Ships – Submersible device – Diver assistance device
Patent
1993-08-18
1994-07-12
Avila, Stephen P.
Ships
Submersible device
Diver assistance device
12820127, 12820214, 405186, B63C 1146
Patent
active
053278496
ABSTRACT:
A floating apparatus for providing pressurized air to a submerged swimmer. A floatation device supports a combination of two containers above the surface of the water. The top container, in the form of an inverted box, holds one or more electrically powered compressors. The bottom container holds a battery for powering the compressors. Water ingestion by the compressor(s) is prevented by placing the air intake inside the upper box, which forms an air trap. The air intake and compressors are isolated from any possible contamination or explosion risk from the battery outgassing, which is safely vented to the outside air from the lower compartment. Battery life is extended by pressure switch controls on the air compressor(s), running them on demand instead of continuously.
REFERENCES:
patent: 2593988 (1952-04-01), Cousteau
patent: 3400680 (1968-09-01), Taylor
patent: 3630165 (1971-12-01), Bottger
patent: 3757719 (1973-09-01), Strickland
patent: 3795213 (1974-03-01), Strickland
patent: 4276851 (1981-07-01), Coleman
patent: 4288176 (1981-09-01), Devine
patent: 4348976 (1982-09-01), Gilbert
patent: 4674493 (1987-06-01), Mitchell
Avila Stephen P.
Keene Engineering, Inc.
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