Shock Sensitive Circuit Breaker
Navy SBIR FY2010.3


Sol No.: Navy SBIR FY2010.3
Topic No.: N103-222
Topic Title: Shock Sensitive Circuit Breaker
Proposal No.: N103-222-0343
Firm: QorTek, Inc.
1965 Lycoming Creek Road
Suite 205
Williamsport, Pennsylvania 17701-1294
Contact: Ross Bird
Phone: (570) 322-2700
Web Site: www.qortek.com
Abstract: The proposed highly ruggedized Shock Sensitive Circuit Breaker is a large step forward in technology, enabling the benefits of true safety with the inherent ability to add digital electrical interrogation to power systems. The new electrical circuit breaker is designed to operate over a wide range of voltages transparently in the shipboard environment with effect only realized during high shock application to the breaker. During high shock events the breaker achieves guaranteed OFF state (power interrupt) in rapid response to large (pulse) shock event. As a sensor technology alone the very compact and rugged device offers several advantages over conventional sensors such as piezoelectric, fiber optic, magnetic technology: It is very resilient to ambient electrical noise and it is extremely immune to damage induced by up to 1000x over-pressures. The new pressure device requires far less post-processing of the output signal than conventional pressure devices, requiring much fewer additional electronics components to process the raw sensor output for use by the system.
Benefits: The technology is directly applicable to a broad range of military and industrial power distribution systems as development of long-life, environmentally stable, low-cost pressure sensitive circuit breaker. Additionally the pressure sensor itself has a vast array of application from underwater acoustics and mechanical vibration sensors to microelectronics and Unmanned Aerial Vehicles (UAV). The plan is to rapidly and effectively translate the Metaplastic enabled circuit breaker to shipboard military system, industrial equipment and commercial sensor applications. By closely working with a leading US `back-end' packaging operation, the goal will be to provide a highly rugged and reliable packaging approach to allow use in many additional military and commercial (non-military) applications.

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