KR200335460Y1 - a drainer the remainder water of induction and discharge pipe inside a fire truck - Google Patents

a drainer the remainder water of induction and discharge pipe inside a fire truck Download PDF

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Publication number
KR200335460Y1
KR200335460Y1 KR20-2003-0028358U KR20030028358U KR200335460Y1 KR 200335460 Y1 KR200335460 Y1 KR 200335460Y1 KR 20030028358 U KR20030028358 U KR 20030028358U KR 200335460 Y1 KR200335460 Y1 KR 200335460Y1
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South Korea
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air
pipe
pump
fire
valve
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KR20-2003-0028358U
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Korean (ko)
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최원익
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최원익
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/28Accessories for delivery devices, e.g. supports
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C27/00Fire-fighting land vehicles
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C35/00Permanently-installed equipment
    • A62C35/58Pipe-line systems
    • A62C35/68Details, e.g. of pipes or valve systems

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

본 고안은 소방차량의 흡,배출배관내의 잔여수 배수장치에 관한 것으로서, 양측단으로 개폐밸브가 설치된 다수개의 흡,배출배관을 펌프에 집중연결하고, 펌프상부로는 물탱크를 설치한 통상적인 소방차량의 배관에 있어서, 상기 흡입배관 중앙으로 소방차량의 에어탱크와 연결배관으로 연결된 에어분사노즐을 설치하되, 상기 에어탱크와 에어분사노즐사이의 연결배관으로 에어의 방출을 제어하는 에어드레인밸브와; 상기 연결배관내에 충진되는 에어의 압을 체크하는 정압체크밸브와; 상기 연결배관내의 충진된 에어를 에어분사노즐로 방출케 하는 작동개폐밸브와; 연결배관내로 잔여수의 역류하는 것을 막아 주는 체크밸브를 순차적으로 구성함을 특징으로 하는것으로, 이는 소방차량의 펌프 및 배관이 동파되는 것을 방지하여 줌은 물론 동파에 따른 수리비 절감과 동시에 녹발생을 최소화시키고 또 이물질 제거효과로 인한 흡배출밸브의 교환주기를 연장하여 주며 화재발생에 따른 긴급출동 후 초등 진압을 도모하여 주는 등 아주 많은 효과들을 가지고 있는 것이다.The present invention relates to the residual water drainage in the intake and exhaust pipes of fire-fighting vehicles, and a plurality of intake and discharge pipes with on / off valves installed at both ends are concentrated to the pump, and a water tank is installed above the pump. In the piping of a fire fighting vehicle, an air spray nozzle connected to the air tank of the fire fighting vehicle and a connecting pipe is installed at the center of the suction pipe, and the air drain valve controls the release of air through the connecting pipe between the air tank and the air spray nozzle. Wow; A constant pressure check valve for checking a pressure of air filled in the connection pipe; An actuating opening / closing valve for releasing the filled air in the connecting pipe to the air spray nozzle; It is characterized in that the check valve to prevent the back flow of the remaining water into the connecting pipe in sequence, which prevents the pump and piping of the fire engine to freeze, as well as reduce the repair cost and free rust generated by the freeze It also minimizes and extends the replacement cycle of the intake and discharge valve due to the effect of removing foreign substances.

Description

소방차량의 흡,배출배관내의 잔여수 배수장치{a drainer the remainder water of induction and discharge pipe inside a fire truck}{A drainer the remainder water of induction and discharge pipe inside a fire truck}

본 고안은 소방차량의 흡,배출배관내의 잔여수 배수장치에 관한 것으로서 이를 보다 구체적으로 설명하자면, 소방차량의 배관내부에 잔류하는 잔여 수(殘餘水)를 완전히 제거하여 동절기에 잔여수에 의한 소방차량의 펌프와 배관의 동파를 예방하여 화재발생에 따른 소방차량의 신속한 긴급출동 및 초등진압이 가능토록 도모하여 줌에 그 큰 목적을 가지는 것이다.The present invention relates to the residual water drainage in the intake and exhaust pipes of firefighting vehicles, which will be described in more detail. The purpose of this is to prevent the freezing of the pump and the pipes of the vehicle so that the emergency vehicle and the elementary extinguishment of the fire fighting vehicle can be made possible by the fire occurrence.

통상 소방차량은 그 후미에 진압수를 저장하는 물탱크가 설치되고 하측으로는 소방차량의 동력으로 작동되는 에어탱크와 펌프 그리고 물을 흡,배출시키기 위해 그 양측단으로 개폐밸브가 설치된 다수개의 배관으로 크게 이루어져 있다.In general, a fire truck has a water tank at the rear of the tank to store quenched water, a lower air tank, a pump operated by the fire truck, and a plurality of pipes having opening and closing valves at both ends thereof to absorb and discharge water. It is large.

따라서 화재발생시 긴급출동을 요하는 소방차량은 항상 그 후미의 물탱크에 진압수를 가득 저장하여 두는데 통상 차량 자체 동력으로 가동되는 펌프를 이용하여 흡입배관을 통해 물탱크로 진압수를 저장한다.Therefore, fire engines that require emergency dispatch in case of fire always store the suppression water in the rear water tank. Usually, the extinguishing water is stored in the water tank through the suction pipe by using a pump operated by the vehicle's own power.

반대로 물탱크 내의 진압수를 방수시에는 배출배관을 통해 진압수를 배출한다.On the contrary, when the quench water in the water tank is waterproof, the quench water is discharged through the discharge pipe.

이와 같이 물탱크내의 진압수는 여러개의 배관들을 거쳐 흡,배출 되어지므로 펌프와 배관들 내에는 항상 잔여수가 잔류하게 되는데, 만약 이를 장시간 방치하여 둘 경우 배관내부표면이 부식될 수 있는 원인이 될 뿐 아니라 진압수에 함유되어 있는 이물질들이 배관내부면에 축적되어 진압수의 흡,배출에 매우 악영향을 끼칠수있는 문제점을 가지고 있었다.In this way, the suppression water in the water tank is sucked and discharged through several pipes, so that residual water always remains in the pump and pipes. If this is left for a long time, it may cause corrosion of the inner surface of the pipe. In addition, foreign matters contained in the repressive water accumulated on the inner surface of the pipe had a problem that may adversely affect the absorption and discharge of the repressive water.

그리고 상기 배관내의 잔여수는 특히 동절기에 소방차량의 펌프와 배관들의 동파 원인이 되므로 소방차량의 펌프 파손은 물론 흡,배출배관의 개폐작동을 불가능케 하여 화재발생으로 인한 긴급출동을 지연시키게 될 뿐 아니라 긴급출동 후 화재의 초등진압을 불가능케 하여 개인의 생명과 재산은 물론 국가적으로 막대한 손실을 가져다 줄 수 있는 매우 심각한 문제점이 아닐 수 없었다.In addition, the residual water in the pipe causes the freezing of the pump and pipes of the fire engine, especially during the winter, so that the pump of the fire truck is not only damaged but also the opening and closing of the intake and discharge pipes is not possible, thus delaying emergency dispatch due to the fire. In addition, it was a very serious problem that would make it impossible to extinguish elementary fires after an emergency dispatch, which would result in enormous loss of life and property as well as national.

따라서 상기의 문제점을 보완하기 위하여 종래에는 소방차량용 배관 일측부로 잔여수 배출 밸브를 각각 설치하여 진압수의 흡,배출 실시 후 배관에 각각 설치된 배출밸브를 개방시켜 그 내의 잔여수를 자연배수 되게 하여왔다.Therefore, in order to solve the above problems, conventionally, residual water discharge valves are installed at one side of a pipe for firefighting vehicles, so that the residual water in the pipe is naturally discharged by opening the discharge valves respectively installed in the pipe after the suction and discharge of the suppression water. .

그러나 위와 같은 자연배수 방법으로는 배관내의 일부 잔여수는 배출가능하나 전체적인 잔여수의 배출이 불가능하므로 상기 문제점을 완전하게 해소할 수 없어 작업자가 항상 소방차량의 펌프와 밸브를 수시로 점검하여야 하는 인력낭비의 폐단이 되었으며 또한 동절기에 수시로 펌프와 배관이 동결되어 화재발생으로 인한 출동시에는 항상 배관에 고열을 가하여 개폐밸브를 해동시킨 다음 출동하여야 하는 폐단을 가지고 있었다.However, the natural drainage method can discharge some residual water in the pipe, but it is impossible to discharge the total residual water. Therefore, the above problems cannot be completely solved. Therefore, the worker should always check the pump and valve of the fire engine. In addition, the pump and pipes were frozen in the winter season, so when the fire caused by fire, the pipes were always heated to defrost the shutoff valves by applying high heat.

따라서 현재 동절기에 소방차량의 펌프와 배관내에 잔류하는 잔류수를 완전히 제거하여 동파되는 것을 예방하여 줄 수 있는 잔류수 배출장치의 개발이 매우 시급한 상황이다.Therefore, it is very urgent to develop a residual water discharge device that can prevent freezing by completely removing residual water remaining in the pump and pipe of the fire fighting vehicle in winter.

본 고안은 위와 같은 종래의 문제점을 보완하기 위한 것으로, 특히 소방차량의 펌프와 배출배관 및 중계수배관이 상호 연결된 흡입배관 중앙 일측으로 통상 소방차량에 설치되어 있는 에어탱크와 연결된 에어노즐을 설치하여 배관내에 잔류하는 잔류수를 강한 압력의 에어로 완전히 배출시키므로 겨울철 잔여수에 의한 펌프와 배관의 동파를 예방토록 함에 그 기술적 과제를 두는 것이다.The present invention is to compensate for the above conventional problems, in particular by installing an air nozzle connected to the air tank installed in the fire fighting vehicle to the central side of the suction pipe connected to the pump and the discharge pipe and the relay water pipe of the fire engine is interconnected The technical problem is to prevent the freezing of the pump and the pipe caused by the residual water in winter, because the residual water remaining in the pipe is completely discharged by high pressure air.

이하 첨부된 도면에 의거 본 고안의 구성과 그 작용을 보다 상세히 설명하자면 아래와 같다.Hereinafter, the configuration of the present invention and its operation will be described in detail with reference to the accompanying drawings.

도 1은 본 고안의 실시상태예시도,1 is an exemplary embodiment of the present invention,

도 2는 본 고안의 가-가'선 부분단면 예시도,2 is an exemplary cross-sectional view of a temporary line of the present invention;

도 3은 본 고안의 또 다른 실시상태예시도.Figure 3 is another exemplary embodiment of the present invention.

*도면의 주요부분에 대한 부호설명* Code descriptions for the main parts of the drawings

1 : 에어분사노즐 1' : 연결배관1: Air spray nozzle 1 ': Connection piping

11 : 에어드레인밸브 11' : 에어드레인밸브 작동스위치11: Air drain valve 11 ': Air drain valve operation switch

12 : 정압체크밸브 13 : 작동개폐밸브12: Constant pressure check valve 13: Operation opening and closing valve

13' : 작동개폐밸브 작동스위치 14 : 체크밸브13 ': operation open / close valve operation switch 14: check valve

101 : 물탱크 102 : 에어탱크101: water tank 102: air tank

2 : 펌프 2' : 흡입배관2: Pump 2 ': Suction line

21 : 배출배관 22 : 개폐밸브21: discharge pipe 22: on-off valve

23 : 중계구배관23: relay gradient pipe

본 고안은 양측단으로 개폐밸브(22)가 설치된 다수개의 흡,배출배관(2')(21)을 펌프(2)에 집중연결하고 그 후방으로는 물탱크(101)를 각각 설치한 통상적인 소방차량의 배관에 있어서,The present invention is to connect the plurality of intake and discharge pipes (2 ') 21, which is provided with the on-off valve 22 at both ends to the pump (2) and the rear of the water tank 101, respectively In piping of firefighting vehicle,

상기 소방차량의 흡입배관(2') 중앙으로 통상 소방차량에 설치되어 있는 에어탱크(102)와 연결배관(1')으로 연결된 에어분사노즐(1)을 설치하되,In the center of the inlet pipe (2 ') of the fire engine, the air tank nozzle (1) connected to the air tank 102 and the connection pipe (1') which is normally installed in the fire truck,

상기 에어탱크(102)와 에어분사노즐(1)사이의 연결배관(1')으로 에어의 방출을 제어하는 에어드레인밸브(11)와; 상기 연결배관(1')내에 충진되는 에어의 압을 체크하는 정압체크밸브(12)와; 상기 연결배관(1')내에 충진된 에어를 에어분사노즐(1)로 방출케 하는 작동개폐밸브(13)와; 연결배관(1')내로 잔여수의 역류하는 것을 막아 주는 체크밸브(14)를 순차적으로 구성함을 특징으로 한다.An air drain valve (11) for controlling the discharge of air to the connecting pipe (1 ') between the air tank (102) and the air spray nozzle (1); A constant pressure check valve 12 for checking the pressure of air filled in the connection pipe 1 '; An operation opening / closing valve (13) for discharging air filled in the connection pipe (1 ') to the air injection nozzle (1); It characterized in that the check valve 14 to sequentially prevent the back flow of the remaining water into the connecting pipe (1 ').

그리고 상기 에어드레인밸브(11)와 작동개폐밸브(13)에는 각각 그 작동스위치 (11')(13')가 부설되어 있으며, 그 설치는 차량의 운전석이나 차량 외주일정 위치에 설치하여 사용자의 편의에 따라 사용토록 한다.In addition, the air drain valve 11 and the operation opening and closing valve 13 are respectively provided with the operation switch (11 ', 13'), the installation is installed in the driver's seat of the vehicle or a certain position of the vehicle's outer periphery Should be used according to

또한 본고안의 전원공급은 통상 소방차량의 펌프(2)에 연결된 전원 또는 차량의 자체전원을 개별로 공급케 하여도 무관하며 또 상기 에어노즐(1)은 펌프(2)나 흡입배관(2')의 어느위치에 설치하여도 무관한다.In addition, the power supply of the present article may be supplied separately to the power supply connected to the pump (2) of the fire engine or the vehicle's own power separately, and the air nozzle (1) is the pump (2) or the suction pipe (2 '). It can be installed in any position of.

도면의 미설명 부호 23은 중계구배관 이다.Reference numeral 23 in the drawings is a relay gradient pipe.

이와 같이 구성된 본 고안의 작용을 첨부된 도면과 함께 상세히 설명하자면, 첨부된 도면 도 1과 같이 소방차량의 물탱크(101)에 펌프(2)를 이용하여 진압수의 흡,배출을 실시할 경우 소방차량의 흡,배출배관(2')(21)은 물론 중계구배관(23) 및 펌프(2)내에는 다량의 잔여수가 잔류하게 된다.Referring to the operation of the present invention configured as described above in detail with the accompanying drawings, when the suction and discharge of the suppression water using the pump (2) in the water tank 101 of the fire fighting vehicle as shown in Figure 1 A large amount of residual water remains in the intake and exhaust pipes 2 'and 21 of the fire-fighting vehicle, as well as the relay pipe 23 and the pump 2.

따라서 본 고안은 상기와 같은 배관내의 잔여수를 제거할 수 있도록, 먼저 에어드레인밸브 작동스위치(11')로 에어드레인밸브(11)를 개방시켜 에어탱크(102)내의 에어를 연결배관(1')내로 충진시킨다.Therefore, in order to remove the residual water in the pipe as described above, the air drain valve 11 is first opened by the air drain valve operation switch 11 'to connect the air in the air tank 102 to the pipe 1'. Fill into.

이때 연결배관(1')내로 충진되는 에어는 정압체크밸브(12)에 의하여 적정한 압으로 충진되어 진다.At this time, the air that is filled into the connecting pipe (1 ') is filled with the appropriate pressure by the constant pressure check valve (12).

이와 같이 에어드레인밸브(11)와 작동개폐밸브(13)사이에 위치한 연결배관 (1')내로 적정 압의 에어가 충진되면 작동개폐밸브(13)를 개방하여 강한 압의 에어를 에어분사노즐(1)을 통해 흡입배관(2')내로 주입하게 된다.In this way, when the air of proper pressure is filled into the connecting pipe 1 'located between the air drain valve 11 and the operation opening / closing valve 13, the operation opening / closing valve 13 is opened to draw air of high pressure. It is injected into the suction pipe 2 'through 1).

이렇게 주입된 에어는 흡입배관(2')상부에 연결된 펌프(2)는 물론 그 외주로연결된 배출배관(21)과 중계구배관(23)내부를 경유하면서 내부에 잔류하는 잔여수를 개폐밸브(22)를 통해 외부로 완전히 제거하게 된다.The air injected in this way passes the pump 2 connected to the upper portion of the suction pipe 2 ', as well as the residual water remaining inside while passing through the discharge pipe 21 and the relay pipe 23 connected to the outer periphery. 22) it is completely removed to the outside.

따라서 동절기에 잔여수에 의한 소방차량의 펌프(2)나 배관의 동파를 미연에 예방하여 줄 수 있는 것이다.Therefore, it is possible to prevent the freezing of the pump (2) and piping of the fire fighting vehicle due to the remaining water in winter.

그리고 상기 에어드레인 밸브와 작동개폐밸브의 작동스위치(11')(13')들은 소방차량의 운전석 또는 사용자의 필요에 따른 위치에 설치하여 사용자의 편리와 필요에 따라 사용할 수 있도록 하거나 또는 첨부도면 도3과 같이 진압수의 흡,배출시 사용되는 소방차량의 펌프(2) 동력(PTO)에 에어드레인밸브와 작동개폐밸브의 작동스위치 (11')(13')를 연계시켜 펌프(2)의 동력사용에 따른 에어드레인밸브 (11)와 작동개폐밸브(13)가 순차적으로 작동되게 하므로 배관내의 잔여수 배출을 항상 자동으로 배출되게 할 수도 있다.And the operation switch (11 ', 13') of the air drain valve and the operation opening and closing valves are installed in the driver's seat of the fire truck or the position according to the needs of the user to be used according to the user's convenience and needs or attached drawings As shown in Fig. 3, the air drain valve and the operation switch 11 'and 13' of the operation valve are connected to the power PTO of the fire fighting vehicle used for the intake and discharge of the suppression water. Since the air drain valve 11 and the operation opening / closing valve 13 according to the power use are sequentially operated, the residual water discharge in the pipe may be always discharged automatically.

이와 같이 본 고안은 소방차량의 배관들 내에 잔류하는 잔여수를 강한 압의 에어를 이용하여 외부로 완전히 배출되게 하므로 배관내의 부식과 이물질이 축적되는 것을 막아 줌은 물론 동절기에 잔여수에 의한 배관과 펌프의 동파를 예방하여 그 교체 또는 수리비를 절감할 수 있는 효과를 제공함과 동시에 종래에 펌프와 배관의 동파로 인해 화재의 초등진압을 할 수 없었던 폐단을 해소하여 주어 긴급출동을 요하는 소방차량의 신속한 출동은 물론 화재의 초등 진압이 가능토록 도모하여주어 개인의 안전과 재산을 보호하여 줌과 동시에 국가적인 재해에 보다 신속하게 대처할 수 있도록 하여 주는 아주 큰 장점을 부여하게 된다.As such, the present invention allows the residual water remaining in the pipes of the fire engine to be completely discharged to the outside by using high pressure air, thereby preventing corrosion and foreign matter from accumulating in the pipe, and It prevents the freezing of the pump and reduces the cost of replacement or repair, and at the same time, it solves the discontinuity that was not able to extinguish the elementary fire due to the freezing of the pump and the pipe. In addition to the rapid dispatch, the elementary fire extinguishment can be promoted, which provides a great advantage to protect personal safety and property and to respond to national disasters more quickly.

따라서 본 고안은 개인과 국가의 안전을 위하여 꼭 실현되어야 하는 필요이상의 절실한 기술이라 할 수 있다.Therefore, the present invention can be said to be an urgent technology more than necessary to be realized for the safety of individuals and nations.

Claims (1)

양측단으로 개폐밸브(22)가 설치된 다수개의 흡,배출배관(2')(21)을 펌프(2)에 집중연결하고 그 후방으로는 물탱크(101)를 각각 설치한 통상적인 소방차량의 배관에 있어서,Intensive connection of a plurality of inlet and outlet pipes 2 'and 21 provided with an on / off valve 22 at both ends to a pump 2 and rearwards of a conventional fire truck In the piping, 상기 소방차량의 흡입배관(2') 중앙으로 에어탱크(102)와 연결배관 (1')으로 연결된 에어분사노즐(1)을 설치하되,The air injection nozzle (1) connected to the air tank 102 and the connection pipe (1 ') in the center of the suction pipe (2') of the fire truck, 상기 에어탱크(102)와 에어분사노즐(1)사이의 연결배관(1')으로 에어의 방출을 제어하는 에어드레인밸브(11)와; 상기 연결배관(1')내에 충진되는 에어의 압을 체크하는 정압체크밸브(12)와; 상기 연결배관(1')내의 충진된 에어를 에어분사노즐 (1)로 방출케 하는 작동개폐밸브(13)와; 연결배관(1')내로 잔여수의 역류하는 것을 막아주는 체크밸브(14)를 순차적으로 구성함을 특징으로 하는 소방차량의 흡,배출배관내의 잔여수 배수장치.An air drain valve (11) for controlling the discharge of air to the connecting pipe (1 ') between the air tank (102) and the air spray nozzle (1); A constant pressure check valve 12 for checking the pressure of air filled in the connection pipe 1 '; An operation opening / closing valve (13) for discharging the air filled in the connection pipe (1 ') to the air injection nozzle (1); Residual water drainage in the intake and exhaust piping of the fire truck, characterized in that to sequentially configure the check valve 14 to prevent the back flow of residual water into the connecting pipe (1 ').
KR20-2003-0028358U 2003-09-03 2003-09-03 a drainer the remainder water of induction and discharge pipe inside a fire truck KR200335460Y1 (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101023934B1 (en) * 2008-11-17 2011-03-21 김미연 Apparatus for recovering remainder water of pump and pipe using in fire truck
WO2013042895A2 (en) * 2011-09-19 2013-03-28 Kim Jongmin Device for preventing freezing before water is supplied to an artificial snow spraying system
KR101437554B1 (en) * 2010-02-08 2014-09-04 차순도 Apparatus of Removing Air in Fire Pump
KR101648665B1 (en) * 2015-02-25 2016-09-01 서민기 Coolant collector of fire truck
KR101792784B1 (en) 2017-05-26 2017-11-02 (주)지브이티 Water storage and supply apparatus for special purpose vehicle
KR101792785B1 (en) 2017-05-26 2017-11-02 (주)지브이티 Water storage and supply apparatus for special purpose vehicle
KR101803172B1 (en) * 2016-02-26 2017-12-28 장완표 Forest fire extinguish device
KR102190478B1 (en) 2020-06-09 2020-12-14 주식회사 화인특장 Firefighting water supply and drain apparatus of fire truck
KR102659925B1 (en) * 2024-03-04 2024-04-22 탁용녀 Water spray apparatus when used in inhibiting dust dispersion for anti freeze

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101023934B1 (en) * 2008-11-17 2011-03-21 김미연 Apparatus for recovering remainder water of pump and pipe using in fire truck
KR101437554B1 (en) * 2010-02-08 2014-09-04 차순도 Apparatus of Removing Air in Fire Pump
WO2013042895A2 (en) * 2011-09-19 2013-03-28 Kim Jongmin Device for preventing freezing before water is supplied to an artificial snow spraying system
WO2013042895A3 (en) * 2011-09-19 2013-05-23 Kim Jongmin Device for preventing freezing before water is supplied to an artificial snow spraying system
KR101648665B1 (en) * 2015-02-25 2016-09-01 서민기 Coolant collector of fire truck
KR101803172B1 (en) * 2016-02-26 2017-12-28 장완표 Forest fire extinguish device
KR101792784B1 (en) 2017-05-26 2017-11-02 (주)지브이티 Water storage and supply apparatus for special purpose vehicle
KR101792785B1 (en) 2017-05-26 2017-11-02 (주)지브이티 Water storage and supply apparatus for special purpose vehicle
KR102190478B1 (en) 2020-06-09 2020-12-14 주식회사 화인특장 Firefighting water supply and drain apparatus of fire truck
KR102659925B1 (en) * 2024-03-04 2024-04-22 탁용녀 Water spray apparatus when used in inhibiting dust dispersion for anti freeze

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