US3327495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas cooling system
Assignee: Sulzer AG
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Filing: 1965-12-10
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Granted: 1967-06-27
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Expires: 1985-12-10
Abstract
No abstract record available.
Inventors
- 👤 Ergenc Sahabettin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:45
CPC Classifications
F; F25; F25B; F25B9/00; F25B9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A GAS COOLING SYSTEM COMPRISING A COMPRESSOR, A LOAD, AN EXPANSION MACHINE, FIRST AND SECOND HEAT EXCHANGERS, EACH OF SAID EXCHANGERS INCLUDING TWO CHANNELS IN HEAT EXCHANGE RELATION, AND CONDUIT MEANS CONNECTING THE COMPRESSOR, MACHINE, HEAT EXCHANGERS AND LOAD INTO A CLOSED CYCLE FOR FLOW OF GAS FROM THE COMPRESSOR TO ONE CHANNEL OF THE FIRST HEAT EXCHANGER, TO ONE CHANNEL OF THE SECOND HEAT EXCHANGER, TO THE LOAD, TO THE OTHER CHANNEL OF THE FIRST HEAT EXCHANGER, TO THE MACHINE, TO THE OTHER CHANNEL OF THE SECOND HEAT EXCHANGER, AND BACK TO THE COMPRESSOR.
Claim 2
Dependent Claim
95 words
A GAS COOLING SYSTEM COMPRISING A COMPRESSOR, A LOAD, AN EXPANSION MACHINE, FIRST AND SECOND HEAT EXCHANGERS, EACH OF SAID EXCHANGERS INCLUDING TWO CHANNELS IN HEAT EXCHANGE RELATION, AND CONDUIT MEANS CONNECTING THE COMPRESSOR, MACHINE, HEAT EXCHANGERS AND LOAD INTO A CLOSED CYCLE FOR FLOW OF GAS FROM THE COMPRESSOR TO ONE CHANNEL OF THE FIRST HEAT EXCHANGER, TO ONE CHANNEL OF THE SECOND HEAT EXCHANGER, TO THE LOAD, TO THE OTHER CHANNEL OF THE FIRST HEAT EXCHANGER, TO THE MACHINE, TO THE OTHER CHANNEL OF THE SECOND HEAT EXCHANGER, AND BACK TO THE COMPRESSOR.
References Cited (Backward Citations)
US3194026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |