1992-03-22
1992-10-27
Steinberger, Brian S.
Ships
Torpedoes
248580, 277 97, 277DIG9, 384222, B63H 2108
Patent
active
051580306
ABSTRACT:
A damped flexible seal assembly for a torpedo isolates the tailcone thereof rom vibrational energy present in the drive shaft assembly. A pair of outside flanges, each of which include an inwardly facing groove and an O-ring constrained therein, provide a watertight seal against the outer non-rotating surface of the drive shaft assembly. An inside flange includes an outwardly-facing groove and an O-ring constrained therein, and provides a watertight seal against the inner surface of the tail cone. Two cast-in-place elastomeric seals provide a watertight seal between the flanges and further provide a damping barrier between the outside flanges and the inside flanges for damping vibrational energy present in the drive shaft assembly before the energy can reach the tailcone through the seal assembly.
REFERENCES:
patent: 2166259 (1939-07-01), Meyer
patent: 2977919 (1961-04-01), Blake
patent: 3139056 (1964-06-01), Boswell et al.
patent: 4668110 (1987-05-01), Egeto et al.
patent: 4755154 (1988-07-01), Ewbank
patent: 5040764 (1991-08-01), DuBois
Amaral Antonio M.
DuBois Neil J.
Lall Prithvi C.
McGowan Michael J.
Oglo Michael F.
Steinberger Brian S.
The United States of America as represented by the Secretary of
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