US3277238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling system utilizing a ranque tube
Assignee: Babcock and Wilcox Co
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Filing: 1964-01-24
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Granted: 1966-10-04
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Paul E Sharp
- 👤 William R Markwood
- 👤 Don F Bletzacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:35
CPC Classifications
F; F25; F25B; F25B9/00; F25B9/02; F25B9/04; H; H04; H04N; H04N23/00; H04N23/50; H04N23/51
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
APPARATUS FOR UTILIZING AIR UNDER PRESSURE FOR COOLING A TEMPERATURE SENSITIVE DEVICE HAVING VENTILATION OPENINGS IN THE CASING THEREOF, COMPRISING A SUBSTANTIALLY ENCLOSED ENVIROMENTAL HOUSING, SUPPORT MEANS IN SAID HOUSING FOR SUPPORTING THE DEVICE TO BE COOLED, COOLING MEANS MOUNTED ON SAID HOUSING INCLUDING A BORE, COMPRESSED AIR INLET MEANS FOR INTRODUCING COMPRESSED AIR TANGENTIALLY INTO SAID BORE ADJACENT ONE END THEREOF, ORIFICE MEANS ADJACENT SAID COMPRESSED AIR INLET ON THE OPPOSITE SIDE THEREOF FROM SAID BORE, MEANS FOR COMMUNICATING AIR PASSING THROUGH SAID ORIFICE INTO CERTAIN OF THE VENTILATION OPENINGS IN THE CASING FOR THE DEVICE AND VENT MEANS IN SAID HOUSING FOR VENTING TO ATMOSPHERE THE AIR ISSUING FROM THE OTHER VENTILATION OPENINGS.
Claim 2
Dependent Claim
115 words
APPARATUS FOR UTILIZING AIR UNDER PRESSURE FOR COOLING A TEMPERATURE SENSITIVE DEVICE HAVING VENTILATION OPENINGS IN THE CASING THEREOF, COMPRISING A SUBSTANTIALLY ENCLOSED ENVIROMENTAL HOUSING, SUPPORT MEANS IN SAID HOUSING FOR SUPPORTING THE DEVICE TO BE COOLED, COOLING MEANS MOUNTED ON SAID HOUSING INCLUDING A BORE, COMPRESSED AIR INLET MEANS FOR INTRODUCING COMPRESSED AIR TANGENTIALLY INTO SAID BORE ADJACENT ONE END THEREOF, ORIFICE MEANS ADJACENT SAID COMPRESSED AIR INLET ON THE OPPOSITE SIDE THEREOF FROM SAID BORE, MEANS FOR COMMUNICATING AIR PASSING THROUGH SAID ORIFICE INTO CERTAIN OF THE VENTILATION OPENINGS IN THE CASING FOR THE DEVICE AND VENT MEANS IN SAID HOUSING FOR VENTING TO ATMOSPHERE THE AIR ISSUING FROM THE OTHER VENTILATION OPENINGS.
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 |