US3134245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption refrigeration apparatus
Assignee: Whirlpool Corp
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Filing: 1961-06-16
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Granted: 1964-05-26
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Expires: 1981-06-16
Abstract
No abstract record available.
Inventors
- 👤 Benjamin A Phillips
- 👤 Jr John Roeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:10
CPC Classifications
F; F25; F25B; F25B15/00; F25B15/10; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN AN ABSORPTION REFRIGERATION APPARATUS HAVING A REFRIGERANT VAPOR SYSTEM COMPRISING AN ABSORBER, A CONDENSER, AN EVAPORATOR, A DUCT MEANS FOR CONDUCTING REFRIGERANT TO THE CONDENSER, DUCT MEANS FOR CONDUCTING LIQUID REFRIGERANT FROM THE CONDENSER TO THE EVAPORATOR, DUCT MEANS FOR CONDUCTING REFRIGERANT VAPOR FROM THE EVAPORATOR TO THE ABSORBER, VENT MEANS PROVIDING COMMUNICATION BETWEEN THE CONDENSER AND THE ABSORBER, A GENERATOR FOR DELIVERING SAID REFRIGERANT VAPOR IN PULSES THROUGH SAID DUCT MEANS TO THE CONDENSER, AND DUCT MEANS FOR CONDUCTING REFRIGERANT RICH SOLUTION FROM THE ABSORBER TO THE GENERATOR, STRUCTURE FOR STEADYING THE FLOW OF SAID REFRIGERANT VAPOR IN SAID SYSTEM COMPRISING PRESSURE DROP MEANS LOCATED IN AT LEAST ONE OF SAID REFRIGERANT VAPOR DUCT MEANS AND SAID REFRIGERANT VAPOR VENT MEANS FOR SUBSTANTIALLY ELIMINATING SAID PULSES.
Claim 2
Dependent Claim
128 words
IN AN ABSORPTION REFRIGERATION APPARATUS HAVING A REFRIGERANT VAPOR SYSTEM COMPRISING AN ABSORBER, A CONDENSER, AN EVAPORATOR, A DUCT MEANS FOR CONDUCTING REFRIGERANT TO THE CONDENSER, DUCT MEANS FOR CONDUCTING LIQUID REFRIGERANT FROM THE CONDENSER TO THE EVAPORATOR, DUCT MEANS FOR CONDUCTING REFRIGERANT VAPOR FROM THE EVAPORATOR TO THE ABSORBER, VENT MEANS PROVIDING COMMUNICATION BETWEEN THE CONDENSER AND THE ABSORBER, A GENERATOR FOR DELIVERING SAID REFRIGERANT VAPOR IN PULSES THROUGH SAID DUCT MEANS TO THE CONDENSER, AND DUCT MEANS FOR CONDUCTING REFRIGERANT RICH SOLUTION FROM THE ABSORBER TO THE GENERATOR, STRUCTURE FOR STEADYING THE FLOW OF SAID REFRIGERANT VAPOR IN SAID SYSTEM COMPRISING PRESSURE DROP MEANS LOCATED IN AT LEAST ONE OF SAID REFRIGERANT VAPOR DUCT MEANS AND SAID REFRIGERANT VAPOR VENT MEANS FOR SUBSTANTIALLY ELIMINATING SAID PULSES.
References Cited (Backward Citations)
US1702754A
Cited
US1878831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |