US3209552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling systems for gases
Assignee: BOC Group Ltd
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Filing: 1964-12-14
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Granted: 1965-10-05
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Garrett Michael Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:59
CPC Classifications
F; F01; F01D; F01D15/00; F01D15/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
COOLING SYSTEM FOR A GAS COMPRISING AN EXPANSION TURBINE FOR EXPANDING AND COOLING THE GAS, A COMPRESSOR DRIVEN BY SAID TURBINE, A HEAT EXCHANGER, A CLOSED GAS CYCLE INCLUDING SAID COMPRESSOR AND ONE PHASE OF SAID HEAT EXCHANGER BUT NOT SAID TURBINE, A SUPPLY LINE FOR SUPPLYING A COOLANT FLUID TO THE OTHER PHASE OF SAID HEAT EXCHANGER, AN OUTLET LINE FOR WITHDRAWING COOLANT FLUID FROM THE OTHER PHASE OF SAID HEAT EXCHANGER AND A THROTTLING MEMBER CONTROLLING THE FLOW OF COOLANT FLUID THROUGH SAID OTHER PHASE OF SAID HEAT EXCHANGER.
Claim 2
Dependent Claim
91 words
COOLING SYSTEM FOR A GAS COMPRISING AN EXPANSION TURBINE FOR EXPANDING AND COOLING THE GAS, A COMPRESSOR DRIVEN BY SAID TURBINE, A HEAT EXCHANGER, A CLOSED GAS CYCLE INCLUDING SAID COMPRESSOR AND ONE PHASE OF SAID HEAT EXCHANGER BUT NOT SAID TURBINE, A SUPPLY LINE FOR SUPPLYING A COOLANT FLUID TO THE OTHER PHASE OF SAID HEAT EXCHANGER, AN OUTLET LINE FOR WITHDRAWING COOLANT FLUID FROM THE OTHER PHASE OF SAID HEAT EXCHANGER AND A THROTTLING MEMBER CONTROLLING THE FLOW OF COOLANT FLUID THROUGH SAID OTHER PHASE OF SAID HEAT EXCHANGER.
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) | 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 |