Breathing apparatus

Claim 1

BREATHING APPARATUS CHARACTERIZED BY A LIQUID GAS CONVERTER COMPRISING: AN INSULATED CONTAINER PROVIDED WITH INLET MEANS AND OUTLET MEANS; A LIQUID TRAP HAVING AN INLET IN COMMUNICATION WITH SAID OUTLET MEANS OF SAID CONTAINER, AND HAVING A FIRST OUTLET AND A SECOND OUTLET DISPOSED RESPECTIVELY AT THE UPPER AND AT THE LOWER PORTIONS OF SAID LIQUID TRAP; A SUPPLY CIRCUIT IN COMMUNICATION WITH SAID FIRST OUTLET OF SAID LIQUID TRAP; A RECIRCULATING CIRCUIT CONNECTING SAID SECOND OUTLET OF SAID LIQUID TRAP TO SAID INLET MEANS OF SAID CONTAINER AND INCLUDING VAPORIZING MEANS SUCH THAT LIQUID CONTAINED WITHIN SAID LIQUID TRAP IS VAPORIZED BY SAID VAPORIZING MEANS OF SAID RECIRCULATING CIRCUIT AND RETURNED TO SAID CONTAINER BY WAY OF SAID INLET MEANS THEREOF, THE GAS THUS RETURNED BEING AT A HIGHER TEMPERATURE THAN GAS STORED THEREIN, THEREBY WARMING AS WELL AS MIXING WITH THE MAIN VOLUME OF LIQUID GAS TO DISTURB SAID MAIN VOLUME AND PREVENT THE FORMATION OF WARM LAYERS, THEREBY MAINTAINING SUFFICIENT DELIVERY PRESSURE WITHIN SAID CONTAINER ALTHOUGH SAID CONTAINER MAY BE INVERTED OR SEVERELY SHAKEN.