731results about How to "Fire fast" patented technology

A firing system for an applicator instrument adapted to dispense surgical fasteners includes a housing, an elongated shaft extending from the housing, a firing rod disposed within the elongated shaft, a firing rod release engageable with the firing rod for preventing distal movement of the firing rod during at least one stage of a firing cycle, a trigger mounted to the housing, and a firing spring having a first end connected with the firing rod and a second end adapted for being sequentially coupled and decoupled from the trigger during the firing cycle. The firing cycle includes an initial stage in which the trigger is open and decoupled from the energy storing element, and the firing spring is at least partially compressed, and a piloting stage during which the firing rod release is disengaged from the firing rod for enabling distal movement of the firing rod.

A surgical fastener for securing a prosthetic device to tissue includes a first leg having a distal end, a proximal end, and a first insertion tip at the distal end of the first leg, and a second leg including a distal end, a proximal end, and a second insertion tip at the distal end of the second leg. A bridge connects the proximal ends of the first and second legs for forming a closed end of the surgical fastener. The first insertion tip has a first insertion tool seating surface, and the second insertion tip has a second insertion tool seating surface. The first insertion tool seating surface is closer to the distal end of the first leg than the proximal end of the first leg, and the second insertion tool seating surface is closer to the distal end of the second leg than the proximal end of the second leg. The first and second legs extend along respective longitudinal axes, and the first and second insertion tips are skewed outwardly relative to the respective longitudinal axes.

An applicator instrument for dispensing surgical fasteners includes a housing and a curved shaft. Surgical fasteners are disposed within the curved shaft for being dispensed from the distal end of the curved shaft. An advancer is disposed inside the curved shaft for shifting the surgical fasteners one position closer to the distal end of the curved shaft each time the advancer moves distally. A firing element is disposed inside the curved shaft and is movable between the proximal and distal ends of the curved shaft for dispensing the surgical fasteners from the distal end of the curved shaft. A staging assembly is adapted to receive a leading one of the surgical fasteners from the advancer as the advancer moves distally to shift the leading surgical fastener into substantial alignment with the firing element when the advancer moves proximally.

An applicator instrument for dispensing surgical fasteners includes a housing, an elongated shaft extending from the housing, the elongated shaft having a proximal end coupled with the housing and a distal end remote therefrom, and a firing system for dispensing surgical fasteners from the distal end of the elongated shaft. The firing system includes a firing rod disposed in the elongated shaft, the firing system having a firing cycle with a first stage for advancing the firing rod toward the distal end of the elongated shaft at a first rate of speed and a second stage for advancing the firing rod toward the distal end of the elongated shaft at a second rate of speed that is greater than the first rate of speed.

An applicator instrument for dispensing surgical fasteners includes a housing, an elongated shaft extending from the housing, a firing rod disposed inside the elongated shaft and being movable within a first plane between a retracted position and an extended position, an advancer disposed inside the elongated shaft and being moveable within a second plane between a retracted position and an extended position, and a staging assembly located adjacent the distal end of the elongated shaft and being adapted to align surgical fasteners with a distal end of the firing rod. The staging assembly is held below the second plane by the advancer when the advancer is in the extended position and the staging assembly is adapted to move into at least partial alignment with the distal end of the firing rod when the advancer is in the retracted position.

A firing system for an applicator instrument adapted to dispense surgical fasteners includes a housing, an elongated shaft extending from the housing, a firing rod disposed within the elongated shaft, a firing rod release engageable with the firing rod for preventing distal movement of the firing rod during at least one stage of a firing cycle, a trigger mounted to the housing, and a firing spring having a first end connected with the firing rod and a second end adapted for being sequentially coupled and decoupled from the trigger during the firing cycle. The firing cycle includes an initial stage in which the trigger is open and decoupled from the energy storing element, and the firing spring is at least partially compressed, and a piloting stage during which the firing rod release is disengaged from the firing rod for enabling distal movement of the firing rod.

A surgical fastener for securing a prosthetic device to tissue includes a first leg having a distal end, a proximal end, and a first insertion tip at the distal end of the first leg, and a second leg including a distal end, a proximal end, and a second insertion tip at the distal end of the second leg. A bridge connects the proximal ends of the first and second legs for forming a closed end of the surgical fastener. The first insertion tip has a first insertion tool seating surface, and the second insertion tip has a second insertion tool seating surface. The first insertion tool seating surface is closer to the distal end of the first leg than the proximal end of the first leg, and the second insertion tool seating surface is closer to the distal end of the second leg than the proximal end of the second leg. The first and second legs extend along respective longitudinal axes, and the first and second insertion tips are skewed outwardly relative to the respective longitudinal axes.

The invention provides a method and system for evaluating the building fire situations and instructing evacuation. The method comprises the following steps: monitoring the fire information in real time, and calculating the fire source position information, the fire source strength information and the fire developing situation information according to the fire information; estimating the position information of people in each area of the building, and estimating the density distribution of people in each area; and calculating the best evacuating directions and evacuating paths according to the fire source position information, the fire source strength information, the fire developing situation information, the density information and position information of people in each area of the building and the building structure information. The embodiment of the invention fully utilizes the modern technologies of sensing, communication, calculation, decision making and the like, provides a feasible solution for evacuation based on the disaster developing situation in the building, and improves the decision making and evacuation efficiencies.

The invention relates to a computer vision technique based method and a system for detecting and extinguishing a fire disaster intelligently, which belong to the technical field of fire monitoring and self-extinguishing. The method comprises the following steps: (1) using a sub-station control module to perform the fire monitoring; (2) under the condition that flame exists, estimating the spatial position of the flame through a binocular parallax technique; (3) according to a fire monitor open rule, determining an opened fire water monitor; (4) obtaining the position of the tail end of an ejecting water column of the fire monitor, namely the position of a water-drop point, by using the computer vision technique or an image processing technique; (5) adjusting the fire monitor according to the relative positions of the water-drop point and the flame to achieve the closed-loop control to the fire monitor so as to perform extinguishing; and (6) determining that the extinguishing is finished according to monitored images, and then closing the fire monitor. The method and the system can achieve the real-time monitoring and the self-extinguishing of an outdoor large space fire disaster.

A surgical fastener for securing a prosthetic device to tissue includes a first leg having a proximal end, a distal end, a first insertion tip at the distal end, and a first articulating joint that separates said first leg into a proximal segment and a distal segment that is deflectable relative to the proximal segment, and a second leg including a proximal end, a distal end, a second insertion tip at the distal end, and a second articulating joint that separates said second leg into a proximal segment and a distal segment that is deflectable relative to the proximal segment. A bridge connects the proximal ends of the first and second legs for forming a closed end of the surgical fastener. After implantation in tissue, the insertion tips are deflectable away from vessels and nerves to minimize injury to the vessels and nerves, and to minimize patient discomfort and pain.

The invention relates to a combined coal powder storage and supply system which comprises a coal powder storage tank, a weighing coal powder supply silo, a pulse-free coal powder supply device and a support; the coal powder storage tank is vertically arranged at the top of the support, the weighing coal powder supply silo is vertically arranged on the support below the coal powder storage tank, the pulse-free coal powder supply device is arranged below a discharging opening of the weighing coal powder supply silo, and a flexible connector in the center at the top of a sealing head of the weighing coal powder supply silo is connected with a discharging opening of the coal powder storage tank through a rotary valve; and a fluidization component is arranged on the outer wall of a conical hopper of the coal powder storage tank, and a coal powder anti-arching stirring device is arranged on a hopper of the weighing coal powder supply silo. The invention has compact structure, reasonable layout, automatic feeding and stable supply and can solve the problems frequently existing in the ordinary coal storage silo and the supply silo of birdnesting, bridging, rat hole, channeling, wall build-up, breakage, self combustion, and the like; and the invention can be widely used in any situation where the small and medium-sized industrial coal powder boilers are required.

The invention discloses a dustproof and heat radiation electric power cabinet having a fire extinguishing function. The dustproof and heat radiation electric power cabinet comprises an electric powercabinet. The bottom parts of the left and right side walls of the electric power cabinet are evenly provided with multiple air inlet holes. The middle position of the top wall of the electric power cabinet is evenly provided with multiple air outlet holes. The left and right side walls and the top wall of the electric power cabinet are slidably connected with ventilating plates through slide rails, and the ventilating plates are provided with ventilating holes. The left and right side walls and the top wall of the electric power cabinet are fixedly provided with fixing blocks which are connected with one end of the ventilating plates through springs. The other end of each ventilating plate is fixedly connected with a second buckle. First buckles buckled with the second buckles are hinged on the bottom part and the side walls of the electric power cabinet through supports. The material of the first buckles is iron. Electromagnets matched with the first buckles are fixedly connected on the bottom part and the side walls of the electric power cabinet. Electrification is performed through the electromagnets so that the buckles are enabled to be released, and the ventilating plates slide to seal the air inlet holes and the air outlet holes to isolate oxygen and spreading of the fire can be prevented, the fire can be quickly extinguished and the loss can be reduced.

A surgical fastener for securing a prosthetic device to tissue includes a first leg having a proximal end, a distal end, a first insertion tip at the distal end, and a first articulating joint that separates said first leg into a proximal segment and a distal segment that is deflectable relative to the proximal segment, and a second leg including a proximal end, a distal end, a second insertion tip at the distal end, and a second articulating joint that separates said second leg into a proximal segment and a distal segment that is deflectable relative to the proximal segment. A bridge connects the proximal ends of the first and second legs for forming a closed end of the surgical fastener. After implantation in tissue, the insertion tips are deflectable away from vessels and nerves to minimize injury to the vessels and nerves, and to minimize patient discomfort and pain.

Disclosed is an apparatus for extinguishing a battery-pack fire upon the occurrence of a fire in the battery pack. The apparatus for extinguishing fire on a battery pack according to the present invention comprises: a fire detecting sensor for sensing whether or not a battery-pack fire has occurred; a fire extinguishing agent storage tank which stores a fire extinguishing agent in a space therein; and a control unit which causes the fire extinguishing agent in the fire extinguishing agent storage tank to be injected into the battery pack upon the sensing of the occurrence of a fire by the fire detecting sensor.

The present invention relates to a fire extinguishing firefighting drone which, in case of a fire in a house, a structure, a building, or the like, can be rapidly introduced and extinguish a fire in an early stage of the fire, and can be remotely operated in an unmanned manner through connection with a central control system. The fire extinguishing firefighting drone includes a flight unit configured to include propeller units, a disaster prevention turret unit configured to spray a fire-extinguishing chemical, a plurality of movement units configured to move a body unit, and a disaster prevention means unit configured to be provided with items adapted to spray a fire-extinguishing chemical, to launch a fire-extinguishing bomb, or to save lives.

The invention relates to a monocular vision technique based fire monitor control method for adjusting relative positions of a fire point and a water-drop point, which belongs to the technical field of fire monitoring and self-extinguishing. By using a method for controlling a pitching angle and a horizontal angle for a plurality of times respectively in sequence, the fire monitor control method solves the problem of adjusting the relative positions of the fire point and the water-drop point in a three-dimensional space by using a two-dimensional image so that the water-drop point of the fire monitor can track the changes of the position of the fire point in real time so as to provide a condition for the self-extinguishing in a large space.

The invention provides a robot, a fire-extinguishing system and a fire-extinguishing method. A body of the robot is provided with a mobile module, a first control module and a fire-extinguishing module, wherein the mobile module is connected with a rail and used for driving the body of the robot to move along the rail; the rail is arranged inside a preset place which comprises at least one fire-extinguishing subarea; the first control module is connected with the mobile module and used for driving the body of the robot to move to the fire occurrence subarea of the preset place by controlling the mobile module; and the fire-extinguishing module is used for executing fire-extinguishing operation after the body of the robot moves to the fire occurrence subarea. The invention can realize quick, long-distance, wide-range and automatically controlled fire-extinguishing.

The invention discloses an automatic electric switch cabinet fire extinguishing system and a fire recognition method, wherein the automatic electric switch cabinet fire extinguishing system comprises a fire extinguishing agent nozzle which is arranged in an electric switch cabinet; the fire extinguishing agent nozzle is connected with a storage device in which a non-conducting fire extinguishing agent is stored through a pipeline; an electromagnetic valve which is controlled by a central controller is arranged on a pipeline; a photoelectric sensor is also arranged in the electric switch cabinet; and the photoelectric sensor outputs a detection signal to the central controller and then the central controller judges whether to open the electromagnetic valve. The automatic electric switch cabinet fire extinguishing system is capable of responding sudden electric fire and reducing the loss caused thereby. Fire extinguishing agents such as heptafluoropropane and superfine dry powder are used and non-conducting, so that secondary danger caused by conduction of fire extinguishing agents does not occur; and the fire extinguishing agents are environmental-friendly, so that the damage to the environment caused by conduction of fire extinguishing agents also does not occur. The photoelectric sensor is used, so that the fire such as electric arc and the like in the switch cabinet can be rapidly and correctly detected.

A platform of a smart security protection integrated system includes a fire extinguishing device, a security notifying device, a communication transmission device, an automatic moving device, and a detecting device. The fire extinguishing device has a fire extinguisher cylinder and a nozzle that is able to target a fire source to spread fire extinguisher agents. The security notifying device is set in the platform and has an infrared night-vision camera for active detection and video recording. The communication transmission device is set in the platform and has a Wi-Fi signal transmitter and a GSM signal transmitter to transmit videos recorded by the security notifying device to relevant emergency personnel. The automatic moving device is set on the exterior of the platform to enable automatic multi-directional movement and automatic obstacle avoidance for the platform. The detecting device is set in the platform and has an infrared thermal imager, a high resolution video system, and a gas detection system to detect if the environment is abnormal, to send an alarm, and to transmit video to relevant emergency personnel. The platform utilizes the above features to achieve the functions of automatic controlling and monitoring, automatic fire extinguishing, automatic reporting, so as to improve the efficiency of fire reporting and responding.

The present invention provides a fast, low-cost, small diverter capable of generating a relatively high impulse (1-5 N-sec) over a short time period. The diverter is adapted for installation in a projectile for steering the projectile in flight by ejecting an end cap or hot burning gases in response to control signals from a guidance system. In one embodiment, multiple diverters are arranged in one or more bands about a flying projectile such as a rocket. Each diverter includes a header assembly providing support for a plurality of electrical leads, a mounting surface either on the header assembly or on a sealing assembly, a reactive semiconductor bridge mounted on the mounting surface and providing an electrical path for the electrical leads at a certain voltage across the bridge, a diverter body supporting the header assembly and containing a prime, wherein the reactive semiconductor bridge and the prime permit a gap, and an end cap or a sealing assembly attached to the diverter body containing the propellant.

The invention discloses a novel method for preparing a cold-resistant and seawater-resistant aqueous filmforming foam extinguishing agent. According to the formula, the cold-resistant and seawater-resistant aqueous filmforming foam extinguishing agent consists of the following raw materials in part by weight: 300 to 400 parts of composite burn resistance agent, 6 to 10 parts of sodium benzoate, 50 to 100 parts of urea, 5 to 9 parts of xanthan gum, 200 to 400 parts of amphoteric hydrocarbon surfactant, 20 to 40 parts of alkyl polyglucoside (APG), 80 to 200 parts of glycol, 30 to 60 parts of butyl cellosolve, 10 to 30 parts of FC115710, 20 to 60 parts of FC120320, 20 to 40 parts of low-molecular-weight fluorinated surfactant, and 20 to 60 parts of buffering agent. The product prepared by the method is low in cost, and suitable for fresh water and seawater; and after the agent and the seawater or the fresh water are mixed in a use mixing ratio, the foam property and the extinguishment performance of the agent change slightly, the expansion rate of foam is high, 25 percent liquid drainage time is long, the foams are stable, the extinguishment speed is high and the burn resistance performance is good.

The invention discloses a fireproof high-molecular compound colloid material for coal mines, which belongs to fireproof materials. The fireproof high-molecular compound colloid material is compounded from 40-100 portions of high-molecular compound and 52-98 portions of an inorganic material, wherein the high-molecular compound is polyacrylate, or is composed of 40-55 portions of polyacrylate, 0-30 portions of carboxymethyl cellulose and 0-15 portions of polyacrylamide; the inorganic material is composed of 30-50 portions of bentonite, 12-18 portions of alumina shale powder, 10-20 portions of kaolin, 0-5 portions of attapulgite and 0-5 portions of clay; and the fineness of each raw material is less than 120 um. The preparation method of the colloid material comprises the following steps: mixing the high-molecular compound for 3-5 minutes; and after respectively spraying the inorganic material on a dry mixer, sufficiently and uniformly mixing the 8 materials for 8-10 minutes. The colloid material has the advantages of high water content, high moisture retention, high heat absorption capacity, quick fireproof effect taking, favorable effect, low possibility of afterburning and low composite cost, and is suitable for preventing and controlling fire for the spontaneous combustion and inflammation laws of different types of coal; and the downhole operation is simple and safe.

A paintball gun system comprises a bolt defining a propellant passageway and a gun body defining the following elements: a receptacle for receiving the bolt, a firing charge storage chamber adjacent to but separate from the bolt receptacle, a gas inlet port, a first passageway between the storage chamber and the receptacle, a second fixed passageway between the gas inlet and the receptacle. The first passageway communicates with a first flow opening into the receptacle and the second passageway communicates with a second flow opening into the receptacle. The bolt is axially movable between a chargeup position and a firing position. In the chargeup position, the bolt and the body together define a confined flow circuit between the first opening and the storage chamber. In the firing position, the bolt and the body together define a confined flow circuit between the storage chamber and the discharge inlet.

A method for fabricating a ceramic article which includes providing a batch comprising components of (i) a mixture of inorganic raw materials comprising talc, alumina, and silica; (ii) a binder comprising a water-soluble organic binder and a fibrous silicate mineral having a high aspect ratio in combination with a large surface area that is highly charged and has a strong interaction with a polar solvent, and is further characterized by a median particle size of 1-2 microns; and (iii) a polar solvent; mixing the batch components to form a homogenous and plasticized mass; shaping the plasticized mass into a green body wherein the green body has improved strength in a temperature region between 300°-900° C. to resist cracking during subsequent sintering; and, sintering the green body by heating to a temperature and for a time to initiate and sufficiently achieve conversion of the green body into a fired ceramic article.

A pistol has a forwardly extending cylindrical shaft with a cylindrical bearing surface. A rotatable cylinder is mounted on the bearing surface. A cylindrical chamber in the rotatable cylinder receives a cartridge. A firing pin ring with a firing pin aligned with the chamber is mounted on the bearing surface. A hammer safety lock includes a hole in the firing pin ring with a rearwardly extending pin. A barrel receives the cylindrical shaft. A barrel sleeve is positioned between the barrel and the shaft. A cartridge extraction tool is operable after axial sliding and separation between the cylinder and the cylindrical shaft. The cartridge extraction tool is adapted to be inserted into the chamber of the cylinder from the end remote from the firing pin ring to remove a cartridge.