Composite acoustic attenuation materials

Details Composite acoustic attenuation materials Composite acoustic attenuation materials

2007-08-28

2007-08-28

Lobo, Ian J. (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Sonar counter-measures

C181S284000, C181S290000

Reexamination Certificate

active

10956529

ABSTRACT:
The present invention provides means of enhancing the acoustic attenuation and vibration damping of a material by (1) embedding a plurality of small particles of either a high characteristic acoustic impedance or a low characteristic acoustic impedance or combinations of high and low characteristic acoustic impedance materials to form a matrix material to act as a acoustic attenuator or vibration damper; and (2) combing this matrix material with a second layer of a decoupling material that serves to effectively isolate the matrix material and reduce its tendency to vibrate sympathetically to the impinging acoustic energy. The mass of the resultant material may be very low while retaining excellent acoustic attenuation, vibration damping, and structural characteristics.

REFERENCES:
patent: 5400296 (1995-03-01), Cushman et al.
patent: 5622662 (1997-04-01), Veiga et al.
patent: 5706249 (1998-01-01), Cushman
patent: 5745434 (1998-04-01), Cushman
patent: 5754491 (1998-05-01), Cushman
patent: 5920911 (1999-07-01), Cushman
patent: 2005/0038160 (2005-02-01), Hall et al.

Affiliated with

Also associated with

Rating

Composite acoustic attenuation materials does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Composite acoustic attenuation materials, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Composite acoustic attenuation materials will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3888360