Acoustics – Sound-modifying means – Mechanical vibration attenuator
Patent
1986-02-11
1987-12-15
Bryant, III, James E.
Acoustics
Sound-modifying means
Mechanical vibration attenuator
138121, 138122, 138173, 60322, F16F 700
Patent
active
047126426
ABSTRACT:
A conduit is adapted for use in an environment where it is subjected to excessive vibration. An example of such an environment is the exhaust system on an engine. To preclude material fatigue responsive to such vibration, successive convolutions are varied in height, thickness, slope, spacing, or a combination thereof. Hence, each incremental length of the conduit has a different resonant frequency as compared to the resonance frequency of its adjacent neighboring incremental lengths so that there is no overall high amplitude resonance along the entire length of the conduit, taken as a whole. On the other hand, once the resonance is sufficient to provide self-damping, efforts should be made to maximize the uniformity of vibration response so that bending forces will not be concentrated in one area of the conduit.
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Lalikos James M.
Waite Harold K.
Bernat Louis
Bryant III James E.
Titeflex Corporation
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