Resodyn Acoustic Mixers Inc (RAM)

(RAM), Resodyn Acoustic Mixers manufactures an innovative, unique, non-contact mixing technology that uses low frequency acoustic energy to mix a wide range of materials. RAM is able to mix powders, liquids and viscous materials with ease. Mixing is accomplished in virtually any sealed container, eliminating contamination or clean up concerns. Mix a few grams to hundreds of kilos using RAM.

Company details

130 N. Main St., Suite 630 , Butte , Montana 59701 USA

Locations Served

Business Type:
Industry Type:
Manufacturing, Other
Market Focus:
Internationally (various countries)


Resodyn Acoustic Mixers, Inc., provides advanced solutions for a broad range of industrial mixing problems. Service and equipment solutions (RAM Mixers) are based on the company’s proprietary technology, ResonantAcoustic Mixing, for which a U.S. Patent was issued in March, 2007.

Our vision is to enable our customers to achieve a level of product quality and manufacturing competitiveness never before thought possible. We have a highly skilled and experienced engineering staff capable of developing custom mixing equipment utilizing the ResonantAcoustic technology for specialized applications.

RAM mixer products are supported by our state-of-the-art design and manufacturing capabilities. We invest heavily in our manufacturing supply chain and the most critical operations are performed at our facility. Lean manufacturing techniques and continuous improvement strategies are combined to ensure the highest product quality, the highest reliability, and the lowest cost.

Our business is built on a strong foundation of integrity, sense of community and accountability. Resodyn Acoustic Mixers, Inc., is an affiliate of the Resodyn Corporation, recognized as a world-class leader in providing innovative engineering solutions to industry and government entities. Founded in 1994, Resodyn Corporation has successfully developed and commercialized vanguard technologies and processes, including the development of the ResonantAcoustic mixing technology.


ResonantAcoustic Mixing Technology Solves Mixing and Dispersion Problems Characteristic of other Commercial Mixers

ResonantAcoustic Mixing is a new approach to mixing and dispersion of materials ranging from nanoparticle suspensions to viscous gels. It is distinct from conventional impeller agitation found in a planetary mixer or speed mixer as well as ultrasonic mixing. Low frequency, high-intensity acoustic energy is used to create a uniform shear field throughout the entire mixing vessel. The result is rapid fluidization (like a fluidized bed) and dispersion of material. The mixing benefits are applicable to a wide variety of compounds.

ResonantAcoustic Mixing differs from ultrasonic mixing in that the frequency of acoustic energy is orders of magnitude lower. As a result, the scale of mixing is larger.  Unlike impeller agitation, which mixes by inducing bulk flow, the mixing occurs on a microscale throughout the mixing volume. Resodyn Acoustic Mixers, Inc., offers a line of RAM mixers based on the ResonantAcoustic technology to meet your mixing needs from product development to full-scale manufacturing.


How ResonantAcoustic Mixing Works

ResonantAcoustic Mixing introduces acoustic energy into liquids, slurries, powders and pastes. An oscillating mechanical driver creates motion in a mechanical system comprised of engineered plates, eccentric weights and springs. This energy is then acoustically transferred to the material to be mixed. The underlying technology principle is that the system operates at resonance. In this mode, there is a nearly complete exchange of energy between the mass elements and the spring elements in the mechanical system.

In a ResonantAcoustic mixer, the only element that absorbs energy (apart from some negligible friction losses) is the mix load itself. Thus, the ResonantAcoustic Mixer provides a highly efficient way of transferring mechanical energy directly into the mixing materials.  As an example,  a ResonantAcoustic mixer using 40 HP would require over 770 HP in a non-resonant equipment configuration to mix the same load.