US3287928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decrystallizer means for double effect absorption refrigeration system
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1964-04-14
•
Granted: 1966-11-29
•
Expires: 1984-04-14
Abstract
No abstract record available.
Inventors
- 👤 Jr John Graham Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:33
CPC Classifications
F; F25; F25B; F25B15/00; F25B15/008; F25B49/00; F25B49/04; F25B49/043; F25B15/02; F25B15/06; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN AN ABSORPTION REFRIGERATION SYSTEM COMPRISING A FIRST UPPER SHELL CONTAINING A GENERATOR; A SECOND INTERMEDIATE SHELL CONTAINING A SECOND GENERATOR AND CONDENSER; A THIRD LOWER SHELL CONTAINING AN EVAPORATOR AND ABSORBER; A HEAT EXCHANGER ARRANGED BELOW THE LOWER SHELL; A FIRST LINE LEADING FROM THE BOTTOM OF THE INTERMEDIATE SHELL THROUGH ONE SIDE OF THE HEAT EXCHANGER TO THE ABSORBER; AND A SECOND LINE LEADING FROM THE BOTTOM OF THE LOWER SHELL THROUGH THE OTHER SIDE OF THE HEAT EXCHANGER TO THE FIRST GENERATOR: THE IMPROVEMENT COMPRISING A THIRD LINE LEADING FROM THE FIRST GENERATOR TO A POINT IN THE SECOND LINE LOCATED UPSTREAM FROM THE HEAT EXCHANGER; VALVE MEANS NORMALLY CLOSING SAID THIRD LINE; MEANS RESPONSIVE TO THE LIQUID LEVEL IN SAID INTERMEDIATE SHELL FOR SENSING THE BUILD-UP OF CRYSTALS IN SAID OTHER SIDE OF THE HEAT EXCHANGER; AND MEANS OPERATED BY THE SENSING MEANS TO OPEN SAID VALVE MEANS.
Claim 2
Dependent Claim
152 words
IN AN ABSORPTION REFRIGERATION SYSTEM COMPRISING A FIRST UPPER SHELL CONTAINING A GENERATOR; A SECOND INTERMEDIATE SHELL CONTAINING A SECOND GENERATOR AND CONDENSER; A THIRD LOWER SHELL CONTAINING AN EVAPORATOR AND ABSORBER; A HEAT EXCHANGER ARRANGED BELOW THE LOWER SHELL; A FIRST LINE LEADING FROM THE BOTTOM OF THE INTERMEDIATE SHELL THROUGH ONE SIDE OF THE HEAT EXCHANGER TO THE ABSORBER; AND A SECOND LINE LEADING FROM THE BOTTOM OF THE LOWER SHELL THROUGH THE OTHER SIDE OF THE HEAT EXCHANGER TO THE FIRST GENERATOR: THE IMPROVEMENT COMPRISING A THIRD LINE LEADING FROM THE FIRST GENERATOR TO A POINT IN THE SECOND LINE LOCATED UPSTREAM FROM THE HEAT EXCHANGER; VALVE MEANS NORMALLY CLOSING SAID THIRD LINE; MEANS RESPONSIVE TO THE LIQUID LEVEL IN SAID INTERMEDIATE SHELL FOR SENSING THE BUILD-UP OF CRYSTALS IN SAID OTHER SIDE OF THE HEAT EXCHANGER; AND MEANS OPERATED BY THE SENSING MEANS TO OPEN SAID VALVE 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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |