JP6951358B2 - 呼吸ガスサンプリング用のサンプルセル及びその製造方法 - Google Patents
呼吸ガスサンプリング用のサンプルセル及びその製造方法 Download PDFInfo
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Description
Claims (16)
- (i)流入端及び流出端の両端を有する光学サンプリングボア、(ii)前記光学サンプリングボアの前記流入端に接続されるガス流入ルーメン及び(iii)前記光学サンプリングボアの前記流出端に接続されるガス流出ルーメンを含むガス流路を画定する一体成形の射出成形本体と、
前記一体成形の射出成形本体に取り付けられ、前記光学サンプリングボアの前記流入端を覆う流入光学ウィンドウと、
前記一体成形の射出成形本体に取り付けられ、前記光学サンプリングボアの前記流出端を覆う流出光学ウィンドウと、を含み、
前記ガス流入ルーメンと前記光学サンプリングボアの前記流入端との接続部は、
前記ガス流入ルーメンから出て、前記ガス流入ルーメンと前記光学サンプリングボアの前記流入端との間に配置される流入プレナムに入るガス流を方向転換する凹面状の曲面壁と、
前記流入プレナムと前記光学サンプリングボアの前記流入端との間に配置される凸面状の曲面壁と、を含む、少なくとも1つの曲面壁を含む、呼吸ガスセンサ用のサンプルセル。 - 前記ガス流出ルーメンと前記光学サンプリングボアの前記流出端との接続部は、
前記光学サンプリングボアの前記流出端と、前記ガス流出ルーメンと接続する流出プレナムとの間に配置される凸面状の曲面壁と、
前記流出プレナムから出て前記ガス流出ルーメンに入るガス流を方向転換する凹面状の曲面壁と、
を含む、少なくとも1つの曲面壁を含む、請求項1に記載のサンプルセル。 - (i)流入端及び流出端の両端を有する光学サンプリングボア、(ii)前記光学サンプリングボアの前記流入端に接続されるガス流入ルーメン及び(iii)前記光学サンプリングボアの前記流出端に接続されるガス流出ルーメンを含むガス流路を画定する一体成形の射出成形本体と、
前記一体成形の射出成形本体に取り付けられ、前記光学サンプリングボアの前記流入端を覆う流入光学ウィンドウと、
前記一体成形の射出成形本体に取り付けられ、前記光学サンプリングボアの前記流出端を覆う流出光学ウィンドウと、を含み、
前記光学サンプリングボアは、前記光学サンプリングボアの前記流出端が、前記光学サンプリングボアの前記流入端よりも大きい直径を有するように向けられるテーパを持つテーパ円筒である、呼吸ガスセンサ用のサンプルセル。 - 前記流入光学ウィンドウは、前記光学サンプリングボアの前記流入端を密閉し、
前記流出光学ウィンドウは、前記光学サンプリングボアの前記流出端を密閉する、請求項1から3の何れか一項に記載のサンプルセル。 - 前記光学サンプリングボアは、光軸を画定し、
前記流入光学ウィンドウは、前記光軸を横断するように向けられ、
前記流出光学ウィンドウは、前記光軸を横断するように向けられる、請求項1から4の何れか一項に記載のサンプルセル。 - 前記ガス流入ルーメン及び前記ガス流出ルーメンは、平行であり、
前記ガス流入ルーメンは、前記光軸に直交し、
前記ガス流出ルーメンは、前記光軸に直交する、請求項5に記載のサンプルセル。 - 前記一体成形の射出成形本体は更に、前記一体成形の射出成形本体の両側にフィンガグリップを含む、請求項1から6の何れか一項に記載のサンプルセル。
- 前記フィンガグリップの少なくとも1つは、(i)前記一体成形の射出成形本体に対する角度と、(ii)前記一体成形の射出成形本体から離れるように弧を描く湾曲とのうちの少なくとも1つを有する前記一体成形の射出成形本体の突起部を含む、請求項7に記載のサンプルセル。
- 前記フィンガグリップは、前記フィンガグリップに印加される対向する力の印加によって、サンプリングベンチからの前記サンプルセルの取り外しを容易にするように構造化される、請求項7又は8に記載のサンプルセル。
- 前記フィンガグリップの少なくとも1つは更に、前記フィンガグリップに印加される対向する力の前記印加によって、サンプリングベンチからの前記サンプルセルの取り外しを容易にするように、(i)ロック機構を無効にすること、又は、(ii)解放機構を作動させることの少なくとも1つを行うように構造化される、請求項9に記載のサンプルセル。
- 前記一体成形の射出成形本体は更に、前記ガス流入ルーメンを画定し且つニブを有する管状ガス流入口を含み、前記サンプルセルは更に、
接着剤を使用することなく、前記ニブを介して前記管状ガス流入口に取り付けられる排水フィルタを含む、請求項1から10の何れか一項に記載のサンプルセル。 - 請求項1から11の何れか一項に記載のサンプルセルと、
前記サンプルセルの前記光学サンプリングボアの前記流入端内に光を入れる光源と、
前記サンプリングセルの前記光学サンプリングボアの前記流出端に配置され、前記光源からの光を、前記サンプルセルの前記光学サンプリングボアを通過した後に検出する光検出器と、
を含む、呼吸ガス二酸化炭素センサ。 - 前記サンプルセルの前記光学サンプリングボアを通る呼吸ガスを引き入れるように、前記サンプルセルの前記ガス流出ルーメンに接続されるポンプと、
前記光源及び前記光検出器を含み、また、前記サンプルセルを取り外し可能なサンプルセルとして受け入れるサンプルセルレセプタクルを更に含むサンプリングベンチと、
のうちの少なくとも1つを更に含む、請求項12に記載の呼吸ガス二酸化炭素センサ。 - (i)流入端及び流出端の両端を有する光学サンプリングボア、(ii)前記光学サンプリングボアの前記流入端に接続されるガス流入ルーメン及び(iii)前記光学サンプリングボアの前記流出端に接続されるガス流出ルーメンを含むガス流路を画定する本体と、
前記本体に取り付けられ、前記光学サンプリングボアの前記流入端を覆う流入光学ウィンドウと、
前記本体に取り付けられ、前記光学サンプリングボアの前記流出端を覆う流出光学ウィンドウと、を含み、
前記ガス流入ルーメンと前記光学サンプリングボアの前記流入端との接続部は、
前記ガス流入ルーメンから出て、前記ガス流入ルーメンと前記光学サンプリングボアの前記流入端との間に配置される流入プレナムに入るガス流を方向転換する凹面状の曲面壁と、
前記流入プレナムと前記光学サンプリングボアの前記流入端との間に配置される凸面状の曲面壁と、を含む、少なくとも1つの曲面壁を含む、呼吸ガスセンサ用のサンプルセル。 - 前記ガス流出ルーメンと前記光学サンプリングボアの前記流出端との接続部は、
前記光学サンプリングボアの前記流出端と、前記ガス流出ルーメンと接続する流出プレナムとの間に配置される凸面状の曲面壁と、
前記流出プレナムから出て前記ガス流出ルーメンに入るガス流を方向転換する凹面状の曲面壁と、
を含む、少なくとも1つの曲面壁を含む、請求項14に記載のサンプルセル。 - (i)流入端及び流出端の両端を有する光学サンプリングボア、(ii)前記光学サンプリングボアの前記流入端に接続されるガス流入ルーメン及び(iii)前記光学サンプリングボアの前記流出端に接続されるガス流出ルーメンを含むガス流路を画定する本体と、
前記本体に取り付けられ、前記光学サンプリングボアの前記流入端を覆う流入光学ウィンドウと、
前記本体に取り付けられ、前記光学サンプリングボアの前記流出端を覆う流出光学ウィンドウと、を含み、
前記光学サンプリングボアは、前記光学サンプリングボアの前記流出端が、前記光学サンプリングボアの前記流入端よりも大きい直径を有するように向けられるテーパを持つテーパ円筒である、呼吸ガスセンサ用のサンプルセル。
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