JP3583439B2 - Discharge and filling equipment for gas cylinders - Google Patents

Discharge and filling equipment for gas cylinders Download PDF

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JP3583439B2
JP3583439B2 JP51659096A JP51659096A JP3583439B2 JP 3583439 B2 JP3583439 B2 JP 3583439B2 JP 51659096 A JP51659096 A JP 51659096A JP 51659096 A JP51659096 A JP 51659096A JP 3583439 B2 JP3583439 B2 JP 3583439B2
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discharge
filling
valve
pressure regulator
control valve
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JPH10510350A (en
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トムセット，アラン・クライブ
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シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー
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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
    • 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
    • F17C2205/0311—Closure means
    • F17C2205/0317—Closure means fusing or melting
    • 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
    • F17C2205/0329—Valves manually actuated
    • 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
    • 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
    • F17C2205/0335—Check-valves or non-return 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
    • 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
    • F17C2205/0338—Pressure regulators
    • 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
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, e.g. LPG, GPL
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • 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
    • F17C2270/07—Applications for household use
    • F17C2270/0745—Gas bottles

Description

本発明は、高圧ガス保存用のガスボンベに使用する排出および充填装置に関する。ガス保存用ボンベを、ボトルと称する場合がある。高圧で保存されるガスは、周囲温度で一部が液化している場合が多い。このようなボンベ、すなわちボトルに保存するのに適したガスの一例として、石油ガス（petroleum gas）がある。
高圧ガスの保存用ボンベに使用する従来の排出および充填装置は、エルボ（elbow）形のハウジングを備え、このハウジングには、充填端部と、ボンベのボスにハウジングを接続する接続手段を備えたコネクタ端部と、充填端部からコネクタ端部まで延びるオープンエンドの流路と、流路を介して液体を流したり止めたりする手動弁とが設けられている。
充填端部には、ネジが設けられており、このネジに充填ノズルまたは圧力調整器を接続することができる。圧力調整器には、ハウジングの充填端部に接続できる流入端部と、ある器具を接続する流出端部とが設けられている。従来の排出および充填装置を設けたボンベは、ハウジングの充填端部を介して充填し、同じ充填端部を介して排出をも行う。
ボンベに充填するために、ハウジングの充填端部に充填ノズルを接続する。手動弁を開くと、ボンベへの充填が行われる。充填が終了したら、弁を閉じ、充填ノズルを外す。
上記のようにして液化石油ガスで充填したガスボンベを使用すると、調理用器具または加熱用器具にガスを供給することができる。このような器具は、ホースなどのコンジットにより、当該器具に付属する圧力調整器の流出端部に接続する。器具にガスを供給するには、圧力調整器をハウジングの充填端部に接続して、弁を開く。器具へのガスの流れを遮断するには、弁を閉じる。
ボンベが空になった場合は、ハウジングの排出端部から圧力調整器を分離し、ボンベを充填済みのものと交換する。空のボンベは充填ステーションに戻し、充填を行う。ボンベに充填を行う前にボンベを点検することが、安全上きわめて望ましい。従来の排出および充填装置では、圧力調整器が器具に接続されたままになっている。
日本国特許明細書第63167199号では、高圧ガス保存用ボンベに使用する排出および充填装置について開示しており、この装置は、充填端部と、ボンベ内に固定され、流入開口部および流出開口部を設けたネックリングに環状ハウジングを接続する接続手段を有するコネクタ端部と、流出端部とを設けたハウジングを備え、さらにこのハウジングには、充填端部からコネクタ端部の流出開口部まで延びる充填流路と、コネクタ端部の流入開口部から流出端部まで延びる排出流路と、流入流路内に配設した流入制御弁と、排出流路内に配設した排出制御弁とが設けられている。
したがって、前記既知の装置は、ボンベの充填と排出を行う流路をそれぞれ別々に備えている。また、この装置では、流出端部に独立した圧力調整器を接続する必要がある。
従来の排出および充填装置の問題点として上げられるのは、圧力調整装置が器具と接続されたままになっているため、空のボンベとともに圧力調整器を返却することができず、したがって圧力調整器を点検できないということである。
ヨーロッパ特許明細書第393234号では、高圧ガス保存用ボンベに使用する新しい排出および充填装置について開示している。この装置は、環状ハウジングを備え、この環状ハウジングには、充填端部と、環状ハウジングをボンベのボスに接続する接続手段を備えたコネクタ端部と、充填端部からコネクタ端部に延びるオープンエンドの流路と、充填端部に近接してオープンエンドの流路内に配設したスプリング付逆流防止流入弁と、コネクタ端部に近接してオープンエンドの流路内に配設したスプリング付流量制御弁と、逆流防止流入弁の弁本体の動きを流量制御弁の弁本体に伝えるコネクタピンとが設けられている。
充填端部には、充填ノズルまたは圧力調整器を接続することができるフランジ（flange）が設けてあり、従来の排出および充填装置を設けたボンベに、環状ハウジングの充填端部を介して充填し、同じ充填端部を介して排出をも行うようになっている。
ボンベに充填を行うために、環状ハウジングの充填端部に充填ノズルを接続する。充填ノズルには、弁制御機構が設けてあり、この機構は環状ハウジング内の弁を開き、逆流防止流入弁の弁本体をスプリングの作用に抗してコネクタ端部の方向に押圧する。コネクタピンにより、弁本体の動きが流量制御弁の弁本体に伝達され、その結果流量制御弁も開く。これでボンベに充填を行うことができる。充填が終了したら、逆流防止流入弁および流量制御弁を閉じ、充填ノズルを取り外す。
前記のようにして液化石油ガスを充填したガスボンベを使用すると、調理用器具や加熱器具にガスを供給することができる。このような器具は、ホースなどのコンジットにより、当該器具に付属する圧力調整器の流出端部に接続する。器具にガスを供給するためには、環状ハウジングの充填端部に圧力調整器の流入端部を接続する。圧力調整器には、環状ハウジング内の弁を操作する手段が設けてあり、この手段は、アクチュエータおよび制御機構を備えている。前記制御機構は、圧力調整器の流入端部に滑動可能に配設したピンを含む。圧力調整器には、外側に向かって突出した流入端部がさらに設けてあり、この端部が環状ハウジングの充填端部から遠ざかる方向に逆流防止流入弁の弁本体を押圧する。圧力調整器にガスを流入させるには、アクチュエータを第１の位置から第２の位置に移動させる。この移動によって、ピンの端部が圧力調整器の流入端部から外に出る。ピンの動きにより、スプリングの作用に抗して逆流防止流入弁の弁本体が開位置に移動する。前記の移動は、コネクタピンを介して流量制御弁の弁本体に伝達され、その結果流量制御弁も開く。器具へのガスの流れを遮断するには、ピンが圧力調整器の流入端部内に後退する第１の位置に圧力調整器のアクチュエータを戻し、逆流防止流入弁と流量制御弁を閉じる。
ボンベが空になった場合、環状ハウジングの排出端部から圧力調整器を分離し、ボンベを充填済みのものと交換する。空のボンベは充填ステーションに戻し、充填を行う。ボンベに充填を行う前にボンベを点検することが、安全上きわめて望ましい。従来の排出および充填装置では、圧力調整器が器具に接続されたままになっている。
最新の装置にも、従来の装置と同様の問題点がある。
最新の排出および充填装置の別の問題点としてあげられるのは、環状ハウジングの流路内に弁が二つ配設してある点である。このように弁を二つ配設してあるのは、高圧ガスが誤って漏出する恐れを抑えるためである。ところが、流量制御弁が開いている場合でも、流量制御弁の存在自体が流体の流動を妨げることになり、ボンベの充填速度に悪影響を与える。
本発明の目的は、圧力調整器を一体にした排出および充填装置を提供することである。
前記目的を達成するために、高圧ガス保存用ボンベに使用する、本発明による排出および充填装置は、Ｔ字形状片と圧力調整器とを備え、Ｔ字形状片は、充填端部と、Ｔ字形状片をボンベのボスに接続する接続手段を有するコネクタ端部と、排出端部とを備え、またＴ字形状片は充填端部からコネクタ端部に延びるオープンエンドの主流路と、主流路から排出端部に延びるオープンエンドの排出流路とを含み、さらにＴ字形状片には、充填端部に近接して主流路内部に配設した逆流防止流入弁と、排出流路内に配設した排出制御弁とが設けてあり、圧力調整器には、流体が流れるようにＴ字形状片の排出端部と連通している流入端部と、任意の器具に接続する手段を設けた流出端部と、排出制御弁を操作する手段とが設けられている。
本発明の装置の利点は、主流路内に排出制御弁がないことである。また本発明の装置の別の利点は、ボンベを充填する場合には主流路のみを使用し、ボンベからの排出を行う場合には排出流路のみを使用するため、排出流路の直径を主流路の直径よりも小さくできることである。このように排出流路の直径が主流路の直径よりも小さいので、圧力調整器が偶発的にＴ字形状片から外れた場合、流体の流れを制御できなくなるようなことが少ない。
本発明による排出および充填装置の部分断面を示す添付図面を参照し、例示により本発明についてさらに詳しく述べる。
図を参照すると、本発明による排出および充填装置１は、高圧ガスを保存するボンベ２に配設されている。装置１は、Ｔ字形状片３および圧力調整器４を備えている。
ボンベ２は、上部カバー６、円筒形の側壁７、および底部カバー（図示せず）を備えている。上部カバー６にある開口部８には、ボス９が固定してある。
Ｔ字形状片３は、充填端部10と、Ｔ字形状片３とボンベ２のボス９とを接続するネジ状の接続手段12を備えたコネクタ端部11と、排出端部13とを備えている。Ｔ字形状片３は、充填端部10からコネクタ端部11まで延びるオープンエンドの主流路15と、主流路15から排出端部13まで延びるオープンエンドの排出流路16とを含む。主流路15内部には、充填端部10の近くに逆流防止流入弁20が配設してあり、排出流路16内部には、排出端部13の近くに排出制御弁22が配設してある。排出流路16は、弁本体23の底部とコネクタ端部11との間から始まる。
逆流防止流入弁20は、主流路15のテーパ面25に密着してシールを行うシール部24を備えた弁本体23と、弁本体23がテーパ面25に圧接するように弁本体23に力を加えるスプリング27とを備えている。排出制御弁22は、スプリング29を装着した弁本体28を備えている。
圧力調整器４には、Ｔ字形状片３の排出端部13と流体が流れるように連通している流入端部31が設けてある。流入端部31は、排出端部13に取り付けてあり、流入端部31の内面32の一部は、排出制御弁22の弁座を形成している。圧力調整器は、周知のものであるため、これについての詳細な説明は省略する。
さらに圧力調整器４には、ある器具と前記調整器とを接続するコネクタ34を備えた流出端部33と、排出制御弁22を作動させる手段37とが設けられている。排出制御弁22を作動させる手段37は、外部アクチュエータ40と、外部アクチュエータ40から延び、排出制御弁22を制御する制御機構を含み、制御機構は、排出制御弁22の弁本体23を移動させるピン41を含む。
ボンベ２を充填するために、Ｔ字形状片１の充填端部10に充填ノズル（図示せず）を接続する。充填ノズルには、コネクタ端部11の方向に弁本体23を押して逆流防止流入弁20を開ける弁制御機構が設けてあり、そのため逆流防止流入弁20が開く。これでボンベ２が充填できる状態になる。充填が終了したら、逆流防止流入弁20を閉じ、充填ノズルを外す。
前記のようにして液化石油ガスを充填したボンベ２を利用し、調理用器具または加熱用器具（図示せず）にガスを供給することができる。このような器具には、コネクタ（図示せず）が付いたホース（図示せず）が設けられており、この器具にガスを供給するために、圧力調整器４の流出端部33のコネクタ34に前記コネクタを接続する。流出端部およびホースのコネクタは周知のものなので、詳細な説明は省略する。圧力調整器４にガスを流すには、外部アクチュエータ40を第１の位置から第２の位置に移動させる。この移動により、ピン41の端部が圧力調整器４の流入端部31から外に出る。ピン41が移動すると排出流量制御弁22の弁本体28がスプリング29の作用に逆らって開位置に移動する。器具に流れるガスを遮るために、圧力調整器４上の外部アクチュエータ40を第１の位置に戻すと、ピン41が圧力調整器４の流入端部31内に後退し、排出流制御弁22が閉じる。
ボンベ２が空になっている場合、器具のホースをコネクタ34から分離し、ボンベを充填済みのものと交換する。空のボンベは充填ステーションに戻し、点検と充填を行う。圧力調整器４はボンベ２に付いたままになっているので、充填ステーションで圧力調整器４も点検、整備することができる。
圧力調整器の流出端部33は、ボンベ２の上部端部に取り付けたリム（rim）43の開口部42に通すことができる。また、流出端部34は開口部42に固定することができる。リム43は、ボンベ２の円筒状側壁７の一部になっている場合と、円筒状側壁７に取り付けた独立リムになっている場合とがある。
排出制御弁を作動させる手段の制御機構が可融性部品を含むと好都合であり、ピン41が可融性材料でできているとさらに都合がよい。
逆流防止流入弁20の弁本体23が安全弁（図示せず）を含むと都合がよい。
別の実施の形態では、圧力調整器の流入端部に直角コネクタが設けてあり、アクチュエータが直角コネクタに接して配設されている。The present invention relates to a discharge and filling device used for a gas cylinder for storing high-pressure gas. The gas storage cylinder may be referred to as a bottle. The gas stored at high pressure is often partially liquefied at ambient temperature. An example of a gas suitable for storage in such a cylinder or bottle is petroleum gas.
A conventional discharge and fill device for use in high pressure gas storage cylinders comprises an elbow-shaped housing having a charging end and connection means for connecting the housing to a cylinder boss. A connector end, an open-ended flow path extending from the filling end to the connector end, and a manual valve for flowing and stopping liquid through the flow path are provided.
The filling end is provided with a screw to which a filling nozzle or a pressure regulator can be connected. The pressure regulator is provided with an inlet end which can be connected to the filling end of the housing and an outlet end which connects a device. A cylinder provided with a conventional discharge and filling device fills via the filling end of the housing and also discharges via the same filling end.
A filling nozzle is connected to the filling end of the housing for filling the cylinder. When the manual valve is opened, the cylinder is filled. When filling is completed, close the valve and remove the filling nozzle.
When a gas cylinder filled with liquefied petroleum gas is used as described above, gas can be supplied to a cooking utensil or a heating utensil. Such a device is connected by a conduit such as a hose to the outlet end of a pressure regulator associated with the device. To supply gas to the instrument, a pressure regulator is connected to the fill end of the housing and the valve is opened. To shut off gas flow to the instrument, close the valve.
If the cylinder is empty, disconnect the pressure regulator from the discharge end of the housing and replace the cylinder with a full one. The empty cylinder is returned to the filling station for filling. It is highly desirable for safety to inspect the cylinder before filling it. In conventional discharge and fill devices, the pressure regulator remains connected to the instrument.
Japanese Patent Specification No. 63167199 discloses a discharge and filling device for use in a cylinder for storing high pressure gas, the device comprising a filling end, fixed in the cylinder, an inlet opening and an outlet opening. A connector end having connection means for connecting the annular housing to the neck ring provided with a housing, and a housing provided with an outflow end, the housing extending from the filling end to an outflow opening at the connector end. A filling flow path, a discharge flow path extending from the inflow opening to the outflow end of the connector end, an inflow control valve disposed in the inflow flow path, and a discharge control valve disposed in the discharge flow path are provided. Have been.
Therefore, the known device has separate flow paths for filling and discharging the cylinder. This device also requires that an independent pressure regulator be connected to the outlet end.
One of the problems with conventional discharge and filling equipment is that the pressure regulator cannot be returned with an empty cylinder because the pressure regulator remains connected to the instrument and therefore the pressure regulator Cannot be checked.
European Patent Specification 393234 discloses a new discharge and fill device for use in high pressure gas storage cylinders. The apparatus comprises an annular housing having a filling end, a connector end having connection means for connecting the annular housing to a boss of the cylinder, and an open end extending from the filling end to the connector end. Backflow preventing inflow valve with a spring disposed in the open-ended flow path near the filling end, and a flow rate with a spring disposed in the open-ended flow path near the connector end A control valve and a connector pin for transmitting the movement of the valve body of the backflow prevention inflow valve to the valve body of the flow control valve are provided.
The filling end is provided with a flange to which a filling nozzle or a pressure regulator can be connected, so that a cylinder provided with a conventional discharge and filling device can be filled via the filling end of the annular housing. Discharge through the same filling end.
A filling nozzle is connected to the filling end of the annular housing for filling the cylinder. The filling nozzle is provided with a valve control mechanism which opens the valve in the annular housing and urges the valve body of the non-return valve against the action of the spring towards the connector end. The movement of the valve body is transmitted to the valve body of the flow control valve by the connector pin, so that the flow control valve is also opened. The cylinder can now be filled. When filling is completed, the backflow prevention inflow valve and the flow control valve are closed, and the filling nozzle is removed.
When a gas cylinder filled with liquefied petroleum gas is used as described above, gas can be supplied to a cooking utensil or a heating utensil. Such a device is connected by a conduit such as a hose to the outlet end of a pressure regulator associated with the device. To supply gas to the instrument, the inlet end of the pressure regulator is connected to the filling end of the annular housing. The pressure regulator is provided with means for operating a valve in the annular housing, the means comprising an actuator and a control mechanism. The control mechanism includes a pin slidably disposed at the inflow end of the pressure regulator. The pressure regulator is further provided with an outwardly projecting inlet end which presses the valve body of the non-return inlet valve in a direction away from the filling end of the annular housing. To allow gas to flow into the pressure regulator, the actuator is moved from a first position to a second position. This movement causes the end of the pin to exit the inlet end of the pressure regulator. The movement of the pin moves the valve body of the check valve to the open position against the action of the spring. Said movement is transmitted to the valve body of the flow control valve via the connector pin, so that the flow control valve is also opened. To block the flow of gas to the device, the actuator of the pressure regulator is returned to a first position where the pin retracts into the inlet end of the pressure regulator and the non-return inlet valve and the flow control valve are closed.
When the cylinder is empty, disconnect the pressure regulator from the discharge end of the annular housing and replace the cylinder with a full one. The empty cylinder is returned to the filling station for filling. It is highly desirable for safety to inspect the cylinder before filling it. In conventional discharge and fill devices, the pressure regulator remains connected to the instrument.
Modern devices have similar problems as conventional devices.
Another problem with modern evacuation and filling devices is the presence of two valves in the flow path of the annular housing. The reason why the two valves are provided in this way is to suppress the risk of accidental leakage of the high-pressure gas. However, even when the flow control valve is open, the presence of the flow control valve itself impedes the flow of the fluid, which adversely affects the filling speed of the cylinder.
It is an object of the present invention to provide a discharge and filling device with an integrated pressure regulator.
To achieve the above object, a discharge and filling device according to the present invention for use in a high-pressure gas storage cylinder includes a T-shaped piece and a pressure regulator, wherein the T-shaped piece has a filling end, A connector end having connection means for connecting the T-shaped piece to the boss of the cylinder; and a discharge end, and the T-shaped piece has an open-ended main flow path extending from the filling end to the connector end; An open-end discharge passage extending from the end to the discharge end. The T-shaped piece further includes a backflow prevention inflow valve disposed inside the main flow passage adjacent to the filling end, and disposed in the discharge passage. And a pressure regulator provided with an inflow end in fluid communication with the discharge end of the T-piece and a means for connecting to any instrument. An outflow end and means for operating the discharge control valve are provided.
An advantage of the device of the present invention is that there is no emission control valve in the main flow path. Another advantage of the apparatus of the present invention is that only the main flow path is used when filling the cylinder and only the discharge flow path is used when discharging from the cylinder. It can be smaller than the diameter of the road. Since the diameter of the discharge passage is smaller than the diameter of the main passage in this way, when the pressure regulator accidentally comes off the T-shaped piece, it is less likely that the flow of the fluid cannot be controlled.
The invention will be described in more detail by way of example with reference to the accompanying drawings, which show a partial cross-section of a discharge and filling device according to the invention.
Referring to the figure, the discharge and filling device 1 according to the invention is arranged in a cylinder 2 for storing high-pressure gas. The device 1 comprises a T-piece 3 and a pressure regulator 4.
The cylinder 2 includes a top cover 6, a cylindrical side wall 7, and a bottom cover (not shown). A boss 9 is fixed to an opening 8 in the upper cover 6.
The T-shaped piece 3 has a filling end 10, a connector end 11 provided with a screw-shaped connecting means 12 for connecting the T-shaped piece 3 and the boss 9 of the cylinder 2, and a discharge end 13. ing. The T-shaped piece 3 includes an open-ended main flow path 15 extending from the filling end 10 to the connector end 11, and an open-ended discharge flow path 16 extending from the main flow path 15 to the discharge end 13. Inside the main flow path 15, a backflow prevention inflow valve 20 is disposed near the filling end 10, and inside the discharge flow path 16, a discharge control valve 22 is disposed near the discharge end 13. is there. The discharge passage 16 starts between the bottom of the valve body 23 and the connector end 11.
The backflow prevention inflow valve 20 applies a force to the valve body 23 provided with a seal portion 24 that tightly seals the tapered surface 25 of the main flow path 15 and a valve body 23 so that the valve body 23 is pressed against the tapered surface 25. An additional spring 27 is provided. The discharge control valve 22 includes a valve body 28 on which a spring 29 is mounted.
The pressure regulator 4 is provided with an inflow end 31 that is in fluid communication with the discharge end 13 of the T-piece 3. The inflow end 31 is attached to the discharge end 13, and a part of the inner surface 32 of the inflow end 31 forms a valve seat of the discharge control valve 22. Since the pressure regulator is well-known, a detailed description thereof will be omitted.
Further, the pressure regulator 4 is provided with an outlet end 33 provided with a connector 34 for connecting a certain instrument to the regulator, and means 37 for operating the discharge control valve 22. The means 37 for operating the discharge control valve 22 includes an external actuator 40 and a control mechanism extending from the external actuator 40 and controlling the discharge control valve 22. The control mechanism includes a pin for moving the valve body 23 of the discharge control valve 22. Including 41.
To fill the cylinder 2, a filling nozzle (not shown) is connected to the filling end 10 of the T-shaped piece 1. The filling nozzle is provided with a valve control mechanism that pushes the valve body 23 in the direction of the connector end 11 to open the backflow prevention inflow valve 20, so that the backflow prevention inflow valve 20 opens. The cylinder 2 is now ready for filling. When the filling is completed, the check valve 20 is closed and the filling nozzle is removed.
The gas can be supplied to the cooking utensil or the heating utensil (not shown) using the cylinder 2 filled with the liquefied petroleum gas as described above. Such a device is provided with a hose (not shown) with a connector (not shown) and a connector 34 at the outlet end 33 of the pressure regulator 4 for supplying gas to the device. To the connector. Since the outflow end and the connector of the hose are well known, detailed description is omitted. To flow gas through the pressure regulator 4, the external actuator 40 is moved from the first position to the second position. This movement causes the end of the pin 41 to move out of the inflow end 31 of the pressure regulator 4. When the pin 41 moves, the valve body 28 of the discharge flow control valve 22 moves to the open position against the action of the spring 29. When the external actuator 40 on the pressure regulator 4 is returned to the first position in order to block gas flowing to the instrument, the pin 41 retracts into the inflow end 31 of the pressure regulator 4 and the discharge flow control valve 22 close.
If the cylinder 2 is empty, disconnect the instrument hose from the connector 34 and replace the cylinder with a full one. Return the empty cylinder to the filling station for inspection and filling. Since the pressure regulator 4 remains attached to the cylinder 2, the pressure regulator 4 can also be checked and serviced at the filling station.
The outflow end 33 of the pressure regulator can be passed through an opening 42 of a rim 43 attached to the upper end of the cylinder 2. The outflow end 34 can be fixed to the opening 42. The rim 43 may be a part of the cylindrical side wall 7 of the cylinder 2 or may be an independent rim attached to the cylindrical side wall 7.
Advantageously, the control mechanism of the means for actuating the discharge control valve comprises a fusible component, and more advantageously, the pin 41 is made of a fusible material.
Conveniently, the valve body 23 of the backflow prevention inflow valve 20 includes a safety valve (not shown).
In another embodiment, a right angle connector is provided at the inflow end of the pressure regulator, and the actuator is disposed in contact with the right angle connector.

Claims (7)

高圧ガス保存用ボンベ（２）に使用する排出および充填装置（１）であって、Ｔ字形状片（３）と圧力調整器（４）とを備え、前記Ｔ字形状片（３）は、充填端部（10）と、前記Ｔ字形状片（３）をボンベ（２）のボス（９）に接続する接続手段（12）を有するコネクタ端部（11）と、排出端部（13）とを備え、また前記Ｔ字形状片（３）は、前記充填端部（10）から前記コネクタ端部（11）に延びるオープンエンドの主流路（15）と、前記主流路（15）から前記排出端部（13）に延びるオープンエンドの排出流路（16）とを含み、さらに前記Ｔ字形状片（３）に、前記充填端部（10）に近接して前記主流路（15）内部に配設した逆流防止流入弁（20）と、前記排出流路（16）内に配設した排出制御弁（22）とを設け、前記圧力調整器（４）には、流体が流れるように前記Ｔ字形状片（３）の排出端部（13）と連通している流入端部（31）と、任意の器具に接続する手段（34）を設けた流出端部（33）と、外部アクチュエー タ（40）と前記外部アクチュエータ（40）から延び前記 排出制御弁（22）を制御する制御機構を有する前記排出制御弁（22）を操作する手段（37）とを設け、前記制御 機構は前記排出制御弁（22）の弁本体（28）を移動させ るピン（41）を含む、排出および充填装置。A discharge and filling device (1) used for a high-pressure gas storage cylinder (2), comprising a T-shaped piece (3) and a pressure regulator (4), wherein the T-shaped piece (3) A connector end (11) having a filling end (10), a connecting means (12) for connecting the T-shaped piece (3) to the boss (9) of the cylinder (2), and a discharge end (13). The T-shaped piece (3) includes an open-ended main flow path (15) extending from the filling end (10) to the connector end (11); An open-end discharge channel (16) extending to a discharge end (13), and further comprising an inner portion of the main flow channel (15) in the T-shaped piece (3) adjacent to the filling end (10). And a discharge control valve (22) disposed in the discharge passage (16). The pressure regulator (4) is provided with a fluid An inflow end (31) in fluid communication with the discharge end (13) of the T-piece (3) and an outflow end (33) provided with means (34) for connection to any instrument. If the provided and means for operating the discharge control valve (22) (37) having a control mechanism for controlling the external actuator (40) and said discharge control valve extending externally actuator (40) (22), wherein the control mechanism includes a lupine (41) moves the valve body (28) of the discharge control valve (22), emptying and filling equipment. 排出制御弁（22）が、スプリング付弁本体（28）と、排出端部（13）の端に配設した弁座（32）とを備えている請求の範囲第１項に記載の排出および充填装置。The discharge and discharge device according to claim 1, wherein the discharge control valve (22) comprises a valve body (28) with a spring and a valve seat (32) disposed at an end of the discharge end (13). Filling device. Ｔ字形状片（３）の排出端部（13）に圧力調整器（４）の流入端部（31）が取り付けられている請求の範囲第１項または第２項に記載の排出および充填装置。3. The discharge and filling device according to claim 1, wherein the inflow end (31) of the pressure regulator (4) is attached to the discharge end (13) of the T-piece (3). . 圧力調整器（４）の流入端部（31）がＴ字形状片（３）の排出端部（13）に取り付けてあり、排出制御弁（22）が、スプリング付弁本体（28）を備え、前記排出制御弁（22）の弁座（32）が、圧力調整器（４）の流入端部（31）の一部である請求の範囲第１項に記載の排出および充填装置。The inflow end (31) of the pressure regulator (4) is attached to the discharge end (13) of the T-shaped piece (3), and the discharge control valve (22) has a valve body with spring (28). The discharge and filling device according to claim 1, wherein the valve seat (32) of the discharge control valve (22) is part of the inlet end (31) of the pressure regulator (4). 制御機構に含まれるピン（41）が可融性材 料により作られる請求の範囲第１項から第４項のいずれ か一項に記載の排出および充填装置。 Pins included in the control mechanism (41) is discharged and filling apparatus according to any one of claim 1, wherein the fourth term made by fusible materials. 逆流防止流入弁（20）が、安全弁を含む請求の範囲第１項から第５項のいずれか一項に記載の排出および充填装置。The discharge and filling device according to any one of claims 1 to 5, wherein the check valve (20) comprises a safety valve. 請求の範囲第１項から第６項のいずれか一項に記載の排出および充填装置（１）を設けた高圧ガス保存用ボンベ。A high-pressure gas storage cylinder provided with the discharge and filling device (1) according to any one of claims 1 to 6 .
JP51659096A 1994-11-23 1995-11-22 Discharge and filling equipment for gas cylinders Expired - Fee Related JP3583439B2 (en)

Applications Claiming Priority (3)

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GB94308670.2 1994-11-23
EP94308670 1994-11-23
PCT/EP1995/004689 WO1996016290A1 (en) 1994-11-23 1995-11-22 Discharge and fill device for a gas cylinder

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