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Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/155

Title: Food preparation device with smart spring
Authors: Zhou, Limin
Subjects: Food preparation device
Smart spring
Shape memory alloy
Issue Date: 3-Feb-2004
Citation: US Patent 6,686,564 B2. Washington, DC: US Patent and Trademark Office, 2004.
Abstract: A food preparation device such as toaster includes a chassis, a heating element, and a carriage for directly or indirectly supporting a food item. The carriage is movable with respect to the chassis to move the food item to or from a cooking position adjacent to the heating element. A Shape Memory Alloy resistance member is connected between the carriage and the chassis. Electric circuitry controls voltage/current to the Shape Memory Alloy resistance member to selectively heat the resistance member and alter its shape to move the carriage to or from the cooking position.
Rights: Assignee: The Hong Kong Polytechnic University.
Type: Patent
URI: http://hdl.handle.net/10397/155
Appears in Collections:ME Patents
Patents of PolyU

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