Lodengraf damping - an advanced vibration damping technology

S V Sound and Vibration

Volumn 34, Issue 7, 2000, Pages 22-27

  Fricke, J Robert ^a,b  

^a Edge Innovations and Technology   (United States)

^b NONE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; DENSITY (SPECIFIC GRAVITY); FREQUENCIES; GRANULAR MATERIALS; STRUCTURES (BUILT OBJECTS); VIBRATION CONTROL;

LOW DENSITY GRANULAR MATERIALS; PASSIVE DAMPING TECHNOLOGY; STRUCTUREBORNE NOISE; STRUCTUREBORNE VIBRATIONS;

DAMPING;

EID: 0034229057     PISSN: 00381810     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (6)

1. Lodengraf™ is a trademark name and is used to describe technology associated with the use of low-density granular materials for attenuating structural vibrations. The technology is protected under U.S. Patent #5,775,049, #5,820,348, and #5,924,261, and further protection is being sought under a number of other pending U.S. and foreign patent applications. Edge Innovations & Technology, LLC controls all rights for the technology and trademark.
2. Fricke, J. Robert, and Hayner, Mark A., "Low-Density Fill for Damping Structural Vibrations," 130th Meeting, Acoustical Society of America, St. Louis, MO, Nov. 28, 1995.
3. Warwick, David, and Feit, David, "An Evaluation of Polyethylene Beads as a Damping Treatment for Tubular Truss Structures," Carderock Division Naval Surface Warfare Center, CDNSWC-SIG-94-146-7250, Oct. 1994.
4. Final Report for SBIR Project N96-269, Contract # N00024-97-C-4073, "Very Low Structureborne Noise Unit Enclosures for COTS Modules," prepared for Victor Gavin; Code PMS 425, Naval Sea Systems Command by J. Robert Fricke, RH Lyon Corp., Oct. 8, 1997.
5. Jeff Young, "Balfe Adjusting to Mental Game," The Tampa Tribune, Tuesday, April 22, 1997, pg. Polk-5.
6. Cremer, L., Heckl, M., and Ungar, E. E., Structure-Borne Sound, Springer-Verlag, Berlin (1988); see for fundamental discussions on beam and plate structureborne dynamics.