JP2015192875A5 - - Google Patents
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- JP2015192875A5 JP2015192875A5 JP2015116171A JP2015116171A JP2015192875A5 JP 2015192875 A5 JP2015192875 A5 JP 2015192875A5 JP 2015116171 A JP2015116171 A JP 2015116171A JP 2015116171 A JP2015116171 A JP 2015116171A JP 2015192875 A5 JP2015192875 A5 JP 2015192875A5
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- fire extinguishing
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- absorbing material
- ejection head
- silencer
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- 230000002093 peripheral Effects 0.000 claims description 36
- 230000003584 silencer Effects 0.000 claims description 33
- 239000011358 absorbing material Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 49
- 230000000875 corresponding Effects 0.000 description 9
- 230000001743 silencing Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Description
本発明は、消火ガス供給源から供給される消火ガスを噴射するノズル部を有する噴射ヘッドと、
前記噴射ヘッドに着脱可能に設けられる消音装置であって、前記消火対象区画内に消火ガスを放出する消音装置と、を含み、
前記消音装置は、
前記噴射ヘッドに着脱可能に形成される取付け部、および該取り付け部から、前記消火ガスの噴射方向に離れて設けられる端壁を含む保持部と、
前記保持部に保持された状態で、前記端壁の内面と面接触する一方の端面、前記噴射ヘッドのノズル部の端面と面接触する他方の端面、および前記一方の端面と前記他方の端面との間の側面を有する吸音材とを、備え、
前記噴射ヘッドから噴射された消火ガスが過膨張して衝撃波を発生する前に、該消火ガスを前記吸音材に直接流入させ、前記吸音材によって減圧膨張させて該消火ガスの流速を減速させて、前記吸音材の前記一方の端面および前記側面の少なくともいずれか一方から、減速させた消火ガスを放出させることを特徴とするガス消火設備である。
The present invention includes an ejection head having a nozzle portion for ejecting fire extinguishing gas supplied from a fire extinguishing gas supply source;
A muffler that is detachably provided on the ejection head, and includes a muffler that emits a fire extinguishing gas into the fire extinguishing target section,
The silencer is
A mounting portion formed detachably on the jet head, and a holding portion including an end wall provided away from the mounting portion in the fire-extinguishing gas jetting direction;
One end surface that is in surface contact with the inner surface of the end wall, the other end surface that is in surface contact with the end surface of the nozzle portion of the ejection head, and the one end surface and the other end surface while being held by the holding portion. A sound-absorbing material having a side surface between,
Before the fire extinguishing gas ejected from the ejection head overexpands and generates a shock wave, the fire extinguishing gas is directly flowed into the sound absorbing material and decompressed and expanded by the sound absorbing material to reduce the flow rate of the fire extinguishing gas. The gas fire extinguishing equipment is characterized in that the fire extinguishing gas decelerated is discharged from at least one of the one end face and the side face of the sound absorbing material.
また本発明は、前記吸音材は、柱状の空隙が連続した多孔質金属からなることを特徴とする。 In the invention, it is preferable that the sound absorbing material is made of a porous metal in which columnar voids are continuous.
また本発明は、前記ケーシングは、前記吸音材を前記取付け部側から装填可能に構成されることを特徴とする。 Moreover, the present invention is characterized in that the casing is configured so that the sound absorbing material can be loaded from the mounting portion side.
また本発明は、前記ノズル部は、噴射方向下流側の外周部に刻設された外ねじを有し、
前記取付け部は、内周部に刻設された、該外ねじに螺合する内ねじを有することを特徴とする。
Further, in the present invention, the nozzle part has an external screw engraved on the outer peripheral part on the downstream side in the injection direction,
The attachment portion has an inner screw that is engraved on the inner peripheral portion and is screwed to the outer screw.
図１は、消火設備に備えられる消火ガス噴射部１１を示す斜視図である。本実施形態のガス消火設備は、建物の消火対象区画内に設けられ、高圧の消火ガスを前記消火対象区画内の空間に向けて噴射するノズル部１２を有する噴射ヘッド１３と、噴射ヘッド１３が接続され、噴射ヘッド１３に高圧の消火ガスを導く導管１４と、導管１４に高圧の不活性ガスを供給する消火ガス供給源１５と、噴射ヘッド１３に設けられ、ノズル部１２に形成されるノズル孔１６から噴射される消火ガスの噴射による噴射音などに起因して発生する音響を減衰させる消音装置１７とを含む。 Figure 1 is a perspective view showing the fire extinguishing gas jetting unit 11 provided in the firefighting equipment. The gas fire extinguishing equipment of the present embodiment is provided in a fire extinguishing target section of a building, and includes a jet head 13 having a nozzle portion 12 that jets high-pressure fire extinguishing gas toward a space in the fire extinguishing target section, and a jet head 13. A conduit 14 that is connected to guide the high-pressure fire extinguishing gas to the jet head 13, a fire-extinguishing gas supply source 15 that supplies a high-pressure inert gas to the conduit 14, and a nozzle that is provided in the jet head 13 and formed in the nozzle portion 12. And a muffler 17 for attenuating sound generated due to the injection sound caused by the injection of the fire extinguishing gas injected from the hole 16.
図３は、他の形態のガス消火設備に備えられる消音装置１７ａを示す拡大断面図である。なお、前述の実施形態に対応する部分には、同一の参照符を付す。本実施形態の前記消音装置１７ａは、円筒状の周壁２５と、周壁２５の軸線方向一端部に該周壁２５の軸線に垂直に形成される端壁２６と、周壁２５の軸線方向他端部に、噴射ヘッド１３が一体的に形成される取付け部２７と、噴射ヘッド１３のノズル部１２における消火ガスの噴射方向下流側に臨む部分２８に設けられる内筒体２９とを含む。 Drawing 3 is an expanded sectional view showing silencer 17a with which a gas fire extinguishing equipment of other forms is equipped. Note that parts corresponding to those of the above-described embodiment are denoted by the same reference numerals. The silencer 17a of the present embodiment includes a cylindrical peripheral wall 25, an end wall 26 formed perpendicularly to the axial line of the peripheral wall 25 at one axial end of the peripheral wall 25, and an axial end of the peripheral wall 25. The mounting portion 27 integrally formed with the ejection head 13 and the inner cylinder 29 provided at the portion 28 facing the downstream side of the fire extinguishing gas ejection direction in the nozzle portion 12 of the ejection head 13 are included.
図４は、他の形態のガス消火設備に備えられる消音装置１７ｂを示す拡大断面図である。本実施形態の消音装置１７ｂは、円筒状の周壁３５と、周壁３５の軸線方向一端部に該周壁３５の軸線に垂直に形成される端壁３６と、周壁３５の軸線方向他端部に噴射ヘッド１３に着脱可能に形成される取付け部３７とを有する。端壁３６には、複数の通気孔３８が該端壁３６の厚み方向に貫通して形成される。 FIG. 4 is an enlarged cross-sectional view showing a silencer 17b provided in another form of gas fire extinguishing equipment. The silencer 17b of the present embodiment has a cylindrical peripheral wall 35, an end wall 36 formed perpendicular to the axial line of the peripheral wall 35 at one end in the axial direction of the peripheral wall 35, and an injection at the other axial end of the peripheral wall 35. And an attachment portion 37 detachably formed on the head 13. A plurality of vent holes 38 are formed in the end wall 36 so as to penetrate in the thickness direction of the end wall 36.
図５は、他の形態のガス消火設備に備えられる消音装置１７ｃを示す拡大断面図である。なお、前述の実施形態に対応する部分には、同一の参照符を付す。本実施形態の消音装置１７は、円筒状の周壁４１と、周壁４１の軸線方向一端部に該周壁４１の軸線に垂直に形成される端壁４２と、周壁４１の軸線方向他端部に、噴射ヘッド１３に着脱可能に形成される取付け部４３とを有する。周壁４１には、複数の通気孔４４が該周壁４１の厚み方向に貫通して形成される。 FIG. 5 is an enlarged cross-sectional view showing a silencer 17c provided in another form of gas fire extinguishing equipment. Note that parts corresponding to those of the above-described embodiment are denoted by the same reference numerals. The silencer 17 of the present embodiment includes a cylindrical peripheral wall 41, an end wall 42 formed perpendicularly to the axial line of the peripheral wall 41 at one axial end of the peripheral wall 41, and the other axial end of the peripheral wall 41. And an attachment portion 43 that is detachably formed on the ejection head 13. A plurality of vent holes 44 are formed in the peripheral wall 41 so as to penetrate in the thickness direction of the peripheral wall 41.
図６は、他の形態のガス消火設備の噴射ヘッド５０を示す断面図であり、図７は図６に示す噴射ヘッド５０による効果を説明するための断面図である。なお、前述の実施形態に対応する部分には、同一の参照符を付す。本実施形態のガス消火設備は、建物内に設けられ、高圧の消火ガスを前記建物内の空間に向けて噴射するノズル部１２を有する噴射ヘッド５０と、噴射ヘッド５０が接続され、噴射ヘッド５０に高圧の消火ガスを導く導管１４と、導管１４に高圧の消火ガスを供給する消火ガス供給源１５とを含む。 FIG. 6 is a cross-sectional view showing an ejection head 50 of another form of gas fire extinguishing equipment, and FIG. 7 is a cross-sectional view for explaining the effect of the ejection head 50 shown in FIG. Note that parts corresponding to those of the above-described embodiment are denoted by the same reference numerals. The gas fire extinguishing equipment of the present embodiment is provided in a building, and the ejection head 50 is connected to the ejection head 50 having the nozzle portion 12 that ejects high-pressure fire extinguishing gas toward the space in the building. A conduit 14 for introducing a high-pressure fire extinguishing gas into the pipe 14 and a fire-extinguishing gas supply source 15 for supplying the conduit 14 with a high-pressure fire extinguishing gas.
図８は、他の形態のガス消火設備に備えられる消音装置６０を示す拡大断面図である。なお、前述の実施形態に対応する部分には、同一の参照符を付す。本実施形態の消音装置６０は、円筒状の周壁６１と、周壁６１の軸線方向一端部に、枝管１９に着脱可能に形成される取付け部６２と、周壁６１の軸線方向他端部に、噴射ヘッド１３に着脱可能に形成される取付け部６３と、前記一端部に該周壁６１の軸線に垂直に形成される端壁６４と、前記他端部に該周壁６１の軸線に垂直に形成される端壁６５とを有する。 FIG. 8 is an enlarged cross-sectional view showing a silencer 60 provided in another form of gas fire extinguishing equipment. Note that parts corresponding to those of the above-described embodiment are denoted by the same reference numerals. The silencer 60 of the present embodiment includes a cylindrical peripheral wall 61, an end portion in the axial direction of the peripheral wall 61, a mounting portion 62 that is detachably formed on the branch pipe 19, and an end portion in the axial direction of the peripheral wall 61. A mounting portion 63 detachably formed on the ejection head 13, an end wall 64 formed perpendicular to the axis of the peripheral wall 61 at the one end, and a vertical axis of the peripheral wall 61 formed at the other end. End wall 65.
図９は、他の形態のガス消火設備に備えられる消音装置６０ａを示す拡大断面図である。なお、前述の実施形態に対応する部分には、同一の参照符を付す。本実施形態の消音装置６０ａは、円筒状の周壁６１と、周壁６１の軸線方向一端部に、枝管１９に着脱可能に形成される取付け部６２と、周壁６１の軸線方向他端部に、噴射ヘッド１３に着脱可能に形成される取付け部６３と、前記一端部に該周壁６１の軸線に垂直に形成される端壁６４ａと、前記他端部に該周壁６１の軸線に垂直に形成される端壁６５とを有する。 FIG. 9 is an enlarged cross-sectional view showing a silencer 60a provided in another form of gas fire extinguishing equipment. Note that parts corresponding to those of the above-described embodiment are denoted by the same reference numerals. The silencer 60a of the present embodiment includes a cylindrical peripheral wall 61, an end portion in the axial direction of the peripheral wall 61, a mounting portion 62 that is detachably formed on the branch pipe 19, and an end portion in the axial direction of the peripheral wall 61. A mounting portion 63 detachably formed on the ejection head 13, an end wall 64 a formed perpendicular to the axis of the peripheral wall 61 at the one end, and a vertical axis of the peripheral wall 61 formed at the other end. End wall 65.
図１０は、他の形態のガス消火設備に備えられる消音装置１７ｄを示す拡大断面図である。消音装置１７ｄは、たとえば消火対象区画の壁面に設けられる噴射ヘッド１３に取付けられて好適に使用される。 FIG. 10 is an enlarged cross-sectional view showing a silencer 17d provided in another form of gas fire extinguishing equipment. The silencer 17d is preferably used by being attached to the ejection head 13 provided on the wall surface of the fire extinguishing target section, for example.
図１２は、他の形態のガス消火設備に備えられる消音装置１７ｅを示す拡大断面図である。消音装置１７ｅは、たとえば消火対象区画の天井に設けられる噴射ヘッド１３に取付けられて好適に使用される。なお、前述の実施形態に対応する部分には、同一の参照符を付す。本実施形態の前記消音装置１７ｅは、円筒状の周壁８１と、周壁８１の軸線方向一端部に該周壁８１の軸線に垂直に形成される端壁８２と、噴射ヘッド１３に着脱可能に形成される取付け部８３を有し、周壁８１の軸線方向他端部に該周壁８１の軸線に垂直に形成される端壁８４と、端壁８２と端壁８４との間に、周壁８１の軸線に垂直に形成される障壁８５と、噴射ヘッド１３から噴射される消火ガスを、周壁８１、端壁８２および障壁８５によって規定される内部空間である消音室８６に導く円筒状の導通管８７と、周壁８１、端壁８４および障壁８５によって規定される内部空間である消音室８８内の消火ガスを消音装置１７ｅの外部に導く円筒状の複数の通気管８９ａとを含む。 FIG. 12 is an enlarged cross-sectional view showing a silencer 17e provided in another form of gas fire extinguishing equipment. The silencer 17e is preferably used by being attached to the jet head 13 provided on the ceiling of the fire extinguishing target section, for example. Note that parts corresponding to those of the above-described embodiment are denoted by the same reference numerals. The silencer 17e of the present embodiment is detachably formed on a cylindrical peripheral wall 81, an end wall 82 formed perpendicular to the axis of the peripheral wall 81 at one end in the axial direction of the peripheral wall 81, and the ejection head 13. An end wall 84 formed perpendicular to the axis of the peripheral wall 81 at the other end in the axial direction of the peripheral wall 81, and between the end wall 82 and the end wall 84, the axis of the peripheral wall 81 A vertically formed barrier 85, and a cylindrical conducting pipe 87 that guides a fire extinguishing gas ejected from the ejection head 13 to a sound deadening chamber 86 that is an internal space defined by the peripheral wall 81, the end wall 82, and the barrier 85; A plurality of cylindrical ventilation pipes 89a that guide the extinguishing gas in the silencing chamber 88, which is an internal space defined by the peripheral wall 81, the end wall 84, and the barrier 85, to the outside of the silencing device 17e.
図１３は、本発明の実施形態のガス消火設備に備えられる消音装置１７ｆを示す拡大断面図である。なお、前述の実施形態に対応する部分には、同一の参照符を付す。消音装置１７ｆは、たとえば消火対象区画の壁面に設けられる噴射ヘッド１３に取付けられて好適に使用される。 Figure 13 is an enlarged sectional view showing a silencer 17f provided in the gas fire-extinguishing system of implementation of the invention. Note that parts corresponding to those of the above-described embodiment are denoted by the same reference numerals. The muffler 17f is preferably used by being attached to the ejection head 13 provided on the wall surface of the fire extinguishing target section, for example.
図１４は、他の形態のガス消火設備に備えられる消音装置１７ｇを示す拡大断面図である。なお、前述の実施形態に対応する部分には、同一の参照符を付す。本実施形態において、消音装置１７ｇは、たとえば消火対象区画の壁面に設けられる噴射ヘッド１３に取付けられる。 FIG. 14 is an enlarged cross-sectional view showing a silencer 17g provided in another form of gas fire extinguishing equipment. Note that parts corresponding to those of the above-described embodiment are denoted by the same reference numerals. In the present embodiment, the silencer 17g is attached to the ejection head 13 provided on the wall surface of the fire extinguishing target section, for example.
図１５は、他の形態のガス消火設備に備えられる消音装置１７ｈを示す拡大断面図である。なお、前述の実施形態に対応する部分には、同一の参照符を付す。本実施形態において、消音装置１７ｈは、たとえば消火対象区画の壁面に設けられる枝管１９に噴射ヘッド１３を介して装着される。
FIG. 15 is an enlarged cross-sectional view showing a silencer 17h provided in another form of gas fire extinguishing equipment. Note that parts corresponding to those of the above-described embodiment are denoted by the same reference numerals. In the present embodiment, the silencer 17h is attached to the branch pipe 19 provided on the wall surface of the fire extinguishing target section via the ejection head 13, for example.
Claims (4)
前記噴射ヘッドに着脱可能に設けられる消音装置であって、前記消火対象区画内に消火ガスを放出する消音装置と、を含み、
前記消音装置は、
前記噴射ヘッドに着脱可能に形成される取付け部、および該取り付け部から、前記消火ガスの噴射方向に離れて設けられる端壁を含む保持部と、
前記保持部に保持された状態で、前記端壁の内面と面接触する一方の端面、前記噴射ヘッドのノズル部の端面と面接触する他方の端面、および前記一方の端面と前記他方の端面との間の側面を有する吸音材とを、備え、
前記噴射ヘッドから噴射された消火ガスが過膨張して衝撃波を発生する前に、該消火ガスを前記吸音材に直接流入させ、前記吸音材によって減圧膨張させて該消火ガスの流速を減速させて、前記吸音材の前記一方の端面および前記側面の少なくともいずれか一方から、減速させた消火ガスを放出させることを特徴とするガス消火設備。 An ejection head having a nozzle portion for ejecting fire-extinguishing gas supplied from a fire-extinguishing gas supply source;
A muffler that is detachably provided on the ejection head, and includes a muffler that emits a fire extinguishing gas into the fire extinguishing target section,
The silencer is
A mounting portion formed detachably on the jet head, and a holding portion including an end wall provided away from the mounting portion in the fire-extinguishing gas jetting direction;
One end surface that is in surface contact with the inner surface of the end wall, the other end surface that is in surface contact with the end surface of the nozzle portion of the ejection head, and the one end surface and the other end surface while being held by the holding portion. A sound-absorbing material having a side surface between,
Before the fire extinguishing gas ejected from the ejection head overexpands and generates a shock wave, the fire extinguishing gas is directly flowed into the sound absorbing material and decompressed and expanded by the sound absorbing material to reduce the flow rate of the fire extinguishing gas. A gas fire extinguishing equipment that discharges a decelerated fire extinguishing gas from at least one of the one end face and the side face of the sound absorbing material.
前記取付け部は、内周部に刻設された、該外ねじに螺合する内ねじを有することを特徴とする請求項１〜３のいずれか１つに記載のガス消火設備。 The nozzle portion has an external screw engraved on the outer peripheral portion on the downstream side in the injection direction,
The gas fire extinguishing equipment according to any one of claims 1 to 3, wherein the attachment portion has an inner screw that is engraved on an inner peripheral portion and is screwed to the outer screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015116171A JP6329514B2 (en) | 2009-10-23 | 2015-06-08 | Gas fire extinguishing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2009244986 | 2009-10-23 | ||
| JP2009244986 | 2009-10-23 | ||
| JP2010023575 | 2010-02-04 | ||
| JP2010023575 | 2010-02-04 | ||
| JP2010086586 | 2010-04-02 | ||
| JP2010086586 | 2010-04-02 | ||
| JP2015116171A JP6329514B2 (en) | 2009-10-23 | 2015-06-08 | Gas fire extinguishing equipment |
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| JP2014105467A Division JP2014144383A (en) | 2009-10-23 | 2014-05-21 | Equipment room, gas fire-extinguishing method and gas fire-extinguishing equipment |
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| JP2015192875A JP2015192875A (en) | 2015-11-05 |
| JP2015192875A5 true JP2015192875A5 (en) | 2015-12-24 |
| JP6329514B2 JP6329514B2 (en) | 2018-05-23 |
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| JP2011153352A Active JP4988945B2 (en) | 2009-10-23 | 2011-07-11 | Gas fire extinguishing equipment |
| JP2011267401A Active JP5576847B2 (en) | 2009-10-23 | 2011-12-06 | Gas fire extinguishing equipment |
| JP2011267400A Active JP5576846B2 (en) | 2009-10-23 | 2011-12-06 | Gas fire extinguishing equipment |
| JP2011267402A Pending JP2012055713A (en) | 2009-10-23 | 2011-12-06 | Gas fire-extinguishing equipment |
| JP2012082679A Pending JP2012157705A (en) | 2009-10-23 | 2012-03-30 | Gas fire-extinguishing facility and silencing device |
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| JP2014105467A Pending JP2014144383A (en) | 2009-10-23 | 2014-05-21 | Equipment room, gas fire-extinguishing method and gas fire-extinguishing equipment |
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| JP2014125348A Active JP5922711B2 (en) | 2009-10-23 | 2014-06-18 | Fire extinguishing gas injection device |
| JP2015099483A Active JP6329511B2 (en) | 2009-10-23 | 2015-05-14 | Gas fire extinguishing equipment |
| JP2015116171A Active JP6329514B2 (en) | 2009-10-23 | 2015-06-08 | Gas fire extinguishing equipment |
| JP2015116170A Active JP6151306B2 (en) | 2009-10-23 | 2015-06-08 | Silencer and gas fire extinguishing equipment |
| JP2015136075A Active JP6324351B2 (en) | 2009-10-23 | 2015-07-07 | Fire extinguishing gas injection device and gas fire extinguishing equipment |
| JP2016086327A Active JP6193437B2 (en) | 2009-10-23 | 2016-04-22 | Fire extinguishing gas injection equipment construction method |
| JP2016247195A Active JP6383398B2 (en) | 2009-10-23 | 2016-12-20 | Gas fire extinguishing equipment |
| JP2017152528A Active JP6334788B2 (en) | 2009-10-23 | 2017-08-07 | Fire extinguishing gas injection device |
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| JP2018120929A Active JP6535794B2 (en) | 2009-10-23 | 2018-06-26 | Fire extinguishing gas injection device and gas extinguishing system |
| JP2019118921A Active JP6974393B2 (en) | 2009-10-23 | 2019-06-26 | Construction method of fire extinguishing gas injection device, gas fire extinguishing equipment using it, and fire extinguishing gas injection device |
| JP2020187220A Active JP6862600B2 (en) | 2009-10-23 | 2020-11-10 | Construction method of the injection head and its injection head in the fire extinguishing target section |
| JP2021055195A Active JP7344240B2 (en) | 2009-10-23 | 2021-03-29 | Silencer and gas fire extinguishing equipment |
| JP2022126965A Pending JP2022145844A (en) | 2009-10-23 | 2022-08-09 | Gas-based fire extinguishing facility |
| JP2023175242A Pending JP2023171526A (en) | 2009-10-23 | 2023-10-10 | Gas-based fire extinguishing facility |
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| JP2011267401A Active JP5576847B2 (en) | 2009-10-23 | 2011-12-06 | Gas fire extinguishing equipment |
| JP2011267400A Active JP5576846B2 (en) | 2009-10-23 | 2011-12-06 | Gas fire extinguishing equipment |
| JP2011267402A Pending JP2012055713A (en) | 2009-10-23 | 2011-12-06 | Gas fire-extinguishing equipment |
| JP2012082679A Pending JP2012157705A (en) | 2009-10-23 | 2012-03-30 | Gas fire-extinguishing facility and silencing device |
| JP2012174430A Withdrawn JP2012210500A (en) | 2009-10-23 | 2012-08-06 | Gas fire extinguishing equipment |
| JP2013052442A Active JP5589111B2 (en) | 2009-10-23 | 2013-03-14 | Gas fire extinguishing equipment |
| JP2013210605A Pending JP2014012226A (en) | 2009-10-23 | 2013-10-07 | Gas extinguishment facility |
| JP2014035425A Active JP5864640B2 (en) | 2009-10-23 | 2014-02-26 | Fire extinguishing gas injection device |
| JP2014035424A Active JP5749363B2 (en) | 2009-10-23 | 2014-02-26 | Fire extinguishing gas injection device |
| JP2014105467A Pending JP2014144383A (en) | 2009-10-23 | 2014-05-21 | Equipment room, gas fire-extinguishing method and gas fire-extinguishing equipment |
| JP2014125349A Active JP5922712B2 (en) | 2009-10-23 | 2014-06-18 | Fire extinguishing gas injection device |
| JP2014125348A Active JP5922711B2 (en) | 2009-10-23 | 2014-06-18 | Fire extinguishing gas injection device |
| JP2015099483A Active JP6329511B2 (en) | 2009-10-23 | 2015-05-14 | Gas fire extinguishing equipment |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2015116170A Active JP6151306B2 (en) | 2009-10-23 | 2015-06-08 | Silencer and gas fire extinguishing equipment |
| JP2015136075A Active JP6324351B2 (en) | 2009-10-23 | 2015-07-07 | Fire extinguishing gas injection device and gas fire extinguishing equipment |
| JP2016086327A Active JP6193437B2 (en) | 2009-10-23 | 2016-04-22 | Fire extinguishing gas injection equipment construction method |
| JP2016247195A Active JP6383398B2 (en) | 2009-10-23 | 2016-12-20 | Gas fire extinguishing equipment |
| JP2017152528A Active JP6334788B2 (en) | 2009-10-23 | 2017-08-07 | Fire extinguishing gas injection device |
| JP2017207888A Active JP6595557B2 (en) | 2009-10-23 | 2017-10-27 | Fire extinguishing gas injection device and gas fire extinguishing equipment |
| JP2018120929A Active JP6535794B2 (en) | 2009-10-23 | 2018-06-26 | Fire extinguishing gas injection device and gas extinguishing system |
| JP2019118921A Active JP6974393B2 (en) | 2009-10-23 | 2019-06-26 | Construction method of fire extinguishing gas injection device, gas fire extinguishing equipment using it, and fire extinguishing gas injection device |
| JP2020187220A Active JP6862600B2 (en) | 2009-10-23 | 2020-11-10 | Construction method of the injection head and its injection head in the fire extinguishing target section |
| JP2021055195A Active JP7344240B2 (en) | 2009-10-23 | 2021-03-29 | Silencer and gas fire extinguishing equipment |
| JP2022126965A Pending JP2022145844A (en) | 2009-10-23 | 2022-08-09 | Gas-based fire extinguishing facility |
| JP2023175242A Pending JP2023171526A (en) | 2009-10-23 | 2023-10-10 | Gas-based fire extinguishing facility |
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| JP6612173B2 (en) * | 2015-04-30 | 2019-11-27 | 株式会社コーアツ | Fire extinguisher |
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