Patent US3083543A successfully refreshed from Google Patents.
US3083543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices and systems for cooling or heating fluids
Assignee: Varo Inc
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Filing: 1961-03-28
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Granted: 1963-04-02
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Expires: 1981-03-28
Abstract
No abstract record available.
Inventors
- 👤 Austin N Stanton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:54
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; F25B21/04; F25D; F25D31/00; F25D31/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A FLUID HEATING AND COOLING DEVICE COMPRISING: A PLURALITY OF ANNULAR THERMOELEMENTS, EACH HAVING AN END PORTION OF REDUCED DIAMETER AND AN END PORTION OF LARGER DIAMETER, SAID THERMOELEMENTS BEING JOINED AT THEIR ENDS OF CORRESPONDING DIAMETERS TO DEFINE A TUBULAR CONDUIT ADAPTED TO PASS FLUID THERETHROUGH, A SET OF INNER THERMOJUNCTIONS AND A SET OF OUTER THERMOJUNCTIONS ON SAID CONDUIT REPRESENTING THE JUNCTIONS OF SAID REDUCED DIAMETER THERMOELEMENT PORTIONS AND OF SAID LARGE DIAMETER THERMOELEMENT PORTIONS, RESPECTIVELY, ADJACENT ONES OF SAID THERMOELEMENTS BEING THERMOELECTRICALLY DISSIMILAR; MEANS FOR PASSING ELECTRIC CURRENT THROUGH SAID THERMOELEMENTS IN A SELECTED ONE OF RECIPROCAL DIRECTIONS, WHEREBY IN ONE DIRECTION OF CURRENT FLOW THE INNER THERMOJUNCTIONS BECOME COOLING JUNCTIONS FOR COOLING FLUID IN SAID CONDUIT AND THE OUTER THERMOJUNCTIONS BECOME HEATING JUNCTIONS AND IN THE REVERSE OF CURRENT FLOW
Claim 2
Dependent Claim
134 words
A FLUID HEATING AND COOLING DEVICE COMPRISING: A PLURALITY OF ANNULAR THERMOELEMENTS, EACH HAVING AN END PORTION OF REDUCED DIAMETER AND AN END PORTION OF LARGER DIAMETER, SAID THERMOELEMENTS BEING JOINED AT THEIR ENDS OF CORRESPONDING DIAMETERS TO DEFINE A TUBULAR CONDUIT ADAPTED TO PASS FLUID THERETHROUGH, A SET OF INNER THERMOJUNCTIONS AND A SET OF OUTER THERMOJUNCTIONS ON SAID CONDUIT REPRESENTING THE JUNCTIONS OF SAID REDUCED DIAMETER THERMOELEMENT PORTIONS AND OF SAID LARGE DIAMETER THERMOELEMENT PORTIONS, RESPECTIVELY, ADJACENT ONES OF SAID THERMOELEMENTS BEING THERMOELECTRICALLY DISSIMILAR; MEANS FOR PASSING ELECTRIC CURRENT THROUGH SAID THERMOELEMENTS IN A SELECTED ONE OF RECIPROCAL DIRECTIONS, WHEREBY IN ONE DIRECTION OF CURRENT FLOW THE INNER THERMOJUNCTIONS BECOME COOLING JUNCTIONS FOR COOLING FLUID IN SAID CONDUIT AND THE OUTER THERMOJUNCTIONS BECOME HEATING JUNCTIONS AND IN THE REVERSE OF CURRENT FLOW
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |