US3608326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption refrigeration system
Assignee: Carrier Corp
•
Filing: 1970-03-18
•
Granted: 1971-09-28
•
Expires: 1990-03-18
Abstract
Abstract AN ABSORPTION REFRIGERATION SYSTEM EMPLOYING IN COMBINATION A FLASH-TYPE SOLUTION HEAT EXCHANGER AND A SENSIBLE-TYPE SOLUTION HEAT EXCHANGER, THE FLASH-TYPE HEAT EXCHANGER INCORPORATING THEREIN A PLURALITY OF SCOOP PUMPS PROVIDING RELATIVELY HIGH VELOCITY FORCED FLOW OF BOTH STRONG AND WEAK ABSORBENT SOLUTION TO AND FROM THE GENERATOR, TO PROVIDE GOOD SOLUTION HEAT TRANSFER EFFICIENCIES WITHIN THE SYSTEM. THE STRONG AND WEAK SOLUTIONS ARE PUMPED IN COUNTERFLOW RELATION THROUGH A SENSIBLE-TYPE HEAT EXCHANGER COMMUNICATING WITH THE FLASHTYPE HEAT EXCHANGER. THE SENSIBLE-TYPE HEAT EXCHANGER MAY BE LOCATED INTERIORLY OR EXTERIORLY OF THE FLASH-TYPE HEAT EXCHANGER.
Inventors
- 👤 Louis H Leonard Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:05
CPC Classifications
F; F25; F25B; F25B15/00; F25B15/02; F25B15/025; F04; F04D; F04D1/00; F04D1/12; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |