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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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Patent application: Exhaust system with actuated flow bypass

Ben Welter - Friday, February 15, 2019

U.S. patent application 20190053330 (Watlow Electric Manufacturing Co., St. Lous, Mo.):

"An exhaust system is provided that includes an exhaust aftertreatment unit, first and second exhaust pathway in communication with and upstream of the exhaust aftertreatment unit, a thermally activated flow control device operable in a first and second mode, and a thermal storage device. ... The thermal storage device or thermal flywheel may also include a phase change material, an in one form a phase change material that changes phase at a temperature between 180° C. and 45° C."

http://www.freepatentsonline.com/20190053330.pdf

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