Dynamic two frequency vibration damper

Details Dynamic two frequency vibration damper Dynamic two frequency vibration damper

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 15/00 (2006.01) F16F 7/10 (2006.01)

Patent

CA 2087669

Dynamic vibration damper (1a;1b) which includes a flexible bar (3), devices (13;19) which fix bar (3) in a cantilever position to a structure (2) whose vibrations we intend to dampen, and a pendulum (5) connected to the free end of the bar and dimensioned so as to offer a mass (m) which sets a first eigenfrequency of vibration (f1) and a moment of inertia (J m) which sets a second eigenfrequency of vibration (f2) at a desired level, where the first and the second eigenfrequency (f1 and f2) are suitably equal to the fundamental frequency and first harmonic frequency of the excitation to which the structure (2) is subjected.

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