Patent US7028250B2 successfully refreshed from Google Patents.
Patent US3140591A successfully refreshed from Google Patents.
US3140591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption refrigeration systems
Assignee: Carrier Corp
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Filing: 1963-02-11
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Granted: 1964-07-14
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Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Earl L Brown
- 👤 Richard A English
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:56
CPC Classifications
F; F25; F25B; F25B15/00; F25B15/02; F25B15/04; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
AN ABSORPTION REFRIGERATION SYSTEM COMPRISING: AN ABSORBER SECTION, A GENERATOR SECTION FOR VAPORIZING REFRIGERANT, A HEAT EXCHANGER SECTION, AN ANALYZER AND RECTIFIER SECTION, PASSAGE MEANS FOR PASSING A PORTION OF WEAK ABSORBENT SOLUTION FROM SAID ABSORBER SECTION TO SAID ANALYZER AND RECTIFIER SECTION TO PURIFY REFRIGERANT VAPOR PASSED THERETO, PASSAGE MEANS FOR PASSING STRONG ABSORBENT SOLUTION FROM SAID GENERATOR SECTION TO SAID HEAT EXCHANGER SECTION, PASSAGE MEANS FOR PASSING ANOTHER PORTION OF WEAK ABSORBENT SOLUTION TO SAID HEAT EXCHANGER SECTION FOR HEAT EXCHANGE WITH THE STRONG SOLUTION PASSED THERETO, AND A PREANALYZER SECTION COMPRISING: PREANALYZER PASSAGE MEANS FOR PASSING VAPOR FORMED IN SAID GENERATOR SECTION TO SAID ANALYZER AND RECTIFIER SOLUTION AND PASSAGE MEANS FOR PASSING WEAK ABSORBENT SOLUTION FROM SAID HEAT EXCHANGER SECTION CONCURRENTLY THROUGH SAID PREANALYZER PASSAGE MEANS IN DIRECT CONTACT WITH SAID VAPOR PASSING THERETHROUGH, PRIOR TO MIXTURE OF SAID WEAK ABSORBENT SOLUTION HEATED IN SAID HEAT EXCHANGER SECTION WITH THE PORTION OF WEAK ABSORBENT SOLUTION PASSED THROUGH SAID ANALYZER AND RECTIFIER SECTION AND ALSO PRIOR TO THE ENTRANCE OF SAID VAPOR INTO SAID ANALYZER AND RECTIFIER SECTION.
Claim 2
Dependent Claim
181 words
AN ABSORPTION REFRIGERATION SYSTEM COMPRISING: AN ABSORBER SECTION, A GENERATOR SECTION FOR VAPORIZING REFRIGERANT, A HEAT EXCHANGER SECTION, AN ANALYZER AND RECTIFIER SECTION, PASSAGE MEANS FOR PASSING A PORTION OF WEAK ABSORBENT SOLUTION FROM SAID ABSORBER SECTION TO SAID ANALYZER AND RECTIFIER SECTION TO PURIFY REFRIGERANT VAPOR PASSED THERETO, PASSAGE MEANS FOR PASSING STRONG ABSORBENT SOLUTION FROM SAID GENERATOR SECTION TO SAID HEAT EXCHANGER SECTION, PASSAGE MEANS FOR PASSING ANOTHER PORTION OF WEAK ABSORBENT SOLUTION TO SAID HEAT EXCHANGER SECTION FOR HEAT EXCHANGE WITH THE STRONG SOLUTION PASSED THERETO, AND A PREANALYZER SECTION COMPRISING: PREANALYZER PASSAGE MEANS FOR PASSING VAPOR FORMED IN SAID GENERATOR SECTION TO SAID ANALYZER AND RECTIFIER SOLUTION AND PASSAGE MEANS FOR PASSING WEAK ABSORBENT SOLUTION FROM SAID HEAT EXCHANGER SECTION CONCURRENTLY THROUGH SAID PREANALYZER PASSAGE MEANS IN DIRECT CONTACT WITH SAID VAPOR PASSING THERETHROUGH, PRIOR TO MIXTURE OF SAID WEAK ABSORBENT SOLUTION HEATED IN SAID HEAT EXCHANGER SECTION WITH THE PORTION OF WEAK ABSORBENT SOLUTION PASSED THROUGH SAID ANALYZER AND RECTIFIER SECTION AND ALSO PRIOR TO THE ENTRANCE OF SAID VAPOR INTO SAID ANALYZER AND RECTIFIER SECTION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |