JPS61109554U - - Google Patents

Info

Publication number
JPS61109554U
JPS61109554U JP19398684U JP19398684U JPS61109554U JP S61109554 U JPS61109554 U JP S61109554U JP 19398684 U JP19398684 U JP 19398684U JP 19398684 U JP19398684 U JP 19398684U JP S61109554 U JPS61109554 U JP S61109554U
Authority
JP
Japan
Prior art keywords
exhalation
breathing
valve
passage communicating
communicating
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP19398684U
Other languages
Japanese (ja)
Other versions
JPH0239481Y2 (en
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 filed Critical
Priority to JP19398684U priority Critical patent/JPH0239481Y2/ja
Publication of JPS61109554U publication Critical patent/JPS61109554U/ja
Application granted granted Critical
Publication of JPH0239481Y2 publication Critical patent/JPH0239481Y2/ja
Expired legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

添付図面において、第１図は自動酸素富化弁の
１例を示す断面図、第２図は従来の循環式呼吸器
の呼気系統を模式的に示す図、第３図は本考案を
適用した循環式呼吸器の１例を示す図、第４図は
自動酸素富化弁の他の実施例を示す図である。 １２……自動酸素富化弁、２３……ハウジング
、２７……第１の弁、２８……第２の弁。 In the accompanying drawings, Figure 1 is a sectional view showing an example of an automatic oxygen enrichment valve, Figure 2 is a diagram schematically showing the exhalation system of a conventional circulation type respirator, and Figure 3 is a diagram showing an example of an automatic oxygen enrichment valve. FIG. 4 is a diagram showing an example of a circulating respirator, and FIG. 4 is a diagram showing another embodiment of an automatic oxygen enrichment valve. 12... automatic oxygen enrichment valve, 23... housing, 27... first valve, 28... second valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 循環系の呼気系統に連通する通路および大気に
連通する通路を有するハウジングと、該呼気系統
に連通する通路に設けられ呼気圧が加わつている
時のみ開弁する第１の弁と、該大気に連通する通
路に設けられ、呼吸停止状態および通常より微弱
な呼吸のときには開弁状態にあり、通常あるいは
それ以上の呼吸では、その呼気の流れの動圧によ
つて閉塞状態になる第２の弁とを有する自動酸素
富化弁を循環系の呼気系統中に設けたことを特徴
とする循環式呼吸器。 a housing having a passage communicating with an exhalation system of a circulatory system and a passage communicating with the atmosphere; a first valve provided in the passage communicating with the exhalation system and opening only when exhalation pressure is applied; A second valve is provided in the communicating passage and is open when breathing is stopped or when breathing is weaker than normal, and becomes closed when breathing is normal or stronger due to the dynamic pressure of the expiratory flow. 1. A circulation type respiratory apparatus, characterized in that an automatic oxygen enrichment valve is provided in the exhalation system of the circulation system.
JP19398684U 1984-12-21 1984-12-21 Expired JPH0239481Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19398684U JPH0239481Y2 (en) 1984-12-21 1984-12-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19398684U JPH0239481Y2 (en) 1984-12-21 1984-12-21

Publications (2)

Publication Number Publication Date
JPS61109554U true JPS61109554U (en) 1986-07-11
JPH0239481Y2 JPH0239481Y2 (en) 1990-10-23

Family

ID=30751421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19398684U Expired JPH0239481Y2 (en) 1984-12-21 1984-12-21

Country Status (1)

Country Link
JP (1) JPH0239481Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003511160A (en) * 1999-10-12 2003-03-25 マリンクロット・インコーポレイテッド Variable aperture vent for breathing masks
JP2009511187A (en) * 2005-10-11 2009-03-19 ビーイー・インテレクチュアル・プロパティー・インコーポレイテッド Improvement of respirator and adjuster for airplane

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003511160A (en) * 1999-10-12 2003-03-25 マリンクロット・インコーポレイテッド Variable aperture vent for breathing masks
JP2009511187A (en) * 2005-10-11 2009-03-19 ビーイー・インテレクチュアル・プロパティー・インコーポレイテッド Improvement of respirator and adjuster for airplane
US8496005B2 (en) 2005-10-11 2013-07-30 Be Aerospace, Inc. Breathing mask and regulator for aircraft
US9616256B2 (en) 2005-10-11 2017-04-11 B/E Aerospace, Inc. Breathing mask and regulator for aircraft

Also Published As

Publication number Publication date
JPH0239481Y2 (en) 1990-10-23

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