US3353366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption refrigeration systems
Assignee: Honeywell International Inc
•
Filing: 1966-01-27
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Granted: 1967-11-21
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Expires: 1986-01-27
Abstract
No abstract record available.
Inventors
- 👤 Sabatino R Orfeo
- 👤 Kevin P Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:49
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/02; C09K5/04; F; F25; F25B; F25B2315/00; F25B2315/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE METHOD OF ABSORPTION REFRIGERATION WHICH COMPRISES: (A) EVAPORATING, IN THE VICINITY OF A BODY TO BE COOLED, A REFRIGERANT COMPRISING A NORMALLY GASEOUS MATERAIL WHICH, WITH WATER, FORMS A GAS HYDRATE HAVING A CRITICAL DECOMPOSITION TEMPERATURE OF AT LEAST ABOUT 15*C., (B) BRINGING THE EVAPORTED REFRIGERANT VAPORS IN COMTACT WITH UNDER CONDITIONS OPERATIVE TO FORM THE GAS HYDRATE, (C) HEATING THE GAS HYDRATE TO DECOMPOSE THE SAME INTO WATER AND REFRIGERANT AND (D) RETURNING THE REFRIGERANT IN LIQUID FORM TO THE VICINITY OF THE BODY TO BE COOLED FOR REEVAPORATION AND RECYCLING.
Claim 2
Independent Claim
93 words
THE METHOD OF ABSORPTION REFRIGERATION WHICH COMPRISES: (A) EVAPORATING, IN THE VICINITY OF A BODY TO BE COOLED, A REFRIGERANT COMPRISING A NORMALLY GASEOUS MATERAIL WHICH, WITH WATER, FORMS A GAS HYDRATE HAVING A CRITICAL DECOMPOSITION TEMPERATURE OF AT LEAST ABOUT 15*C., (B) BRINGING THE EVAPORTED REFRIGERANT VAPORS IN COMTACT WITH UNDER CONDITIONS OPERATIVE TO FORM THE GAS HYDRATE, (C) HEATING THE GAS HYDRATE TO DECOMPOSE THE SAME INTO WATER AND REFRIGERANT AND (D) RETURNING THE REFRIGERANT IN LIQUID FORM TO THE VICINITY OF THE BODY TO BE COOLED FOR REEVAPORATION AND RECYCLING.
References Cited (Backward Citations)
US1968507A
Cited
US2255584A
Cited
US2479259A
Cited
US2638760A
Cited
US3243966A
Cited
US3203194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |