Patent US3118286A successfully refreshed from Google Patents.
US3118286A
Expired / Lapsed
US
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Method and apparatus for obtaining work from a compressed gas
Assignee: —
•
Filing: —
•
Granted: 1964-01-21
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Expires: 1981-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:32
CPC Classifications
F; F25; F25B; F25B9/00; F25B9/02; F25B9/04; F24; F24F; F24F5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A METHOD OF OBTAINING WORK FROM A GAS UNDER PRESSURE WHICH COMPRISES: PASSING THE COMPRESSED GAS INTO A HILSCH TUBE FOR SEPARATING THE GAS INTO A STREAM OF COLD GAS AND A STREAM OF HOT GAS; PASSING AT LEAST ONE OF SAID STREAMS THROUGH A DEVICE FOR CONVERTING A PORTION OF THE ENERGY OF THE STREAM PASSED THERETHROUGH TO WORK; USING THE WORK PRODUCED BY SAID CONVERSION FOR DRIVING AN AIR BLOWING DEVICE; AND PASSING ONE OF SAID STREAMS THROUGH A HEAT EXCHANGE DEVICE POSITIONED IN THE PATH OF THE AIR BLOWN BY
Claim 2
Independent Claim
93 words
A METHOD OF OBTAINING WORK FROM A GAS UNDER PRESSURE WHICH COMPRISES: PASSING THE COMPRESSED GAS INTO A HILSCH TUBE FOR SEPARATING THE GAS INTO A STREAM OF COLD GAS AND A STREAM OF HOT GAS; PASSING AT LEAST ONE OF SAID STREAMS THROUGH A DEVICE FOR CONVERTING A PORTION OF THE ENERGY OF THE STREAM PASSED THERETHROUGH TO WORK; USING THE WORK PRODUCED BY SAID CONVERSION FOR DRIVING AN AIR BLOWING DEVICE; AND PASSING ONE OF SAID STREAMS THROUGH A HEAT EXCHANGE DEVICE POSITIONED IN THE PATH OF THE AIR BLOWN BY
References Cited (Backward Citations)
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Cited
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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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |