30results about How to "Delayed ignition" patented technology

A fire protection coating 10 includes insulation layer 20 including at least 20% free moisture. Insulation layer 20, preferably a vermiculite/gypsum mixture 26, is applied such as by spraying a water slurry of the mineral particles to structural member 85. Before the free moisture can evaporate, diffusion barrier 40, such as artificial stone formulation 44, is applied over the moist vermiculite/gypsum mixture 26. Moisture is retained within vermiculite/gypsum mixture 26 indefinitely and is released in the event of a fire to help cool and prolong the efficacy of fire protection coating 10.

The invention relates to the field of building materials, in particular to a fire retardant coating. The fire retardant coating comprises the following components in percentage by mass: 7 to 20 percent of cyanoethyl cellulose, 10 to 20 percent of fluoro ethylene-vinyl ether (FEVE) fluorocarbon resin, 10 to 15 percent of glass bead, 10 to 30 percent of pigment, 5 to 20 percent of ammonium polyphosphate, 3 to 8 percent of curing agent, 20 to 30 percent of phenol propane epoxy resin, and the balance of solvent. A product has good fireproof performance, and a wide application range, and is good in film property, and is suitable to be popularized and applied.

The invention discloses a universal booster capable of disengaging automatically without causing disturbance. The universal booster capable of disengaging automatically without causing disturbance comprises a rocket engine, a locking and unlocking device and a boosting frame, wherein the boosting frame is used for achieving the positioning function for the rocket engine and the locking and unlocking device, the rocket engine and the locking and unlocking device are fixed together and combined so as to bear the axial overload of the booster, and the boosting frame is connected with or separated from a carrier through the locking and unlocking device. The boosting frame is matched with a sleeve at the tail end of the carrier, an igniter is used for ignition, a grain is burnt and then generates thrust, a delayed gunpowder pipe is ignited at the same time, a powder flask of the locking and unlocking mechanism is ignited through the delayed gunpowder pipe after the whole grain is burnt out, a micro explosive reaction is generated in the powder flask, a push rod is pushed through a lead screw and a rotary disc to move, the push rod is pulled back in the radial direction of the rotary disc, the boosting frame and the carrier are not constrained any more, and the lead screw penetrates through a sealed bottom at the front end of the boosting frame and collides with the carrier, so that separation is achieved. After separation, a parachute placed in a frame groove of the boosting frame in advance is exposed and opened, and then recovery of the booster is achieved.

The invention relates to an environment-friendly nano fire-retardant coating which can be used on the surface of flammable base material, and can reduce the surface flammability of the material to be coated and retard the rapid spread of the fire so as to improve the fire endurance of the material to be coated. The fire-retardant coating is prepared by acrylic resin, polyphosphoric acid amine, nano SiO2, pentaerythritol, butanol and titanium dioxide according to ratio of parts by weight. The components are adjusted to the most scientific and reasonable state, a little nano-material is added, therefore the related properties and partial technical indexes of the fire-retardant coating such as fire retardance, antirust property, waterproofness, levelling property and strength are improved, the cost is low, the coating is uniform and continuous, compact and wear-resisting, the tenacity, dyeing property, adhesiveness, fast-drying nature and certain gloss of the coating are improved; and the nanotechnology is effectively combined with the formula and process of the coating, therefore the product quality is improved.

The present invention, for the purpose of accomplishing the above purpose, provides an ignition plug for an internal combustion engine, comprising: a main cell having a groove formed in a predetermined position, the groove being formed annularly on the outer peripheral surface of the main cell; an auxiliary cell that surrounds the main cell, a screw portion being formed on the outside of the lowerportion of the auxiliary cell, and the auxiliary cell comprising a bending portion, the upper portion of which is bent towards the main cell and thereby engages with the groove; a ring cover interposed inside the bending portion; a primary combustion chamber formed inside the lower portion of the auxiliary cell so as to contain an electrode that generates flames; and an orifice valve coupled to the other end of the auxiliary cell so as to surround the electrode, wherein the center portion of the orifice valve protrudes towards the interior of the auxiliary cell, and at least one ejection holeis formed thereon. The present invention, which is configured and operates as above, is advantageous in that a guide portion is formed inside the plug orifice valve such that explosion flames are diffused and ejected into the main combustion chamber, through the primary combustion chamber, more quickly and rapidly; accordingly, the rate of combustion remains high up to the end of the main combustion chamber such that, by enabling retarded ignition, the combustion performance is improved; and the combustion efficiency also increases, making it possible both to improve the fuel efficiency and to reduce the exhaust gas.

Provided are a system and a method for controlling operation of an electric all-wheel drive hybrid vehicle, including an engine, automatic transmission, and first and second motor-generators includes driving the vehicle via the second motor-generator. The method also includes determining desired engine speed and transmission gear ratio. The method also includes starting the engine via the first motor-generator and locking up all but one of a plurality of transmission torque transmitting devices required to be engaged for selecting the gear ratio. The method additionally includes modulating engagement of the one remaining torque transmitting device while controlling the engine to generate the desired engine speed. Furthermore, the method includes regulating the engine and the first motor-generator such that their combined torque is approximately zero, locking up the remaining torque transmitting device to select the gear ratio, and controlling the engine to generate desired transmission output torque.

The invention relates to an intumescent flame-retardant heat-insulating fireproof coating and a preparation method thereof, the intumescent flame-retardant heat-insulating fireproof coating is formed by mixing a component A, a component B and an auxiliary agent, the component A comprises an adhesive, a catalyst, a coupling agent, a foaming agent, an inorganic flame retardant, an organic flame retardant, a high-temperature adhesive, a combustion improver, a water removal agent, a smoke absorbent, an anti-aging agent and an ultraviolet absorbent; the component B comprises a curing agent, a plasticizer and a chain extender; and the auxiliary agent is a diluent. The intumescent flame-retardant heat-insulating fireproof coating has the advantages that the intumescent flame-retardant heat-insulating fireproof coating is suitable for protection of various indoor and outdoor materials, particularly suitable for occasions with high fireproof performance requirements, such as electric power, information and petrochemical industries, can delay object ignition or reduce the combustion speed of a protected base material, can quickly release heat after the surface temperature of the intumescent flame-retardant heat-insulating fireproof coating exceeds 290 DEG C, a carbon flocculent isolation layer is formed through expansion, and conduction of the heat effect is isolated.

A device that emits colored flames is disclosed. The device may include one or more electromagnetic coils within a housing. A fuel source may provide fuel such as hydrogen to an igniter at the input to the electromagnetic coil. The fuel may be ignited and a current may flow through the coil that may create a magnetic field. The ignited fuel may ionize creating an electric current that may accelerate the combusting particles through the coil. The current may create a magnetic field that may force the ionized particles into cyclotron orbits. Coloring additive such as salts may be added to the combusting fuel to provide color to the resulting flames.

The invention discloses a sound-proof and flame-retardant wooden door, comprising a door frame (1) and a door panel (2), a hinge (3) is arranged between the door frame (1) and the door panel (2), and a rubber sound-insulating strip is arranged inside the door frame (1) (4); the door panel (2) includes a substrate a (5) and a substrate b (6) arranged in parallel, and a flame retardant layer a (7) is arranged between the substrate a (5) and the substrate b (6), which resists the A sound insulation layer (8) is arranged between the combustion layer a (7) and the base plate b (6); the outer sides of the base plate a (5) and the base plate b (6) are provided with a flame retardant layer b (9), and the door panel (2) A decorative layer (10) is provided on the outermost side of the . The invention has the advantages of good flame retardant performance and sound insulation effect.

The invention relates to the technical field of elevator switch boxes, and discloses an elevator switch box with a fireproof function. The elevator switch box comprises an outer shell and an inner shell, wherein the interior of the outer shell is fixedly connected with a heat insulation flame retardant layer. According to the elevator switch box with the fireproof function, the outer shell and the inner shell are arranged, the outer shell and the inner shell are made of ceramic silicone rubber materials, the ceramic silicone rubber has the excellent characteristics of fire prevention, flame retardance, low smoke, non-toxicity and the like, residues after combustion are hard, the ceramic shells are not molten and do not drip in a fire disaster environment, and therefore flame retardance of the elevator switch box is better realized, and use is safer. The elevator switch box is provided with a heat-insulation flame-retardant layer and a fireproof coating, the heat-insulation flame-retardant layer has the advantages of being high in strength, resistant to oxidation, low in heat conductivity, small in heat capacity and the like, the fireproof coating protects the elevator switch box against direct contact with air, ignition of the elevator switch box is delayed, the combustion speed is reduced, and therefore the elevator switch box can be better subjected to heat insulation and flame retardance.

Device for reducing the risk of fire or delaying the ignition of flames in preferably large open or roofed storage tanks for combustible liquid media covered by floats, such as crude oil or the like, comprising a fixed cylindrical cavity as a tank for receiving the liquid, which tank is provided with a further protective barrier surrounding it at a certain distance and serving as a collecting chamber in case of leakage. The device is characterized in that the tank, if applicable the collecting chamber, contains floating cover bodies made of rolled-up stretched material that rest in a fined-up manner floating on the surface of the liquid, whereby polyurethane foam is inserted into the interior of the cover bodies, serving as a floating agent.