KR20090029925A - Valve structure for hot-water distributor - Google Patents

Valve structure for hot-water distributor Download PDF

Info

Publication number
KR20090029925A
KR20090029925A KR1020070095116A KR20070095116A KR20090029925A KR 20090029925 A KR20090029925 A KR 20090029925A KR 1020070095116 A KR1020070095116 A KR 1020070095116A KR 20070095116 A KR20070095116 A KR 20070095116A KR 20090029925 A KR20090029925 A KR 20090029925A
Authority
KR
South Korea
Prior art keywords
distributor
valve
pipe
branch pipe
hot water
Prior art date
Application number
KR1020070095116A
Other languages
Korean (ko)
Other versions
KR100907344B1 (en
Inventor
장사윤
Original Assignee
주식회사 한 에너지 시스템
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 한 에너지 시스템 filed Critical 주식회사 한 에너지 시스템
Priority to KR1020070095116A priority Critical patent/KR100907344B1/en
Publication of KR20090029925A publication Critical patent/KR20090029925A/en
Application granted granted Critical
Publication of KR100907344B1 publication Critical patent/KR100907344B1/en

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
    • F24D3/1066—Distributors for heating liquids
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Domestic Plumbing Installations (AREA)

Abstract

A valve structure of a hot water distributor is provided to eject the fluid of a distributor water supplying pipe or a branched pipe outlet socket through a flow hole within a cylinder to a branch pipe inlet socket or a distributor water circulating pipe. According to vertical movement of a shaft(11), a cylinder(20) is separated from or adheres to a valve seat(15) of a spring-housing(10). When a valve is opened, the fluid of a distributor water supplying pipe or a branched pipe outlet socket is ejected through a flow hole within a cylinder to a branch pipe inlet socket or a distributor water circulating pipe.

Description

온수분배기의 밸브구조{VALVE STRUCTURE FOR HOT-WATER DISTRIBUTOR}VALVE STRUCTURE FOR HOT-WATER DISTRIBUTOR}

본 고안은 온수분배기의 밸브구조에 관한 것으로, 더욱 상세하게는 온수분배기의 송수관에 분지관으로 온수를 공급하는 과정에서 밸브에 유체의 배압이 작용하지 않게 하거나, 분지관에서 온수분배기의 환수관으로 온수를 배출하는 과정에서 유체의 충돌에 의한 소음 및 진동을 발생시키지 않도록 밸브의 구조를 개선시킨 온수분배기의 밸브구조에 관한 것이다.The present invention relates to a valve structure of a hot water distributor, and more particularly, to prevent the back pressure of the fluid from acting on the valve in the process of supplying hot water to the water supply pipe of the hot water distributor, or from the branch pipe to the return pipe of the hot water distributor. The present invention relates to a valve structure of a hot water distributor having improved valve structure so as not to generate noise and vibration due to a collision of fluid in discharging hot water.

일반적으로, 온수분배기에 있어서 분지관의 입구측 또는 출구측에 설치되는 밸브시트를 밸브디스크로 개폐하게 되는데, 분지관의 출구측에서는 분지관으로부터 분배기환수관으로 온수를 배출하는 과정에서 유체가 밸브디스크와 충돌하여 진동과 소음을 발생시키는 등의 문제를 초래하게 된다.In general, in the hot water distributor, the valve seat installed at the inlet side or the outlet side of the branch pipe is opened and closed with a valve disc. At the outlet side of the branch pipe, the fluid is discharged from the branch pipe to the distributor return pipe. Collide with, causing vibration and noise.

특히, 온수분배기에 있어서 분지관의 입구측에서는 분배기송수관으로부터 분지관으로 온수를 공급하는 과정에서 밸브디스크에 유체의 배압이 작용하여 밸브디스크의 원활한 작동을 방해하고, 이로 인해 밸브의 정확한 제어가 불가능할 뿐만 아니라 밸브의 수명을 단축시키는 등의 문제가 발생된다. In particular, in the hot water distributor, at the inlet side of the branch pipe, the back pressure of the fluid acts on the valve disk in the process of supplying hot water from the distributor pipe to the branch pipe, which prevents the smooth operation of the valve disk, which makes it impossible to precisely control the valve. However, problems such as shortening the life of the valve occur.

본 발명은 이러한 종래의 문제를 개선하기 위하여 안출된 것으로, 온수분배기의 송수관에 분지관으로 온수를 공급하는 과정에서 밸브에 유체의 배압이 작용하지 않게 하거나, 분지관에서 온수분배기의 환수관으로 온수를 배출하는 과정에서 유체의 충돌에 의한 소음 및 진동을 발생시키지 않도록 밸브의 구조를 개선시킨 온수분배기의 밸브구조를 제공함에 그 목적이 있다.The present invention has been made in order to improve such a conventional problem, in the process of supplying hot water to the water supply pipe of the hot water distributor in the basin pipe, the back pressure of the fluid does not act on the valve, or hot water from the basin pipe to the return pipe of the hot water distributor It is an object of the present invention to provide a valve structure of the hot water distributor, which is improved in the structure of the valve so as not to generate noise and vibration due to the collision of the fluid in the process of discharging.

상기한 목적을 달성하기 위하여 본 발명은 분배기송수관 또는 분배기환수관상에 설치되면서 스프링하우징의 샤프트을 상하 탄성이동시켜 분지관입구소켓의 입구측 또는 분지관출구소켓의 출구측을 개폐하도록 구성되는 온수분배기의 밸브구조에 있어서, 상기 샤프트의 상하 탄성이동에 따라 실린더가 상기 스프링하우징의 밸브시트로부터 이격되거나 밀착되면서 밸브개폐하면서 밸브개방시 상기 분배기송수관 또는 분지관출구소켓의 유체가 실린더내의 유로구를 통해 상기 분지관입구소켓 또는 분배기환수관으로 배출되도록 구성되는 것을 특징으로 하는 온수분배기의 밸브구조를 제공하게 된다.In order to achieve the above object, the present invention is installed on a distributor water pipe or a distributor water return pipe of the hot water distributor configured to open and close the inlet side of the branch pipe inlet socket or the outlet side of the branch pipe outlet socket by moving the shaft of the spring housing up and down. In the valve structure, the fluid of the distributor water supply pipe or the branch pipe outlet socket is opened through the flow path in the cylinder when the valve is opened while the valve is opened or closed while the cylinder is spaced from or close to the valve seat of the spring housing according to the vertical movement of the shaft. It is to provide a valve structure of the hot water distributor, characterized in that configured to be discharged into the branch pipe inlet socket or distributor return pipe.

이상과 같이 구성되는 본 발명은 온수분배기의 송수관에 분지관으로 온수를 공급하는 과정에서 밸브에 유체의 배압이 작용하지 않고, 분지관에서 온수분배기의 환수관으로 온수를 배출하는 과정에서 유체의 충돌에 의한 소음 및 진동을 발생시 키지 않음으로써 밸브의 작동이 원활하고, 밸브의 정확한 제어가 가능하면서 밸브의 수명을 연장시킬 수 있는 등의 효과를 제공하게 된다.The present invention constituted as described above does not act on the back pressure of the fluid in the valve in the process of supplying hot water to the water supply pipe of the hot water distributor, the collision of fluid in the process of discharging hot water from the branch pipe to the return pipe of the hot water distributor. By not generating the noise and vibration caused by the operation of the valve smoothly, it is possible to provide an effect such as to control the valve and to extend the life of the valve.

이하에서는 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention;

도1은 본 발명에 따른 온수분배기의 밸브구조중 일 실시예를 예시하는 단면도이고, 도2는 본 발명에 따른 온수분배기의 밸브구조중 다른 실시예를 예시하는 단면도이며, 도3은 본 발명에 따른 온수분배기의 밸브구조를 나타내는 요부사시도이다.1 is a cross-sectional view illustrating one embodiment of the valve structure of the hot water distributor according to the present invention, Figure 2 is a cross-sectional view illustrating another embodiment of the valve structure of the hot water dispenser according to the present invention, Figure 3 is The main part perspective view which shows the valve structure of the hot water distributor.

본 발명은 그 일 실시예에 따르면, 도1에 도시한 바와 같이 분배기송수관(1)에 다수의 분지관(미도시)이 분지관입구소켓(3)에 연결되어 있고, 분배기송수관을 지름방향으로 관통 설치된 밸브에 의해 분지관소켓의 입구측이 개폐되도록 구성되어 있다.According to one embodiment of the present invention, as shown in FIG. 1, a plurality of branch pipes (not shown) are connected to the branch pipe inlet socket 3 in the distributor feeder pipe 1, and the distributor feeder pipe in the radial direction. The inlet side of the branch pipe socket is configured to be opened and closed by a valve provided therethrough.

다시 말하면, 분배기송수관(1)에는 지름방향의 동일한 중심축선을 갖도록 분지관입구소켓(2)과 소켓니플(40)이 관통상태로 나사결합되어 있고, 소켓니플에는 스프링하우징(10)이 나사결합상태로 삽입되어 있다.In other words, the branch pipe inlet socket 2 and the socket nipple 40 are screwed through the distributor nipple 1 so as to have the same central axis in the radial direction, and the spring housing 10 is screwed into the socket nipple. It is inserted in the state.

이때, 스프링하우징(10)은 그 하단면에 밸브시트(15)가 구비되어 있고, 그 중심축선상에 샤프트(11)가 압축스프링(12)에 의해 상하 탄성이동을 하도록 구비되어 있다.At this time, the spring housing 10 is provided with a valve seat 15 on the bottom surface, the shaft 11 is provided on the central axis so as to move up and down elastically by the compression spring 12.

그리고, 분지관입구소켓(3)에는 그 입구측 내주면을 따라 상하이동을 하도록 실린더(20)가 끼워지게 되는데, 여기서 실린더는 도3에 도시한 바와 같이 그 외주면 증단측에 걸림턱(22)이 원주방향으로 구비되면서 하향이동시 분지관입구소켓의 내주면 상단에 걸림턱이 걸리면서 하향이동을 제한하도록 작용하게 된다.In addition, the branch pipe inlet socket 3 is fitted with a cylinder 20 to be moved along the inner circumferential surface of the inlet side, where the cylinder has a latching jaw 22 on the enlarged side of its outer circumferential surface as shown in FIG. As it is provided in the circumferential direction, the locking jaw is applied to the upper end of the inner circumferential surface of the branch pipe inlet socket so as to restrict the downward movement.

또한, 실린더(20)에는 그 내주면 상단부측에 키홈(23)과 안착턱(24)이 원주방향으로 구비되어 있고, 그 상단면인 밸브면(25)이 밸브시트(15)와 이격되거나 밀착되면서 분배기송수관(1)으로부터 분지관입구소켓(3)으로 유입되는 유량을 개폐하게 된다.In addition, the cylinder 20 is provided with a key groove 23 and a seating jaw 24 in the circumferential direction on the upper end side of the inner circumferential surface thereof, and the valve face 25, which is the upper end surface thereof, is spaced apart or in close contact with the valve seat 15. The flow rate flowing into the branch pipe inlet socket 3 from the distributor water pipe 1 is opened and closed.

이때, 샤프트(11)에는 스프링하우징(10)의 하부측으로 연장 돌출된 그 하단측에 슬라이드후크(30)가 2개의 스톱링에 의해 고정 설치되어 있는데, 이 슬라이드후크는 그 중앙에 고정구(31)가 구비되면서 이 고정구 주위에 다수의 유로구(32)가 구비되어 있다.At this time, the slide hook 30 is fixed to the shaft 11 by the two stop rings at the lower end side of the spring housing 10, which protrudes downward. While there are provided a plurality of flow paths (32) around this fixture.

여기서, 슬라이드후크(30)는 고정구(31)가 샤프트(11)의 하단측에 끼워지면서 조립이 이루어지게 되고, 다수의 유로구(32)를 통해 유체를 이동시키도록 구성되어 있다.Here, the slide hook 30 is assembled as the fixture 31 is fitted to the lower end side of the shaft 11, it is configured to move the fluid through a plurality of flow paths (32).

특히, 슬라이드후크(30)는 그 외주면 상단측에 다수의 고정키(33)가 설치되어 있는데, 실린더(20)의 상부측을 통해 삽입되면서 고정키가 키홈(23)에 삽입되어지게 되고, 그 하단면이 안착턱(24)에 압착되면서 실린더와의 조립이 이루어지게 된다.In particular, the slide hook 30 is provided with a plurality of fixing keys 33 on the upper side of the outer peripheral surface, the fixing key is inserted into the key groove 23 while being inserted through the upper side of the cylinder 20, As the bottom surface is pressed onto the seating jaw 24, the assembly with the cylinder is made.

따라서, 샤프트(11)의 상하조정에 따라 슬라이드후크(30)가 상하강하게 되면 실린더(20)도 함께 상하강하게 되고, 실린더의 밸브면(25)이 밸브시트(15)로부터 이격되면 그 틈을 통해 분배기송수관(1)의 유체가 유입된 후, 슬라이드후크(30)의 유로구(32)를 거쳐 분지관입구소켓(3)으로 배출되도록 구성되어 있다.Therefore, when the slide hook 30 moves up and down according to the vertical adjustment of the shaft 11, the cylinder 20 also moves up and down, and when the valve face 25 of the cylinder is spaced apart from the valve seat 15, After the fluid of the distributor feed pipe 1 flows in, it is comprised so that it may be discharged to the branch pipe inlet socket 3 through the flow path 32 of the slide hook 30. FIG.

한편, 본 발명은 그 다른 실시예에 따르면, 도2에 도시한 바와 같이 다수의 분지관(미도시)이 분지관출구소켓(4)에 의해 분배기환수관(2)에 연결되어 있고, 분배기환수관을 지름방향으로 관통 설치된 밸브에 의해 분지관출구소켓의 출구측이 개폐되도록 구성되어 있다.On the other hand, according to another embodiment of the present invention, as shown in Figure 2, a plurality of branch pipes (not shown) are connected to the distributor return pipe (2) by the branch pipe outlet socket (4), the distributor return The outlet side of the branch pipe outlet socket is opened and closed by a valve installed through the pipe in the radial direction.

따라서, 분지관출구소켓(4)으로부터 배출되는 유체는 슬라이드후크(30)의 유로구(32)를 거쳐 실린더(20)의 밸브면(25)과 밸브시트(15)의 사이 간격을 통해 분배기환수관(2)으로 배출되도록 구성되어 있다.Accordingly, the fluid discharged from the branch pipe outlet socket 4 passes through the flow path 32 of the slide hook 30 and returns through the gap between the valve face 25 of the cylinder 20 and the valve seat 15. It is configured to be discharged to the tube (2).

요컨대, 본 발명에 따른 온수분배기의 밸브구조는 분배기송수관(1)과 분배기환수관(2)상에 설치되면서 분지관의 입구측과 출구측을 개폐하도록 설치되는 밸브구조에 있어서, 스프링하우징(10)의 샤프트(11)가 상하 탄성이동을 함에 따라 실린더(20)의 밸브면(25)이 밸브시트(15)로부터 이격되거나 밀착되면서 밸브개폐하게 되고, 밸브개방시 분배기송수관(1)의 유체가 슬라이드후크(30)의 유로구(32)를 통해 분지관입구소켓(3)으로 배출되도록 함으로써 유체에 의한 배압이 작용할 여지를 원천적으로 차단하게 되거나, 분지관출구소켓(4)의 유체가 슬라이드후크(30)의 유로구(32)를 통해 분배기환수관(2)으로 배출되도록 함으로써 유체충돌에 의한 소음 및 진동을 발생시키지 않도록 구성하는 데에 그 기술적 특징이 있다 할 것이다.In short, the valve structure of the hot water distributor according to the present invention is installed on the distributor water supply pipe (1) and the distributor return pipe (2) while the valve structure is installed to open and close the inlet and outlet side of the branch pipe, the spring housing (10) As the shaft 11 of the shaft moves up and down elastically, the valve face 25 of the cylinder 20 is spaced from or close to the valve seat 15 to close and close the valve, and when the valve is opened, the fluid of the distributor water pipe 1 By discharging to the branch pipe inlet socket 3 through the flow path 32 of the slide hook 30, it is possible to fundamentally block the possibility of the back pressure caused by the fluid, or the fluid of the branch pipe outlet socket 4 slides The technical features will be to configure such that the discharge and discharge to the distributor return pipe (2) through the flow path 32 of the 30 so as not to generate noise and vibration due to the fluid collision.

이와 같이, 본 발명의 상세한 설명에서는 구체적인 실시예에 관해 설명하였으나, 이는 본 발명의 범주에서 벗어나지 않는 한도내에서 여러가지 변형이 가능함 은 물론이다.As described above, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention.

그러므로, 본 발명의 범위는 상술된 실시예에 의해 한정되어져서는 안되며, 후술하는 청구범위 뿐만 아니라 청구범위와 균등한 구성에 의해 정해져야 함은 당연하다Therefore, it should be understood that the scope of the present invention should not be limited by the above-described embodiments, but should be defined not only by the claims below but also by the structures equivalent to the claims.

도1은 본 발명에 따른 온수분배기의 밸브구조중 일 실시예를 예시하는 단면도,1 is a cross-sectional view illustrating one embodiment of the valve structure of the hot water distributor according to the present invention;

도2는 본 발명에 따른 온수분배기의 밸브구조중 다른 실시예를 예시하는 단면도,2 is a cross-sectional view illustrating another embodiment of the valve structure of the hot water distributor according to the present invention;

도3은 본 발명에 따른 온수분배기의 밸브구조를 나타내는 요부사시도이다.Figure 3 is a perspective view showing the main part of the valve structure of the hot water distributor according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1: 분배기송수관 2: 분배기환수관 3: 분지관입구소켓 4: 분지관출구소켓 10: 스프링하우징 20: 실린더 30: 슬라이드후크 40: 소켓니플DESCRIPTION OF SYMBOLS 1 Dispenser water supply pipe 2: Dispenser water return pipe 3: Branch pipe inlet socket 4: Branch pipe outlet socket 10: Spring housing 20: Cylinder 30: Slide hook 40: Socket nipple

Claims (1)

분배기송수관(1) 또는 분배기환수관(2)상에 설치되면서 스프링하우징(10)의 샤프트(11)을 상하 탄성이동시켜 분지관입구소켓(3)의 입구측 또는 분지관출구소켓(4)의 출구측을 개폐하도록 구성되는 온수분배기의 밸브구조에 있어서, Installed on the distributor feed pipe (1) or distributor return pipe (2) while moving the shaft 11 of the spring housing 10 up and down to move the inlet side of the branch pipe inlet socket (3) or the branch pipe outlet socket (4) In the valve structure of the hot water distributor configured to open and close the outlet side, 상기 샤프트(11)의 상하 탄성이동에 따라 실린더(20)가 상기 스프링하우징(10)의 밸브시트(15)로부터 이격되거나 밀착되면서 밸브개폐하면서 밸브개방시 상기 분배기송수관(1) 또는 분지관출구소켓(4)의 유체가 실린더(20)내의 유로구(32)를 통해 상기 분지관입구소켓(3) 또는 분배기환수관(2)으로 배출되도록 구성되는 것을 특징으로 하는 온수분배기의 밸브구조.The dispenser water supply pipe 1 or the branch pipe outlet socket when opening the valve while opening and closing the valve while the cylinder 20 is spaced from or close to the valve seat 15 of the spring housing 10 according to the vertical movement of the shaft 11. The valve structure of the hot water distributor, characterized in that the fluid of (4) is configured to be discharged to the branch pipe inlet socket (3) or the distributor return pipe (2) through the flow path (32) in the cylinder (20).
KR1020070095116A 2007-09-19 2007-09-19 Valve structure for hot-water distributor KR100907344B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070095116A KR100907344B1 (en) 2007-09-19 2007-09-19 Valve structure for hot-water distributor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070095116A KR100907344B1 (en) 2007-09-19 2007-09-19 Valve structure for hot-water distributor

Publications (2)

Publication Number Publication Date
KR20090029925A true KR20090029925A (en) 2009-03-24
KR100907344B1 KR100907344B1 (en) 2009-07-13

Family

ID=40696403

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070095116A KR100907344B1 (en) 2007-09-19 2007-09-19 Valve structure for hot-water distributor

Country Status (1)

Country Link
KR (1) KR100907344B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101315046B1 (en) * 2012-01-03 2013-10-08 (주)허브시스템 A Return Pipe Assembly for Heating Water Distribution System
KR20160086180A (en) * 2015-01-09 2016-07-19 (주)상신 Flow control valve and hot water distributor
KR20200001089U (en) * 2018-11-19 2020-05-27 김학열 Thermostatic valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1217735B (en) 1988-05-26 1990-03-30 Saglio Trombone Srl Flli CERAMIC DISC SHUTTER WITH PERFORMANCE CHARGE FOR TAPS IN GENERAL
KR200288924Y1 (en) 2002-06-24 2002-09-11 김준호 Warm water divide duct for boiler
KR100652483B1 (en) 2005-04-21 2006-12-01 주식회사 한 에너지 시스템 Balancing valve with auto function
KR100714503B1 (en) 2005-11-28 2007-05-07 신한콘트롤밸브 주식회사 hot water distributor's temperature regulation valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101315046B1 (en) * 2012-01-03 2013-10-08 (주)허브시스템 A Return Pipe Assembly for Heating Water Distribution System
KR20160086180A (en) * 2015-01-09 2016-07-19 (주)상신 Flow control valve and hot water distributor
KR20200001089U (en) * 2018-11-19 2020-05-27 김학열 Thermostatic valve

Also Published As

Publication number Publication date
KR100907344B1 (en) 2009-07-13

Similar Documents

Publication Publication Date Title
US10296019B2 (en) Pressure relief vavle
JP4960448B2 (en) Water purifier filter assembly
US20100096028A1 (en) Anti-backflow valve
KR100907344B1 (en) Valve structure for hot-water distributor
CN101418589B (en) Flush valve
KR20080075417A (en) Sliding cartridge for water valve
US9816636B2 (en) Rigid piston retrofit for a diaphragm flush valve
MX344244B (en) Control stop and flushing system.
JP2006266276A (en) Self-closing valve
KR200464589Y1 (en) The Pressure Reducing Valve having ball type angle valve
JP2007315040A (en) Automatic faucet
JP2010220815A (en) Shower head
US10145092B2 (en) Device for preventing backflow
JP5005587B2 (en) steam trap
US10189194B2 (en) Unitary diaphragm
KR20120070936A (en) Push faucet and undersink water purifier comprising it
JP5303247B2 (en) Check valve
KR200290357Y1 (en) Safety valve intergrate opposite pressure exhaust equipment
KR20080095558A (en) Cartridge for control of flow
JPH08145236A (en) Counterpressure pressure damping valve
KR101223160B1 (en) device for flowing backward prevention of waterworks
KR200316427Y1 (en) Valve of bidet for wester chamber pot
JP5474376B2 (en) Flush valve and flush valve device
KR100836647B1 (en) Bidet
US9222584B2 (en) Rigid piston retrofit for a diaphragm flush valve

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20131004

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20140620

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee