Damping device for sonic waveguides
AssigneeMTS Systems Corporation
InventorsMichael L. Gloden, Arnold F. Sprecher, Jr.
Life of this patent
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Abstract
A damping element for use with a waveguide that supports a current pulse and results in a torsional or longitudinal strain wave is disclosed. The damping element is to dampen the reflection of the strain wave and includes a sleeve surrounding the waveguide and a mechanism for applying pressure on the sleeve so the sleeve exerts pressure on the waveguide, thereby gradually dampening the strain wave energy along the length of the waveguide surrounded by the damping element sleeve to prevent reflection of the strain wave.
Claims23
A damping element for use with a waveguide having an end remote from electronics connected to the waveguide, comprising:
- an inner, tubular sleeve coaxial with the waveguide and surrounding the waveguide;
- pressure means including an outer tubular sleeve coaxial with and surrounding said inner tubular sleeve for causing said inner, tubular sleeve to apply pressure to the waveguide along the length of the inner tubular sleeve.
A damping element for use with a waveguide having an end remote from electronics connected to the waveguide comprising:
- an inner sleeve coaxial with the waveguide and surrounding the waveguide;
- pressure means connected to said inner sleeve for causing said inner sleeve to apply pressure to the waveguide;
- a wire, said wire being adjacent to and insulated from the waveguide, said wire and the waveguide being surrounded by said inner sleeve.
A damping element for use with a waveguide having an end remote from electronics connected to the waveguide comprising:
- an inner sleeve coaxial with the waveguide and surrounding the waveguide;
- pressure means connected to said inner sleeve for causing said inner sleeve to apply pressure to the waveguide;
- wherein said inner sleeve includes a face, facing towards the electronics, said face being at an angle with respect to a plane perpendicular to the axis of the waveguide.
A damping element for use with a waveguide having an end remote from electronics connected to the waveguide, comprising:
- a primary sleeve coaxial with the waveguide and surrounding the waveguide having first damping characteristic to minimize reflection of said primary sleeve;
- secondary means coaxial with the waveguide and surrounding the waveguide, having second damping characteristics to minimize reflection of said secondary means;
- said secondary means located between said primary sleeve and the electronics;
- said second damping characteristics being less effective than said first damping characteristics.
Dependencies are inferred from the claim text.