B - Operations – Transporting – 63 – C
Patent
B - Operations, Transporting
63
C
126/2
B63C 11/28 (2006.01) A61F 7/08 (2006.01)
Patent
CA 1067366
ABSTRACT A submersible body warmer apparatus comprising a heat radiating casing body formed to retain a fuel and to define a combustion chamber for combusting the fuel and a heated air passage communicated with the combustion chamber, an exhaust opening also defined in the heat radiating casing body to com- municate the heated air passage with the outside of the heat radiating casing body, check valve disposed in the exhaust opening to close and open the latter when a water pressure is exerted on the check valve and when an inner air pressure in the heated air passage overcomes the water pressure, and air supply means for supplying air into the combustion chamber.
268688
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