WO2022270795A1 - 고압용기용 압력 해제장치 - Google Patents
고압용기용 압력 해제장치 Download PDFInfo
- Publication number
- WO2022270795A1 WO2022270795A1 PCT/KR2022/007992 KR2022007992W WO2022270795A1 WO 2022270795 A1 WO2022270795 A1 WO 2022270795A1 KR 2022007992 W KR2022007992 W KR 2022007992W WO 2022270795 A1 WO2022270795 A1 WO 2022270795A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas
- sealing
- chamber
- piston member
- gas passage
- Prior art date
Links
- 239000000155 melt Substances 0.000 claims abstract description 12
- 229910000743 fusible alloy Inorganic materials 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 80
- 229910045601 alloy Inorganic materials 0.000 claims description 33
- 239000000956 alloy Substances 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 92
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 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
- 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
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
- F17C13/123—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
-
- 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
- F16K17/003—Safety valves; Equalising valves, e.g. pressure relief valves reacting to pressure and temperature
-
- 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
- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/042—Reducing risk of explosion
-
- 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
Definitions
- the present invention is a high-pressure container that 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 prevents the explosion of the high-pressure container by discharging the gas stored in the high-pressure container to the outside when the ambient temperature rises due to a fire or the like. It relates to a pressure release device.
- 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, maintain a constant pressure of the gas stored in the hydrogen container, 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 in the event of a fire.
- a conventional 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 soluble alloy Fusible alloy is mounted to the coupling part so that it can be sealed, and a disk is inserted into the valve coupling part to prevent the soluble alloy from being pushed by high pressure. It ruptures and discharges the gas stored in the gas container to the outside to prevent the gas container from exploding.
- this conventional pressure release device has a structure that seals the passage through which gas is discharged only with a disk and a fusible alloy, reliability is low. As a result, there is a problem in that it is difficult to release quickly due to a difference in the release time of the gas in the pressure container.
- an object of the present invention is that when the fusible alloy mounted on the rear surface of the piston member is melted by the ambient temperature, the piston member is retracted to open the gas passage so that the high-pressure gas in the high-pressure container is discharged to the outside through the gas passage, so that rapid release is possible. It is possible to provide a pressure release device for a high-pressure container.
- Another object of the present invention is to provide a pressure release device for a high-pressure container capable of preventing gas leakage through the gas passage by improving the sealing performance of the gas passage because the sealing rod of the piston member is inserted into the gas passage to seal the gas passage. is to provide
- the pressure release device for a high-pressure container of the present invention is coupled to a valve body mounted in a high-pressure container, a gas passage through which gas of the high-pressure container flows is formed, and a space portion communicating with the gas passage is formed
- the first body may communicate between the gas passage and the space, and may have a larger inner diameter than the gas passage to form a sealing part having a cylindrical shape to which the piston member is inserted and brought into close contact.
- the piston member includes a slide part slidably inserted into the inner surface of the chamber, a spring support part extending from the slide part and having a smaller outer diameter than the slide part and supported by a spring, and extending from the spring support part and extending from the spring support part. It may include a sealing rod having a relatively small outer diameter and inserted into the sealing portion to perform a sealing action.
- the outer diameter of the sealing rod part is smaller than the inner diameter of the sealing part, so that a gap is formed between the sealing rod part and the sealing part, and a first sealing ring and a second sealing ring for sealing the gap are mounted on the outer surface of the sealing rod part. It can be.
- the first and second sealing parts may be separated from the sealing part so that gas is discharged through a gap between the sealing rod part and the sealing part.
- One side of the gas outlet of the second body communicates with the space and the other side is formed on the rear surface of the second body, and may be formed in plurality at regular intervals in the circumferential direction of the second body.
- a melt outlet is formed in the chamber so that the soluble alloy is discharged to the outside of the chamber, and at the rear of the chamber, when the soluble alloy is in a solid state, the soluble alloy is supported to maintain its original state, and when the soluble alloy is in a liquid state, it passes through
- a filter member may be mounted so that the melt is discharged to the outlet.
- the gas passage is sealed by the piston member, and when the soluble alloy is melted by the ambient temperature, the piston member retracts by the elastic force of the spring and the pressure of the gas, thereby opening the gas passage Since the gas is opened, the gas can be rapidly discharged, thereby improving the reliability of the gas discharge.
- sealing performance can be improved and gas leakage through the gas passage can be prevented more reliably.
- 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.
- FIG. 1 is a cross-sectional view of a pressure release device according to an embodiment of the present invention.
- a valve assembly for a high-pressure vessel includes a valve body mounted at the inlet of a gas-filled high-pressure vessel and provided with a plurality of valves, a manual valve installed on the valve body to manually open and close a flow path, and a valve body installed on the valve body. and a solenoid valve that automatically opens and closes the flow path according to an electrical signal, and a solenoid valve installed on the valve body to prevent the high-pressure container from exploding by releasing the 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.
- 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 hydrogen fuel cell vehicles. Do.
- the pressure release device is mounted on the valve body and communicates with the high-pressure container to form a gas passage 12 through which gas flows, and a first body portion 10 in which a space 14 communicating with the gas passage 12 is formed.
- a gas outlet 22 is formed at the rear of the first body portion 10 to seal the space portion 14 and discharges gas introduced into the space portion to the outside, and a chamber communicating with the space portion 14 ( 24) is formed, the piston member 30 mounted to be linearly movable in the chamber 24 and opening and closing the gas passage 12, and the rear side chamber of the piston member 30 ( 24) and includes a fusible alloy 40 that is melted when the ambient temperature exceeds a set temperature and secures a space for retracting the piston member 30.
- the first body portion 10 has a male threaded portion 52 formed on the outer surface screwed to the valve body and a gas passage 12 is formed to pass through, so that the gas of the high-pressure container flows in and the gas passage is formed on the lower side of the gas passage 12.
- a sealing portion 54 having a larger inner diameter than that of the furnace 12 and being in close contact with the sealing rod portion 36 of the piston member 30 is formed. And the sealing part 54 communicates with the space part 14 .
- the second body part 20 is inserted into the space part 14 of the first body part 10, and the inner surface of the first body part 10 and the outer surface of the second body part 20 are mutually screwed together.
- a portion 56 is formed, and a piston member 30 is slidably disposed on an inner surface of the chamber 24 communicating with the space portion 14 .
- one side of the gas outlet 22 communicates with the space portion 14 and the other side is formed on the rear surface of the second body portion 20, and is formed in plurality at regular intervals in the circumferential direction of the second body portion 20.
- the gas introduced into the space part 14 is discharged to the outside through the rear of the second body part 20 .
- a concave portion 46 is formed on the rear surface of the second body portion 20 in a concave shape with a center going inward, and a plurality of gas outlets are exposed to the outside at regular intervals in the circumferential direction of the concave portion 46. do.
- a melt discharge port 42 is formed at the rear of the chamber 24 so that when the soluble alloy 40 disposed in the chamber 24 is melted, it is discharged to the outside of the chamber 24, and at the rear of the chamber 24, the soluble alloy ( 40) is equipped with a filter member 44 that supports the soluble alloy 40 to maintain its original state when it is in a solid state and allows the soluble alloy 40 to pass through and be discharged to the melt discharge port 42 when the soluble alloy 40 is in a liquid state.
- the filter member 44 is in the form of a mesh of a metal material and is disposed on the rear surface of the chamber 24 to serve to support the soluble alloy 40 so as not to deform, and when the soluble alloy 40 is melted and becomes a liquid state, the filter member 44 is in a liquid state It has a structure through which the soluble alloy 40 passes.
- a stopper member 60 is mounted at the rear of the second body 20 to block the gas outlet 22 and prevent foreign substances from entering through the gas outlet 22, and the stopper 60 is installed on the first body. It is connected by a connecting band 62 fixed to the unit 10 to prevent separation when the stopper member 60 is separated from the gas outlet 22 .
- the stopper member 60 may be separated from the second body part 20 by the pressure of the gas discharged through the gas outlet 22 .
- the piston member 30 includes a slide portion 32 slidably inserted into the inner surface of the chamber 24, extending from the slide portion 32 and having a smaller outer diameter than the slide portion 32, and a spring 70.
- a backflow prevention O-ring 64 is mounted on an outer surface of the slide part 32 to prevent a backflow of gas introduced into the space part 14 to the rear of the piston member 30 .
- One end of the spring 70 is supported by the spring support portion 34 of the piston member 30 and the other end is supported on the inner surface of the space portion 14 to provide an elastic force in the direction in which the piston member 30 retracts.
- the outer diameter of the sealing rod portion 36 is smaller than the inner diameter of the sealing portion 54, so that a gap exists between the sealing rod portion 36 and the sealing portion 54, and the sealing rod portion seals the gap.
- (36) is equipped with a first sealing ring 72 and a second sealing ring 74 on its outer surface.
- the sealing rod portion 36 has a cylindrical shape, and the sealing portion 54 is formed in a cylindrical shape, so that when the sealing rod portion 36 is inserted into the sealing portion 54, the gas passage 12 is sealed and sealed.
- the first sealing ring 72 and the second sealing ring 74 are mounted on the outer surface of the rod part 36, respectively, so that leakage of gas can be fundamentally prevented.
- valve structure according to the present embodiment has an advantage in that the sealing performance can be maintained regardless of external impact or elastic force of the spring because the sealing rod is disposed in a state inserted into the sealing portion.
- the soluble alloy 40 is mounted in the chamber 24 located at the rear of the piston member 30 and its front surface contacts the rear surface of the piston member 30 and its rear surface contacts the filter member 44 to form a piston member ( 30) is supported so as not to retreat so that the sealing rod portion 36 remains inserted into the sealing portion 54, and when the ambient temperature rises, it melts and is discharged to the outside, leaving a space at the rear of the chamber 24. And, accordingly, the piston member 30 is retracted to open the gas passage 12.
- FIGS. 2 and 3 are operational state diagrams of a pressure release device for a high-pressure container according to an embodiment of the present invention.
- the sealing rod portion 36 of the piston member 30 is inserted into the sealing portion 54 to seal the gas passage 12 and block the discharge of gas.
- the sealing part 54 is cylindrical, and the sealing rod part 36 is formed in the shape of a cylinder, the sealing rod part 36 is inserted into the cylindrical sealing part 54 to perform a sealing action. It is possible to fundamentally prevent the sealing rod portion 36 from being separated from the sealing portion 54 due to an impact or other external factors, thereby blocking gas discharge through the gas passage 12 .
- the fusible alloy 40 is melted and discharged through the melt outlet 42, and accordingly, the space inside the chamber 24 by the amount of the fusible alloy 40 is discharged is formed and accordingly, the piston member 30 is retracted by the elastic force of the spring 70 and the pressure of the gas.
- the first sealing ring 72 and the second sealing ring 74 of the sealing rod part 36 even in a state where a portion of the soluble alloy 40 remains inside the chamber 24 Gas flows into the space 14 through the gap between the sealing rod 36 and the sealing 54 by leaving the sealing portion 54, and the gas flowing into the space 14 passes through the gas outlet It is discharged to the outside through (22).
- the gas is discharged through the gap.
- the present invention is applicable to high-pressure gas containers such as hydrogen fuel cell systems.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims (7)
- 고압용기에 장착되는 밸브바디에 결합되고 고압용기의 가스가 유입되는 가스통로가 형성되고, 상기 가스통로와 연통되는 공간부가 형성되는 제1바디부;상기 제1바디부의 공간부에 장착되고 상기 공간부로 유입된 가스를 외부로 배출하는 가스 배출구가 형성되며, 상기 공간부와 연통되는 챔버가 형성되는 제2바디부;상기 챔버에 직선 이동 가능하게 장착되고 상기 가스통로를 개폐하는 피스톤 부재;상기 공간부와 피스톤 부재 사이에 배치되어 피스톤 부재가 후퇴되는 방향으로 탄성력을 제공하는 스프링; 및상기 피스톤 부재의 후방에 위치되는 챔버에 장착되고 주변온도가 설정온도 이상이 되면 용융되는 가용합금을 포함하고,상기 가용합금이 용융되어 챔버 외부로 배출되면 상기 피스톤 부재가 후퇴되면서 상기 가스통로를 개방하는 고압용기용 압력 해제장치.
- 제1항에 있어서,상기 제1바디부는 상기 가스통로와 공간부 사이에 연통되고 상기 가스통로에 비해 내경이 크게 형성되어 상기 피스톤 부재가 삽입되어 밀착되는 원통형태의 밀봉부가 형성되는 고압용기용 압력 해제장치.
- 제2항에 있어서,상기 피스톤 부재는 상기 챔버 내면에 슬라이드 이동 가능하게 삽입되는 슬라이드부;상기 슬라이드부에서 연장되고 슬라이드부에 비해 외경이 작게 형성되며 스프링이 지지되는 스프링 지지부; 및상기 스프링 지지부에서 연장되고 스프링 지지부에 비해 외경이 작게 형성되어 밀봉부에 삽입되어 밀봉작용을 하는 밀봉로드부를 포함하는 고압용기용 압력 해제장치.
- 제3항에 있어서,상기 밀봉로드부의 외경은 상기 밀봉부의 내경에 비해 작게 형성되어 밀봉로드부와 밀봉부 사이에는 틈새가 형성되고, 상기 밀봉로드부의 외면에는 상기 틈새를 밀봉하는 제1시일링 및 제2시일링이 장착되는 고압용기용 압력 해제장치.
- 제3항에 있어서,상기 가용합금의 면적 중 1/3이 챔버에 남은 상태일 때 상기 밀봉로드부와 밀봉부 사이의 틈새를 통해 가스가 배출되도록 제1시일링 및 제2시일링이 밀봉부에서 이탈되는 고압용기용 압력 해제장치.
- 제1항에 있어서,상기 제2바디부의 가스 배출구는 그 일측이 공간부와 연통되고 타측은 제2바디부의 후면에 형성되며, 상기 제2바디부의 둘레방향으로 일정 간격으로 복수로 형성되는 고압용기용 압력 해제장치.
- 제1항에 있어서,상기 챔버에는 가용합금이 용융되면 챔버 외부로 배출되도록 하는 용융물 배출구가 형성되고, 상기 챔버의 후방에는 가용합금이 고체상태일 때에는 가용합금이 원상태를 유지하도록 지지하고, 가용합금이 액체상태로 되면 통과하여 용융물 배출구로 배출되도록 하는 필터부재가 장착되는 고압용기용 압력 해제장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023567133A JP2024516275A (ja) | 2021-06-23 | 2022-06-07 | 高圧容器用圧力解放装置 |
CN202280032039.4A CN117295909A (zh) | 2021-06-23 | 2022-06-07 | 高压容器用泄压装置 |
EP22828642.3A EP4361494A1 (en) | 2021-06-23 | 2022-06-07 | Pressure relief device for high-pressure vessel |
CA3219222A CA3219222A1 (en) | 2021-06-23 | 2022-06-07 | Pressure relief device for high-pressure vessel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2021-0081458 | 2021-06-23 | ||
KR1020210081458A KR102515443B1 (ko) | 2021-06-23 | 2021-06-23 | 고압용기용 압력해제장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022270795A1 true WO2022270795A1 (ko) | 2022-12-29 |
Family
ID=84538578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2022/007992 WO2022270795A1 (ko) | 2021-06-23 | 2022-06-07 | 고압용기용 압력 해제장치 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP4361494A1 (ko) |
JP (1) | JP2024516275A (ko) |
KR (1) | KR102515443B1 (ko) |
CN (1) | CN117295909A (ko) |
CA (1) | CA3219222A1 (ko) |
WO (1) | WO2022270795A1 (ko) |
Citations (6)
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JPS62220784A (ja) * | 1986-03-20 | 1987-09-28 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 制御弁 |
KR100589479B1 (ko) * | 2003-03-03 | 2006-06-14 | 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 |
KR101114531B1 (ko) * | 2010-03-11 | 2012-02-27 | (주)모토닉 | 고압연료탱크 장착용 화염노출 안전장치 |
KR20150027816A (ko) * | 2013-03-04 | 2015-03-12 | 카와사키 주코교 카부시키 카이샤 | 용전식 안전밸브 |
-
2021
- 2021-06-23 KR KR1020210081458A patent/KR102515443B1/ko active IP Right Grant
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2022
- 2022-06-07 CA CA3219222A patent/CA3219222A1/en active Pending
- 2022-06-07 CN CN202280032039.4A patent/CN117295909A/zh active Pending
- 2022-06-07 EP EP22828642.3A patent/EP4361494A1/en active Pending
- 2022-06-07 JP JP2023567133A patent/JP2024516275A/ja active Pending
- 2022-06-07 WO PCT/KR2022/007992 patent/WO2022270795A1/ko active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62220784A (ja) * | 1986-03-20 | 1987-09-28 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 制御弁 |
KR100589479B1 (ko) * | 2003-03-03 | 2006-06-14 | 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 |
KR101114531B1 (ko) * | 2010-03-11 | 2012-02-27 | (주)모토닉 | 고압연료탱크 장착용 화염노출 안전장치 |
KR20150027816A (ko) * | 2013-03-04 | 2015-03-12 | 카와사키 주코교 카부시키 카이샤 | 용전식 안전밸브 |
Also Published As
Publication number | Publication date |
---|---|
KR20220170517A (ko) | 2022-12-30 |
CN117295909A (zh) | 2023-12-26 |
KR102515443B1 (ko) | 2023-03-29 |
CA3219222A1 (en) | 2022-12-29 |
JP2024516275A (ja) | 2024-04-12 |
EP4361494A1 (en) | 2024-05-01 |
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