US3237415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zone controlled refrigeration system
Assignee: Borg Warner Corp
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Filing: 1964-12-31
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Granted: 1966-03-01
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Expires: 1984-12-31
Abstract
No abstract record available.
Inventors
- 👤 Alwin B Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:52
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN APPARATUS OF THE CHARACTER DESCRIBED, THE COMBINATION COMPRISING THERMOELECTRIC COLD PRODUCING MEANS HAVING A HEAT ABSTRACTION SIDE AND A HEAT REJECTION SIDE; MEANS FOR CIRCULATING A HEAT EXCHANGE MEDIUM IN HEAT EXCHANGE RELATION WITH THE HEAT REJECTION SIDE OF SAID THERMOELECTRIC COLD PRODUCING MEANS; MEANS FOR CHILLING SAID HEAT EXCHANGE MEDIUM, SAID MEANS COMPRISING A REFRIGERATION UNIT INCLUDING A COMPRESSOR, A CONDENSER AND AN EVAPORATOR CONNECTED IN CLOSED, REFRIGERANT FLOW RELATION, A FIRST HEAT EXCHANGER ASSOCIATED WITH SAID EVAPORATOR, AND A SECOND HEAT EXCHANGER IN HEAT EXCHANGE RELATION WITH AMBIENT AIR; AND VALVE MEANS FOR SELECTIVELY FLOWING SAID HEAT EXCHANGE MEDIUM THROUGH SAID FIRST OR SAID SECOND HEAT EXCHANGER PRIOR TO BEING CIRCULATED TO SAID THERMOELECTRIC COLD PRODUCING MEANS.
Claim 2
Dependent Claim
120 words
IN APPARATUS OF THE CHARACTER DESCRIBED, THE COMBINATION COMPRISING THERMOELECTRIC COLD PRODUCING MEANS HAVING A HEAT ABSTRACTION SIDE AND A HEAT REJECTION SIDE; MEANS FOR CIRCULATING A HEAT EXCHANGE MEDIUM IN HEAT EXCHANGE RELATION WITH THE HEAT REJECTION SIDE OF SAID THERMOELECTRIC COLD PRODUCING MEANS; MEANS FOR CHILLING SAID HEAT EXCHANGE MEDIUM, SAID MEANS COMPRISING A REFRIGERATION UNIT INCLUDING A COMPRESSOR, A CONDENSER AND AN EVAPORATOR CONNECTED IN CLOSED, REFRIGERANT FLOW RELATION, A FIRST HEAT EXCHANGER ASSOCIATED WITH SAID EVAPORATOR, AND A SECOND HEAT EXCHANGER IN HEAT EXCHANGE RELATION WITH AMBIENT AIR; AND VALVE MEANS FOR SELECTIVELY FLOWING SAID HEAT EXCHANGE MEDIUM THROUGH SAID FIRST OR SAID SECOND HEAT EXCHANGER PRIOR TO BEING CIRCULATED TO SAID THERMOELECTRIC COLD PRODUCING MEANS.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |