Hydrophone damper assembly

Details Hydrophone damper assembly Hydrophone damper assembly

1974-08-26

1976-01-06

Blix, Trygve M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340 2, 340 3T, 340 7R, 340 8R, B63B 2152, B63B 5102

Patent

active

RE0286710

ABSTRACT:
A damper for use in submerged hydrophone suspension systems including an elongated mass cylinder defined by a tube of flexible synthetic plastic film utilizing a check valve located at each end permitting water to enter the tube and preventing egress. Additionally, each tube end is provided with a disk transversely disposed to the tube length and of a diameter substantially greater than that of the tube to provide drag and hydrodynamic mass damping. The tube and disk are of a configuration to eliminate vortex shedding and the entire damper assembly is capable of being folded and packed within a concise configuration prior to deployment.

REFERENCES:
patent: 2790186 (1957-04-01), Carapellotti
patent: 3329015 (1967-07-01), Bakeke et al.
patent: 3377615 (1968-04-01), Lutes
patent: 3543228 (1970-11-01), Farmer
patent: 3543228 (1970-11-01), Farmer et al.
patent: 3711821 (1973-01-01), Dale et al.
patent: 3720909 (1973-03-01), Sikora
patent: 3803540 (1974-04-01), Mar et al.

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