US3250087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption refrigeration
Assignee: Carrier Corp
•
Filing: 1964-05-20
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Granted: 1966-05-10
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Expires: 1984-05-20
Abstract
No abstract record available.
Inventors
- 👤 Richard A English
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:28
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
111 words
AN ABSORPTION REFRIGERATION MACHINE COMPRISING: AN ABSORBER FOR ABSORBING REFRIGERANT VAPOR INTO AN ABSORBENT SOLUTION; A CONDENSER FOR CONDENSING REFRIGERANT VAPOR; AN EVAPORATOR FOR EVAPORATING REFRIGERANT AND COOLING A REFRIGERATION LOAD; A GENERATOR FOR CONCENTRATING THE ABSORBENT SOLUTION AND PRODUCING VAPOR; AN ANALYZER FOR PURIFYING REFRIGERANT VAPOR PASSED TO IT FROM SAID GENERATOR, SAID ANALYZER BEING ADAPTED TO CONTAIN A COLUMN OF ABSORBENT SOLUTION THEREIN; AND A SEPARATION CHAMBER DISPOSED WITHIN SAID ANALYZER BELOW THE LEVEL OF SOLUTION THEREIN, SAID SEPARATION CHAMBER BEING PROVIDED WITH MEANS TO PASS A MIXTURE OF VAPOR AND CONCENTRATED ABSORBENT SOLUTION FROM SAID GENERATOR INTO SAID SEPARATION CHAMBER, SAID SEPARATION CHAMBER INCLUDING A TOP HAVING AN
Claim 2
Dependent Claim
111 words
AN ABSORPTION REFRIGERATION MACHINE COMPRISING: AN ABSORBER FOR ABSORBING REFRIGERANT VAPOR INTO AN ABSORBENT SOLUTION; A CONDENSER FOR CONDENSING REFRIGERANT VAPOR; AN EVAPORATOR FOR EVAPORATING REFRIGERANT AND COOLING A REFRIGERATION LOAD; A GENERATOR FOR CONCENTRATING THE ABSORBENT SOLUTION AND PRODUCING VAPOR; AN ANALYZER FOR PURIFYING REFRIGERANT VAPOR PASSED TO IT FROM SAID GENERATOR, SAID ANALYZER BEING ADAPTED TO CONTAIN A COLUMN OF ABSORBENT SOLUTION THEREIN; AND A SEPARATION CHAMBER DISPOSED WITHIN SAID ANALYZER BELOW THE LEVEL OF SOLUTION THEREIN, SAID SEPARATION CHAMBER BEING PROVIDED WITH MEANS TO PASS A MIXTURE OF VAPOR AND CONCENTRATED ABSORBENT SOLUTION FROM SAID GENERATOR INTO SAID SEPARATION CHAMBER, SAID SEPARATION CHAMBER INCLUDING A TOP HAVING AN
References Cited (Backward Citations)
US2552071A
Cited
US3138938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |