Patent ID: 6170483
Filing Date: 2001-01-09
Classification: B63C

Abstract:
Self-contained diving equipment comprising:a compressed air tank, a breathing nozzle, a first flexible air tube connecting the compressed air tank to the breathing nozzle to supply air to the breathing nozzle;an external air intake a compressor, a second tube connecting the compressor to the compressed air tank to supply air to the tank, apparatus for operating the compressor for refilling the compressed air tank when the external air intake is not submerged and to interrupt the refilling of the compressed air tank when the external air supply is submerged including a device for controlling starting and stopping refilling of the tank;a third tube connecting the external air intake to the breathing nozzle for insuring direct admission of surface air to the external air intake when the external air intake is not submerged; a fourth tube for supplying air from the external air intake to the compressor;a snorkel between the external air intake and the third tube to the breathing nozzle and between the external air intake and the compressor, the snorkel provided with first means for opening and closing the third tube between the external air intake to the snorkel and the breathing nozzle and with second means for opening and closing the fourth tube connecting the external air intake to the compressor.