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Lambertsen Amphibious Respiratory Unit information


The Lambertsen Amphibious Respiratory Unit (LARU) is an early model of closed circuit oxygen rebreather used by military frogmen. Christian J. Lambertsen designed a series of them in the US in 1940 (patent filing date: 16 Dec 1940) and in 1944 (issue date: 2 May 1944).[1]

  1. ^ Lambertsen's patent in Google Patents

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Lambertsen Amphibious Respiratory Unit

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Lambertsen Amphibious Respiratory Unit (LARU) is an early model of closed circuit oxygen rebreather used by military frogmen. Christian J. Lambertsen...

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Special Forces Underwater Operations

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Beret Combat Divers were first in the OSS Maritime Unit. The Lambertsen Amphibious Respiratory Unit (LARU) was the first closed-circuit re-breather adopted...

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Office of Strategic Services

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physician named Christian J. Lambertsen developed an oxygen rebreather set (the Lambertsen Amphibious Respiratory Unit) and demonstrated it to the OSS—after...

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Underwater Demolition Team

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Chris Lambertsen had developed the Lambertsen Amphibious Respiratory Unit (LARU), an oxygen rebreather, which was used by the Maritime Unit of the OSS...

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United States Navy SEALs

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Navy SEAL units. Perhaps the most important invention in the realm of special operations diving was the Lambertsen Amphibious Respiratory Unit (LARU) invented...

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Lake Nokomis

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bath house. In 1940, Dr. Chris Lambertsen performed about 12 Scuba dives in his Lambertsen Amphibious Respiratory Unit (LARU) prototype in Lake Nokomis...

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Omni Shoreham Hotel

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American flags flew outside the hotel. Dr. Chris Lambertsen demonstrated his Lambertsen Amphibious Respiratory Unit (LARU) MK II, an oxygen rebreather, to individuals...

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Jack Hendrick Taylor

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secret Lambertsen Amphibious Respiratory Unit for OSS officer Commander H. G. A. Woolley. The invention would eventually allow the Maritime Unit to undertake...

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LARU

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LARU and similar can mean: Lambertsen Amphibious Respiratory Unit, an early USA frogman's rebreather Laru language spoken in Africa Laru, Iran, a village...

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Index of underwater diving

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Russian nuclear submarine Lambertsen Amphibious Respiratory Unit (LARU) – Early closed circuit oxygen diving rebreather Lambertsen, Christian J. – American...

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Underwater demolition

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needed] In 1940, Christian J. Lambertsen demonstrated his semi-closed circuit rebreather, the Lambertsen Amphibious Respiratory Unit (LARU), for the U.S. Navy...

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Scuba set

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rebreather apparatus he had invented "Laru", an (acronym for Lambertsen Amphibious Respiratory Unit) but, in 1952, rejected the term "Laru" for "SCUBA" ("Self-Contained...

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Diving rebreather

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Drägerwerk LAR-V – Military oxygen rebreather by Drägerwerk Lambertsen Amphibious Respiratory Unit – Early closed circuit oxygen diving rebreather Porpoise –...

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Timeline of diving technology

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called his 1940-1944 rebreather LARU (for Lambertsen Amphibious Respiratory Unit) but as of 1952 Lambertsen renamed his invention and coined the acronym...

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Hypercapnia

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Phases 1 and 2". US Navy Experimental Diving Unit Technical Report. AD0784151. Lanphier EH, Lambertsen CJ, Funderburk LR (1956). "Nitrogen-Oxygen Mixture...

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Outline of underwater diving

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equipmentPages displaying short descriptions of redirect targets Lambertsen Amphibious Respiratory Unit – Early closed circuit oxygen diving rebreather Porpoise –...

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Oxygen toxicity

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toxicity attack "getting a Pete". In the decade following World War II, Lambertsen et al. made further discoveries on the effects of breathing oxygen under...

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Escape breathing apparatus

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(EEBD), and Respiratory Protective Smoke Escape Devices (RPED), are portable breathing apparatus that provide the wearer with respiratory protection for...

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Diving reflex

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during immersion. The increased respiratory and cardiac workload causes increased blood flow to the cardiac and respiratory muscles. Stroke volume is not...

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Oxygen therapy

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The American Review of Respiratory Disease. 140 (2): 531–54. doi:10.1164/ajrccm/140.2.531. PMID 2669581. Clark JM, Lambertsen CJ (May 1971). "Rate of...

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Asphyxia

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Other causes of oxygen deficiency include but are not limited to: Acute respiratory distress syndrome Carbon monoxide inhalation, such as that from a car...

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United States Navy Experimental Diving Unit

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The United States Navy Experimental Diving Unit (NEDU or NAVXDIVINGU) is the primary source of diving and hyperbaric operational guidance for the US Navy...

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Heliox

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blood) and eventually a weakening of the respiratory muscles due to exhaustion, which can lead to respiratory failure and require intubation and mechanical...

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Scuba diving

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"Self-Contained Underwater Breathing Apparatus" and was coined by Christian J. Lambertsen in a patent submitted in 1952. Scuba divers carry their own source of...

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Static apnea

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which allows the use of oxygen in preparation. It requires that the respiratory tract be immersed, with the body either in the water or at the surface...

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Thermal balance of the underwater diver

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moderate exposure period, even in very cold water. Body heat is lost by respiratory heat loss, by heating and humidifying (latent heat) inspired gas, and...

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Barotrauma

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receiving mechanical ventilation, but is most commonly associated with acute respiratory distress syndrome. It used to be the most common complication of mechanical...

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History of scuba diving

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the Lambertsen Amphibious Respirator Unit (LARU) was invented in the United States 1939 by Christian Lambertsen, and was patented in 1940. Lambertsen later...

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