US3276226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration system with turbine drive for compressor
Assignee: Carrier Corp
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Filing: 1964-10-08
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Granted: 1966-10-04
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Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 William T Osborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:54
CPC Classifications
F; F25; F25B; F25B11/00; F25B43/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
155 words
A REGRIGERATION SYSTEM, COMPRISING A REFRIGERANT SIDE OPERABLE FOR PROVIDING COOLING INCLUDING A COMPRESSOR, A CONDENSER AND A COOLER, THE COOLER FORMING A FIRST ZONE FOR RECEIVING REFRIGERANT FLUID, A POWER SIDE FOR CIRCULATING A POWER FLUID TO OPERATE SAID COMPRESSOR AND HAVING A SECOND ZONE FOR CONTAINING MIXED POWER AND REFRIGERANT FLUIDS, AND MEANS FOR SEPARATING THE MIXED FLUIDS AND PASSING THE SEPARATED FLUIDS FOR REUSE ON THEIR RESPECTIVE SIDES OF THE SYSTEM INCLUDING A THIRD ZONE PROVIDING MEANS FOR SEPARATING THE MIXED FLUIDS, MEANS FOR PASSING THE MIXED FLUIDS FROM SAID SECOND ZONE TO SAID THIRD ZONE TO SEPARATE THE MIXED FLUIDS, MEANS FOR NORMALLY PASSING THE SEPARATED POWER FLUID TO SAID POWER SIDE UNIT A LOW LIQUID LEVEL IS REACHED IN SAID THIRD ZONE, AND MEANS FOR THEN PASSING THE SEPARATED REFRIGERANT VAPOR FROM SAID THIRD ZONE TO SAID FIRST ZONE UNTIL A HIGH LIQUID LEVEL IS REACHED IN SAID THIRD ZONE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |