WO2023027326A1 - 고압용기용 압력해제장치 - Google Patents
고압용기용 압력해제장치 Download PDFInfo
- Publication number
- WO2023027326A1 WO2023027326A1 PCT/KR2022/009766 KR2022009766W WO2023027326A1 WO 2023027326 A1 WO2023027326 A1 WO 2023027326A1 KR 2022009766 W KR2022009766 W KR 2022009766W WO 2023027326 A1 WO2023027326 A1 WO 2023027326A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chamber
- piston member
- cap member
- chamber part
- inflow passage
- Prior art date
Links
- 229910000743 fusible alloy Inorganic materials 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims description 31
- 239000000956 alloy Substances 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 30
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000000446 fuel Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/383—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0332—Safety valves or pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/042—Reducing risk of explosion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0184—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- the present invention is installed in a valve assembly that is installed in a high-pressure container in which high-pressure gas is stored and controls the flow of gas, and when the ambient temperature rises due to a fire, etc., the gas stored in the high-pressure container is discharged to the outside to prevent the explosion of the high-pressure container. It relates to a pressure release device for containers.
- a valve is installed in the high-pressure container in which gas is stored to control the flow of gas when the gas is charged into the high-pressure container and to control the flow of raw material gas when the gas stored in the high-pressure container is supplied to the gas use section. do.
- valves can precisely control the flow of gas according to electrical signals, keep the pressure of the gas stored in the hydrogen container constant, and prevent the explosion of the high-pressure container in the event of a hydrogen fuel cell vehicle overturning or fire. .
- a pressure relief device is installed in the valve to release the high-pressure gas stored in the high-pressure container to the outside when the ambient temperature rises due to a fire or the like.
- the existing pressure release device has a fusible alloy coupling part installed in a valve coupling part coupled to a valve of a gas container filled with gas, and a fusible alloy coupling Fusible alloy is mounted to the part to be sealed, and a disk is inserted into the valve coupling part to prevent the fusible alloy from being pushed by high pressure, and when the ambient temperature rises above a certain temperature, the fusible alloy melts and releases the gas stored in the gas container. Discharge to the outside to prevent explosion of the gas container.
- an object of the present invention is to provide a pressure release device for a high-pressure container capable of preventing environmental pollution and contamination of a workplace by preventing a molten soluble alloy from being discharged to the outside when the ambient temperature rises above a set temperature.
- the pressure release device for a high-pressure container of the present invention is mounted on a mounting portion formed between an inflow passage through which gas flows into a valve body and a discharge passage through which gas is discharged to the outside, thereby opening and closing the inflow passage.
- a cap member sealedly mounted to the mounting portion and having a space formed therein, and a first chamber portion inserted into the cap member to be linearly movable and opened at the lower side are formed and sealedly inserted into the inflow passage.
- the piston member includes a sealing rod portion inserted into the inflow passage and sealing the inflow passage, and a chamber forming portion forming a first chamber portion having a larger outer diameter than the sealing rod portion and having an open lower side at the lower portion of the sealing rod portion. , It may include a slide part extending outwardly from the lower side of the chamber forming part, sliding in contact with the inner surface of the cap member, and partitioning the space of the cap member into a second chamber part and a third chamber part.
- a connection passage part may be formed in the chamber forming part to connect the first chamber part and the second chamber part so that the molten soluble alloy flowing into the first chamber part flows into the second chamber part.
- a porous screen is provided between the lower surface of the piston member and the soluble alloy, and when the soluble alloy is melted, the porous screen may flow into the first chamber unit through the porous screen.
- a plurality of grooves may be formed on an outer surface of the sealing rod unit, and a plurality of sealing rings may be mounted in the plurality of grooves.
- the cap member has a threaded portion formed on its outer surface so as to be screwed into the inner surface of the mounting portion, and an upper open space portion is formed on the inner surface so that the piston member and the soluble alloy are inserted, and the lower side has a length from the outer surface of the valve body.
- a space securing portion protruding as much as (L1) to determine the length of the space portion may be formed.
- the pressure release device for a high-pressure container of the present invention is mounted on a mounting portion formed on a valve body to form a first chamber portion inside a piston member that opens an inflow passage, so that when a soluble alloy is melted, it flows into the first chamber portion.
- soluble alloy which is a heavy metal component
- a second chamber part is formed inside the cap member mounted on the valve body so that the soluble alloy flowing into the first chamber part flows into the second chamber part, so that the molten soluble alloy can be stored without being discharged to the outside Sufficient space can be obtained.
- FIG. 1 is a cross-sectional view of a pressure release device according to an embodiment of the present invention.
- FIGS. 2 and 3 are operating state diagrams of a pressure release device according to an embodiment of the present invention.
- FIGS. 2 and 3 are operating state diagrams of the pressure release device according to an embodiment of the present invention.
- the valve assembly for a high-pressure container includes a valve body 10 mounted at the inlet of a high-pressure container filled with gas and provided with a plurality of valves, and a manual valve installed on the valve body 10 to manually open and close a flow path. And, a solenoid valve installed in the valve body 10 to automatically open and close the flow path according to an electrical signal, and a solenoid valve installed in the valve body to release gas in the high-pressure container to the outside when the ambient temperature rises in the event of a fire due to a vehicle accident. It includes a pressure relief device that prevents the high-pressure container from exploding.
- the valve assembly for a high-pressure container is installed in a hydrogen fuel cell vehicle and is mainly used to control the flow of hydrogen raw material, and can be applied to any system for charging and supplying high-pressure gas other than a hydrogen fuel cell vehicle. possible.
- the valve body 10 includes an inflow passage 12 communicating with the high-pressure container and through which gas in the high-pressure container flows, a discharge passage 14 communicating at right angles to the inflow passage 12 and discharging gas to the outside, and an inflow passage A mounting portion 16 is formed which is located between 12 and the discharge passage 14 and to which the pressure release device is sealably mounted.
- the pressure release device is disposed to be linearly movable in the mounting part 16, has a lower side open to form the first chamber part 40, and is inserted sealably into the inflow passage 12 to seal the inflow passage 12. (30) and a cap member that is coupled to the mounting portion 16 so as to be sealable and is partitioned inside by the piston member 30 to form an upper second chamber portion 22 and a lower third chamber portion 24.
- a spring 50 installed between the inner surface of the mounting portion 16 and the piston member 30 to provide an elastic force to the piston member 30 in the direction in which the piston member 30 retracts, and the piston member ( 30) to support the piston member 30 so that it does not retreat, and when the ambient temperature exceeds the set temperature, it melts and retreats the piston member 30 so that the inlet passage 12 is opened.
- the piston member 30 has a larger outer diameter than the sealing rod portion 32 inserted into the inflow passage 12 to seal the inflow passage 12 and the sealing rod portion 32 at the lower side of the sealing rod portion 32.
- the chamber forming part 34 forming the first chamber part 40 formed and open at the bottom, and extending outward from the lower side of the chamber forming part 34, contacts the inner surface of the cap member 20 and slides. and a slide part 36 partitioning the inside of the cap member 20 into a second chamber part 22 and a third chamber part 24.
- an insertion portion 18 into which the sealing rod portion 32 is inserted is formed larger than the inner diameter of the inlet passage 12, and a plurality of grooves 72 are formed on the outer surface of the sealing rod portion 32. ) is formed and a plurality of sealing rings 70 are mounted in the groove 72 to adhere to the inner surface of the insertion portion 18 to perform a sealing action.
- the chamber forming part 34 has a larger outer diameter than the sealing rod part 32, and a stepped part 38 is formed at the top thereof, and the stepped part 38 is caught on the upper surface of the mounting part 16 to form a piston member 30 ) restricts upward movement. Also, a connection passage part 42 communicating between the first chamber part 40 and the second chamber part 22 is formed in the chamber forming part 34 .
- the cap member 20 has a threaded portion 26 formed on an outer surface of the cap member 20 so as to be screwed to the inner surface of the mounting portion 16, and space portions 22 and 24 whose upper sides are open inside the cap member 20, and the space portions 22 and 24 are formed therein. ) is divided into a second chamber part 22 and a third chamber part 24 by the slide part 36 of the piston member 30, and the soluble alloy 60 is mounted in the third chamber part 24 .
- a space securing portion 28 protruding from the outer surface of the valve body 10 by a length L1 is formed, and the length of the space securing portion 28 is formed. Accordingly, the size of the space portions 22 and 24 of the cap member 20 is determined. Therefore, the moving distance of the piston member 30 is determined according to the length of the space securing part 28, and the opening size L2 of the inlet passage 12 is determined depending on the moving distance of the piston member 20, Accordingly, the discharge flow rate of the gas is determined.
- the gas discharge flow rate can be adjusted by simply adjusting the length of the space securing part 28 during design.
- a porous screen 80 is mounted between the soluble alloy 60 and the sliding portion 36 of the piston member 30 to protect the soluble alloy 60 from being deformed when the soluble alloy 60 is in a solid state, and When 60 is melted, it passes through a porous screen (80).
- This porous screen 80 is in the form of a wire mesh and may be formed of a metal material.
- the fusible alloy 60 is an alloy in which a plurality of soluble metals are mixed at a predetermined ratio so as to be melted at a set temperature, and its components are prepared by mixing metals such as Bi, Pb, Sn, Cd, and In at a predetermined ratio.
- Pb, Sn, and Cd which are core metals of the fusible alloy 60, are metals subject to heavy metal regulations and cause environmental pollution when released into the air.
- the first chamber part 40 is formed in the piston member 30 so that the molten soluble alloy 60 is primarily introduced
- a second chamber part 22 is formed in the cap member 20 so that the molten soluble alloy 60 flows secondarily.
- the piston member 30 is inserted into the inflow passage 12 to close the inflow passage 12 to prevent gas from flowing out.
- the fusible alloy 60 When the ambient temperature rises due to an accident or fire, the fusible alloy 60 is melted by heat, as shown in FIG. 2 .
- the molten soluble alloy 60 passes through the porous screen 80 and flows into the first chamber part 40 formed in the piston member 30, and the soluble alloy 60 moves into the first chamber part 40.
- the piston member 30 is moved downward by the elastic force of the spring 50 by an amount.
- the second chamber portion 22 in which the molten soluble alloy 60 introduced into the first chamber portion 40 is formed on the cap member 20 through the connection passage portion 42 When moved to , the first chamber part 40 and the second chamber part 22 are filled with the molten soluble alloy 60 and the soluble alloy 60 does not remain in the third chamber part 24, so that the piston member ( 30) is in the maximum descending state and the inflow passage 12 is opened so that the gas introduced into the inflow passage 12 is discharged to the outside through the discharge passage 14.
- the molten soluble alloy flows into the first chamber part formed in the piston member and the second chamber part formed in the cap member, so that the molten soluble alloy can fundamentally be blocked from flowing out.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
Description
Claims (7)
- 밸브 바디의 가스가 유입되는 유입통로와 가스를 외부로 배출하는 배출통로 사이에 형성되는 장착부에 장착되어 유입통로의 개폐 작용을 하는 것으로,상기 장착부에 밀봉 가능하게 장착되고, 그 내부에 공간부가 형성되는 캡 부재;상기 캡 부재에 직선 이동 가능하게 삽입되고, 하방이 개방된 제1챔버부가 형성되며, 유입통로에 밀봉 가능하게 삽입되어 유입통로를 밀폐하며, 상기 캡 부재의 공간부를 제2챔버부와 제3챔버부로 구획하는 피스톤 부재;상기 피스톤 부재와 장착부 내면 사이에 설치되어 피스톤 부재가 후퇴하는 방향으로 탄성력을 제공하는 스프링; 및상기 제3챔버부에 장착되어 상기 피스톤 부재가 후퇴하지 않도록 지지하고, 주변온도가 설정온도 이상이 되면 용융되어 피스톤 부재를 후퇴시켜 유입통로가 개방되도록 하는 가용합금을 포함하고,상기 가용합금이 용융되면, 용융된 가용합금이 상기 제1챔버부와 제2챔버부로 순차 유입되어 외부로 유출되는 것을 방지하는 고압용기용 압력해제장치.
- 제1항에 있어서,상기 피스톤 부재는 상기 유입통로에 삽입되어 유입통로를 밀폐하는 밀봉 로드부;상기 밀봉 로드부의 하측에 밀봉 로드부에 비해 외경이 크게 형성되고 하방이 개방되는 제1챔버부를 형성하는 챔버 형성부; 및상기 챔버 형성부의 하측에서 외측방향으로 연장되어 캡 부재의 내면에 접촉되어 슬라이드 이동되고 상기 캡 부재의 공간부를 제2챔버부와 제3챔버부로 구획하는 슬라이드부를 포함하는 고압용기용 압력해제장치.
- 제2항에 있어서,상기 챔버 형성부에는 상기 제1챔버부와 제2챔버부를 연결하여 제1챔버부로 유입된 용융된 가용합금이 제2챔버부로 유입되도록 하는 연결 통로부가 형성되는 고압용기용 압력해제장치.
- 제1항에 있어서,상기 피스톤 부재의 슬라이드부와 가용합금 사이에는 다공성 스크린이 구비되고, 상기 다공성 스크린은 상기 가용합금이 용융되면 다공성 스크린을 통과하여 제1챔버부로 유입되는 고압용기용 압력해제장치.
- 제2항에 있어서,상기 밀봉 로드부의 외면에는 복수의 그루브가 형성되고, 상기 복수의 그루브에 복수의 시일링이 장착되는 고압용기용 압력해제장치.
- 제1항에 있어서,상기 캡 부재는 장착부의 내면에 나사 결합되도록 그 외면에 나사부가 형성되고, 그 내부는 상기 피스톤 부재와 가용합금이 삽입되도록 상측이 개방된 공간부가 형성되며, 그 하측에는 상기 밸브 바디의 외면에서 길이(L1)만큼 돌출되어 상기 공간부의 크기를 결정하는 공간 확보부가 형성되는 고압용기용 압력해제장치.
- 제5항에 있어서,상기 캡 부재의 돌출부의 길이(L1)에 따라 가스의 토출 유량이 결정되는 고압용기용 압력해제장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/293,771 US20240255108A1 (en) | 2021-08-25 | 2022-07-06 | Pressure relief device for high-pressure vessel |
EP22861540.7A EP4394237A1 (en) | 2021-08-25 | 2022-07-06 | Pressure relief device for high-pressure vessel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2021-0112567 | 2021-08-25 | ||
KR1020210112567A KR102563105B1 (ko) | 2021-08-25 | 2021-08-25 | 고압용기용 압력해제장치 |
Publications (1)
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100964738B1 (ko) | 2008-05-26 | 2010-06-21 | 주식회사 엔케이 | 고압가스용기용 압력 해제 장치 및 그 제조방법 |
WO2010136908A1 (en) * | 2009-05-25 | 2010-12-02 | Cavagna Group S.P.A. | Safety device for valves and/or containers under pressure |
JP2011149545A (ja) * | 2010-01-25 | 2011-08-04 | Honda Motor Co Ltd | ガスタンク |
KR101152475B1 (ko) * | 2007-02-22 | 2012-06-01 | 가부시키가이샤 후지킨 | 안전 밸브 |
JP2014040875A (ja) * | 2012-08-23 | 2014-03-06 | Honda Motor Co Ltd | 弁構造体 |
JP2016056822A (ja) * | 2014-09-05 | 2016-04-21 | 株式会社フジキン | 安全弁 |
KR20210076757A (ko) * | 2019-12-16 | 2021-06-24 | 현대자동차주식회사 | 온도 감응식 압력안전장치 |
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- 2021-08-25 KR KR1020210112567A patent/KR102563105B1/ko active IP Right Grant
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2022
- 2022-07-06 US US18/293,771 patent/US20240255108A1/en active Pending
- 2022-07-06 EP EP22861540.7A patent/EP4394237A1/en active Pending
- 2022-07-06 WO PCT/KR2022/009766 patent/WO2023027326A1/ko active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101152475B1 (ko) * | 2007-02-22 | 2012-06-01 | 가부시키가이샤 후지킨 | 안전 밸브 |
KR100964738B1 (ko) | 2008-05-26 | 2010-06-21 | 주식회사 엔케이 | 고압가스용기용 압력 해제 장치 및 그 제조방법 |
WO2010136908A1 (en) * | 2009-05-25 | 2010-12-02 | Cavagna Group S.P.A. | Safety device for valves and/or containers under pressure |
JP2011149545A (ja) * | 2010-01-25 | 2011-08-04 | Honda Motor Co Ltd | ガスタンク |
JP2014040875A (ja) * | 2012-08-23 | 2014-03-06 | Honda Motor Co Ltd | 弁構造体 |
JP2016056822A (ja) * | 2014-09-05 | 2016-04-21 | 株式会社フジキン | 安全弁 |
KR20210076757A (ko) * | 2019-12-16 | 2021-06-24 | 현대자동차주식회사 | 온도 감응식 압력안전장치 |
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KR102563105B1 (ko) | 2023-08-03 |
US20240255108A1 (en) | 2024-08-01 |
KR20230030391A (ko) | 2023-03-06 |
EP4394237A1 (en) | 2024-07-03 |
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