Submarine hull structures providing acoustically isolated hull o

Details Submarine hull structures providing acoustically isolated hull o Submarine hull structures providing acoustically isolated hull o

1994-06-30

1995-02-14

Eldred, J. Woodrow

Acoustics

Miscellaneous

440 52, 440 83, 440112, 277 48, 277DIG8, 277DIG9, 114312, 114238, 114337, G10K 1100, B63H 115, B65D 5300

Patent

active

053897463

ABSTRACT:
An acoustic isolation structure providing an acoustically isolated opening nd comprising coaxial inner and outer annular structural members defining an irregular annulus between them. Acoustical isolation material is provided within this annulus to acoustically uncouple the two members. Radially overlapping structural rings extending from the members into the annulus limit lateral movement of the inner member and preserve the generally coaxial relation of the members.

REFERENCES:
patent: 4523538 (1985-06-01), Hollmann et al.
patent: 4755154 (1988-07-01), Ewbank
patent: 4884985 (1989-12-01), Dyrkorn
patent: 4913671 (1990-04-01), Gavriles et al.
patent: 5158030 (1992-10-01), DuBois et al.

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