Bubble silencer for an underwater voice communicator

Details Bubble silencer for an underwater voice communicator Bubble silencer for an underwater voice communicator

1984-07-31

1985-07-09

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181 18, 181175, 181198, 181252, 12820029, G10K 1100, F01N 712

Patent

active

045276587

ABSTRACT:
A bubble silencer for use with scuba equipment is comprised of a flat flexible enclosure attached to a scuba regulator valve. Exhaust bubbles issuing from the regulator into the enclosure coalesce into large air parcels to be expelled at low velocity through a rearward exit port. The large size and low velocity of the exhaust bubbles leaving the enclosure are much quieter than the small high velocity bubbles issuing from the regulator itself.

REFERENCES:
patent: 2485908 (1949-10-01), Morrow
patent: 3474782 (1969-10-01), Cupp
patent: 3521626 (1970-07-01), Hashimoto et al.
patent: 3568672 (1971-03-01), Cupp
patent: 4183422 (1980-01-01), Williams
patent: 4467797 (1984-08-01), Franke

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