US3353369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption refrigeration system
Assignee: Whirlpool Corp
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Filing: 1965-10-20
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Granted: 1967-11-21
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Eugene P Whitlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:29
CPC Classifications
F; F25; F25B; F25B37/00; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
IN AN ABSORPTION REGRIGERATION SYSTEM CHARGED WITH REFRIGERANT AND ABSORPTION LIQUID INCLUDING A GENERATOR WHERE HEAT IS APPLIED TO DRIVE GASEOUS REFRIGERANT FROM RICH LIQUID, APPARATUS COMPRISING: AN ABSORBER FOR CONTACTING ABSORPTION LIQUID WITH GASEOUS REFRGERANT FOR ABSORPTION IN SAID LIQUID; MANS FOR INTRODUCING WEAK LIQUID INTO SAID ABSORBER INCLUDING A FLUID CONDUIT AT THE WEAK LIQUID ENTRANCE TO SAID ABSORBER IN WHICH THE INTIALLY INTRODUCED WEAK LIQUID FIRST CONTACTS GASEOUS REFRIGERANT WITH THE RESLULTANT GENERATION OF HEAT; AND HEAT TRANSFER MEANS FOR TRANSFERRING SAID HEAT FROM SAID LIQUID CONDUIT TO SAID GENERATOR COMPRISING MEANS FOR PASSING REFRIGERANT RICH LIQUID FROM SAID ABSORBER IN HEAT TRANSFER RELATIONSHIP WITH SAID FLUID CONDUIT PRIOR TO THE INTRODUCTION OF SAID RICH LIQUID IN SAID GENERATOR, SAID HEAT TRANSFER MEANS COMPRISING A HEAT EXCHANGER IN HEAT EXCHANGE RELATIONSHIP WITH SAID FLUID CONDUIT FOR CARRYING REFRIGERANT RICH LIQUID FROM SAID FLUID CONDUIT TO SAID GENERATOR TO TRANSFER THE HEAT OF ABSORTION TO SAID GENERATOR IN THE REFRIGERANT RICH LIQUID CARRIED BY SAID GENERATOR IN THE SAID HEAT EXCHANGER HAVING AN EXIT LINE CONNECTING DIRECTLY TO SAID GENERATOR FOR MAXIMUM TRANSFER OF THE HEAT OF ABSORPTION TO SAID GENERATOR.
Claim 2
Dependent Claim
193 words
IN AN ABSORPTION REGRIGERATION SYSTEM CHARGED WITH REFRIGERANT AND ABSORPTION LIQUID INCLUDING A GENERATOR WHERE HEAT IS APPLIED TO DRIVE GASEOUS REFRIGERANT FROM RICH LIQUID, APPARATUS COMPRISING: AN ABSORBER FOR CONTACTING ABSORPTION LIQUID WITH GASEOUS REFRGERANT FOR ABSORPTION IN SAID LIQUID; MANS FOR INTRODUCING WEAK LIQUID INTO SAID ABSORBER INCLUDING A FLUID CONDUIT AT THE WEAK LIQUID ENTRANCE TO SAID ABSORBER IN WHICH THE INTIALLY INTRODUCED WEAK LIQUID FIRST CONTACTS GASEOUS REFRIGERANT WITH THE RESLULTANT GENERATION OF HEAT; AND HEAT TRANSFER MEANS FOR TRANSFERRING SAID HEAT FROM SAID LIQUID CONDUIT TO SAID GENERATOR COMPRISING MEANS FOR PASSING REFRIGERANT RICH LIQUID FROM SAID ABSORBER IN HEAT TRANSFER RELATIONSHIP WITH SAID FLUID CONDUIT PRIOR TO THE INTRODUCTION OF SAID RICH LIQUID IN SAID GENERATOR, SAID HEAT TRANSFER MEANS COMPRISING A HEAT EXCHANGER IN HEAT EXCHANGE RELATIONSHIP WITH SAID FLUID CONDUIT FOR CARRYING REFRIGERANT RICH LIQUID FROM SAID FLUID CONDUIT TO SAID GENERATOR TO TRANSFER THE HEAT OF ABSORTION TO SAID GENERATOR IN THE REFRIGERANT RICH LIQUID CARRIED BY SAID GENERATOR IN THE SAID HEAT EXCHANGER HAVING AN EXIT LINE CONNECTING DIRECTLY TO SAID GENERATOR FOR MAXIMUM TRANSFER OF THE HEAT OF ABSORPTION TO SAID GENERATOR.
References Cited (Backward Citations)
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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 |