FR898889A - Altitude inhaler with additional air adjustment depending on altitude - Google Patents

Altitude inhaler with additional air adjustment depending on altitude

Info

Publication number
FR898889A
FR898889A FR898889DA FR898889A FR 898889 A FR898889 A FR 898889A FR 898889D A FR898889D A FR 898889DA FR 898889 A FR898889 A FR 898889A
Authority
FR
France
Prior art keywords
altitude
inhaler
additional air
air adjustment
adjustment depending
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Otto Heinrich Drager
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
Application granted granted Critical
Publication of FR898889A publication Critical patent/FR898889A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/02—Valves
    • A62B9/022—Breathing demand regulators

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR898889D 1941-05-09 1943-10-15 Altitude inhaler with additional air adjustment depending on altitude Expired FR898889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE898889X 1941-05-09

Publications (1)

Publication Number Publication Date
FR898889A true FR898889A (en) 1945-05-09

Family

ID=6849303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898889D Expired FR898889A (en) 1941-05-09 1943-10-15 Altitude inhaler with additional air adjustment depending on altitude

Country Status (1)

Country Link
FR (1) FR898889A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774352A (en) * 1952-03-28 1956-12-18 John H Emerson Breathing assistor valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774352A (en) * 1952-03-28 1956-12-18 John H Emerson Breathing assistor valve

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