Blog Archives

Active Feedback-Controlled Boom Noise Damping/Absorption in Large Vehicles

Large vehicles, such as SUVs (Sport Utility Vehicle) and minivans, exhibit body boom phenomena during multiple source excitation events including rough road/impact and powertrain induced events. The main cause of the boom is the low-frequency acoustic/vibro-acoustic modes of the cavity
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Vibration Isolation of Large Transformers

In a recent application, DEICON was asked to further improve the structure-borne noise reduction of two large transformers (9000 pounds, each) installed in a multi-story residential building. The transformers were housed in sound proofed rooms and isolated from the floor
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Active Tuned Acoustic Damper

Active tuned The application of DEICON’s patented, active acoustic damper/absorber in adding low-frequency modal damping to small rooms (listening rooms, recording studios, home theaters) is licensed to Modular Sound (the reputable manufacturer of Bag End professional grade speakers). Bag End manufactures electronic
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Active and Semi-active Vibration Isolation

The conflicting nature of vibration and shock isolation requirements, necessitates design compromises in realizing mounting schemes for systems subject to both vibration and shock perturbations. To avoid making such design compromises, one needs to pursue active and semi-active isolation solutions.
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Vibration and Shock Isolation

DEICON, Inc. was invited to make a presentation on shock and vibration isolation at the global superyacht forum in Amsterdam. The following is an excerpt of the talk. There exist a number of different isolation schemes, e.g., single mounting, double
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