KR100461080B1 - Air/water separation valve member of warm water pipe for heater - Google Patents

Air/water separation valve member of warm water pipe for heater Download PDF

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Publication number
KR100461080B1
KR100461080B1 KR10-2002-0054668A KR20020054668A KR100461080B1 KR 100461080 B1 KR100461080 B1 KR 100461080B1 KR 20020054668 A KR20020054668 A KR 20020054668A KR 100461080 B1 KR100461080 B1 KR 100461080B1
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South Korea
Prior art keywords
air
pipe
hot water
heater
valve member
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KR10-2002-0054668A
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Korean (ko)
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KR20040023052A (en
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문지현
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현대자동차주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00557—Details of ducts or cables
    • B60H1/00571—Details of ducts or cables of liquid ducts, e.g. for coolant liquids or refrigerants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
    • F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
    • F16K24/042—Devices, e.g. valves, for venting or aerating enclosures for venting only actuated by a float

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)

Abstract

본 발명은 종래 수동으로 조작되었던 콕밸브를 삭제하고 기수분리기를 개선하여 자동 작동하게 함과 아울러 공기빼기 배관의 연결 구조를 단순화하게 하는 히터 배관용 기수분리 밸브부재로;The present invention is to remove the cock valve has been manually operated in the prior art and to improve the separator is automatically operated as well as the separator valve member for heater piping to simplify the connection structure of the air bleed pipe;

엔진으로부터 스톱밸브를 구비한 배출관으로 연결되는 실내/운전석 난방시스템과, 이 실내/운전 난방시스템으로부터 라디에이터간을 연결하면서 스톱밸브를 구비하는 유입관과, 상기 유입관에서 분기되어 리저버탱크에 분리된 공기를 저장하게 연결되는 공기빼기관과, 이 공기빼기관과 유입관이 연결되는 부분에 가변적으로 온수와 공기를 분리하게 자중과 부력과 압력에 의해 연결되는 공기빼기연결관의 공기빼기포트를 개폐하게 조립되는 기수분리 밸브를 포함한 구성으로 이루어지는 히터 온수 배관용 기수분리 밸브부재를 제공하는데 있다.An indoor / driver's seat heating system connected from the engine to a discharge pipe having a stop valve, an inlet pipe having a stop valve connected between radiators from the indoor / operating heating system, and a branch which is branched from the inlet pipe and separated into a reservoir tank. Opens and closes the air bleeding port of the air bleeding pipe connected to store air and the air bleeding pipe connected by self weight, buoyancy and pressure to variably separate hot water and air at the part where the air bleeding pipe and the inlet pipe are connected. It is to provide a water separation valve member for a heater hot water piping consisting of a configuration including a water separation valve to be assembled.

Description

히터용 온수배관의 기수 분리 밸브부재 {AIR/WATER SEPARATION VALVE MEMBER OF WARM WATER PIPE FOR HEATER }Separation valve member of hot water pipe for heater {AIR / WATER SEPARATION VALVE MEMBER OF WARM WATER PIPE FOR HEATER}

본 발명은 히터배관용 기수 분리 밸브부재에 관한 것으로, 더욱 상세하게는 종래 수동으로 조작되었던 콕밸브를 삭제하고 기수분리기를 개선하여 자동 작동하게 함과 아울러 공기빼기 배관의 연결 구조를 단순화하게 되는 히터 배관용 기수 분리 밸브부재에 관한 것이다.The present invention relates to a water separator valve member for the heater pipe, more specifically, the heater to delete the cock valve that was operated manually in the prior art and to improve the separator is automatically operated and to simplify the connection structure of the air bleed pipe A water separator valve member for piping.

도1은 종래기술인 콕밸브와 기수분리기가 적용되는 히터 온수배관을 도시한 도면이고, 도2는 종래기술인 히터 온수배관의 온수흐름도이다.1 is a view showing a heater hot water pipe to which a conventional cock valve and a separator are applied, and FIG. 2 is a flow chart of a hot water pipe of a heater hot water pipe according to the prior art.

히터용 온수배관(2)의 기수분리기(4)는 엔진룸(6)내에 엔진(8)으로 부터 배출되는 배출관(10)을 통해 실내와 운전석 난방시스템(12)을 거치고, 이 난방시스템(12)에 연결된 유입배관(14)내에 볼록한 컨넥터인 기수분리기(4)에서 공기와 물을 분리하여 연결된 공기빼기배관(16)을 통해 리저버탱크(18)로 공기를 배출하게 되어 있으며, 여기에 콕밸브(20)를 설치하여 공기를 수동 조작하여 배출시키고 냉각수는 라디에이터(22)에 공급되게 이루어지고 있다.The water separator (4) of the hot water pipe (2) for the heater passes through the interior and the driver's seat heating system (12) through the discharge pipe (10) discharged from the engine (8) in the engine room (6), and this heating system (12) The air is discharged to the reservoir tank 18 through the air bleed pipe 16 connected by separating air and water from the separator 4, which is a convex connector in the inlet pipe 14 connected to 20 is provided, the air is manually operated to be discharged, and the cooling water is supplied to the radiator 22.

상기한 컨넥터인 기수분리기(4)를 볼록하게 형성함은 급격한 확장으로 상부에 공기가 차서 물과 분리가 되게 함이다.The convex formation of the separator 4, which is the above connector, is such that the air is filled in the upper portion with a sudden expansion so as to be separated from the water.

또, 기수분리기(4)에 연결되는 공기빼기배관(16)에 콕밸브(20)를 중간에 두고 있으며, 이는 온수가 리저버탱크(18)로 빠져 나가지 못하게 수동 조작되는 콕밸브(20)를 장착하고 있다.In addition, the cock valve 20 is placed in the middle of the air bleed pipe 16 connected to the separator 4, which is equipped with a cock valve 20 which is manually operated to prevent hot water from escaping into the reservoir tank 18. Doing.

상기한 히터 온수배관(2)에 공기가 혼합된 온수에서 공기와 물로 분리하는 기수분리기(4)와 공기빼기배관(16)에 콕밸브(20)를 설치하고 있어 배관의 연결관계가 복잡하게 되는 문제점이 있다.Since the cock valve 20 is installed in the separator 4 and the air bleed pipe 16 for separating the air from the hot water mixed with air in the heater hot water pipe 2, the pipe connection becomes complicated. There is a problem.

그리고 공기가 혼합된 온수에 관련된 기수분리기와 콕밸브의 동질성에도 불구하고 별도로 각각 설치함에 따른 많은 부품의 소요로 유지비용의 상승과 중량증대, 또 배관의 복잡합으로 엔진룸의 혼잡이 발생하는 문제점이 있다.In addition, despite the homogeneity of the separator and cock valve related to hot water mixed with air, many components are required to be installed separately, resulting in increased maintenance costs, increased weight, and congestion of the engine room due to the complexity of piping. There is this.

또, 수동조작되는 콕밸브를 설치하고 있지만 기능이 떨어져 기수분리기와 콕밸브를 혼합한 기수분리밸브의 제안이 요구되고 있는 실정이다.In addition, although a cock valve that is manually operated is provided, the function of the water separator is poor. Therefore, there is a demand for a water separator valve in which a separator and a cock valve are mixed.

상기한 바와 같이 이루어지는 종래기술의 문제점을 해소하기 위하여 제안된 본 발명의 목적은 종래 수동으로 조작되었던 콕밸브를 삭제하고 기수분리기를 개선하여 자동 작동하게 함과 아울러 공기빼기 배관의 연결 구조를 단순화하게 되는 히터 배관용 기수분리 밸브부재를 제공하는데 있다.The object of the present invention proposed to solve the problems of the prior art made as described above is to delete the cock valve, which has been manually operated in the past, to improve the separator and to operate automatically, and to simplify the connection structure of the air bleed pipe. It is to provide a water separation valve member for the heater piping.

이를 실현하기 위한 본 발명은The present invention for realizing this

엔진으로부터 스톱밸브를 구비한 배출관으로 연결되는 실내/운전석 난방시스템과, 이 실내/운전 난방시스템으로부터 라디에이터간을 연결하면서 스톱밸브를 구비하는 유입관과, 상기 유입관에서 분기되어 리저버탱크에 분리된 공기를 저장하게 연결되는 공기빼기관과, 이 공기빼기관과 유입관이 연결되는 부분에 가변적으로 온수와 공기를 분리하게 자중과 부력과 압력에 의해 연결되는 공기빼기연결관의 공기빼기포트를 개폐하게 조립되는 기수분리 밸브를 포함한 구성으로 이루어지는 히터온수 배관용 기수분리 밸브부재를 제공하는데 있다.An indoor / driver's seat heating system connected from the engine to a discharge pipe having a stop valve, an inlet pipe having a stop valve connected between radiators from the indoor / operating heating system, and a branch which is branched from the inlet pipe and separated into a reservoir tank. Opens and closes the air bleeding port of the air bleeding pipe connected to store air and the air bleeding pipe connected by self weight, buoyancy and pressure to variably separate hot water and air at the part where the air bleeding pipe and the inlet pipe are connected. It is to provide a water separation valve member for the heater hot water piping consisting of a configuration including a water separation valve to be assembled.

상기 기수분리 밸브부재는 유입관에 개재되면서 일측에 연결관부를 형성한 확장소켓관과, 이 확장소켓관의 연결관부 내주면턱에 연통되게 안치되는 걸림링 상에 돌출 가이드핀을 형성한 승강안내부재와, 이 승강안내부재의 가이드핀에 삽입이 자유스럽게 조립되는 핀홀을 형성한 첨예형 뜨개와, 상기 첨예형 뜨개의 승강에 의해 개폐되어 공기빼기관으로 배출되게 연결관부에 나사결합되는 공기빼기 연결관을 포함하여 이루어지는 히터 온수 배관용 기수분리 밸브부재를 제공하는데 있다.The base separation valve member is an elevating guide member having a protruding guide pin formed on an expansion pipe connected to an inner circumferential surface of the expansion socket tube and an expansion socket tube formed on one side thereof while interposed in the inflow pipe. And a sharpened needle formed with a pin hole freely inserted into the guide pin of the lifting guide member, and an air bleed connection screwed to the connecting pipe to be opened and closed by lifting the sharpened needle and discharged to the air duct. It is to provide a water separation valve member for a heater hot water piping comprising a pipe.

도1은 종래기술인 콕밸브와 기수분리가 각각 적용되는 히터 온수배관을 도시한 도면.1 is a view showing a heater hot water pipe to which each of the prior art cock valve and water separation is applied.

도2는 종래기술인 히터 온수배관의 온수흐름도.Figure 2 is a hot water flow diagram of a heater hot water pipe of the prior art.

도3은 본 발명에 따른 기수분리 밸브가 적용되는 히터 온수배관을 도시한 도면.Figure 3 is a view showing a heater hot water pipe to which the separation valve according to the present invention is applied.

도4는 본 발명에 따른 히터 온수배관의 온수흐름도.Figure 4 is a hot water flow diagram of the heater hot water pipe according to the present invention.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

32:기수분리 밸브부재 34:엔진32: water separation valve member 34: engine

36:스톱밸브 38:배출관36: stop valve 38: discharge pipe

40:실내/운전석 난방시스템 42:라디에이터40: indoor / driver's seat heating system 42: radiator

44:스톱밸브 46:유입관44: stop valve 46: inlet pipe

48:리저버탱크 50:공기빼기관48: reservoir tank 50: air drainage

52:공기빼기연결관 54:공기빼기포트52: air drain connector 54: air drain port

56:확장소켓관 58:승강안내부재56: expansion socket tube 58: elevating guide member

60:첨예형 뜨개 62:내주면턱60: sharpening knitting 62: inner circumference jaw

64:연결관부 66:걸림링64: connector 66: locking ring

68:돌출 가이드핀 70:핀홀68: Protrusion guide pin 70: Pinhole

이하, 본 발명의 바람직한 일 실시예를 첨부한 도면에 의하여 더욱 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings a preferred embodiment of the present invention will be described in more detail.

도3은 본 발명에 따른 기수분리 밸브부재가 적용되는 히터 온수배관을 도시한 도면이고, 도4는 본 발명에 따른 히터 온수배관의 온수흐름도이다.3 is a view showing a heater hot water pipe to which the water separation valve member according to the present invention is applied, and FIG. 4 is a flow chart of the hot water pipe of the heater hot water pipe according to the present invention.

히터 온수배관용 기수분리 밸브부재(32)는 엔진(34)으로부터 스톱밸브(36)를 구비한 배출관(38)으로 실내/운전석 난방시스템(40)과 연결되고 있다.The water separator valve member 32 for the heater hot water pipe is connected to the indoor / cab seat heating system 40 from the engine 34 to the discharge pipe 38 having the stop valve 36.

그리고 상기 실내/운전 난방시스템(40)으로부터 라디에이터(42)간을 연결하면서 스톱밸브(44)를 구비하는 유입관(46)과, 상기 유입관(46)에서 분기되어 리저버탱크(48)에 분리된 공기를 저장하게 공기빼기관(50)을 연결하고 있다.The inlet pipe 46 having a stop valve 44 is connected to the radiator 42 from the indoor / driving heating system 40 and is separated from the inlet pipe 46 to be separated into the reservoir tank 48. Is connected to the air bleed pipe (50) to store the air.

상기 공기빼기관(50)과 유입관(46)이 연결되는 부분에 가변적으로 온수와 공기를 분리하게 자중과 부력, 압력에 의해 연결되는 공기빼기 연결관(52)의 공기빼기포트(54)를 개폐하게 조립하여 이루어지고 있다.The air bleed port 54 of the air bleed connector 52 is connected by the weight and buoyancy, pressure to variably separate the hot water and air to the portion where the air duct 50 and the inlet pipe 46 is connected It is assembled to open and close.

상기한 기수분리밸브부재(32)는 확장소켓관(56), 승강안내부재(58), 첨예형 뜨개(60), 공기빼기 연결관(52)으로 구성되어 이루어지고 있다.The water separator valve member 32 is composed of an expansion socket tube 56, a lifting guide member 58, a sharp knitting (60), the air bleed connecting pipe (52).

확장소켓관(56)은 유입관(46)에 개재되면서 일측에 내주면턱(62)을 갖는 연결관부(64)를 형성하여 이루어지고 있다.The expansion socket tube 56 is interposed in the inlet pipe 46 and is formed by forming a connecting tube portion 64 having an inner circumferential surface jaw 62 on one side thereof.

승강안내부재(58)는 확장소켓관(56)의 연결관부(64) 내주면턱(62)에 연통되게 안치되는 걸림링(66) 중심상에 돌출 가이드핀(68)을 형성하여 이루어지고 있다.The elevating guide member 58 is formed by forming a protruding guide pin 68 on the center of the engaging ring 66 which is placed in communication with the inner circumferential face 62 of the connecting pipe 64 of the expansion socket tube 56.

첨예형 뜨개(60)는 실리콘재질(밀도0.9)로 승강안내부재(58)의 가이드핀(68)에 삽입이 자유스럽게 조립되는 핀홀(70), 즉 가이드핀(68)에 대해 자연스럽게 삽입과 빠짐이 되도록 형성하고 있다.The sharpener 60 is naturally inserted into and out of the pinhole 70, that is, the guide pin 68, which is freely assembled into the guide pin 68 of the lifting guide member 58 by a silicon material (density 0.9). It is formed so that it may become.

공기빼기 연결관(52)은 첨예형 뜨개(60)의 승강에 의해 개폐되는 포트(54)를 형성하고 있으며 개구시 연결된 공기빼기관(50)으로 배출되게 확장소켓관(56)의 연결관부(64)에 나사결합되고 있다.The air bleeding connector 52 forms a port 54 that is opened and closed by lifting and lowering the sharpened knitting machine 60, and is connected to the connector part of the expansion socket tube 56 to be discharged to the air bleeding pipe 50 connected at the time of opening. 64) is screwed on.

상기한 바와 같이 이루어지는 본 발명의 작용을 설명하면 실내/운전석 난방시스템(40)을 거쳐 라디에이터(44)로 유입되게 연결한 유입관(46)을 통해 공기를 포함 온수가 확장소켓관(56)을 지날때 확장 공간의 상부에 공기가 모이게 된다.When explaining the operation of the present invention made as described above through the inlet pipe 46 connected to enter the radiator 44 through the indoor / driver seat heating system 40 hot water containing the expansion socket pipe 56 As it passes, air is collected at the top of the expansion space.

이에 따라 기수분리밸브부재(32)의 첨예형 뜨개(60)는 자중에 의해 가이드핀(68)을 타고 내려와 걸림링(66) 상에 위치하게 된다.Accordingly, the sharp type knitting 60 of the water separator valve member 32 is lowered by the guide pin 68 by its own weight and is positioned on the locking ring 66.

따라서 첨예형 뜨개(60)의 하강으로 확장소켓관(56)의 상부에 모여 있던 공기는 뜨개(60)의 하강으로 형성된 틈새와 연결관부(64)에 나사 결합된 공기빼기 연결관(52)에 연결된 공기빼기관(50)을 통해 리저버탱크(48)에 모아진다.Therefore, the air collected at the upper part of the expansion socket tube 56 by the descent of the sharpener 60 is connected to the air vent connector 52 screwed to the gap formed by the lowering of the knitting 60 and the connector 64. Collected in the reservoir tank 48 through the connected air bleed pipe (50).

상기한 기수분리밸브부재(32)의 첨예형 뜨개(60)의 하강으로 공기가 빠져나간 영역에는 점차 온수로 채워지게 되며, 물보다 밀도가 낮은 첨예형 뜨개(60)는 부력과 압력(온수배관내 압력; 1.5~2.5기압)에 의해 다시 상부로 승강하여 공기빼기 연결관(52)에 밀착하게 되면서 온수가 리저버탱크(48)로 빠져나가는 것을 차단하게 된다.In the area where the air escapes due to the lowering of the sharpener 60 of the water separation valve member 32, the hot water is gradually filled with hot water, and the sharpened needle 60 having a lower density than the water has buoyancy and pressure (hot water pipes). Inner pressure; 1.5 to 2.5 atm) to the upper back to close to the air bleed connecting pipe 52 while blocking the hot water to escape to the reservoir tank (48).

이러한 기수분리밸브부재(32)의 첨예형 뜨개(60)는 가이드핀(68)을 타고 승강 작동하여 압력이나 부력에 의해 뒤집어지거나 방향을 바꿔 공기빼기 연결관(52)의 기밀한 개폐작동을 유도하게 한다.The sharp knot 60 of the water separator valve member 32 is lifted and operated by the guide pin 68 to be inverted or reversed by pressure or buoyancy to induce an airtight opening and closing operation of the air bleed connector 52. Let's do it.

따라서 히터 온수 배관용 기수분리밸브부재(32)는 모아지는 공기와 온수의 채워짐의 변환이 반복적으로 이루어져 자동적으로 온수에서 공기를 분리한 후 공기 배출을 자동적으로 행하게 되는 결과를 가져와, 일부 온수 배관의 배관길의 축소를 가져와 엔진룸내의 온수배관 정리를 도모할 뿐 만 아니라 다수의 부품 삭제로 차량을 중량을 절감하여 연비효율을 증대하게 된다.Therefore, the water separator valve member 32 for the hot water piping for the heater has a result of repeatedly changing the filling of the collected air and hot water to automatically separate the air from the hot water, and then automatically discharge the air. Not only does it reduce the length of pipes, but it also helps to organize the hot water pipes in the engine room, as well as reduce the weight of vehicles by eliminating a large number of parts, thereby increasing fuel efficiency.

상기한 본 발명은 기수분리밸브를 통해 공기빼기관과 콕밸브의 삭제를 가져와 엔진룸내에서 배관길이의 단축으로 엔진룸을 좀더 단순하게 형성할 수 있는 효과가 있다.The present invention as described above has the effect of removing the air bleed pipe and the cock valve through the separation valve to form the engine room more simply by shortening the pipe length in the engine room.

그리고 공기빼기관과 콕밸브의 삭제를 가져와 부품수 절감과 조립공수 삭제등 이로인한 경제성이 도모되는 효과가 있다.In addition, the elimination of air bleeding pipes and cock valves has the effect of reducing the number of parts and eliminating assembly labor.

Claims (2)

엔진으로부터 스톱밸브를 구비한 배출관으로 연결되는 실내/운전석 난방시스템과, 이 실내/운전 난방시스템으로부터 라디에이터간을 연결하면서 스톱밸브를 구비하는 유입관과, 상기 유입관에서 분기되어 리저버탱크에 분리된 공기를 저장하게 연결되는 공기빼기관과, 이 공기빼기관과 유입관이 연결되는 부분에 가변적으로 온수와 공기를 분리하게 자중과 부력과 압력에 의해 공기빼기관이 연결되는 공기빼기포트를 개폐하게 조립되는 기수분리 밸브를 포함한 구성으로 이루어짐을 특징으로 하는 히터 온수 배관용 기수분리 밸브부재.An indoor / driver's seat heating system connected from the engine to a discharge pipe having a stop valve, an inlet pipe having a stop valve connected between radiators from the indoor / operating heating system, and a branch which is branched from the inlet pipe and separated into a reservoir tank. Open and close the air bleeding port which is connected to store the air and the hot water and air variably to the part where the air bleeding pipe and the inlet pipe are connected. Separation valve member for heater hot water piping, characterized in that consisting of a configuration including a separation valve to be assembled. 제1항에 있어서, 상기 기수분리밸브부재는 유입관에 개재되면서 일측에 연결관부를 형성한 확장소켓관과, 이 확장소켓관의 연결관부 내주면턱에 연통되게 안치되는 걸림링 상에 돌출 가이드핀을 형성한 승강안내부재와, 이 승강안내부재의 가이드핀에 삽입이 자유스럽게 조립되는 핀홀을 형성한 첨예형 뜨개와, 상기 첨예형 뜨개의 승강에 의해 개폐되어 공기빼기관으로 배출되게 연결관부에 나사결합되는 공기빼기 연결관을 포함하여 이루어짐을 특징으로 하는 히터 온수 배관용 기수분리 밸브부재.According to claim 1, wherein the water separation valve member is interposed in the inlet pipe and the expansion socket tube formed on one side of the connecting pipe portion, and the projecting guide pin on the engaging ring which is placed in communication with the inner circumferential surface of the connecting pipe portion of the expansion socket tube And a sharpening needle formed with a lifting guide member formed therein, a pinhole freely inserted into the guide pin of the lifting guide member, and opened and closed by the lifting and lowering of the sharpening needle to be discharged to the air duct. Separation valve member for hot water piping for the heater characterized in that it comprises a screwed air bleed connector.
KR10-2002-0054668A 2002-09-10 2002-09-10 Air/water separation valve member of warm water pipe for heater KR100461080B1 (en)

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KR101717991B1 (en) * 2016-11-15 2017-03-20 이준범 Auto Air Vent

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930018107A (en) * 1992-02-27 1993-09-21 김진웅 Sewage
KR960009950U (en) * 1994-09-09 1996-04-12 Siphon prevention device of dishwasher
KR19980043034U (en) * 1996-12-24 1998-09-25 김영귀 Air vent of cooling water pipe
KR20000067458A (en) * 1999-04-28 2000-11-15 정몽규 Air outlet means of heating system for automobile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930018107A (en) * 1992-02-27 1993-09-21 김진웅 Sewage
KR960009950U (en) * 1994-09-09 1996-04-12 Siphon prevention device of dishwasher
KR19980043034U (en) * 1996-12-24 1998-09-25 김영귀 Air vent of cooling water pipe
KR20000067458A (en) * 1999-04-28 2000-11-15 정몽규 Air outlet means of heating system for automobile

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