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US3100970A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermoelectrically refrigerated apparatus

Assignee: Individual
•
Filing: 1961-03-14
•
Granted: 1963-08-20
•
Expires: 1981-03-14
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Abstract

No abstract record available.

Inventors

  • 👤 Thore Matin Elfving

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 10:05
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; H; H10; H10N; H10N10/00; H10N10/10; H10N10/13; F25D; F25D11/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 172 words
A REFRIGERATOR COMPRISING A FIRST REFRIGERATING CHAMBER, A SECOND REFRIGERATING CHAMBER OF A HIGHER TEMPERATURE THAN SAID FIRST REFRIGERATING CHAMBER, AT LEAST A FIRST AND AT LEAST A SECOND THERMOCOUPLE ASSEMBLY, EACH HAVING HOT AND COLD JUNCTIONS, A ONE-WAY HEAT TRANSFER SYSTEM COMPRISING, A DOUBLE-WALLED MEMBER PARTLY FILLED WITH A REFRIGERANT, SAID DOUBLE WALLED MEMBER HAVING A HEAT ABSORBING EVAPORATOR PORTION AND A HEAT DISSIPATING CONDENSER PORTION AT A HIGHER LEVEL THAN THE EVAPORATOR PORTION, SAID CONDENSER PORTION BEING IN DIRECT THERMAL CONTACT WITH THE COLD JUNCTIONS OF SAID SECOND THERMOCOUPLE ASSEMBLY, SAID EVAPORATOR BEING IN HEAT EXCHANGE RELATION TO SAID SECOND REFRIGERATING CHAMBER, THE HOT JUNCTIONS OF SAID FIRST THERMOCOUPLE ASSEMBLY BEING IN DIRECT THERMAL CONTACT WITH SAID DOUBLE WALLED MEMBER, THE COLD JUNCTION SIDE OF SAID FIRST THERMOCOUPLE ASSEMBLY BEING IN HEAT EXCHANGE RELATION WITH SAID FIRST REFRIGERATING CHAMBER FOR COOLING THE SAME, MEANS FOR DISSIPATING HEAT FROM THE HOT JUNCTION SIDE OF SAID SECOND THERMOCOUPLE ASSEMBLY, AND MEANS FOR SUPPLYING SAID FIRST AND SECOND THERMOCOUPLE ASSEMBLY WITH ELECTRIC ENERGY.
Claim 2
Dependent Claim 172 words
A REFRIGERATOR COMPRISING A FIRST REFRIGERATING CHAMBER, A SECOND REFRIGERATING CHAMBER OF A HIGHER TEMPERATURE THAN SAID FIRST REFRIGERATING CHAMBER, AT LEAST A FIRST AND AT LEAST A SECOND THERMOCOUPLE ASSEMBLY, EACH HAVING HOT AND COLD JUNCTIONS, A ONE-WAY HEAT TRANSFER SYSTEM COMPRISING, A DOUBLE-WALLED MEMBER PARTLY FILLED WITH A REFRIGERANT, SAID DOUBLE WALLED MEMBER HAVING A HEAT ABSORBING EVAPORATOR PORTION AND A HEAT DISSIPATING CONDENSER PORTION AT A HIGHER LEVEL THAN THE EVAPORATOR PORTION, SAID CONDENSER PORTION BEING IN DIRECT THERMAL CONTACT WITH THE COLD JUNCTIONS OF SAID SECOND THERMOCOUPLE ASSEMBLY, SAID EVAPORATOR BEING IN HEAT EXCHANGE RELATION TO SAID SECOND REFRIGERATING CHAMBER, THE HOT JUNCTIONS OF SAID FIRST THERMOCOUPLE ASSEMBLY BEING IN DIRECT THERMAL CONTACT WITH SAID DOUBLE WALLED MEMBER, THE COLD JUNCTION SIDE OF SAID FIRST THERMOCOUPLE ASSEMBLY BEING IN HEAT EXCHANGE RELATION WITH SAID FIRST REFRIGERATING CHAMBER FOR COOLING THE SAME, MEANS FOR DISSIPATING HEAT FROM THE HOT JUNCTION SIDE OF SAID SECOND THERMOCOUPLE ASSEMBLY, AND MEANS FOR SUPPLYING SAID FIRST AND SECOND THERMOCOUPLE ASSEMBLY WITH ELECTRIC ENERGY.

References Cited (Backward Citations)

US2749716A Cited
US2986009A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-08-19 1967-02-18 1967-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-08-19 1971-02-18 1971-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-08-19 1975-02-18 1975-08-20 $7700.00 Window Closed / Lapsed

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