CA976833A - Self-contained closed circuit breathing apparatus - Google Patents

Self-contained closed circuit breathing apparatus

Info

Publication number
CA976833A
CA976833A CA188,965A CA188965A CA976833A CA 976833 A CA976833 A CA 976833A CA 188965 A CA188965 A CA 188965A CA 976833 A CA976833 A CA 976833A
Authority
CA
Canada
Prior art keywords
self
closed circuit
breathing apparatus
circuit breathing
contained closed
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
CA188,965A
Inventor
Paul A. Laviolette
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of CA976833A publication Critical patent/CA976833A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/10—Respiratory apparatus with filter elements
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/08—Respiratory apparatus containing chemicals producing oxygen

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Emergency Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
CA188,965A 1973-01-29 1973-12-27 Self-contained closed circuit breathing apparatus Expired CA976833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00327769A US3837337A (en) 1973-01-29 1973-01-29 Self-contained closed circuit breathing apparatus

Publications (1)

Publication Number Publication Date
CA976833A true CA976833A (en) 1975-10-28

Family

ID=23277987

Family Applications (1)

Application Number Title Priority Date Filing Date
CA188,965A Expired CA976833A (en) 1973-01-29 1973-12-27 Self-contained closed circuit breathing apparatus

Country Status (3)

Country Link
US (1) US3837337A (en)
AU (1) AU6437374A (en)
CA (1) CA976833A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245632A (en) * 1979-09-12 1981-01-20 S.C.A.B.A., Inc. Underwater breathing apparatus
US4299216A (en) * 1979-10-17 1981-11-10 The United States Of America As Represented By The Secretary Of The Interior Self-contained closed circuit breathing apparatus having a balanced breathing resistance system
DE3202638A1 (en) * 1982-01-28 1983-08-18 Drägerwerk AG, 2400 Lübeck RESPIRATORY DEVICE WITH BREATHING AIR CIRCUIT
GB2169810B (en) * 1985-01-11 1988-05-25 Coal Ind Simulator
DE3515030A1 (en) * 1985-04-25 1986-10-30 Drägerwerk AG, 2400 Lübeck RESPIRATORY DEVICE WITH BREATHING AIR CIRCUIT
GB2188553A (en) * 1986-04-02 1987-10-07 Coal Ind Improved breathing apparatus
US4879996A (en) * 1987-01-13 1989-11-14 Harwood Jr Van N Closed circuit breathing apparatus
DE3901581A1 (en) * 1989-01-20 1990-08-02 Draegerwerk Ag RESPIRATORY DEVICE WITH OVERPRESSURE IN A CIRCUIT
US4964404A (en) * 1989-04-19 1990-10-23 Stone William C Breathing apparatus
GB2234440B (en) * 1989-07-19 1993-04-14 Sabre Safety Ltd Respiratory protective apparatus
US5711296A (en) * 1991-09-12 1998-01-27 The United States Of America As Represented By The Department Of Health And Human Services Continuous positive airway pressure system
US5299567A (en) * 1992-09-29 1994-04-05 The United States Of America As Represented By The Secretary Of The Navy Minimal elastance, closed-circuit underwater breathing apparatus
US5315988A (en) * 1992-09-29 1994-05-31 The United States Of America As Represented By The Secretary Of The Navy Reactive, closed-circuit underwater breathing apparatus
US5582164A (en) * 1995-03-14 1996-12-10 Stan A. Sanders Cassette size, pressurized O2 coil structure
US5517984A (en) * 1995-03-14 1996-05-21 Stan A. Sanders Multiple layer pressurized O2 coil package
US6192884B1 (en) * 1998-05-22 2001-02-27 Duke University Method and apparatus for supplemental oxygen delivery
GB0603725D0 (en) * 2006-02-24 2006-04-05 Mcmorrow Roger Breathing apparatus
US20100163046A1 (en) * 2006-03-28 2010-07-01 Joseph Fisher Method and apparatus for ventilation assistance
US9084859B2 (en) 2011-03-14 2015-07-21 Sleepnea Llc Energy-harvesting respiratory method and device
EP3166671B1 (en) * 2014-07-10 2019-09-04 Fisher & Paykel Healthcare Limited Metal-organic framework materials in gases delivery systems
EP4132277A1 (en) 2020-04-05 2023-02-15 Mong, Michael Systems and methods for treating coronavirus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE461873C (en) * 1924-12-24 1928-07-02 Auergesellschaft Gmbh Oxygen breathing apparatus
US2998009A (en) * 1952-05-23 1961-08-29 Old Dominion Res And Dev Corp Breathing apparatus
DE1031137B (en) * 1952-12-19 1958-05-29 Draegerwerk Ag Breathing apparatus to be worn on the back
DE1155357B (en) * 1960-01-25 1963-10-03 Draegerwerk Ag Breathing device for diving to greater depths
US3402711A (en) * 1964-01-06 1968-09-24 Westinghouse Electric Corp Breathing apparatus
US3396725A (en) * 1964-01-17 1968-08-13 Drager Otto H Respirator with negative pressure limiting valve
FR1516113A (en) * 1967-01-23 1968-03-08 Pulmonary insufflator
US3513843A (en) * 1967-07-05 1970-05-26 Gertrude Exler Respiratory device for rebreathing carbon dioxide

Also Published As

Publication number Publication date
US3837337A (en) 1974-09-24
AU6437374A (en) 1975-07-10

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