KCF Technologies is developing a robust and efficient sound generator for separation/isolation of aerosols in HVAC filters. The primary solution is a new, high intensity piezoelectric sound generator combined with a Helmholtz resonator. Conventional piezoelectric sound generators experience degradation in performance over long periods of operation, poor electro-acoustic efficiencies at high amplitude drive levels, and large tolerances in their acoustic performance. KCF is solving these performance limitations with a redesign of the piezo device, boundary condition, acoustic resonator and system housing. Applications include enhancements to HVAC systems and other air filters in industrial processes.
Funding source: Engineer Research and Development Center – Construction Engineering Research Laboratory (ERDC-CERL) SBIR CBD11-108