Patent US3316474A successfully refreshed from Google Patents.
US3316474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric transformer
Assignee: Emerson Process Management Ltd
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Filing: 1964-05-21
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Granted: 1967-04-25
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Expires: 1984-05-21
Abstract
No abstract record available.
Inventors
- 👤 Lode Tenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:30
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/10; H10N10/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A THERMOELETRIC TRANSFORMER INCLUDING A PRIMARY CIRCUIT HAVING A SOURCE OF ELECTROMOTIVE FORCE AND A PLURALITY OF DISSIMILAR ELECTRICAL CONDUCTING MATERIALS EFFECTIVELY ELECTRICALLY CONNECTED TO EACH OTHER AT PRIMARY JUNCTIONS AND CONNECTED ACROSS SAID SOURCE IN A PRIMARY CLOSE SERIES LOOP TO CAUSE A CURRENT FLOW IN SAID PRIMARY LOOP OPERATIVE TO CAUSE HEATING IN A FIRST SET OF SAID PRIMARY JUNCTIONS AND COOLING IN A SECOND SET OF SAID PRIMARY JUNCTIONS; AND A SECONDARY CIRCUIT HAVING A LOAD AND A PLURALITY OF DISSIMILAR ELECTRIC CONDUCTING MATERIALS EFFECTIVELY ELECTRICALLY CONNECTED TO EACH OTHER AT SECONDARY JUNCTIONS AND CONNECTED ACROSS SAID LOAD IN A CLOSED SERIES LOOP TO INDUCE AN ELECTRICAL POTENTIAL ACROSS SAID LOAD IN RESPONSE TO A TEMPERATURE DIFFERENCE BETWEEN A FIRST SET OF SAID SECONDARY JUNCTIONS AND A SECOND SET OF SAID SECONDARY JUNCTIONS; SAID FIRST SET OF PRIMARY JUNCTIONS AND SAID FIRST SET OF SECONDARY JUNCTIONS BEING IN HEAT CONDUCTING RELATIONSHIP TO EACH OTHER; AND MEANS TO TEND TO MAINTAIN THE TEMPERATURE DIFFERENTIAL BETWEEN SAID SECOND SET OF PRIMARY JUNCTIONS AND SAID SECOND SET OF SECONDARY JUNCTIONS AT A SUBSTANTIALLY CONSTANT VALUE.
Claim 2
Dependent Claim
185 words
A THERMOELETRIC TRANSFORMER INCLUDING A PRIMARY CIRCUIT HAVING A SOURCE OF ELECTROMOTIVE FORCE AND A PLURALITY OF DISSIMILAR ELECTRICAL CONDUCTING MATERIALS EFFECTIVELY ELECTRICALLY CONNECTED TO EACH OTHER AT PRIMARY JUNCTIONS AND CONNECTED ACROSS SAID SOURCE IN A PRIMARY CLOSE SERIES LOOP TO CAUSE A CURRENT FLOW IN SAID PRIMARY LOOP OPERATIVE TO CAUSE HEATING IN A FIRST SET OF SAID PRIMARY JUNCTIONS AND COOLING IN A SECOND SET OF SAID PRIMARY JUNCTIONS; AND A SECONDARY CIRCUIT HAVING A LOAD AND A PLURALITY OF DISSIMILAR ELECTRIC CONDUCTING MATERIALS EFFECTIVELY ELECTRICALLY CONNECTED TO EACH OTHER AT SECONDARY JUNCTIONS AND CONNECTED ACROSS SAID LOAD IN A CLOSED SERIES LOOP TO INDUCE AN ELECTRICAL POTENTIAL ACROSS SAID LOAD IN RESPONSE TO A TEMPERATURE DIFFERENCE BETWEEN A FIRST SET OF SAID SECONDARY JUNCTIONS AND A SECOND SET OF SAID SECONDARY JUNCTIONS; SAID FIRST SET OF PRIMARY JUNCTIONS AND SAID FIRST SET OF SECONDARY JUNCTIONS BEING IN HEAT CONDUCTING RELATIONSHIP TO EACH OTHER; AND MEANS TO TEND TO MAINTAIN THE TEMPERATURE DIFFERENTIAL BETWEEN SAID SECOND SET OF PRIMARY JUNCTIONS AND SAID SECOND SET OF SECONDARY JUNCTIONS AT A SUBSTANTIALLY CONSTANT VALUE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |