Thermally actuated thermionic switch

Title: Thermally actuated thermionic switch

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Abstract

A thermally actuated thermionic switch which responds to an increase of temperature by changing from a high impedance to a low impedance at a predictable temperature set point. The switch has a bistable operation mode switching only on temperature increases. The thermionic material may be a metal which is liquid at the desired operation temperature and held in matrix in a graphite block reservoir, and which changes state (ionizes, for example) so as to be electrically conductive at a desired temperature.

Inventors:

Barrus, Donald M ^[1]; Shires, Charles D ^[1]

San Jose, CA

Issue Date:: 1988-01-01

Research Org.:: General Electric Co., Boston, MA (United States)

OSTI Identifier:: 866605

Patent Number(s):: 4747998

Assignee:: United States of America as represented by United States (Washington, DC)

Patent Classifications (CPCs):: Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS

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Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E30/30 - Nuclear fission reactors

G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS
G21C9/02 - Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse

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DOE Contract Number:: AT03-76SF71032

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: thermally; actuated; thermionic; switch; responds; increase; temperature; changing; impedance; predictable; set; bistable; operation; mode; switching; increases; material; metal; liquid; desired; held; matrix; graphite; block; reservoir; changes; ionizes; example; electrically; conductive; electrically conductive; desired temperature; thermally actuated; bistable operation; stable operation; thermionic switch; temperature increase; actuated thermionic; /376/310/313/361/976/

Citation Formats


                    Barrus, Donald M, and Shires, Charles D. Thermally actuated thermionic switch.  United States: N. p., 1988. 
        Web.

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                    Barrus, Donald M, & Shires, Charles D. Thermally actuated thermionic switch.  United States.

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                    Barrus, Donald M, and Shires, Charles D. Fri .  
        "Thermally actuated thermionic switch".  United States.  https://www.osti.gov/servlets/purl/866605.

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@article{osti_866605,

  title        = {Thermally actuated thermionic switch},

  author       = {Barrus, Donald M and Shires, Charles D},

  abstractNote = {A thermally actuated thermionic switch which responds to an increase of temperature by changing from a high impedance to a low impedance at a predictable temperature set point. The switch has a bistable operation mode switching only on temperature increases. The thermionic material may be a metal which is liquid at the desired operation temperature and held in matrix in a graphite block reservoir, and which changes state (ionizes, for example) so as to be electrically conductive at a desired temperature.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1988},

  month        = {1}

}

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