Patent ID: 8727069
Filing Date: 2014-05-20
Classification: F16L,Y10T

Abstract:
1. An oscillating tube having a segmented coating for damping the tube, the tube comprising: a. the oscillating tube having a first end, an opposed second end and a fluid conduit defined by the tube extending between the first end and the second end, wherein the tube is subject to between about 60 Hz and about 2,000 Hz; b. the segmented damping coating covering in intimate contact a portion of the oscillating tube, the coated portion of the tube including at least about ten percent of an axial length of the tube extending between the first end and the second end of the tube, and the tube including at least one uncoated portion not covered by the segmented damping coating, the uncoated portion of the tube including greater than about ten percent of an axial length of the tube; and, c. wherein the segmented coating comprises material selected from the group consisting of polymers, polytetrafluoroethylene, single composition polymers, ceramic fibers, polymer fibers, reinforced polymer fibers including a polytetrafluoroethylene, ceramics, including monolithic and matrix ceramics, thermoplastics, carbon/graphite materials, silicon materials, and combinations thereof, tolerant of temperatures in a range of between about 260 degrees Celsius and about 371.11 degrees Celsius and coated on the tube to a thickness that is no greater than about 0.636 millimeters.