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The award-winning Phase Change Matters blog tracks the latest news and research on phase change materials and thermal energy storage. E-mail tips and comments to Ben Welter, communications director at Entropy Solutions. Follow the blog on Twitter at @PureTemp. Subscribe to the weekly PCM newsletter. Or join the discussion on LinkedIn.

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New patent: Thermal energy storage device

Ben Welter - Wednesday, March 04, 2015

U.S. patent 8966902, "Storage and recovery of thermal energy based on counter current principle of heat transfer medium transportation": "A thermal energy storage device is provided. The device has a heat exchanger arrangement for guiding a flow of a heat transfer medium between a first end and a second end of the heat exchanger arrangement, and a heat storage material surrounding the heat exchanger arrangement." 

http://www.freepatentsonline.com/8966902.pdf

Patent application: Composite construction panels and applications

Ben Welter - Friday, February 27, 2015

U.S. patent application 20150056404 (assignee Phase Change Energy Solutions Inc.):

"In some embodiments, a composite construction panel comprises a substrate layer, a cover layer separated from the substrate layer by one or more spacers, and at least one mat disposed between the substrate layer and the cover layer, wherein the mat comprises at least one phase change material disposed in at least one phase change region."

Patent application: Heat recovery system incorporating PCMs

Ben Welter - Tuesday, February 24, 2015

U.S. patent application 20150047579:

"A heat recovery system arranged to heat water includes at least one heat exchanger arranged to heat water by heat exchange with waste heat. ... A preferred type of heat storage unit for this aspect of the invention are those containing phase change materials in order to access the latent heat associated with phase change."

http://www.freepatentsonline.com/20150047579.pdf