Marine propulsion – Screw propeller – With vibration dampening
Patent
1986-12-22
1988-07-05
Peters, Jr., Joseph F.
Marine propulsion
Screw propeller
With vibration dampening
248560, 248634, B63H 115
Patent
active
047551542
ABSTRACT:
Noise transmission problems in a torpedo or the like are avoided through the use of a vibration isolating mount 16 to mount various components to the hull 10. The mount 16 includes a generally vertical ring 60 having a vertical, axially facing surface 66 and mounting means 62 for mounting the ring to the hull 10 or the like. Also included is a generally vertical, annular yoke 76 having a vertical, axially facing surface 80 aligned with, spaced from and facing the ring surface 66 and having mounting means 92, 94 for securing the yoke to an object 14, 18 subject to vibration. At least one soft, elastomeric pad 90 extends horizontally between the ring 60 and the yoke 76, the pad 90 being disposed between the surfaces 66 and 80 and bonded thereto. The pad 90 will always be in shear to provide good attenuation and occasionally will be placed in tension or compression when relative movement between the ring 60 and the yoke 76 having an axial component occurs.
REFERENCES:
patent: 2044713 (1936-06-01), Trott
patent: 2264895 (1941-12-01), Starr
patent: 2644420 (1953-07-01), Irgens
patent: 2830780 (1958-04-01), Schloss
patent: 2891743 (1959-06-01), Bligard et al.
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patent: 3130700 (1964-04-01), Peterson
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patent: 4463454 (1984-07-01), Hemond et al.
patent: 4546848 (1985-10-01), Iijima et al.
patent: 4645190 (1987-02-01), Schad
Avila Stephen P.
Peters Jr. Joseph F.
Sundstrand Corporation
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