METHOD OF DETERMINING A HEAT TRANSFER CONDITION FROM A RESISTANCE CHARACTERISTIC OF A SHAPE MEMORY ALLOY ELEMENT

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United States of America Patent

APP PUB NO 20120109573A1
SERIAL NO

12938683

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Abstract

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A method of sensing an ambient heat transfer condition surrounding a shape memory alloy element includes heating the shape memory alloy element, sensing the resistance of the shape memory alloy element, and measuring the period of time taken to heat the shape memory alloy element to a pre-determined level of a resistance characteristic. The ambient heat transfer condition surrounding the shape memory alloy element is calculated by referencing a relationship between the period of time taken to heat the shape memory alloy to the pre-determined level of the resistance characteristic and the ambient heat transfer condition.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 DETROIT MI 48265

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Browne, Alan L Grosse Pointe, US 345 6397
Gao, Xiujie Troy, US 98 1018
Hao, Lei Troy, US 141 777
Henry, Christopher P Thousand Oaks, US 77 1059
Herrera, Guillermo A Winnetka, US 62 959
Johnson, Nancy L Northville, US 367 5731
Keefe, Andrew C Encino, US 57 743
McKnight, Geoffrey P Los Angeles, US 117 1253

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