Tuned self-damping convoluted conduit

Details Tuned self-damping convoluted conduit Tuned self-damping convoluted conduit

1986-07-11

1989-08-08

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Mechanical vibration attenuator

181227, 138131, 138132, 138133, 138137, 138138, 138139, 60322, F16F 1500

Patent

active

048544167

ABSTRACT:
A tuned convoluted conduit assembly is especially well adapted for use in hostile environments subject to vibrations which bring on fatigue failures. To prevent the conduit from having a uniform resonance throughout its length, the convolutions have a variable wall thickness. One way this variable wall thickness may be achieved is by forming the conduit walls by wrapping tape in successive layers to form a multiple layered wall. The width of the tape may be such that each alternate convolution has more layers than its two adjacent neighboring convolutions. A sleeve or stocking loosely fits over the conduit and is clamped by a band onto the conduit to prevent vibration of the conduit at that clamped location.

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