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, L | Issue Date: | 3-Feb-2004 | Source: | 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. | Keywords: | Food preparation device Smart spring Shape memory alloy |
Rights: | Assignee: The Hong Kong Polytechnic University. |
| Appears in Collections: | Patent |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| us6686564b2.pdf | 381.13 kB | Adobe PDF | View/Open |
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