existing plasma igniter is unstable in arcing can be solved.

Disclosed is a control strategy for a hot surface igniter. On the basis of a hardware circuit of the hot surface igniter and a software algorithm, a working time of the hot surface igniter is divided into t1, t2, . . . , and tn time periods. In each time period, an output voltage or an output power of the hardware circuit is adjusted by the software algorithm to make the hot surface igniter reach an expected temperature. Through the control strategy of the disclosure, ignition time of the hot surface igniter may be easily controlled. The requirements of a user of igniting in a short time are satisfied.