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Commercial Development of a Multi-Use Personal Ventilation/Filtration System

Primary Partner: Propulsive Wing, LLC
Project Type: TAD 2007
Web Address: www.personalbreeze.com

Technical Description:
This material is based upon work supported by the United States Environmental Protection Agency under Award Number EPA 05 X-83232501-0.

Allergens and other contaminants in public places adversely affect many people. Poor air quality results in reduced productivity at work, and airplane travelers are often exposed to diseases from other passengers. One potential solution is through the use of personal air ventilation systems, or PAVs; however, the current technology lags the need tremendously.

Through funding from the Syracuse Center of Excellence, Propulsive Wing, LLC, in collaboration with Allred & Associates, Inc. and Syracuse University, has developed a unique personal air purifier system to reduce contaminant and allergen exposure, delivering clean, fresh air to an individual. This methodology utilizes an individual’s thermal plume to enhance cleaning effectiveness, is compact, quiet, and consumes only 2 Watts of power. In addition to air quality improvement, the unit interfaces with a computer for power, control, and performance monitoring.

 

Expected Outcomes:

Multiple prototypes were manufactured and tested for cleaning effectiveness and power consumption. Integration within an office workspace was a key design driver. Digital control circuitry was developed along with custom Windows interface software, including a built-in function to simulate the random fluctuations present in natural breeze.

Accomplishments:

Using analytical, computational, and experimental tools, a patent-pending personal air purifier system was developed to reduce contaminant exposure in the breathing space of an individual. Computational fluid dynamics simulations of the personal environment and the Personal Breeze device were used to optimize the design.he Building Energy and Environmental Systems Laboratory at Syracuse University. Specialized particle and VOC filter media was developed through the course of this work. Results show dramatic air quality improvement and targeted delivery of this filtered air to the user, with contaminant levels reduced by 50% or more at the breathing zone. Prototype units were built and tested by the Building Energy and Environmental Systems Laboratory at Syracuse University. Specialized particle and VOC filter media was developed through the course of this work. Results show dramatic air quality improvement and targeted delivery of this filtered air to the user, with contaminant levels reduced by 50% or more at the breathing zone.

In addition to the development of the Personal Breeze prototypes, a filter testing device was designed and built with the unique ability to evaluate up to 5 different particle filter media samples simultaneously. This piece of equipment includes an inlet pre-filter, ports for particle generation and seeding into a mixing box, pressure drop measurement across each sample filter, upstream and downstream particle sampling, flow rate measurement, and flow control through each sample.

Since the completion of the funded work, Propulsive Wing, LLC has continued work on the product, filing additional patent applications related to adding heating and cooling, humidification and dehumidification, and several other capabilities to the system. Additionally, a scaled-up version for use as a room air purifier was developed. This larger floor-standing model is similar to products currently available at major retail stores in form and function; however, by utilizing the patent-pending filter configuration developed for the smaller Personal Breeze, this unit provides twice the performance (in terms of flow rate and level of filtration) as currently available units.

Benefits:
This technology provides increased air quality via a personal air ventilation and purification system that can result in increased productivity at work and less exposure to diseases and allergens in public places.

For more information:www.personalbreeze.com

Publications and Presentations:
Dr. Kummer gave a presentation on September 29, 2008 at the SyracuseCoE Symposium on Environmental & Energy Systems. Also presented at the conference were two posters on the project, as well as demonstrations of the latest Personal Breeze prototypes and the filter testing device. Dr. Kummer also gave a presentation on December 4, 2008 for the Center of Excellence Scientific Advisory Committee at the Renaissance Hotel in Syracuse.

Patent Applications: A provisional patent application was submitted to the U.S. Patent Office on September 26, 2007. A utility patent application was filed on September 25, 2008. Additional patent applications were filed on February 9, 2009 and February 8, 2010.

AirPurifier1.jpgAirPurifier2.jpg

Personal Breeze Air Purifier System
Photo Credit: Personal Breeze/Propulsive Wing LLC, Elbridge, NY

Researcher Information:

http://www.propulsivewing.com/index.shtml

http://www.ecs.syr.edu/alumni/Events/eweek_joekummer09.aspx



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