US3283524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration system
Assignee: Individual
•
Filing: 1964-03-17
•
Granted: 1966-11-08
•
Expires: 1984-03-17
Abstract
No abstract record available.
Inventors
- 👤 Byron John Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:57
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/06; F25B; F25B1/00; F25B40/00; F25B43/00; F25B43/006; F25B2400/00; F25B2400/05; F25B2400/051; F25B2400/052; F25B41/00; F25B41/30; F25B41/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
225 words
THE METHOD OF IMPROVING THE THERMODYNAMIC EFFICIENCY OF REFRIGERATION SYSTEMS OF THE RESTRICTIVE DEVICE TYPE AND UTILIZING A CONTINUOUS TYPE EVAPORATOR AND ACCUMULATOR WHICH COMPRISES CHARGING THE SYSTEM WITH AT LEAST TWICE THE NORMAL AMOUNT OF REFRIGERANT USED WITH SUCH A SYSTEM OF THE SAME REFRIGERATING CAPACITY, CONTINUOUSLY CIRCULATING SAID ABNORMAL VOLUME THROUGH THE SYSTEM, DECREASING THE RESTRICTIVE EFFECT OF THE RESTRICTIVE DEVICE TO AT LEAST ONE HALF OF THE STANDARD TYPE FOR AN EVAPORATOR OF THE SAME CAPACITY SUCH THAT THE REFRIGERANT PASSES IN A CONTINUOUS AND UNINTERRUPTED LIQUID MASS THROUGH THE RESTRICTIVE DEVICE AND THEREAFTER IS CONVERTED BY EXPANSION TO A HIGHLY SATURATED, RELATIVELY WET VAPOR AND REMAINS AS A RELATIVELY WET VAPOR IN PASSING THROUGH THE EVAPORATOR AND ACCUMULATOR TO THE COMPRESSOR WHEREBY SUBSTANTIALLY ALL THE INTERNAL SURFACES OF THE EVAPORATOR ARE BACKED WITH LIQUID REFRIGERANT, MOVING SAID REFRIGERANT THROUGH THE SYSTEM IN A CONDITION SUCH THAT A RAPID TRANSFER OF HEAT OCCURS THROUGH THE EVAPORATOR WALLS AND THE SURFACE TEMPERATURE OF THE EVAPORATOR IS MAINTAINED RELATIVELY NEAR THE TEMPERATURE OF THE AREA BEING REFRIGERATED SO THAT A RELATIVELY HIGH HUMIDITY IS PROVIDED IN THE AREA BEING REFRIGERATED, INSURING A CONTINUOUS SUPPLY OF LIQUID REFRIGERANT ON THE HIGH SIDE BY THE USE OF A RECEIVER POSITIONED BELOW THE CONDENSER, AND CONTINUOUSLY ACCUMULATING AND TRAPPING LIQUID FLOWING FROM THE EVAPORATOR TOWARD THE COMPRESSOR.
Claim 2
Independent Claim
225 words
THE METHOD OF IMPROVING THE THERMODYNAMIC EFFICIENCY OF REFRIGERATION SYSTEMS OF THE RESTRICTIVE DEVICE TYPE AND UTILIZING A CONTINUOUS TYPE EVAPORATOR AND ACCUMULATOR WHICH COMPRISES CHARGING THE SYSTEM WITH AT LEAST TWICE THE NORMAL AMOUNT OF REFRIGERANT USED WITH SUCH A SYSTEM OF THE SAME REFRIGERATING CAPACITY, CONTINUOUSLY CIRCULATING SAID ABNORMAL VOLUME THROUGH THE SYSTEM, DECREASING THE RESTRICTIVE EFFECT OF THE RESTRICTIVE DEVICE TO AT LEAST ONE HALF OF THE STANDARD TYPE FOR AN EVAPORATOR OF THE SAME CAPACITY SUCH THAT THE REFRIGERANT PASSES IN A CONTINUOUS AND UNINTERRUPTED LIQUID MASS THROUGH THE RESTRICTIVE DEVICE AND THEREAFTER IS CONVERTED BY EXPANSION TO A HIGHLY SATURATED, RELATIVELY WET VAPOR AND REMAINS AS A RELATIVELY WET VAPOR IN PASSING THROUGH THE EVAPORATOR AND ACCUMULATOR TO THE COMPRESSOR WHEREBY SUBSTANTIALLY ALL THE INTERNAL SURFACES OF THE EVAPORATOR ARE BACKED WITH LIQUID REFRIGERANT, MOVING SAID REFRIGERANT THROUGH THE SYSTEM IN A CONDITION SUCH THAT A RAPID TRANSFER OF HEAT OCCURS THROUGH THE EVAPORATOR WALLS AND THE SURFACE TEMPERATURE OF THE EVAPORATOR IS MAINTAINED RELATIVELY NEAR THE TEMPERATURE OF THE AREA BEING REFRIGERATED SO THAT A RELATIVELY HIGH HUMIDITY IS PROVIDED IN THE AREA BEING REFRIGERATED, INSURING A CONTINUOUS SUPPLY OF LIQUID REFRIGERANT ON THE HIGH SIDE BY THE USE OF A RECEIVER POSITIONED BELOW THE CONDENSER, AND CONTINUOUSLY ACCUMULATING AND TRAPPING LIQUID FLOWING FROM THE EVAPORATOR TOWARD THE COMPRESSOR.
References Cited (Backward Citations)
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US2532452A
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US2482171A
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US2467078A
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US2812644A
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US2859596A
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |