WO2019216613A1 - 고압가스용 개폐밸브 - Google Patents
고압가스용 개폐밸브 Download PDFInfo
- Publication number
- WO2019216613A1 WO2019216613A1 PCT/KR2019/005402 KR2019005402W WO2019216613A1 WO 2019216613 A1 WO2019216613 A1 WO 2019216613A1 KR 2019005402 W KR2019005402 W KR 2019005402W WO 2019216613 A1 WO2019216613 A1 WO 2019216613A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve body
- valve
- handle
- pressure gas
- circumferential surface
- Prior art date
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- 238000000034 method Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 10
- 239000006185 dispersion Substances 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 4
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- 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
- F16K1/02—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 with screw-spindle
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- 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
- F16K1/30—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 specially adapted for pressure containers
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- 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
- F16K1/30—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 specially adapted for pressure containers
- F16K1/301—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 specially adapted for pressure containers only shut-off valves, i.e. valves without additional means
- F16K1/303—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 specially adapted for pressure containers only shut-off valves, i.e. valves without additional means with a valve member, e.g. stem or shaft, passing through the seat
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- 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
- F16K1/36—Valve members
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
Definitions
- the present invention is installed on one side of the high-pressure gas container, that is, the branch point of the gas pipeline of the high-pressure gas equipment or the inlet of the container containing the high-pressure gas, driven by an external force, the on-off valve for controlling the opening and closing of the gas,
- the on-off valve for high-pressure gas characterized in that by providing a structure that essentially cancels the force issued by the pressure difference between the two sides of the on-off valve with a small force.
- High pressure gas is a gas compressed under high pressure, and according to the High Pressure Gas Safety Management Act, a compressed gas having a gauge pressure of 10 kgf / cm 2 or more at room temperature, and the pressure of which is at least 10 kgf / cm 2 or at a temperature of 35 ° C. It means the compressed gas which pressure becomes 10 kgf / cm ⁇ 2> or more.
- the high pressure gas is accommodated in a gas pipeline, a high pressure gas container of a high pressure gas facility and is actively applied in various fields of the modern industry.
- a high pressure gas container that is, a valve for opening and closing the high pressure gas accommodated in the gas pipeline or the high pressure gas container to the outside is installed.
- the valve When the valve is closed and coupled to one side of the high pressure gas container, that is, the branch point of the gas pipeline, or the upper neck-ring area of the high pressure gas container, the combined area is connected to the high pressure inside the container.
- the low pressure on the outside is simultaneously applied, and a force is generated in one direction by the pressure difference, thereby pressing the valve.
- the magnitude of the external force to be applied to the valve for opening the one side of the high-pressure gas receptor is very large due to the pressure difference. Therefore, not only the opening and closing operation of the valve is difficult, but also the wear of the coupling portion of the valve and the receptor occurs in this process, there is a problem that the life is shortened.
- Korean Utility Model Registration No. 20-0233081 'opening and closing valve for fire extinguishing chemicals', forms a 'T' groove in the opening and closing valve and the plug installed inside the valve body to open and close the operation according to the elevation.
- the technology of the open / close valve for a fire extinguishing agent container can be operated quickly and smoothly by minimizing the friction area with the inner circumferential surface of the valve body at the time, the handle of the handle is opened when the high pressure in the high pressure tank acts in the valve. The problem that requires a large external force for the operation of did not solve.
- Korean Patent No. 10-1748115 'opening valve for high pressure gas' by inserting a spring in a closed cylindrical space formed between the outer diameter surface of the push-type handle and the inner diameter surface of the valve body to close the vertical valve
- a spring in a closed cylindrical space formed between the outer diameter surface of the push-type handle and the inner diameter surface of the valve body to close the vertical valve
- To shut off the gas inlet and outlet hold the push handle and press the spring vertically downward and rotate it to the right or left to lock the valve and shut off the gas inlet by the sealing action of the X-type double lip ring. If you want to open it, turn the push handle to the left or right direction and the push handle will automatically move to the original position by the elastic restoring force of the compressed spring to open the valve.
- the problem to be solved by the present invention is to provide a high-pressure gas on-off valve that can be easily opened and closed with a small external force by minimizing the torque during operation by preventing the high pressure of the high-pressure gas directly acting on the handle driven by the external force. It is.
- the valve body is formed with a flow passage penetrating the lower portion, branching extending from one side of the flow passage toward the upper side, the opening and closing path of the upper surface;
- valve cover fixedly coupled to be in close contact with the upper surface of the valve body and the lower surface of the handle, wherein the valve body includes a pressure distribution hole penetrating the central axis to communicate with the flow path. The gas pressure of the inside and the flow path is maintained in an equilibrium state.
- valve body is characterized in that it further comprises a protrusion projecting in the horizontal direction from the upper outer peripheral surface toward the outside, the first screw thread corresponding to the second screw thread in the projecting cross section.
- protrusions characterized in that formed in each pair at the point opposite to the center of the horizontal plane circle of the valve body to form a pair.
- the inside is hollow and the upper surface is a closed cylindrical shape, the upper part is accommodated in the interior of the handle with the valve body received therein, the lower part is fixed to the upper part of the opening and closing, in the vertical direction from one side of the side wall And a valve chamber having a moving groove formed therein to guide the movement path of the protrusion.
- first seal provided between the inner circumferential surface of the opening and closing path and the outer circumferential surface of the valve body, and a second seal provided between the upper inner circumferential surface of the valve chamber and the upper outer circumferential surface of the valve body.
- FIG. 1 is a perspective cross-sectional view of the on-off valve for high pressure gas according to a preferred embodiment of the present invention.
- Figure 2 is an exploded perspective view of the on-off valve for high pressure gas according to a preferred embodiment of the present invention.
- Figure 3 is a cross-sectional view showing a closed state of the flow path of the on-off valve for high pressure gas according to an embodiment of the present invention.
- Figure 4 is a cross-sectional view showing a state in which the flow path of the on-off valve for high pressure gas in accordance with a preferred embodiment of the present invention.
- FIG. 1 is a perspective cross-sectional view of a high pressure gas on-off valve according to a preferred embodiment of the present invention
- Figure 2 is an exploded perspective view of the high pressure gas on-off valve according to a preferred embodiment of the present invention.
- the on / off valve for the high pressure gas includes a valve body 10, a valve body 20, a handle 30, a valve chamber 40, and a valve cover 50.
- the valve body 10 is a structure connected to the branch point of the gas pipeline or the upper neck-ring portion of the high-pressure gas container, the valve body 10 is formed in the horizontal direction through the lower portion of the valve body 10 to the inside A flow path 12 provided to flow the high pressure gas is formed, and the inlet port 11a and the discharge port 11b are formed to face one end and the other end of the flow path 12, respectively. That is, the high pressure gas of the high pressure gas container is introduced into the valve body 10 through the inlet port 11a and discharged to the outside through the discharge port 11b.
- valve body 10 is branched toward one side of the flow path 12, preferably in a longitudinal reference center, extending upward, and an opening and closing path 14 having an open upper surface is formed.
- the opening and closing path 14 is a space in which the lower portion of the valve body 20 is accommodated, and a portion branched from the flow passage 12 is opened and closed as the valve body 20 moves up and down.
- the valve body 20 has a longitudinally long rod shape, and a lower portion thereof is inserted into the opening and closing passage 14. At this time, a first screw thread 22 is formed on one side of the outer circumferential surface of the valve body 20, and the first screw thread 22 is screwed with the second screw thread 32 formed on the inner circumferential surface of the handle 30 to be described later. In addition, the handle 30 is moved up and down by an external force for rotating the opening and closing the flow path (12).
- the first screw thread 22 may be applied to the entire outer circumferential surface of the valve body 20, but is preferably limited to a predetermined portion of an upper portion of the outer circumferential surface to reduce the friction area by reducing the engagement area with the inner circumferential surface of the handle 30. It is possible to minimize the torque generated by.
- the projection 21 having the first screw thread 22 is formed in the protruding cross section may be further provided. That is, the protrusion 21 is substantially coupled to the handle 30 to be described later through the first screw thread 22 formed in the projecting cross section. Since the protruding portion 21 is formed in the valve body 20, the frictional resistance may be reduced during the screw engagement movement by minimizing the engagement area with the second screw thread 32 of the handle 30.
- the protrusion 21 may take various shapes such as a donut shape extending in a horizontal direction along an upper circumferential surface, a bar protrusion shape protruding in a horizontal direction from two or more points of the outer circumference line, and most preferably, a protrusion shape.
- the protruding points are preferably symmetrically formed at opposite points with respect to the center of the horizontal plane circle of the valve body 20 to form a pair.
- the external force applied to the protrusion 21 is symmetrically dispersed to maintain balance, thereby preventing damage to the external force by concentrating on a specific portion.
- valve body 20 includes a pressure distribution hole 24 through which a central axis passes so as to communicate with the flow passage 12.
- valve body 20 may be formed to have a smaller diameter as the number from the lower side to the lower side.
- the valve body 20 is formed in a conical shape so that the opening and closing degree of the flow path 12 can be finely adjusted according to the diameter change on the flow path 12 when the valve body 20 is moved up and down.
- the lower shape of the sieve 20 may be replaced with a disc or the like as necessary, but is not limited thereto.
- the handle 30 is a structure for guiding the lifting and lowering of the valve body 20 based on the external force applied by the operator, the inside is hollow and the upper surface is a closed cylinder, the valve body 20 therein It is seated on the upper surface of the valve body 10 in a state accommodating the upper portion. That is, the handle 30 is disposed in the upper portion and the valve body 10 is disposed in the lower portion with the upper and lower portions of the valve body 20 respectively accommodated therein. At this time, a second thread 32 corresponding to the first thread 22 is formed on the inner circumferential surface of the handle 30 to be screwed with the upper portion of the valve body 20.
- the handle 30 is rotated about the central axis by an external force, and the lifting and lowering movement of the valve body 20 is controlled through the thread coupling between the first screw thread 22 and the second screw thread 32.
- the handle 30 may have a stepped portion 34 protruding and extending in a horizontal direction along a lower circumference thereof to increase an area of a lower surface contacting the valve body 10. As the step portion 34 is formed, the handle 30 is stably coupled with the valve cover 50, which will be described later with the detailed description of the valve cover 50.
- the valve cover 50 is to tightly couple the valve body 10 and the handle 30 so that the handle 30 can be rotated without the vertical flow in the upper portion of the valve body 10, the nut as a whole Or it is provided in a flange shape is coupled to the handle 30 and the valve body 10 integrally in the state in which the lower portion of the handle 30 and the upper portion of the valve body 10 is inserted into the upper and lower inner peripheral surfaces, respectively.
- the valve cover 50 has a hollow nut shape inside, and has an upper end to lock the step portion 34 protruding in the horizontal direction from the lower end of the handle 20.
- the engaging portion 51 is bent extending toward the formed, and the lower inner peripheral surface is formed with a thread corresponding to the thread formed on the upper outer peripheral surface of the valve body 10, the locking portion 51 is the stepped portion 34
- the lower surface of the handle 20 and the upper surface of the valve body 10 are in close contact with each other by being screwed with the valve body 10 at the lowered state to be in close contact with each other.
- the upper surface of the step portion 34 and the lower surface of the engaging portion 51 may be formed of a material free of friction, or preferably, a bearing 80 may be formed to mechanically cancel the friction at the corresponding site. have.
- FIG 3 is a cross-sectional view showing a closed state of the high-pressure gas on-off valve according to an embodiment of the present invention
- Figure 4 is a state in which the flow path of the high-pressure gas on-off valve in accordance with a preferred embodiment of the present invention Is a cross-sectional view shown.
- the flow path (with a lower portion of the valve body 20 is inserted into the opening and closing path 14)
- the valve body 20 is driven by the vertical movement by the screwing between the first screw thread 22 formed at the end of the protrusion 21 of 20).
- the valve body 20 in the inlet (11a) side flow path 12 The pressure applied to the side) is distributed to the inner space of the handle through the pressure distribution hole 24, so that the structure in which the high pressure is not concentrated in the valve body 20 is provided. At this time, the pressure may be applied to the handle 30. Since the handle 30 is physically fixed to the valve body 10 by the valve cover 50, a portion where the pressure is concentrated is substantially a valve. It will be a coupling portion of the cover 50 and the handle 30 and the valve body 10. However, the coupling portion is applied to a material that can minimize the friction force in a state that is tightly fixed so that there is no up and down flow or the bearing 80 is included, the pressure by the gas pressure is canceled to minimize the torque.
- High-pressure gas on-off valve of the invention may further include a valve chamber (40).
- the valve chamber 40 has a hollow inside and a closed upper surface thereof, and accommodates the valve body 20 therein, but penetrates in a vertical direction from one side of the side wall so that the protrusion 21 may be moved. By forming a moving groove provided with a space for guiding the vertical movement path of the protrusion 21 to block the idle rotation of the valve body (20).
- a lower portion is fixed to communicate with the upper portion of the opening and closing 14 and the airtight state, the upper portion is accommodated in the handle 30, the gas pressure applied from the flow path 12 into the handle 30 inside
- the pressure applied to the handle 30 is structurally blocked to drastically reduce the amount of force for operating the handle 30.
- the valve chamber 40 has a screw thread formed on a lower outer circumferential surface of the valve chamber 40 in a state in which the valve body 20 is accommodated therein, as shown in the drawing.
- the screw is coupled to the screw thread formed on the upper inner circumferential surface, the upper portion is received in the interior of the handle 30 in a closed state.
- the gas pressure generated by the high pressure gas contained in the flow path 12 the pressure dispersion of the valve body 20 Pressure is applied to the valve chamber 40 by being distributed to the inner space above the valve chamber 40 through the hole 24.
- valve chamber 40 is screwed with the valve body 10
- the pressure is consequently the screw thread of the lower outer peripheral surface of the valve chamber 40 and the upper inner peripheral surface of the opening and closing path 14 of the valve body 10. Concentrated on the screw thread formed between the threads and is not distributed to the handle 30 side.
- the valve body 20 and the handle 30 are provided with a structure in which pressure is not applied, and the amount of external force required for the handle 30 to be rotated is significantly reduced.
- first and second seals 60 and 70 are formed, and the first seal 60 is a lower side of the opening and closing path 14. It is provided between an inner circumferential surface (ie, a lower portion based on a threaded portion for screwing with the valve chamber 40) and the outer circumferential surface of the valve body, and the second sealing 70 is an upper inner inner surface of the valve chamber 40. (That is, the upper portion based on the portion where the movable groove is formed) and the upper outer peripheral surface of the valve body 20 is provided.
- the protrusion 21 is inserted into the moving groove 42 It is coupled to the handle 30 by the first screw thread 22 and the second screw thread 32 in a state, and the moving groove does not occur as the handle 30 rotates about a central axis without causing the moving groove.
- follow (42) only the lifting and lowering movement.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Lift Valve (AREA)
Abstract
Description
Claims (6)
- 하부를 관통하는 유로와, 상기 유로의 일 측에서 상부를 향해 분기되어 연장되되 상면이 개방된 개폐로가 형성된 밸브몸체;세로로 긴 막대 형상으로 하부가 상기 개폐로 내부에 삽입 배치되되, 상부 외주면 일 측에 제1 나사산이 형성된 밸브체; 및내부가 중공되고 상면은 폐쇄된 통형으로, 내부에 상기 밸브체의 상부를 수용한 상태로 상기 밸브몸체 상면에 안착되되, 내주면에 상기 제1 나사산과 대응되는 제2 나사산이 형성된 손잡이;상기 밸브몸체의 상면과 상기 손잡이의 하면이 맞닿은 상태로 밀착되도록 고정 결합되는 밸브커버;를 포함하며,상기 밸브체는,상기 유로와 연통되도록 중심축을 관통한 압력분산홀을 포함하여, 상기 손잡이의 내부와 상기 유로의 가스압을 평형 상태로 유지시키는 것을 특징으로 하는 고압가스용 개폐밸브.
- 제 1 항에 있어서,상기 밸브체는,상부 외주면에서 외측을 향해 수평 방향으로 돌출되되, 돌출 단면에 상기 제2 나사산과 대응되는 상기 제1 나사산이 형성된 돌출부를 추가로 포함한 것을 특징으로 하는 고압가스용 개폐밸브.
- 제 2 항에 있어서,상기 돌출부는,상기 밸브체의 수평면 원의 중심을 기준으로 대향된 지점에서 각각 형성되어 한 쌍을 이루는 것을 특징으로 하는 고압가스용 개폐밸브.
- 제 3 항에 있어서,내부가 중공되고 상면은 폐쇄된 통형으로, 내부에 상기 밸브체를 수용한 상태로 상부는 상기 손잡이의 내부에 수용되며, 하부는 상기 개폐로 상부에 고정되되, 측벽 일 측에서 수직방향으로 길게 관통되어 상기 돌출부의 이동 경로를 안내하는 이동홈이 형성된 밸브 챔버;가 추가로 구비된 것을 특징으로 하는 고압가스용 개폐밸브.
- 제 4항에 있어서,상기 개폐로의 내주면과 상기 밸브체 외주면 사이에 구비되는 제1실링과,상기 밸브챔버의 상부 내주면과 상기 밸브체의 상부 외주면 사이에 구비되는 제2실링을 추가로 포함하는 것을 특징으로 하는 고압가스용 개폐밸브.
- 제 1항에 있어서,상기 손잡이의 하면과 상기 밸브몸체의 상면 사이에 형성된 베어링을 추가로 포함하는 것을 특징으로 하는 고압가스용 개폐밸브.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US17/040,968 US20210341061A1 (en) | 2018-05-08 | 2019-05-07 | Switch Valves for High Pressure Gas |
CN201980021546.6A CN111954774B (zh) | 2018-05-08 | 2019-05-07 | 高压气体用开闭阀 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2018-0052717 | 2018-05-08 | ||
KR1020180052717A KR101901285B1 (ko) | 2018-05-08 | 2018-05-08 | 고압가스용 개폐밸브 |
Publications (1)
Publication Number | Publication Date |
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WO2019216613A1 true WO2019216613A1 (ko) | 2019-11-14 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/KR2019/005402 WO2019216613A1 (ko) | 2018-05-08 | 2019-05-07 | 고압가스용 개폐밸브 |
Country Status (4)
Country | Link |
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US (1) | US20210341061A1 (ko) |
KR (1) | KR101901285B1 (ko) |
CN (1) | CN111954774B (ko) |
WO (1) | WO2019216613A1 (ko) |
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KR102108100B1 (ko) * | 2019-12-06 | 2020-05-07 | 김석 | 고압 가스 개폐 밸브 |
CN115962287B (zh) * | 2022-11-25 | 2023-10-27 | 无锡美瑞克阀门制造有限公司 | 一种充气密封的半圆顶阀 |
JP2024148207A (ja) * | 2023-04-05 | 2024-10-18 | 株式会社タツノ | 流量調整弁 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0650443A (ja) * | 1992-07-30 | 1994-02-22 | Kokusai Electric Co Ltd | 開閉バルブ |
JPH0628433U (ja) * | 1992-09-14 | 1994-04-15 | エスエムシー株式会社 | 流体圧機器用バルブ |
JP2003042333A (ja) * | 2001-08-02 | 2003-02-13 | Ando Kk | ゲージバルブ |
KR200310695Y1 (ko) * | 2002-12-30 | 2003-04-21 | 손열삼 | 글로우브 밸브 |
JP2014009782A (ja) * | 2012-07-02 | 2014-01-20 | Toto Ltd | 調圧機能付き止水栓装置、及び、それを備えた水栓装置及び湯水混合水栓装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1219105A (en) * | 1967-11-13 | 1971-01-13 | Kidde Walter Co Ltd | Improvements in or relating to valves |
JP6002448B2 (ja) * | 2012-05-31 | 2016-10-05 | 株式会社フジキン | ダイヤフラム弁 |
WO2013183871A1 (ko) * | 2012-06-04 | 2013-12-12 | 영도산업 주식회사 | 유체 제어용 밸브 어셈블리 |
KR101826152B1 (ko) * | 2015-06-02 | 2018-03-22 | 가부시키가이샤 네리키 | 용기 밸브 |
CN205781164U (zh) * | 2016-06-30 | 2016-12-07 | 重庆市山城燃气设备有限公司 | 高灵敏度的自平衡阀芯组件 |
-
2018
- 2018-05-08 KR KR1020180052717A patent/KR101901285B1/ko active Active
-
2019
- 2019-05-07 WO PCT/KR2019/005402 patent/WO2019216613A1/ko active Application Filing
- 2019-05-07 CN CN201980021546.6A patent/CN111954774B/zh not_active Expired - Fee Related
- 2019-05-07 US US17/040,968 patent/US20210341061A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0650443A (ja) * | 1992-07-30 | 1994-02-22 | Kokusai Electric Co Ltd | 開閉バルブ |
JPH0628433U (ja) * | 1992-09-14 | 1994-04-15 | エスエムシー株式会社 | 流体圧機器用バルブ |
JP2003042333A (ja) * | 2001-08-02 | 2003-02-13 | Ando Kk | ゲージバルブ |
KR200310695Y1 (ko) * | 2002-12-30 | 2003-04-21 | 손열삼 | 글로우브 밸브 |
JP2014009782A (ja) * | 2012-07-02 | 2014-01-20 | Toto Ltd | 調圧機能付き止水栓装置、及び、それを備えた水栓装置及び湯水混合水栓装置 |
Also Published As
Publication number | Publication date |
---|---|
US20210341061A1 (en) | 2021-11-04 |
CN111954774B (zh) | 2022-08-02 |
CN111954774A (zh) | 2020-11-17 |
KR101901285B1 (ko) | 2018-11-05 |
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