Patent US3210057A successfully refreshed from Google Patents.
US3210057A
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: 1965-10-05
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Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick W Deady
- 👤 Richard H Merrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:51
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: 4
Claim 1
Independent Claim
118 words
IN AN ABSORPTION REFRIGERATION SYSTEM, AN ABSORBER SECTION COMPRISING AN UPPER HEADER, A LOWER HEADER, A PLURALITY OF VERTICAL ABSORBER TUBES HAVING OPEN ENDS CONNECTING SAID UPPER AND LOWER HEADERS, INLET MEANS TO ADMIT STRONG ABSORBENT SOLUTION INTO SAID ABSORBER SECTION, OUTLET MEANS TO PERMIT WEAK ABSORBENT SOLUTION TO LEAVE SAID ABSORBER SECTION, AND A REFRIGERANT VAPOR DISTRIBUTOR HEADER DISPOSED WITHIN SAID LOWER HEADER, SAID REFRIGERANT DISTRIBUTOR HEADER HAVING A PLURALITY OF ORIFICES ARRANGED BELOW THE OPEN ENDS OF SAID ABSORBER TUBES FOR DISTRIBUTING REFRIGERANT VAPOR UPWARDLY INTO THE OPEN LOWER ENDS OF ONLY SOME OF SAID ABSORBER TUBES, SO THAT OTHER ABSORBER TUBES SERVES TO RECIRCULATE ABSORBENT SOLUTION DOWNWARDLY FROM SAID UPPER HEADER TO SAID LOWER HEADER.
Claim 2
Dependent Claim
118 words
IN AN ABSORPTION REFRIGERATION SYSTEM, AN ABSORBER SECTION COMPRISING AN UPPER HEADER, A LOWER HEADER, A PLURALITY OF VERTICAL ABSORBER TUBES HAVING OPEN ENDS CONNECTING SAID UPPER AND LOWER HEADERS, INLET MEANS TO ADMIT STRONG ABSORBENT SOLUTION INTO SAID ABSORBER SECTION, OUTLET MEANS TO PERMIT WEAK ABSORBENT SOLUTION TO LEAVE SAID ABSORBER SECTION, AND A REFRIGERANT VAPOR DISTRIBUTOR HEADER DISPOSED WITHIN SAID LOWER HEADER, SAID REFRIGERANT DISTRIBUTOR HEADER HAVING A PLURALITY OF ORIFICES ARRANGED BELOW THE OPEN ENDS OF SAID ABSORBER TUBES FOR DISTRIBUTING REFRIGERANT VAPOR UPWARDLY INTO THE OPEN LOWER ENDS OF ONLY SOME OF SAID ABSORBER TUBES, SO THAT OTHER ABSORBER TUBES SERVES TO RECIRCULATE ABSORBENT SOLUTION DOWNWARDLY FROM SAID UPPER HEADER TO SAID LOWER HEADER.
Claim 3
Dependent Claim
97 words
AN IMPROVED METHOD OF PROVIDING REFRIGERANT ABSORPTION IN AN ABSORPTION REFRIGERANT SYSTEM WHICH COMPRISES THE STEPS OF PASSING REFRIGERANT VAPOR TO BE ABSORBED AND ABSORBENT SOLUTION IN CONTACT WITH EACH OTHER THROUGH A PREDETERMINED SET OF ABSORBER PASAGES FROM A FIRST HEADER TO A SECOND HEADER, PASSING ABSORBENT SOLUTION FROM SAID SECOND HEADER BACK TO SAID FIRST HEADER THROUGH AT LEAST ANOTHER PREDETERMINED PASSAGE IN A CONTROLLED PATTERN FOR RECIRCULATION THROUGH SAID FIRST SET OF ABSORBER PASSAGES, AND RECIRCULATING MORE RELATIVELY WEAK ABSORBENT SOLUTION THAN RELATIVELY STRONGER ABSORBENT SOLUTION FROM SAID SECOND HEADER TO SAID FIRST HEADER.
Claim 4
Dependent Claim
97 words
AN IMPROVED METHOD OF PROVIDING REFRIGERANT ABSORPTION IN AN ABSORPTION REFRIGERANT SYSTEM WHICH COMPRISES THE STEPS OF PASSING REFRIGERANT VAPOR TO BE ABSORBED AND ABSORBENT SOLUTION IN CONTACT WITH EACH OTHER THROUGH A PREDETERMINED SET OF ABSORBER PASAGES FROM A FIRST HEADER TO A SECOND HEADER, PASSING ABSORBENT SOLUTION FROM SAID SECOND HEADER BACK TO SAID FIRST HEADER THROUGH AT LEAST ANOTHER PREDETERMINED PASSAGE IN A CONTROLLED PATTERN FOR RECIRCULATION THROUGH SAID FIRST SET OF ABSORBER PASSAGES, AND RECIRCULATING MORE RELATIVELY WEAK ABSORBENT SOLUTION THAN RELATIVELY STRONGER ABSORBENT SOLUTION FROM SAID SECOND HEADER TO SAID FIRST HEADER.
References Cited (Backward Citations)
US2669440A
Cited
US3037361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |