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SustainX recibe la patente de sistema de control para tecnología de almacenamiento de energía


News provided by

SustainX

Mar 22, 2011, 02:08 ET

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WEST LEBANON, New Hampshire, March 22, 2011 /PRNewswire/ --

- Cuarta patente para la sociedad de riesgo empresarial de tres años

Se ha concedido una cuarta patente por el gobierno estadounidense a SustainX, una sociedad de capital de riesgo de tecnología de rápido crecimiento en el Líbano, New Hampshire. SustainX ha desarrollado una tecnología transformacional para almacenamiento de energía a escala de servicio utilizando aire comprimido. La nueva patente cubre métodos para controlar la forma en que el aire se expande y se comprime en dichos sistemas.

(Logo: https://photos.prnewswire.com/prnh/20110309/NE61497LOGO )

El almacenamiento de energía es esencial para hacer la red eléctrica más eficiente, según el Departamento de Energía de EE.UU., pero hasta el momento no ha habido tecnologías de almacenamiento asequibles disponibles. Para cubrir esta necesidad, SustainX comprime aire utilizando electricidad para impulsar pistones dentro de cilindros. El aire de alta presión resultante se almacena en buques en tierra. Para liberar energía en un momento posterior, el sistema utiliza aire almacenado para impulsar los mismos pistones, que a su vez impulsan un generador eléctrico.

La nueva patente de la compañía, n.degrees 7,900,444, cubre el uso de medidas de las condiciones dentro de los cilindros, como la temperatura o la presión, para mantener el aire a una temperatura casi constante durante la compresión y expansión. Un método para controlar la temperatura del aire es pulverizar agua en ellos. Manteniendo la temperatura del aire casi constante ("isotérmica"), SustainX mejora significativamente la eficiencia del almacenamiento de energía de aire comprimido.

"Esta patente, junto con otras tres concedidas a SustainX el año pasado, establece la compañía como líder mundial en almacenamiento de energía de aire comprimido isotérmica", dijo el director general y consejero delegado Thomas Zarrella.

Esta nueva patente, combinada con patentes emitidas previamente en compresión y expansión y en el intercambio de calor con un pozo termal o el entorno, fortalece la posición IP de SustainX en el campo del almacenamiento de energía de aire comprimido. Las patentes emitidas son generalmente suficientes para cubrir un amplio rango de sistemas isotérmicos, incluyendo los sistemas de SustainX existentes y los que están en desarrollo.

Acerca de SustainX

SustainX se fundó en 2007 por ingenieros en la Thayer School of Engineering en Dartmouth College. Ha recibido financiación del National Science Foundation Small Business Innovation Research Program y el Energy Storage Program en el Departamento de Energía de EE.UU., así como inversiones de capital de los principales inversores de capital de riesgo Rockport Capital (con oficinas en Menlo Park, CA y Boston), Polaris Venture Partners (Boston y Seattle), Cadent Energy Partners (Stamford, CT y Houston), y GE Energy Financial Services, una unidad de GE.

La tecnología de almacenamiento de energía transformadora de la compañía, que se llama ICAES(TM) (for Isothermal Compressed-Air Energy Storage), no utiliza combustible. Las ventajas competitivas de SustainX son el resultado de sus innovaciones termodinámicas patentadas y de control hidráulico, un diseño centrado en componentes industriales maduros, y basado en fluidos no tóxicos a temperatura ambiente.

SustainX ICAES se dirige al mercado emergente para almacenamiento de energía a granel (escala de red) creado por el crecimiento en la generación de renovables, y pretende interrumpir costosas plantas de "demanda alta" que queman gas natural u otros combustibles contaminantes.

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