Provided is an injection head equipped with a silencing means for gas-based fire extinguishing equipment, the injection head having improved performance for dispersing fire extinguishing agent gas without a decrease in silencing performance, the injection head thus being suitably usable with, e.g., low flow-rate fire extinguishing equipment with an extended fire extinguishing agent gas emission time, and a fire extinguishing target section having a large floor area relative to volume. An injection head 1A equipped with a silencing means is installed in gas-based fire extinguishing equipment that uses a fire extinguishing agent gas, to discharge the fire extinguishing agent gas to a fire extinguishing target section. The silencing means is composed of a silencing member 4 made of a porous material disposed at an outlet portion of an orifice 31, through which porous material gas can flow. The silencing member 4 is provided with an exposed portion 4A of which a circumferential end face is open to the atmosphere, and a high-speed discharge portion 4B from which the fire extinguishing agent gas is discharged in a specific direction at a higher speed than the speed at which the fire extinguishing agent gas is discharged from the exposed portion 4A. The exposed portion 4A and the high-speed discharge portion 4B are partitioned.
An injection head for liquid fire extinguishing agent that has an injection head including an injection head body connecting with a pipe providing the liquid fire extinguishing agent, an orifice plate arranged in the injection head body and formed with an orifice through which flowing the liquid fire extinguishing agent and, a porous member having a block shape arranged in an exiting part of the orifice and, a baffle plate arranged contacting with an end surface of the porous member opposite side of the exiting part of the orifice; and the baffle plate covers at least a projected area of a circumscribed circle of the orifice of the end surface of the porous member and, the liquid fire extinguishing agent is released via a gap formed between the injection head body and the baffle plate.
B05B 1/34 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
B05B 1/00 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
A62C 35/68 - Pipe-line systems - Details, e.g. of pipes or valve systems
B05B 1/14 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with strainers in or outside the outlet opening
A62C 31/02 - Nozzles specially adapted for fire-extinguishing
B05B 15/40 - Filters located upstream of the spraying outlets
3.
INJECTION HEAD HAVING SILENCING FUNCTION FOR GAS-TYPE FIRE EXTINGUISHER AND METHOD FOR STORING AND ASSEMBLING THEREOF
By making it to provide an injection head having silencing function for gas-type fire extinguisher and method for storing and assembling thereof capable of eliminating the problems of limitations of place of storage and the cost increase, by making it easy to storage the injection head as stock, the injection head is comprising an injection head main body forming a connecting part for connecting a pipe, an orifice plate forming orifice disposed in the injection head main body for passing the fire extinguishing gas, and a silencing member of block shapes formed on porous material capable of passing the fire extinguishing gas disposed at the outlet side of the orifice plate for releasing the fire extinguishing gas, wherein the orifice plate is disposed detachably in the injection head main body through an opening in the side of a connecting part connected to a piping of the injection head main body.
An injection head is configured to discharge a liquefied fire-extinguishing agent. The injection head includes an injection head body configured to be connected to piping for supplying the liquefied fire-extinguishing agent; an orifice plate positioned in the injection head body, the orifice plate including orifices defined therein; a block-shaped porous member positioned at an outlet of the orifice plate; and a deflector positioned across from the block-shaped porous member such that a discharging clearance for the liquefied fire-extinguishing agent is defined.
A62C 31/02 - Nozzles specially adapted for fire-extinguishing
B05B 1/34 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
A62C 99/00 - Subject matter not provided for in other groups of this subclass
B05B 1/14 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with strainers in or outside the outlet opening
B05B 15/40 - Filters located upstream of the spraying outlets
In order to provide a spray head for a liquefied fire-extinguishing agent, the spray head having excellent vaporization characteristics and and excellent characteristics for scattering the liquefied fire-extinguishing agent, and being configured so that it is possible to increase the fire-extinguishing range that can be covered by a single spray head and also possible to raise the rate at which noise is reduced, this spray head 1 for a liquefied fire-extinguishing agent comprises a spray head body 2 to which there is connected piping for supplying a liquefied fire-extinguishing agent, an orifice plate 3 that is installed in the spray head body 2 and that has formed therein orifices 31 through which the liquid fire-extinguishing agent passes, a block-shaped porous member 4 installed in an outlet part of the orifices 31, and a baffle plate 5 installed so as to be in contact with an end surface of the porous member 4 that is on the side opposite from the outlet part of the orifices 31, the baffle plate 5 being configured so as to cover at least a projected area portion of a circumscribed circle 31c of the orifices 31 at the end surface of the porous member 4, and moreover being configured so that the liquefied fire-extinguishing agent is released through a gap 6 between the spray head body 2 and the baffle plate 5.
In order to provide a spray head for a liquefied fire-extinguishing agent, the spray head having excellent vaporization characteristics and and excellent characteristics for scattering the liquefied fire-extinguishing agent, and being configured so that it is possible to increase the fire-extinguishing range that can be covered by a single spray head and also possible to raise the rate at which noise is reduced, this spray head 1 for a liquefied fire-extinguishing agent comprises a spray head body 2 to which there is connected piping for supplying a liquefied fire-extinguishing agent, an orifice plate 3 that is installed in the spray head body 2 and that has formed therein orifices 31 through which the liquid fire-extinguishing agent passes, a block-shaped porous member 4 installed in an outlet part of the orifices 31, and a baffle plate 5 installed so as to be in contact with an end surface of the porous member 4 that is on the side opposite from the outlet part of the orifices 31, the baffle plate 5 being configured so as to cover at least a projected area portion of a circumscribed circle 31c of the orifices 31 at the end surface of the porous member 4, and moreover being configured so that the liquefied fire-extinguishing agent is released through a gap 6 between the spray head body 2 and the baffle plate 5.
In order to provide a portable fire extinguisher suitable for first-aid fire extinguishing, the fire extinguisher, using as the fire-extinguishing agent inert gas, etc. not limited in the object to be extinguished and the method of use due to toxicity to human body and making easy to maintain the necessary concentration of the fire-extinguishing agent, thus securing the effective fire-extinguishing effect, has the fire-extinguishing agent storage container to which the nozzle portion to discharge the fire-extinguishing agent is connected and made portable so as to be able to discharge the fire-extinguishing agent toward the object to be extinguished, and the nitrogen gas is stored in the fire-extinguishing agent storage container and at the outlet portion of the flow route of the fire-extinguishing agent formed in the nozzle portion, a metallic porous member in installed.
A62C 13/76 - Portable extinguishers which are permanently pressurised or pressurised immediately before use - Details or accessories
A62C 13/64 - Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve
A62C 99/00 - Subject matter not provided for in other groups of this subclass
In order to provide a spray head for a liquefied fire-extinguishing agent that has excellent diffusion characteristics and vaporization characteristics, enables expansion of a fire extinguishing range which can be covered by a single spray head, and enables an increase in the ratio of noise reduction, the present invention provides a spray head 1 installed in order to discharge a liquefied fire-extinguishing agent to an area to undergo fire extinguishing in a fire extinguishing facility that uses the liquefied fire-extinguishing agent, the spray head 1 comprising a spray head body 2 to which piping that supplies the liquefied fire-extinguishing agent is connected, an orifice plate 3 that is arranged in the spray head body 2 and has orifices 31 formed therein, a block-form porous member 4 provided to an outlet part of the orifices 31, and a deflector 6 arranged on the porous member 4 and separated by a discharge gap D for the liquefied fire-extinguishing agent.
To provide a injection head for liquefied fire-extinguishing agent that has good diffusing and vaporizing properties of the liquefied fire-extinguishing agent and that can increase the range subject to fire-extinguishing that can be covered with one injection head and that can raise the rate of reducing noise. Means to solve the problem: Injection head 1 to be installed to discharge the liquefied fire-extinguishing agent to the fire-extinguishing subject area in the fire-extinguishing equipment to use the liquefied fire-extinguishing agent, and it is equipped with injection head proper 2 to which piping to supply the liquefied fire-extinguishing agent is connected, orifice plate 3 forming orifices 31 installed to the injection head proper 2, block-shaped porous member 4 installed at the outlet of the orifices 31, and deflector 6 installed across discharging clearance D of the liquefied fire-extinguishing agent to the porous member 4.
The purpose of the present invention is to provide: a jet head having a silencing function for gas-based fire extinguishing equipment, which is configured to be able to resolve the problems of storage area restriction and cost increase by designing a jet head in such a manner as to allow for ease in storage thereof; and a method for storing and assembling the same. In order to accomplish this purpose, a jet head 1 is provided with: a jet head body 2 having a connection part 21 to be connected to piping; orifice plates 31, 32 which are disposed in the jet head body 2 and which have orifices 31a, 32a formed therein so as to allow an extinguishant gas to circulate therethrough; and a block-shaped silencing member 4 which is disposed at an extinguishant gas exit side of the orifice plate 32 and which is composed of a porous material capable of allowing the extinguishant gas to pass therethrough, wherein the orifice plate 31 is configured to be attachable to and detachable from the jet head body 2 through an opening 22 formed in the jet head body 2 at the side of the connection part 21 that is to be connected to the piping.
The purpose of the present invention is to provide: a jet head having a silencing function for gas-based fire extinguishing equipment, which is configured to be able to resolve the problems of storage area restriction and cost increase by designing a jet head in such a manner as to allow for ease in storage thereof; and a method for storing and assembling the same. In order to accomplish this purpose, a jet head 1 is provided with: a jet head body 2 having a connection part 21 to be connected to piping; orifice plates 31, 32 which are disposed in the jet head body 2 and which have orifices 31a, 32a formed therein so as to allow an extinguishant gas to circulate therethrough; and a block-shaped silencing member 4 which is disposed at an extinguishant gas exit side of the orifice plate 32 and which is composed of a porous material capable of allowing the extinguishant gas to pass therethrough, wherein the orifice plate 31 is configured to be attachable to and detachable from the jet head body 2 through an opening 22 formed in the jet head body 2 at the side of the connection part 21 that is to be connected to the piping.
In order to provide a portable fire extinguisher suitable for initial fire extinguishing in which an inert gas, etc., for which there is no restriction to the method of use or to the fire extinguishing subject due to the toxicity of an extinguishant on the human body, is used as an extinguishant, and it is made easier to maintain the extinguishant concentration necessary to extinguish a fire, whereby an effective fire extinguishing effect can be obtained, there is provided a fire extinguisher 1 in which nitrogen gas is used as an extinguishant and an extinguishant storage container 2, to which a nozzle part 3 for discharging the extinguishant is connected, is configured so as to be capable of being carried by a person so as to make it possible to discharge the extinguishant towards the fire extinguishing subject, wherein nitrogen gas is stored in the extinguishant storage container 2 and a metal porous member 31 is installed at the outlet of an extinguishant channeling path formed in the nozzle part 3.
In order to provide a portable fire extinguisher suitable for initial fire extinguishing in which an inert gas, etc., for which there is no restriction to the method of use or to the fire extinguishing subject due to the toxicity of an extinguishant on the human body, is used as an extinguishant, and it is made easier to maintain the extinguishant concentration necessary to extinguish a fire, whereby an effective fire extinguishing effect can be obtained, there is provided a fire extinguisher 1 in which nitrogen gas is used as an extinguishant and an extinguishant storage container 2, to which a nozzle part 3 for discharging the extinguishant is connected, is configured so as to be capable of being carried by a person so as to make it possible to discharge the extinguishant towards the fire extinguishing subject, wherein nitrogen gas is stored in the extinguishant storage container 2 and a metal porous member 31 is installed at the outlet of an extinguishant channeling path formed in the nozzle part 3.
An injection head includes a silencing unit installed for releasing a fire-extinguishing gas in a fire-extinguishing area in the gas type fire extinguisher using a fire-extinguishing gas. The silencing unit includes silencing members of block shapes made of a porous material capable of passing a gas disposed at an outlet of an orifice. A first end face of the silencing member is disposed in contact with the injector head main body, while a peripheral face and a second end face of the silencing member are opened to the atmosphere except for the portion contacting a ring member for fixing the silencing member to the injection head main body by a bolt.
To present an injection head having silencing function for gas type fire extinguisher capable of reducing the noise generated upon release of fire extinguishing gas.
In a gas type fire extinguisher using a fire extinguishing gas, a silencer 3A is disposed in an injection head 1A installed for releasing a fire extinguishing gas into a fire extinguishing area.
To present an injection head for gas-type fire exchanger using an injection head of a small size, capable of enhancing the noise reduction rate, and lowering the injection reaction of the fire-extinguishing gas applied to the injection head at the time of release of the fire-extinguishing gas. An injection head 1 having silencing means installed for releasing a fire-extinguishing gas in a fire-extinguishing area in the gas type fire extinguisher using a fire-extinguishing gas, in which the silencing means includes silencing members 4 of block shapes made of a porous material capable of passing a gas disposed at an outlet of the orifice 31, and a one-side end face of the silencing member 4 is disposed in contact with the injector head main body 2, and a peripheral face and an other-side end face of the silencing member 4 are opened to the atmosphere except for the portion contacting with a ring member 6 for fixing the silencing member 4 to the injection head main body 2 by way of a bolt 5.
The purpose of the invention is to provide a spray head for gaseous fire extinguishing equipment, which is configured so that the noise reduction rate can be increased and the spray reaction force of the fire extinguishing agent gas on the spray head when the fire extinguishing agent gas is released can be reduced using a small spray head. A spray head (1), which is installed in gaseous fire extinguishing equipment that uses a fire extinguishing agent gas to release the fire extinguishing agent gas on the area in which fire is to be extinguished and which is provided with a silencing means. The silencing means is configured from a block-shaped silencing member (4), which is disposed on the outlet section of an orifice (31) and is obtained from a porous material through which gas can flow. The end face on one side of the silencing member (4) is disposed in contact with the main body (2) of the spray head, and the circumferential surface and the end face on the other side of the silencing means (4), excluding the portion in contact with a ring member (6) that fixes the silencing member (4) to the main body (2) of the spray head via bolts (5), are open to the atmosphere.
09 - Scientific and electric apparatus and instruments
Goods & Services
Fire extinguishing systems; gas fire suppression systems; fire extinguishers; fire hydrants; fire hose nozzles; sprinkler systems for fire protection; fire alarms; gas alarms; control machines and apparatus for fire extinguishing and suppression systems; parts and fittings for all the aforesaid goods.
09 - Scientific and electric apparatus and instruments
Goods & Services
Fire-extinguishing systems; Gas fire suppression systems and component parts thereof, for use in buildings, homes, museums, computer rooms, occupied signal transition machine rooms, fire protection centers, control rooms or other rooms containing electronics, machinery or other sensitive items, materials or equipment, racing vehicles, armored vehicles, military vehicles, commercial vehicles, marine vehicles, and aviation vehicles, comprised of charged bottles, charge gages, mounting bases and straps, pull cables, nozzles, fittings, tubing, lock-out valves and switches, manual control panels, release valves and switches, and stickers; fire extinguishers; fire hydrants; fire hose nozzles; sprinkler systems for fire protection; fire alarms; gas alarms; Automatic electric control panels and manual control panels for use in water, bubble, powder, gas, carbon dioxide, nitrogen gas, argon gas and fluorine gas fire extinguishing and suppression systems
09 - Scientific and electric apparatus and instruments
Goods & Services
Fire-extinguishing systems; Gas fire suppression systems and component parts thereof, for use in buildings, homes, museums, computer rooms, occupied signal transition machine rooms, fire protection centers, control rooms or other rooms containing electronics, machinery or other sensitive items, materials or equipment, racing vehicles, armored vehicles, military vehicles, commercial vehicles, marine vehicles, and aviation vehicles, comprised of charged bottles, charge gages, mounting bases and straps, pull cables, nozzles, fittings, tubing, lock-out valves and switches, manual control panels, release valves and switches, and stickers; fire extinguishers; fire hydrants; fire hose nozzles; sprinkler systems for fire protection; fire alarms; gas alarms; Automatic electric control panels and manual control panels for use in water, bubble, powder, gas, carbon dioxide, nitrogen gas, argon gas and fluorine gas fire extinguishing and suppression systems
