JP2007508052A - 携帯型ガス分離システム - Google Patents
携帯型ガス分離システム Download PDFInfo
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Abstract
Description
・供給ガスを約35psiaの供給圧力(feed pressure)で並流方向に吸着床118a中に送ることによって吸着床118aを加圧し、それと同時に、2つの吸着床118a、118bの圧力がほぼ等しくなるまで、より高圧の酸素富化製品ガスを吸着床118bから吸着床118a中に逆流方向に進路を変えて送り込むこと。
・供給ガス流が吸着床118bに入るのを阻止しながら、製品ガスを吸着床118bから貯蔵容器124に放出すること。
・供給ガスを流量約4〜8.5slpm且つ供給圧力約35psiaで吸着床118aに供給すること。
・窒素富化廃ガスを吸着床118bから排気消音器122に逆流方向に放出すること。
・供給ガスを流量約4〜8.5slpm且つ供給圧力約35psiaで吸着床118aに供給し続けながら、製品ガスを吸着床118aから貯蔵容器124に放出すること。
・廃ガスを吸着床118bから排気消音器122に逆流方向に放出し続けながら、製品ガスを貯蔵容器124から吸着床118bに放出することによって吸着床118bをパージすること。
・供給ガス流が吸着床118aに入るのを阻止しながら、製品ガスを吸着床118aから貯蔵容器124に放出し続けること。
・供給ガスを約35psiaの供給圧力で並流方向に吸着床118b中に送ることによって吸着床118bを加圧し、それと同時に、2つの吸着床118a、118bの圧力がほぼ等しくなるまで、より高圧の製品ガスを吸着床118aから吸着床118b中に逆流方向に進路を変えて送り込むこと。
・廃ガスを吸着床118aから排気消音器122に逆流方向に放出すること。
・供給ガスを流量約4〜8.5slpm且つ供給圧力約35psiaで吸着床118bに供給すること。
・供給ガスを流量約4〜8.5slpm且つ供給圧力約35psiaで吸着床118bに供給し続けながら、製品ガスを吸着床118bから貯蔵容器124に放出すること。
・廃ガスを吸着床118aから排気消音器122に逆流方向に放出し続けながら、製品ガスを貯蔵容器124から吸着床118aに放出することによって吸着床118aをパージすること。
104 フィルタ
106、1106 圧縮機アセンブリ
108、506 圧力スイング吸着(PSA)ユニット
110 ガス送達システム
112、1102 ファン
118a、118b 吸着床
120a〜j 弁
134 制御器
202 台座
204 外殻
206 ハウジング
300 第1の区画
302 第2の区画
508a、508b 吸着床筒
512 一体型流体流動マニホルド
522 パルス幅変調(PWM)制御電流源
902 水分捕集部
1104 バッテリ
1108 圧縮機
1120 ガイド・レール
1122 圧縮機拘束装置
1128 振動減衰部材
1306 導管
1402 周囲空気
1404 空気入口
1408 空気出口
1600 酸素濃縮器ユニット
1614 円盤フィルタ
1700 衛星型コンサーバ
1701 呼吸センサ
1702 定量化装置
1703 送出し弁
1704 可撓管
1706 クリップ
1708 患者用インターフェース
1710 タイミング回路
1800 移動用カート
1802 枠
1804 車輪
1806 支持部分
1808 ハンドル部分
1814 バッテリ支柱
1816 電源装置
1900 バッテリ・パック
1906 接点突起部
Claims (33)
- 少なくとも87%の純度を有する酸素を生成する複数の吸着床を含むPSAユニットであって、均圧化ステップを含むPSAサイクルに従って動作し、それにより空気から約31%を超える酸素回収を行う弁を含むPSAユニットと、
前記PSAユニットに圧縮空気を供給するように連結された圧縮機であって、圧縮機騒音を低減させるように非往復動型であり、約15slpm以下の流量で周囲空気を吸入するように構成された圧縮機と、
前記圧縮機全体を巡る気流を生成する送風機とを含み、前記PSAユニットの前記弁が、前記圧縮機全体を巡る前記気流の上流に配設され、それにより前記PSA弁に加わる熱負荷が低減される、携帯型ガス分離装置。 - 空気入口と空気出口とを有するハウジングであって、圧縮機と、複数の吸着床と、少なくとも2時間の定格寿命を有するバッテリとを含む構成部品を含み、前記圧縮機が、前記バッテリによって電力供給され、それにより約15slpm以下の流量で前記圧縮機内に空気を吸入し、前記ハウジングと前記構成部品とが約10ポンド未満の総重量を有するハウジングを含み、
前記ハウジングが、前記分離装置の外部に発生される騒音が約45dB以下となるように構成される、携帯型ガス分離装置。 - 周囲空気が約15slpm未満の流量で非往復動圧縮機に吸入され、前記圧縮機が、前記周囲空気を加圧すると共に、前記加圧空気を約4〜9slpmの流量でPSAユニットに送達するように、前記非往復動圧縮機に前記周囲空気を供給することと、
PSAサイクルに従って前記PSAユニット内の前記加圧空気を処理し、それにより約87%〜93%の純度を有する酸素富化ガスを生成することとを含む、酸素富化ガスを生成する方法。 - 並べて取り付けられた複数の吸着床筒と、
前記筒の一方の端部に取り付けられ、複数の一体型流路と、前記一体型流路中を、前記筒へと、またそこから流れる流体の流量を制御する複数の弁とからなる一体型流体流動マニホルドとを含む、携帯型ガス分離装置。 - 供給ガスを生成する圧縮機と、
供給ガス経路を介して前記圧縮機から前記供給ガスを受け取るように連結された複数の吸着床であって、前記供給ガスから精製ガスと廃ガスとを生成し、前記廃ガスが廃ガス経路を介して前記床から排出される複数の吸着床と、
前記流体経路中に凝縮された水分を捕集して、前記水分が前記床に到達するのを防止する水分捕集部であって、前記捕集水分が、前記廃ガス経路中に配置され、それにより前記排出された廃ガスが、前記水分を前記床から離れるように運び去ることになる水分捕集部とを含む、携帯型ガス分離装置。 - ハウジングと、
前記ハウジング内で振動減衰部材上に取り付けられた圧縮機と、
前記圧縮機を前記ハウジングに非剛性に固定するように、前記圧縮機と前記ハウジングとの間で弾性的に十分可撓に連結された圧縮機拘束装置とを含む、携帯型ガス分離装置。 - 細長いハウジングと、
前記ハウジング内部に配置された吸着材料と、
前記ハウジングの一方の端部に近接して配置された第1のフィルタであって、前記ハウジングと封止係合しているほぼ環状の部材と、前記環状部材と単一片として一体に形成されたフィルタ部分とを含むフィルタとを含む吸着床筒。 - 細長いハウジングと、
前記ハウジング内部に配置された複数の吸着剤と、
前記ハウジングの、少なくとも1つの吸着剤に隣接した一方の端部に近接して配置されたフリットからなる第1のフィルタとを含む吸着床筒。 - 空気などのガスを圧縮して供給ガスを生成する圧縮機と、
前記供給ガスを受け取り、精製ガスと廃ガスとを生成する複数の吸着床と、
前記圧縮機に電力を供給するバッテリと、
周囲空気入口と、周囲空気出口と、複数の区画であって、その第1の区画が前記吸着床を含み、その第2の区画が前記圧縮機を含み、前記それらの区画が、前記第2の区画から前記第1の区画への熱エネルギーの移動を大幅に阻止する複数の区画とを含むハウジングとを含む、携帯型ガス分離装置。 - 台座と外殻とを含むハウジングと、
前記台座上に取り付けられると共にそれによって構造的に支持される複数の構成部品とを含み、前記外殻が、前記構成部品を覆い、また、前記構成部品を取り外さずに前記台座から取外し可能である、携帯型ガス分離装置。 - 供給ガスを生成する圧縮機と、
前記供給ガスを受け取るように連結され、前記供給ガスから精製ガスと廃ガスとを生成する複数の吸着床と、
バッテリと、
前記廃ガスを前記バッテリに送達して前記バッテリを冷却するように連結された導管とを含む、携帯型ガス分離装置。 - 複数の吸着床と、前記床への、またそこからの流体流量を制御する複数の弁とを含むPSAユニットに圧縮空気を供給する空気圧縮機を有する酸素濃縮器を提供することと、
入口から空気を吸入すると共に出口から前記空気を排出することによって、前記濃縮器中に空気流を発生させ、それにより、前記空気が前記濃縮器中を流路に沿って流れるようにすることと、
前記弁を前記流路の上流部分に露出させると共に、前記空気圧縮機を前記流路の下流部分に露出させ、それにより、前記弁が前記流路の前記下流部分を通って流れる空気から実質的に分離されることとを含む、酸素を生成する方法。 - 支持部分とハンドル部分とを有する枠であって、前記支持部分が、携帯型ガス分離ユニットを受け、前記ハンドル部分にかかる力に応じて前記ユニットを運搬するように適応された枠と、
前記枠に取り付けられた電源装置であって、AC電源入力と、バッテリを充電するように適応された第1の電源出力と、前記ユニットに電力供給するように適応された第2の電源出力とを有する電源装置とを含む、移動用カート。 - 携帯型ガス分離ユニットと、
前記ユニットを車輪で運搬するように、前記ユニットが取外し可能に連結される枠と、
前記枠に取り付けられた電源装置であって、AC電源入力と、バッテリを充電するように適応された第1の電源出力と、前記ユニットに電力供給するように適応された第2の電源出力とを有する電源装置とを含む、車輪付き移動用カート。 - 中央部分と両端部分とによって画定されたほぼU形の本体であって、前記中央部分が、前記Uの湾曲部を成し、前記両端部分が前記Uの両脚部を成す本体と、
頂部分、底部分、外側部分、及び内側部分と、
前記頂及び底部分を貫通すると共に前記両側及び両端部分にほぼ平行に延び、且つ前記内側部分の壁を貫通する軸である縦軸と、
前記両端部分を貫通すると共に前記両側、底、及び頂部分に平行に延び、且つ前記縦軸と交差する軸である横軸と、
前記横軸に平行に、前記底部分を貫通し、且つ前記縦軸と交差する軸である下部横軸と、
前記縦軸に直交し、且つ前記縦軸と前記下部横軸とのどちらとも交差する軸である中央下部水平軸と、
前記中央下部水平軸に平行に、前記下部横軸と交差し、且つそれぞれの端部分を貫通する軸である第1及び第2の端下部水平軸と、
対向する2対の側壁を有する接点突起部であって、前記側壁の少なくとも1つが、前記底部分から約3/8以上延び、前記下部横軸にほぼ平行且つ約1.5インチ以下の長さを有する第1の側壁と、前記中央下部水平軸にほぼ平行且つ約0.5インチ以下の長さを有する第2の側壁とを有する接点突起部とを含む、携帯型酸素濃縮器に電力を供給するバッテリ・パックであって、
前記水平横軸に沿って測定された、前記両端部分の両外側表面の間隔が、約4.25インチ以下であり、
前記中央下部水平軸に沿った、前記両側部分の両外側表面の間隔が約1インチ以下であり、
前記第1の端部水平下部軸に沿った、前記第1の端部分の両外側表面の間隔が約1.5インチ以下であり、
前記第2の端部水平下部軸に沿った、前記第2の端部分の両外側表面の間隔が、約1.5インチ以下であり、
前記中央水平下部軸を中心にほぼ対称であり、且つ前記下部水平横軸を中心に非対称である、バッテリ・パック。 - 前記バッテリ・パックの前記本体の上側表面から上方に延びるハンドルを更に含む、請求項15記載のバッテリ・パック。
- 前記バッテリ・パックの前記内側部分に接して配置された少なくとも1対のガード・レールを更に含み、前記ガード・レールが、前記携帯型酸素濃縮器側の取付け面と係合するように構成される、請求項15記載のバッテリ・パック。
- 前記バッテリ支柱が移動用カートに取り付けられる、請求項15記載のバッテリ・パック。
- 少なくとも1つの電流作動式流量制御弁と、
前記少なくとも1つの制御弁に接続され、PWM信号を電流源に供給することによって前記PWM信号を弁作動電流に変換するパルス幅変調(PWM)電流源とを含む、酸素濃縮器。 - PWMデューティ・サイクルのある値に対応する第1の電流振幅が、前記弁を開又は閉にするのに十分であり、前記第1の電流振幅よりも低く、より低いPWMデューティ・サイクルに対応する第2の電流振幅が、前記弁を開又は閉状態に維持するのに十分である、請求項19記載の濃縮器。
- 制御器と、
少なくとも1つの電流作動式ファンと、
前記ファンに接続されたパルス幅変調(PWM)電流源とを含む酸素濃縮器であって、前記制御器が、PWM信号を前記電流源に供給し、それにより前記PWM信号をファン作動電流に変換することによって前記ファンを作動させる、酸素濃縮器。 - 制御器と、
少なくとも1つの電流作動式圧縮機と、
前記圧縮機に接続されたパルス幅変調(PWM)電流源とを含む酸素濃縮器であって、前記制御器が、PWM信号を前記電流源に供給し、それにより前記PWM信号を圧縮機作動電流に変換することによって前記圧縮機を作動させる、酸素濃縮器。 - 前記圧縮機の速度が、前記圧縮機作動電流の前記振幅に伴って変動し、前記圧縮機作動電流が、前記制御器によって前記PWM電流源に与えられる前記PWMデューティ・サイクルに伴って変動する、請求項22記載の濃縮器。
- 前記制御器が、選択可能な圧縮機速度に対応するPWMデューティ・サイクルの特定値を前記電流源に与える、請求項23記載の濃縮器。
- 圧縮機速度センサを更に含み、前記速度センサが、前記制御器によって読みとられ、次いで、前記電流源に与えられる前記PWMデューティ・サイクルを調節して前記圧縮機作動電流を変動させ、それにより前記圧縮機に加わる負荷が変動する期間中、所望の圧縮機速度を維持する、請求項22記載の濃縮器。
- 酸素送達出口を有する酸素濃縮器と、
前記出口から酸素を受け取るように一方が連結された可撓管と、
感知された患者の呼吸に応じて計量された量で酸素を送達する衛星型コンサーバであって、(i)前記管の他方の端部から酸素を受け取るように、且つ(ii)前記酸素を前記患者に送達するように連結されたコンサーバとを含む、酸素を患者に送達するための装置。 - 前記可撓管が、約50〜100フィートの長さを有する、請求項26記載の装置。
- 前記コンサーバが、前記コンサーバを前記患者に取外し可能に取り付けるように適応された取付け部材を含む、請求項26記載の装置。
- 前記取付け部材がクリップを含む、請求項28記載の装置。
- 前記コンサーバが、前記患者の呼吸を感知するように適応された呼吸センサと、酸素を前記患者に送達するように適応された送出し弁とを含む、請求項26記載の装置。
- 前記衛星型コンサーバが、酸素流量を設定するための患者用インターフェースを更に含む、請求項26記載の装置。
- 前記患者用インターフェースが、いくつかの離散的な流量から選択する調節部材を含み、前記調節部材の設定が、調節部材の設定に応じてどれだけの間前記弁が開となるかを制御するタイミング回路によって読みとられる、請求項31記載の装置。
- 前記調節部材が制御つまみである、請求項32記載の装置。
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JP2008239427A (ja) * | 2007-03-28 | 2008-10-09 | Terumo Corp | 酸素濃縮装置 |
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Also Published As
Publication number | Publication date |
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EP1677895A2 (en) | 2006-07-12 |
WO2005035037A2 (en) | 2005-04-21 |
US7753996B1 (en) | 2010-07-13 |
US7438745B2 (en) | 2008-10-21 |
US7730887B2 (en) | 2010-06-08 |
CA2540599C (en) | 2013-09-03 |
CA2540599A1 (en) | 2005-04-21 |
US20080105258A1 (en) | 2008-05-08 |
WO2005035037A3 (en) | 2005-06-23 |
US20050103341A1 (en) | 2005-05-19 |
US20080087170A1 (en) | 2008-04-17 |
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