KR20130024214A - Composite honeycomb high-pressure vessel - Google Patents

Composite honeycomb high-pressure vessel Download PDF

Info

Publication number
KR20130024214A
KR20130024214A KR1020110087516A KR20110087516A KR20130024214A KR 20130024214 A KR20130024214 A KR 20130024214A KR 1020110087516 A KR1020110087516 A KR 1020110087516A KR 20110087516 A KR20110087516 A KR 20110087516A KR 20130024214 A KR20130024214 A KR 20130024214A
Authority
KR
South Korea
Prior art keywords
honeycomb
container
diameter side
hemispherical
circular body
Prior art date
Application number
KR1020110087516A
Other languages
Korean (ko)
Inventor
김봉이
Original Assignee
김봉이
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 김봉이 filed Critical 김봉이
Priority to KR1020110087516A priority Critical patent/KR20130024214A/en
Publication of KR20130024214A publication Critical patent/KR20130024214A/en

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C1/00Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/02Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
    • F17C1/04Protecting sheathings
    • F17C1/06Protecting sheathings built-up from wound-on bands or filamentary material, e.g. wires
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C1/00Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/02Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
    • F17C1/08Integral reinforcements, e.g. ribs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/06Closures, e.g. cap, breakable member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2201/00Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01Shape
    • F17C2201/0104Shape cylindrical
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2205/00Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0308Protective caps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2205/00Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0311Closure means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

PURPOSE: A composite honeycomb high pressure container is provided to control the inflow and outflow of compressive gas by coupling an opening and closing valve at the center of a semi-spherical cap and to shortening charging time by charging at high pressure and high speed. CONSTITUTION: A composite honeycomb high pressure container comprises a honeycomb cylindrical body(25). The cylindrical body comprises an outer container(20), an inner container(21), multiple triangular channels(22) or rectangular channels(23), and multiple radial support plates(24,24'). Internal female threads(28) of semi-spherical caps(27,27') are coupled to external male threads(26) of the outer container. Internal female threads of the inner container are coupled to the external male threads of the semi-spherical caps. An opening and closing valve(30) is coupled to the center of one of the semi-spherical caps. Refrigerant entered through an inflow pipe(31) passes through the triangular or rectangular channels via an annular groove(22) and is discharges to an annular groove(33') and an outflow pipe. A high-tensional steel material(14) is wound on the cylindrical body and parallel portions of the semi-spherical caps. [Reference numerals] (AA) Inflow of low-temperature media; (BB) Outflow of low-temperature media

Description

복합재 허니콤 고압용기{Composite honeycomb high-pressure vessel}Composite honeycomb high-pressure vessel

본 발명은 복합재 허니콤 고압용기에 관한 것으로서, 보다 상세하게는 원통형 고압용기의 내경부에 다수개의 방사형 지지판을 일체형으로 성형한 내부용기와 동심원으로 형성된 외부용기 사이에 축방향을 따라서 삼각채널 또는 사각채널을 일체형이 되도록 압출성형한 허니콤 원형몸통의 양 끝단에 나사를 형성하여 한 쌍의 반구형캡과 체결하고, 용접을 추가로 실시하기도 하고, 상기 허니콤 원형몸통과 반구형캡의 외주면 평행부를 따라서 탄소섬유나 유리섬유와 같은 고탄성선재를 후프방향 적층이 형성되도록 감아줌으로써 고강도, 경량, 고용량의 원통형 복합재 허니콤 고압용기가 형성된다.The present invention relates to a composite honeycomb high-pressure container, and more particularly, triangular channels or squares along an axial direction between an inner container formed by forming a plurality of radial support plates integrally on the inner diameter of a cylindrical high pressure container and an outer container formed by concentric circles. Channels are formed at both ends of the honeycomb circular body extruded to form a unitary body and fastened with a pair of hemispherical caps, and additionally welded, along the outer circumferential surface parallel portions of the honeycomb circular body and the hemispherical cap. A high-strength, light-weight, high-capacity cylindrical composite honeycomb high-pressure vessel is formed by winding a high elastic wire such as carbon fiber or glass fiber to form a hoop stack.

또한, 반구형캡의 중심부에는 개폐밸브를 체결하여 고압가스의 유출입을 보장하고, 외곽측 가장자리의 전면에는 유입파이프와 유출파이프를 각각 체결하여 외부에서 유입된 저온공기나 냉매체가 허니콤 원형몸통에 축방향으로 길게 형성된 삼각채널 또는 사각채널을 통과하면서 열교환 작용에 의해 저장된 고압가스의 온도와 압력을 떨어뜨림으로써 고압·고속충전에 의해 충전시간을 단축하고, 고압용기의 강도 및 밀봉 안전성을 추가적으로 확보한 원통형상의 복합재 허니콤 고압용기에 관한 것이다.In addition, the opening and closing valve is secured to the center of the hemispherical cap to ensure the inflow and outflow of high pressure gas, and the inlet pipe and the outflow pipe are respectively fastened to the front of the outer edge so that the low-temperature air or refrigerant flowed into the honeycomb body By reducing the temperature and pressure of the stored high pressure gas through heat exchange action while passing through the triangular channel or square channel formed in the long direction, the charging time is shortened by high pressure and high speed charging, and additionally securing the strength and sealing safety of the high pressure container. Cylindrical composite honeycomb high pressure vessel.

종래의 원통형 복합재 고압용기는 강재를 후방압출 딥 드로잉으로 성형한 고압용기의 원형몸통 외주면 평행부를 따라서 탄소섬유나 유리섬유와 같은 고탄성선재를 후프방향의 적층이 형성되도록 감아서 강도안전성을 확보한 강재용기이다.Conventional cylindrical composite high pressure vessel is a steel material which secures strength safety by winding high elastic wire such as carbon fiber or glass fiber to form a hoop along the parallel part of the outer peripheral surface of the circular body of the high pressure vessel formed by back extruding deep drawing. Courage

복합재 고압용기는 가스압력에 충분히 견딜 수 있도록 하기 위해 비교적 두꺼운 강재를 일체형으로 압출성형한 고압용기의 외주면 평행부에 고탄성의 복합소재를 감아서 강도안전성을 확보하기 때문에 중량증가로 인한 장착차량의 연비저하와 원가상승, 후방압출 성형가공에 의한 대용량 고압용기의 제조곤란, 특히 고압가스 충전과정에 발생하는 빠른 온도상승으로 인한 위험성을 낮추기 위해 실시하는 저속충전 때문에 충전시간이 증가하는 문제, 차량에 탑재된 복합재 고압용기에 공급되는 외부의 복사열에 의한 압력상승을 제어할 수 있는 안전밸브가 작동하지 않을 경우는 위험성이 급격하게 증가한다는 문제점이 있다. Composite high pressure container is wound around the outer surface of the high-pressure container in which integrally thick steel is integrally molded in order to be able to withstand the gas pressure. Difficulties in manufacturing large-capacity high-pressure containers due to degradation, cost increase, and back-extrusion molding process, especially charging time increases due to low-speed charging to reduce the risk of rapid temperature rise during high-pressure gas filling process. If the safety valve that can control the pressure rise due to external radiant heat supplied to the composite high-pressure container is not in operation, there is a problem that the risk is rapidly increased.

본 발명은 상기한 바와 같은 종래의 제반 문제점을 해소하기 위해 창안된 것으로서, 그 목적은 원통형 복합재 고압용기에 작용하는 압력을 충분히 견딜 수 있을 정도의 강도안전성과 밀봉안전성을 확보하고, 경량구조를 갖으면서 고용량을 유지하며, 고속충전이 가능한 원통형의 복합재 허니콤 고압용기를 제공하는데 있다.The present invention has been made to solve the above-mentioned conventional problems, the object is to secure strength and sealing safety enough to withstand the pressure acting on the cylindrical composite high-pressure container, and has a lightweight structure While maintaining a high capacity, high-speed filling cylindrical composite honeycomb high pressure vessel to provide.

또한, 강재두께를 증가시켜 강도안전성을 확보하기보다 원통형 허니콤 고압용기의 내경측에는 방사형의 지지판을 형성하고, 원통형의 내부용기와 외부용기 사이에는 축방향으로 허니콤 형상의 삼각채널 또는 사각채널을 일체형의 이중용기 형상으로 압출성형하고, 허니콤 원형몸통의 양 끝단에는 나사를 형성하여 반구형캡과 체결하고, 추가적으로 용접을 실시한 허니콤 원형몸통과 반구형캡의 외주면 평행부를 따라서 고탄성 복합소재로 후프방향의 적층이 형성되도록 감아줌으로써 강도와 기밀성을 확보하고, 반구형캡의 외곽측 가장자리 전면에는 유입파이프와 유출파이프를 각각 체결하여 외부의 저온공기나 에어컨의 냉매체가 허니콤 원형몸통에 형성된 삼각채널 또는 사각채널을 통과하는 과정에 열교환 작용에 의해 저장된 압축가스의 온도와 압력을 떨어뜨려 복합재 허니콤 고압용기의 충전시간을 단축하고, 강도 및 밀봉 안전성을 추가적으로 제공하는데 그 목적이 있다.Also, rather than increasing the steel thickness to secure strength safety, a radial support plate is formed on the inner diameter side of the cylindrical honeycomb high pressure vessel, and a honeycomb triangular channel or a square channel is formed in the axial direction between the cylindrical inner vessel and the outer vessel. Extruded into the shape of an integrated double container, and formed on both ends of the honeycomb circular body by fastening it with the hemispherical cap, and additionally welded high-composite composite material along the parallel part of the outer circumferential surface of the honeycomb circular body and the hemispherical cap. The strength and airtightness are ensured by winding the stack to form a triangle, and the inlet and outlet pipes are fastened to the outer edges of the hemispherical cap, respectively, so that the external low-temperature air or the refrigerant body of the air conditioner is formed in a honeycomb circular body or a square channel. The temperature of the compressed gas stored by heat exchange during the passage through the channel The purpose is to reduce the filling time of the composite honeycomb high-pressure container by reducing the pressure and pressure, and to provide additional strength and sealing safety.

이러한 본 발명의 목적을 달성하기 위하여, 압축가스를 저장하는 복합재 고압용기의 내경부에는 다수개의 지지판을 방사형으로 성형한 내부용기와 동심원으로 형성된 외부용기 사이에는 축방향의 삼각채널이나 사각채널을 일체형으로 압출성형하고, 허니콤 원형몸통의 양단에 형성된 나사에 한 쌍의 반구형캡으로 체결하거나, 추가적인 용접에 의해 접합한 허니콤 원형몸통과 반구형캡의 외주면 평행부를 따라서 탄소섬유나 유리섬유와 같은 고탄성선재를 사용하여 후프방향의 적층이 형성되도록 감아줌으로써 고용량의 경량구조에 강도안전성과 밀봉안전성을 크게 향상시킨 것을 특징으로 한다.In order to achieve the object of the present invention, a triangular channel or a square channel in the axial direction is integrally formed between an inner container formed by radially forming a plurality of support plates and an outer container formed by concentric circles. High elasticity, such as carbon fiber or glass fiber, along the outer circumference of the honeycomb circular body and the hemispherical cap, which are extruded and fastened with a pair of hemispherical caps to the screws formed at both ends of the honeycomb circular body. By using a wire rod to be laminated in the hoop direction is characterized in that the high strength and light weight structure greatly improved the strength safety and sealing safety.

또한, 허니콤 원형몸통의 양단을 나사 또는 용접으로 체결한 반구형캡의 중심부에는 개폐밸브를 설치하고, 외곽측의 가장자리 전면에는 유입파이프와 유출파이프를 각각 체결하여 외부에서 유입된 저온공기나 냉매체가 허니콤 원형몸통에 축방향으로 길게 형성된 삼각채널 또는 사각채널을 통과하면서 열교환 작용에 의해 내부용기에 저장된 압축가스의 온도와 압력을 떨어뜨려 저장용량은 증가시키고, 충전시간을 단축하면서 강도안전성과 밀봉안전성을 크게 높이고, 나사체결과 용접접합을 함께 사용함으로 인해 내구성을 높인 것을 특징으로 한다.In addition, a shut-off valve is installed at the center of the hemispherical cap, in which both ends of the honeycomb circular body are screwed or welded, and the inlet pipe and the outlet pipe are fastened to the outside of the outer edge of the honeycomb circular body, respectively. Heat transfer effect reduces the temperature and pressure of the compressed gas stored in the inner container while passing through the triangular or square channel formed in the honeycomb circular body in the axial direction, increasing the storage capacity and shortening the filling time, The safety is greatly increased, and the durability is increased by using a screw body and a weld joint together.

본 발명은 복합재 고압용기의 내경부에는 다수개의 방사형 지지판을 일체형으로 성형한 내부용기와 동심원의 외부용기 사이에 다수개의 삼각채널 또는 사각채널을 일체형으로 압출성형한 이중용기 형상의 허니콤 원통용기 양단에 형성된 나사부에 반구형캡을 체결하거나, 추가적으로 용접한 허니콤 고압용기와 반구형캠의 외주면 평행부를 따라서 탄소섬유나 유리섬유와 같은 고탄성선재를 사용하여 후프방향의 적층이 형성되도록 감아줌으로써 고용량의 경량구조에 강도안전성과 밀봉안전성을 크게 향상시킨 효과를 기대할 수 있다.The present invention is an inner diameter of the composite high-pressure container, both ends of a double container-shaped honeycomb cylindrical container in which a plurality of triangular channels or square channels are extruded integrally between an inner container formed of a plurality of radial support plates and an outer container of concentric circles. High capacity and light weight structure by fastening the hemispherical cap to the thread formed in the coil or by using a highly elastic wire rod such as carbon fiber or glass fiber along the outer parallel surface of the honeycomb high pressure vessel and the hemispherical cam to be welded. The effect of greatly improving the strength safety and sealing safety can be expected.

또한, 반구형캡의 중심부에는 개폐밸브를 체결하여 압축가스의 유출입을 보장하고, 반구형캡의 외곽측 가장자리 전면에는 유입파이프와 유출파이프를 각각 체결하여 외부에서 유입되는 저온공기나 냉매체를 허니콤 원형몸통의 축방향 채널을 통과시킴으로 인해 발생하는 열교환 작용에 의해 내부용기에 저장된 고압가스의 온도와 압력을 떨어뜨려 고압·고속충전에 의한 충전시간을 단축하고, 복합재 허니콤 고압용기의 강도안전성과 밀봉안전성을 획기적으로 향상시키는 효과를 기대할 수 있다.In addition, the opening and closing valve is secured to the center of the hemispherical cap to guarantee the inflow and outflow of compressed gas, and the inlet and outlet pipes are respectively fastened to the outside of the outer edge of the hemispherical cap to form a low temperature air or refrigerant body. The heat exchange effect generated by passing through the axial channel of the body reduces the temperature and pressure of the high-pressure gas stored in the inner container to shorten the charging time by high-pressure and high-speed charging, and the strength and safety and strength of the composite honeycomb high-pressure container The effect of dramatically improving safety can be expected.

또한, 내부용기와 외부용기, 축방향의 채널 및 지지판을 하나의 몸체로 압출성형한 허니콤 원형몸통은 강도안전성을 높였음에도 저장용량 대비 중량은 상대적으로 줄어드는 효과가 있다.In addition, the honeycomb circular body extruded by the inner container and the outer container, the axial channel and the support plate as a single body has the effect of reducing the weight relative to the storage capacity even though the strength and safety.

도 1은 종래의 복합재 고압용기에 대한 단면도.
도 2는 본 발명의 복합재 허니콤 고압용기를 나타낸 단면도.
도 3은 본 발명의 제1 실시예를 나타낸 허니콤 복합재 고압용기의 단면도.
도 4는 본 발명의 제2 실시예를 나타낸 노즐형 허니콤 복합재 고압용기의 단면도.
도 5는 본 발명의 제3 실시예를 나타낸 노즐형 허니콤 복합재 고압용기의 단면도.
1 is a cross-sectional view of a conventional composite high pressure container.
Figure 2 is a cross-sectional view showing a composite honeycomb high pressure vessel of the present invention.
Figure 3 is a cross-sectional view of the honeycomb composite high pressure vessel showing a first embodiment of the present invention.
Figure 4 is a cross-sectional view of a nozzle-type honeycomb composite high pressure container showing a second embodiment of the present invention.
Figure 5 is a cross-sectional view of a nozzle-type honeycomb composite high pressure container showing a third embodiment of the present invention.

이하, 첨부된 도면을 참조로 하여 본 발명의 구성을 실시예에 따라 상세히 설명하면 다음과 같다.Hereinafter, the configuration of the present invention in detail with reference to the accompanying drawings as follows.

도 1에 도시된 것과 같이, 기존의 복합재 고압용기는 강재를 사용하여 실린더 원통형상의 강재몸통(10)을 일체형으로 형성하고, 상기 강재몸통(10)의 한쪽 끝단은 밀폐되고, 다른 쪽 끝단은 돔(11)과 노즐형상의 돌출탭(12)을 형성하여 고압가스의 입출입을 담당하는 밸브(13)를 설치한다. As shown in Figure 1, the conventional composite high-pressure container is formed of a cylindrical cylindrical steel body 10 using a steel integrally, one end of the steel body 10 is sealed, the other end is a dome (11) and a nozzle-shaped protruding tab 12 are formed to provide a valve 13 for inlet and outlet of the high pressure gas.

또한, 상기 강재몸통(10)의 외벽면 평행부에는 탄소섬유, 유리섬유 등과 같은 고탄성선재(14)를 후프방향으로 안정되게 감아 적층의 원통형 복합재 고압용기를 형성한다.In addition, parallel to the outer wall surface of the steel body 10, the high-elastic wire 14, such as carbon fiber, glass fiber, etc. is wound in a stable hoop direction to form a laminated cylindrical composite high pressure vessel.

도 2는 본 발명에 의해 복합재 허니콤 고압용기를 나타낸 단면도로, 이에 도시된 바와 같이 본 발명은 원통형의 외부용기(20)와 내부용기(21) 사이에 축방향을 따라서 다수개의 삼각채널(22) 또는 사각채널(23)을 일체형으로 길게 압출성형하고, 상기 내부용기(21)의 축방향을 따라서 다수개의 방사형 지지판(24,24')을 일체형으로 성형한 허니콤 원형몸통(25)을 형성하고, 상기 허니콤 원형몸통(25)의 양쪽 끝단에서 외부용기(20)의 외경측면에는 수나사(26)를 형성하여 반구형상으로 성형한 반구형캡(27,27')의 외곽측 가장자리에 형성된 ㄷ형상의 내경측 암나사(28)와 체결하고, 또한 내부용기(21)의 내경측면에는 암나사(28)를 형성하여 반구형캡(27,27')의 외곽측 가장자리에 형성된 ㄷ형상의 외경측 수나사(26)와 체결한 이중고압용기 형상으로 체결안전성과 강도안전성, 밀봉안전성을 함께 확보하고, Figure 2 is a cross-sectional view showing a composite honeycomb high-pressure container according to the present invention, as shown in the present invention is a plurality of triangular channels 22 along the axial direction between the cylindrical outer container 20 and the inner container 21. Or honeycomb circular body 25 formed by integrally extruding the square channel 23 integrally and integrally molding a plurality of radial support plates 24 and 24 'along the axial direction of the inner container 21. The outer diameter side of the outer container 20 is formed at the outer edges of the hemispherical caps 27 and 27 'formed on the outer diameter side of the outer container 20 at both ends of the honeycomb circular body 25 and formed into a hemispherical shape. C-shaped outer diameter male thread (28) formed on the outer edge of the hemispherical caps (27, 27 ') by fastening with the inner diameter female thread (28) of the shape and forming an internal thread (28) on the inner diameter side of the inner container (21). Fastening safety and strength safety due to the double high pressure container shape To ensure safety and sealing safety

또한, 상기 반구형캡(27)의 중심부에 돌출되게 형성된 암나사(28)에는 안전밸브(29)가 내장된 개폐밸브(30)를 체결하여 압축가스의 유입과 유출을 보장하고, In addition, the female screw 28 protruding from the central portion of the hemispherical cap 27 is fastened to the inlet and outlet of the compressed gas by fastening the on / off valve 30 in which the safety valve 29 is embedded.

또한, 상기 반구형캡(27,27')의 외곽측 가장자리 전면에 형성된 암나사(28,28')에는 유입파이프(31)와 유출파이프(32)를 각각 체결하고, 외부에서 유입된 저온공기나 에어컨의 냉매체는 상기 허니콤 원형몸통(25)의 상단부와 반구형캡(27)의 내부공간에 의해 형성된 환형홈(33)으로 유입된 후 삼각채널(22) 또는 사각채널(23)을 거쳐 하단부의 환형홈(33')을 통과하여 유출파이프(32)로 빠져나가는 과정에 열교환 작용에 의해 압축가스의 온도와 압력을 떨어뜨려 충전시간을 크게 단축하고, 강도안전성과 밀봉안전성을 추가로 확보하며,In addition, the inlet pipe 31 and the outlet pipe 32 are fastened to the female threads 28 and 28 'formed on the outer edges of the hemispherical caps 27 and 27', respectively, and the low temperature air or the air conditioner introduced from the outside. Coolant is introduced into the annular groove (33) formed by the upper end of the honeycomb circular body 25 and the inner space of the hemispherical cap (27) and then through the triangular channel (22) or the square channel (23) In the process of exiting the outflow pipe 32 through the annular groove 33 ', the temperature and pressure of the compressed gas are dropped by heat exchange, thereby greatly reducing the filling time, and additionally securing strength safety and sealing safety.

또한, 상기 허니콤 원형몸통(25)과 반구형캡(27,27')에서 외곽측에 형성된 ㄷ형상의 외주면 평행부를 따라서 탄소섬유나 유리섬유와 같은 고탄성선재(14)를 후프방향으로 적층이 형성되도록 촘촘하게 감아줌으로써 경량구조에 강도안전상이 향상되고, 고압가스의 고속충전이 가능해지고, 저장용량을 크게 높인 원통형의 복합재 허니콤 고압용기가 형성된다.In addition, the honeycomb circular body 25 and the hemispherical caps 27 and 27 'are laminated with a high elastic wire 14 such as carbon fiber or glass fiber 14 along the c-shaped outer peripheral surface parallel part formed on the outer side in the hoop direction. By winding as tightly as possible, the strength and safety of the lightweight structure is improved, high-speed filling of high-pressure gas is possible, and a cylindrical composite honeycomb high-pressure container having a greatly increased storage capacity is formed.

도 3은 본 발명의 제1 실시예를 나타낸 복합재 허니콤 고압용기의 단면도이다. 여기서 특징은 고탄성선재(14), 삼각채널(22), 사각채널(23), 지지판(24,24'), 허니콤 원형몸통(25), 반구형캡(27,27'), 개폐밸브(30), 유입파이프(31), 유출파이프(32)로 구성된 부분은 도 2와 같고, 상기 허니콤 원형몸통(25)의 양쪽을 구성하는 외부용기(20)와 내부용기(21)의 끝단을 반구형캡(27,27')의 외곽측 가장자리에 형성된 L형상의 외경측과 내경측 양 끝단에 각각 맞대고 원주면을 따라서 순차적으로 용접하여 내측용접선(34,34')과 외측용접선(35,35')을 갖는 허니콤 원형몸통(25)의 이중고압용기를 형성하고,3 is a cross-sectional view of a composite honeycomb high pressure vessel showing a first embodiment of the present invention. Here, the characteristics are high elastic wire 14, triangular channel 22, square channel 23, support plates 24, 24 ', honeycomb round body 25, hemispherical cap 27, 27', opening and closing valve 30 2, the inlet pipe 31, the outlet pipe 32 is composed of a part as shown in Figure 2, the ends of the outer container 20 and the inner container 21 constituting both of the honeycomb circular body 25 hemispherical Inner welding lines 34 and 34 'and outer welding lines 35 and 35' are formed by abutting the L-shaped outer and inner diameter ends formed at the outer edges of the caps 27 and 27 ', respectively, and sequentially welding them along the circumferential surface. Form a double high pressure vessel of the honeycomb circular body 25 having

또한, 상기 허니콤 원형몸통(25)과 반구형캡(27,27')에서 외곽측에 형성된 L형상의 외주면 평행부를 따라서 탄소섬유나 유리섬유와 같은 고탄성선재(14)를 후프방향으로 적층이 형성되도록 촘촘히 감아줌으로써 경량구조에 강도안전상이 향상되고, 고압가스의 고속충전과 저장용량을 크게 높인 원통형의 복합재 허니콤 고압용기가 형성된다.In addition, the honeycomb circular body 25 and the hemispherical caps 27 and 27 'are laminated with high elastic wires 14 such as carbon fibers or glass fibers along the L-shaped outer circumferential parallel portions formed on the outer side in the hoop direction. By winding as tightly as possible, the strength and safety of the lightweight structure is improved, and a composite composite honeycomb high-pressure container with high-speed filling and storage capacity of high-pressure gas is greatly formed.

도 4는 본 발명의 제2 실시예를 나타낸 노즐형 복합재 허니콤 고압용기의 단면도이다. 여기서 특징은 고탄성선재(14), 삼각채널(22), 사각채널(23), 지지판(24,24'), 허니콤 원형몸통(25), 반구형캡(27,27), 개폐밸브(30), 유입파이프(31), 유출파이프(32)로 구성된 부분은 도 2와 같고, 상기 허니콤 원형몸통(25)의 양쪽 끝단을 구성하는 외부용기(20)와 내부용기(21)의 양단 단면적이 줄어든 노즐형상의 돔(11,11')을 형성하고, 상기 돔(11,11')의 외경측면과 내경측면에 각각 형성된 수나사(26)와 암나사(28)에 소형의 반구형캡(27,27')에 형성된 나사로 체결하고, 상기 돔(11,11')의 외경측면과 접촉하는 반구형캡(27,27')의 최외곽측 끝단을 용접하여 외측용접선(35,35')을 갖는 허니콤 원형몸통(25)의 이중고압용기를 형성하고,Figure 4 is a cross-sectional view of a nozzle-type composite honeycomb high pressure vessel showing a second embodiment of the present invention. Here, the features are high elastic wire 14, triangular channel 22, square channel 23, support plates 24, 24 ', honeycomb round body 25, hemispherical caps (27, 27), opening and closing valve 30 2, the inlet pipe 31 and the outlet pipe 32 are formed as shown in FIG. 2, and both end surfaces of the outer container 20 and the inner container 21 constituting both ends of the honeycomb circular body 25 are cross-sectional areas. Small hemispherical caps 27 and 27 are formed on male threads 26 and female threads 28 formed on the outer diameter side and the inner diameter side of the dome 11 and 11 ', respectively, with reduced nozzle-shaped domes 11 and 11'. Honeycomb having an outer welding line 35, 35 'by fastening with a screw formed on the') and welding the outermost ends of the hemispherical caps 27, 27 'contacting the outer diameter side surfaces of the domes 11, 11'. Form a double high pressure vessel of the circular body (25),

또한, 상기 허니콤 원형몸통(25)의 외주면 평행부를 따라서 탄소섬유나 유리섬유와 같은 고탄성선재(14)를 후프방향으로 적층이 형성되도록 촘촘히 감아줌으로써 경량구조에 강도안전상이 향상되고, 고압가스의 고속충전과 저장용량을 크게 높인 원통형상의 노즐형 복합재 허니콤 고압용기가 형성된다.In addition, the high-strength wire 14, such as carbon fiber or glass fiber, is closely wound so that a stack is formed in the hoop direction along the outer circumferential surface parallel portion of the honeycomb circular body 25, thereby improving the strength and safety of the lightweight structure, Cylindrical nozzle-type composite honeycomb high-pressure container with high charging and high storage capacity is formed.

도 5는 본 발명의 제3 실시예를 나타낸 노즐형 복합재 허니콤 고압용기의 단면도이다. 여기서 특징은 고탄성선재(14), 삼각채널(22), 사각채널(23), 지지판(24,24'), 허니콤 원형몸통(25), 반구형캡(27), 개폐밸브(30), 유입파이프(31), 유출파이프(32)로 구성된 부분은 도 2와 같고, 상기 허니콤 원형몸통(25)의 한쪽을 밀폐하고, 다른 쪽은 외부용기(20)와 내부용기(21)의 끝단 단면적이 줄어든 노즐형상의 돔(11)을 형성하고, 상기 돔(11)의 외경측면과 내경측면에 각각 형성된 수나사(26)와 암나사(28)에 소형의 반구형캡(27)에 형성된 나사로 체결하고, 상기 돔(11)의 외경측면에 접촉하는 반구형캡(27)의 최외곽 끝단을 용접하여 외측용접선(35)을 갖는 허니콤 원형몸통(25)의 이중고압용기를 형성하고,Figure 5 is a cross-sectional view of a nozzle-type composite honeycomb high pressure vessel showing a third embodiment of the present invention. The features here are high elastic wire 14, triangular channel 22, square channel 23, support plates 24, 24 ', honeycomb round body 25, hemispherical cap 27, opening and closing valve 30, inflow A portion composed of the pipe 31 and the outflow pipe 32 is the same as that of FIG. 2, and seals one side of the honeycomb circular body 25, and the other end surface area of the outer container 20 and the inner container 21. This reduced nozzle-shaped dome 11 is formed, and fastened with a screw formed on the small hemispherical cap 27 to the male screw 26 and the female screw 28 formed on the outer diameter side and the inner diameter side of the dome 11, respectively. By welding the outermost end of the hemispherical cap 27 in contact with the outer diameter side of the dome 11 to form a double high-pressure vessel of the honeycomb circular body 25 having an outer welding line 35,

또한, 상기 반구형캡(27)의 중심부에 부착된 개폐밸브(30)에 의해 압축가스의 유입과 유출이 이루어지고, 상기 허니콤 원형몸통(25)의 상단부와 반구형캡(27)의 내부공간 사이에 한 쌍의 분리단(36,36')을 형성하여 조성된 환형홈(33,33') 공간을 경계로 유입과 유출의 두 개 구역으로 분할함으로써 반구형캡(27)의 가장자리 한쪽에 부착된 유입파이프(31)를 통해 외부의 저온공기나 냉매체가 유입되어 허니콤 원형몸통(25)의 삼각채널(22) 또는 사각채널(23)을 쭉 통과하여 한 바퀴를 돌은 다음 다른 쪽에 설치된 유출파이프(32)를 통해 외부로 유출하는 과정에 발생하는 열교환 작용에 의해 압축가스의 온도와 압력을 떨어뜨려 노즐형 복합재 허니콤 고압용기의 강도안전성과 작동안전성을 추가적으로 확보한 구조이다.In addition, the inlet and outlet of the compressed gas is made by the on / off valve 30 attached to the center of the hemispherical cap 27, and between the upper end of the honeycomb circular body 25 and the inner space of the hemispherical cap 27. It is attached to one side of the hemispherical cap 27 by dividing the annular grooves 33 and 33 'space formed by forming a pair of separating ends 36 and 36' into two zones, inflow and outflow at the boundary. Low temperature air or coolant flows in through the inflow pipe 31 and passes through the triangular channel 22 or the square channel 23 of the honeycomb circular body 25 all the way round and then the outflow pipe installed on the other side. The temperature and pressure of the compressed gas are dropped by heat exchange in the process of outflow to the outside through (32) to further secure the strength and operation safety of the nozzle-type composite honeycomb high pressure vessel.

또한, 상기 허니콤 원형몸통(25)의 외주면 평행부를 따라서 탄소섬유나 유리섬유와 같은 고탄성선재(14)를 후프방향으로 적층이 형성되도록 촘촘히 감아줌으로써 경량구조에 강도안전상이 향상되고, 초고압가스의 고속충전과 저장용량을 크게 높인 원통형상의 노즐형 복합재 허니콤 고압용기가 형성된다.In addition, by closely wrapping the highly elastic wire 14, such as carbon fiber or glass fiber, to be laminated in the hoop direction along the outer circumferential surface parallel portion of the honeycomb circular body 25, the strength and safety of the lightweight structure is improved, and the ultra high pressure gas Cylindrical nozzle-type composite honeycomb high-pressure container with high charging and high storage capacity is formed.

본 발명에 있어서, 내부용기와 외부용기 사이를 연결하는 채널구조의 형상과 개수, 지지판의 형상과 개수, 반구형캡을 체결하는 나사방식이나 용접방식, 유입파이프와 유출파이프의 설치위치와 개수는 복합재 허니콤 고압용기의 설계방식에 따라 다양하게 변경될 수 있다.In the present invention, the shape and number of the channel structure connecting between the inner container and the outer container, the shape and number of the support plate, the screw or welding method for fastening the hemispherical cap, the installation position and the number of the inlet pipe and the outlet pipe are composite materials It can be variously changed according to the design method of the honeycomb high pressure vessel.

이상에서 설명한 본 발명은 도시되고 설명된 그대로의 구성 및 작용으로 한정되는 것이 아니다. 즉, 본 발명은 기재된 특허청구 범위의 사상 및 범위 내에서 다양한 변경 및 수정이 가능하다.The present invention described above is not limited to the structure and operation as shown and described. In other words, the present invention is susceptible to various changes and modifications within the spirit and scope of the appended claims.

10 : 강재몸통 11,11' : 돔
12 : 돌출탭 13 : 밸브
14 : 고탄성선재 20 : 외부용기
21 : 내부용기 22 : 삼각채널
23 : 사각채널 24,24' : 지지판
25 : 허니콤 원형몸통 26 : 수나사
27,27' : 반구형캡 28,28' : 암나사
29 : 안전밸브 30 : 개폐밸브
31 : 유입파이프 32 : 유출파이프
33,33' : 환형홈 34,34' : 내측용접선
35,35' : 외측용접선 36,36' : 분리단
10: steel body 11,11 ': dome
12: protrusion tab 13: valve
14: high elastic wire 20: outer container
21: inner container 22: triangular channel
23: square channel 24, 24 ': support plate
25: honeycomb round body 26: male thread
27,27 ': Hemispherical cap 28,28': Female thread
29: safety valve 30: on-off valve
31: inflow pipe 32: outflow pipe
33,33 ': annular groove 34,34': inner weld line
35,35 ': Outer weld line 36,36': Separate end

Claims (4)

원통형의 외부용기(20)와 내부용기(21) 사이에 형성된 다수개의 삼각채널(22) 또는 사각채널(23)과, 내부용기(21)에 다수개의 방사형 지지판(24,24')을 축방향으로 일체형이 되도록 허니콤 원형몸통(25)을 압출성형하고,
또한, 상기 외부용기(20)의 외경측면에 형성된 수나사(26)에는 반구형캡(27,27')의 최외곽측 내경측에 형성된 암나사(28), 상기 내부용기(21)의 내경측면에 형성된 암나사(28)에는 반구형캡(27,27')의 외곽측 외경측에 형성된 수나사(26)를 각각 체결하여 원통형 허니콤 고압용기를 형성하고,
또한, 상기 반구형캡(27)의 중심부에 돌출되게 형성된 암나사(28)에 개폐밸브(30)를 체결하고,
또한, 상기 반구형캡(27)의 외곽측 가장자리 전면에 형성된 암나사(28)에 체결된 유입파이프(31)를 통해 유입된 냉매체가 허니콤 원형몸통(25)의 상단부와 반구형캡(27)의 내부공간 사이에 형성된 환형홈(33)을 거쳐 삼각채널(22) 또는 사각채널(23)을 쭉 지나서 환형홈(33’)과 유출파이프(32)로 빠져나가도록 형성하고,
또한, 상기 허니콤 원형몸통(25)과 반구형캡(27,27')의 외주면 평행부를 따라서 고탄성선재(14)를 후프방향으로 감아서 적층이 형성된 것을 특징으로 한 복합재 허니콤 고압용기.
A plurality of triangular channels 22 or square channels 23 formed between the cylindrical outer container 20 and the inner container 21, and a plurality of radial support plates 24, 24 'in the inner container 21 in the axial direction Extruded honeycomb round body (25) to be integral with
In addition, the male screw 26 formed on the outer diameter side of the outer container 20 has a female screw 28 formed on the outermost inner diameter side of the hemispherical caps 27 and 27 ', and formed on the inner diameter side of the inner container 21. A female honeycomb 28 is fastened to a male screw 26 formed on the outer diameter side of the hemispherical caps 27 and 27 'to form a cylindrical honeycomb high pressure container.
In addition, the on-off valve 30 is fastened to the female screw 28 protruding from the center of the hemispherical cap 27,
In addition, the refrigerant body introduced through the inlet pipe 31 fastened to the female screw 28 formed on the outer edge of the hemispherical cap 27 is inside the upper end of the honeycomb circular body 25 and the hemispherical cap 27. After passing through the annular groove (33) formed between the space passing through the triangular channel 22 or the square channel 23 through the annular groove (33 ') and the outlet pipe 32,
In addition, the composite honeycomb high-pressure container, characterized in that the stack is formed by winding the high-elastic wire 14 in the hoop direction along the outer peripheral surface parallel portion of the honeycomb circular body 25 and the hemispherical cap (27, 27 ').
제1항에 있어서,
상기 허니콤 원형몸통(25)의 양쪽을 구성하는 외부용기(20)와 내부용기(21)의 끝단을 반구형캡(27,27')의 외곽측 가장자리에 형성된 L형상의 외경측과 내경측 양 끝단에 각각 맞대고 순차적으로 용접하여 형성된 내측용접선(34,34')과 외측용접선(35,35')을 포함한 이중용기 형상의 원주면 평행부에 고탄성선재(14)를 후프방향으로 적층이 형성되도록 감은 것을 특징으로 한 복합재 허니콤 고압용기.
The method of claim 1,
L-shaped outer diameter side and inner diameter side ends of the outer container 20 and the inner container 21 constituting both sides of the honeycomb circular body 25 formed on the outer edges of the hemispherical caps 27 and 27 '. The high elastic wire 14 is laminated in the hoop direction in parallel to the circumferential surface of the double vessel shape including the inner welding lines 34 and 34 'and the outer welding lines 35 and 35' formed by butt welding to the ends, respectively. Composite honeycomb high-pressure container, characterized in that wound.
제1항에 있어서,
상기 허니콤 원형몸통(25)을 구성하는 외부용기(20)와 내부용기(21)의 양쪽 끝단을 노즐형상으로 줄여서 일체형으로 형성된 돔(11,11')의 외경측면과 내경측면에 수나사(26)와 암나사(28)를 각각 형성하고, 이들 나사에 소형의 반구형캡(27,27')에 형성된 암나사(28)와 수나사(26)를 각각 체결되고, 추가적으로 돔(11,11')의 외경측면에 접촉하는 반구형캡(27,27')의 최외곽측 끝단을 용접한 이중용기 형상의 원주면 평행부에 고탄성선재(14)를 후프방향으로 적층이 형성되도록 감은 것을 특징으로 한 복합재 허니콤 고압용기.
The method of claim 1,
Both ends of the outer container 20 and the inner container 21 constituting the honeycomb circular body 25 are reduced in the shape of a nozzle to the outer diameter side and the inner diameter side of the dome 11 and 11 'formed integrally. ) And female threads 28, respectively, and the female threads 28 and male threads 26 formed on the small hemispherical caps 27 and 27 ′ are fastened to these screws, respectively, and additionally the outer diameters of the dome 11 and 11 ′. Composite honeycomb, characterized in that the highly elastic wire 14 is wound to form a hoop in the hoop direction at a parallel portion of a circumferential surface of a double vessel shape in which the outermost ends of the hemispherical caps 27 and 27 'contacting the side are welded. High pressure vessel.
제3항에 있어서,
상기 허니콤 원형몸통(25)의 한쪽은 밀폐하고, 다른 쪽은 외부용기(20)와 내부용기(21)의 끝단을 노즐형상으로 줄여서 일체형으로 형성된 돔(11)의 외경측면과 내경측면에 수나사(26)와 암나사(28)를 각각 형성하고, 이들 나사에 소형의 반구형캡(27)에 형성된 암나사(28)와 수나사(26)에 의해 각각 체결되고, 추가로 돔(11)의 외경측면에 접촉하는 반구형캡(27)의 최외곽측 끝단을 용접한 이중용기 형상의 원주면 평행부에 고탄성선재(14)를 후프방향으로 적층이 형성되도록 감고,
또한, 상기 허니콤 원형몸통(25)의 상단부와 반구형캡(28)의 내부공간 사이에 형성된 한 쌍의 분리단(36,36')에 의해 두 개의 구역으로 분리된 환형홈(33,33')을 형성하고, 상기 유입파이프(31)를 통해 유입된 냉매체가 허니콤 원형몸통(25)의 각형채널(22) 또는 환형채널(23)을 쭉 통과한 후 다른 쪽 유출파이프(32)를 통해 유출하는 것을 특징으로 한 복합재 허니콤 고압용기.
The method of claim 3,
One side of the honeycomb circular body 25 is sealed, and the other side is a male screw on the outer diameter side and the inner diameter side of the dome 11 formed integrally by reducing the ends of the outer container 20 and the inner container 21 into a nozzle shape. (26) and female threads (28) are formed, respectively, and these screws are fastened respectively by female threads (28) and male threads (26) formed in the small hemispherical cap (27), and further on the outer diameter side of the dome (11). The highly elastic wire 14 is wound around the circumferential surface of a double vessel shape welded to the outermost end of the hemispherical cap 27 in contact so that a stack is formed in the hoop direction.
In addition, the annular grooves 33 and 33 'are divided into two sections by a pair of separation ends 36 and 36' formed between the upper end of the honeycomb circular body 25 and the inner space of the hemispherical cap 28. ) And the refrigerant body introduced through the inlet pipe 31 passes through the square channel 22 or the annular channel 23 of the honeycomb circular body 25 through the other outlet pipe 32. Composite honeycomb high pressure vessel, characterized in that the outflow.
KR1020110087516A 2011-08-31 2011-08-31 Composite honeycomb high-pressure vessel KR20130024214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110087516A KR20130024214A (en) 2011-08-31 2011-08-31 Composite honeycomb high-pressure vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110087516A KR20130024214A (en) 2011-08-31 2011-08-31 Composite honeycomb high-pressure vessel

Publications (1)

Publication Number Publication Date
KR20130024214A true KR20130024214A (en) 2013-03-08

Family

ID=48176323

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110087516A KR20130024214A (en) 2011-08-31 2011-08-31 Composite honeycomb high-pressure vessel

Country Status (1)

Country Link
KR (1) KR20130024214A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102432466B1 (en) * 2021-08-19 2022-08-19 주식회사 대흥정공 Liner assembly for pressure vessel made of composite and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102432466B1 (en) * 2021-08-19 2022-08-19 주식회사 대흥정공 Liner assembly for pressure vessel made of composite and manufacturing method thereof

Similar Documents

Publication Publication Date Title
CN106838602B (en) Metal bottle mouth structure and LPG gas cylinder
US9151447B2 (en) Liner for a pressure vessel and method
KR102484769B1 (en) Pole cap with pressure port element for pressure vessels
US20190162365A1 (en) Pressure vessel equipped with permeated gas discharging structure
US8235243B2 (en) Tank for high pressure fluids
CN108131554B (en) Sealing device for plastic liner of high-pressure composite container
JP2013177977A (en) Method for manufacturing inner liner for storage tank
CN202024074U (en) Gas bottle with plastic internal container being fully wrapped
CN107573977B (en) Liquefied natural gas recondenser
US20220325851A1 (en) Pressure vessel
CN112762356A (en) Sealing structure suitable for high-pressure plastic liner carbon fiber fully-wound gas cylinder and application
CN114935104A (en) Ultrathin carbon fiber fully-wound plastic liner high-pressure hydrogen storage cylinder and manufacturing method thereof
KR20130024216A (en) Composite honeycomb super high-pressure vessel
CN111188995B (en) Multi-stage high-pressure hydrogen storage container and hydrogen storage method
CN115585385A (en) High-pressure storage and transportation bottle valve seat and high-pressure storage and transportation bottle
CN210891024U (en) Low-temperature storage and transportation container
KR20130024214A (en) Composite honeycomb high-pressure vessel
JP2005273724A (en) Pressure vessel
CN212745962U (en) Inward turning type high hydrogen resistant plastic-metal end socket structure
CN206514057U (en) A kind of metal bottleneck structure and LPG gas cylinders
CN115949879B (en) Plastic liner fiber fully-wound gas cylinder
KR20130007698A (en) Cylindrical honeycomb high-pressure vessel
CN111750264A (en) Inward turning type high hydrogen resistant plastic-metal end socket structure
KR20130007699A (en) Wavy honeycomb high-pressure vessel
CN203836425U (en) Quick connecting ball valve

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application