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US3558047A Expired / Lapsed US ⏱️ 0.0 years remaining

Energy conversion method

Assignee: Forschungszentrum Jülich
•
Filing: 1968-02-15
•
Granted: 1971-01-26
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Expires: 1988-02-15
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Abstract

Abstract The energy obtained by operation of a high temperature nuclear reactor is utilized by heating in the operating high temperature nuclear reactor a heat exchange medium to a sufficiently high temperature so that by indirect heat exchange between the thusheated heat exchange medium and a suitable reactant an endothermic chemical reaction of the reactant or reactants may be maintained. Such endothermic reaction is carried out and thereby a reaction product is formed which may be reconverted into the initial reactant or reactants by being subjected to an exothermic reaction. Whenever heat is required, the reaction product is subjected to exothermic reaction in indirect heat exchange with a medium which is to be heated. Thereby heat derived from the operation of the high temperature nuclear reactor can be made available at any desired time by carrying out the exothermic reaction under simultaneous reconversion of the reaction product into the reactant or reactants, and the latter may then be again subjected to the endothermic chemical reaction by indirect heat exchange with the heat exchange medium which has been heated in the high temperature nuclear reactor.

Inventors

  • 👤 Hans Wolfgang Nuernberg
  • 👤 Gerhard Wolff

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:51
CPC Classifications
G; G21; G21D; G21D9/00; Y; Y02; Y02E; Y02E30/00

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 22 words
A method as defined in claim 1, wherein said stabilized reaction product is stored prior to being subjected to said exothermic reaction.
Claim 2
Dependent Claim 50 words
A method as defined in claim 1, wherein said endothermic chemical reaction causes decomposition of said at least one reactant, a stabilizing agent capable of retarding said exothermic reaction is admixed to said reaction product, and the thus-formed stabilized mixture is stored prior to being subjected to said exothermic reaction.
Claim 3
Dependent Claim 58 words
A method as defined in claim 1, wherein said reformed at least one reactant is recycled for being subjected to said indirect heat exchange with said heated heat exchange medium so as to be reconverted by said endothermic reaction into said reaction product, thereby causing said endothermic and exothermic reactions to be carried out in a closed cycle.
Claim 4
Dependent Claim 24 words
A method as defined in claim 1, wherein said at least one reactant is ethane, and said reaction product consists of ethylene and hydrogen.
Claim 5
Dependent Claim 47 words
A method as defined in claim 5, wherein said ethane is decomposed at about 900* C. and at about atmospheric pressure, and the mixture of ethylene and hydrogen formed thereby is quickly cooled to a temperature below 400* C., prior to being subjected to said exothermic reaction.
Claim 6
Dependent Claim 16 words
A method as defined in claim 6, wherein said mixture is quickly cooled to 25* C.
Claim 7
Dependent Claim 20 words
A method as defined in claim 5, wherein an inert diluent is admixed to the mixture of ethylene and hydrogen.
Claim 8
Dependent Claim 22 words
A method as defined in claim 8, wherein said inert diluent is selected from the group consisting of nitrogen and noble gases.
Claim 9
Dependent Claim 24 words
A method as defined in claim 1, wherein said at least one reactant is propane and said reaction product consists of propylene and hydrogen.
Claim 10
Dependent Claim 38 words
A method as defined in claim 10, wherein said propane is decomposed at about 900* C. and at about atmospheric pressure, and the thus-formed mixture of propylene and hydrogen is quickly cooled to a temperature below 400* C.
Claim 11
Dependent Claim 23 words
A method as defined in claim 11, wherein said quick cooling is carried out in indirect heat exchange with a heat exchange medium.

References Cited (Backward Citations)

US3125159A Cited
US2266033A Cited
US2283832A Cited
US2280673A Cited
US2759805A Cited
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US3231336A Cited
US3116212A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-01-25 1974-07-27 1975-01-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-25 1978-07-27 1979-01-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-25 1982-07-27 1983-01-26 $7700.00 Window Closed / Lapsed

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