Vapor chamber heat flux rectifier and thermal switch

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United States of America Patent

PATENT NO 10066876
APP PUB NO 20180073814A1
SERIAL NO

15261063

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Embodiments of an evaporator chamber heat flux rectifier and thermal switch are provided. Some embodiments include an evaporator layer with a first thermally conductive surface, a wicking structure for facilitating evaporation of a fluid in the vapor chamber heat flux rectifier, and a condenser layer that includes a second thermally conductive surface. Some embodiments include a middle layer, where when heat is applied to the first thermally conductive surface, the vapor chamber heat flux rectifier operates as a thermal conductor. Some embodiments that operate as a thermal switch include a non-condensable gas reservoir that is coupled to the condenser layer. The non-condensable gas reservoir may store a non-condensable gas when a threshold heat flux is applied to the evaporator layer. The non-condensable gas provides thermal insulation between the evaporator layer and the condenser layer when the threshold heat flux is not applied to the evaporator layer.

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Patent Owner(s)

  • TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.; THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asheghi, Mehdi Palo Alto, US 17 87
Dede, Ercan M Ann Arbor, US 85 240
Goodson, Kenneth E Portola Valley, US 30 937
Palko, James W Redwood City, US 1 4
Zhou, Feng South Lyon, US 312 1403

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