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US3142155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engine cooling arrangement
Assignee: General Electric Co
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Filing: 1961-11-29
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Granted: 1964-07-28
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Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Levesque Robert Lucien
- 👤 Babcock Roger Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:39
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/16; F02C7/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A GAS TURBINE ENGINE INCLUDING A CASING AND COMBUSTION MEANS EXTENDING AXIALLY OF SAID ENGINE, SAID COMBUSTION MEANS INCLUDING AN AXIALLY EXTENDING PERFORATED LINER SPACED RADIALLY FROM SAID CASING TO FORM A SPACE BETWEEN SAID LINER AND SAID CASING, THE UPSTREAM END OF SAID SPACE BEING SUPPLIED WITH COMPRESSED AIR AND HOT COMBUSTION PRODUCTS BEING DISCHARGED FROM THE INTERIOR OF SAID LINER AT ITS DOWNSTREAM END; COOLING MEANS COMPRISING A COOLING TUBE PROJECTING INTO SAID SPACE ADJACENT THE DOWNSTREAM END OF SAID LINER, SAID TUBE CONTAINING AN INLET OPENING DISPOSED PERPENDICULARLY TO THE DIRECTION OF FLOW OF COMPRESSED AIR IN SAID SPACE, AND A PASSAGE WITHIN SAID TUBE COMMUNICATING WITH SAID INLET OPENING AND WITH THE PORTIONS OF SAID CASING EXPOSED TO SAID HOT COMBUSTION PRODUCTS, WHEREBY COMPRESSED AIR IS DIRECTED THROUGH SAID PASSAGE TO COOL THE HOT PORTIONS OF SAID CASING.
Claim 2
Dependent Claim
143 words
IN A GAS TURBINE ENGINE INCLUDING A CASING AND COMBUSTION MEANS EXTENDING AXIALLY OF SAID ENGINE, SAID COMBUSTION MEANS INCLUDING AN AXIALLY EXTENDING PERFORATED LINER SPACED RADIALLY FROM SAID CASING TO FORM A SPACE BETWEEN SAID LINER AND SAID CASING, THE UPSTREAM END OF SAID SPACE BEING SUPPLIED WITH COMPRESSED AIR AND HOT COMBUSTION PRODUCTS BEING DISCHARGED FROM THE INTERIOR OF SAID LINER AT ITS DOWNSTREAM END; COOLING MEANS COMPRISING A COOLING TUBE PROJECTING INTO SAID SPACE ADJACENT THE DOWNSTREAM END OF SAID LINER, SAID TUBE CONTAINING AN INLET OPENING DISPOSED PERPENDICULARLY TO THE DIRECTION OF FLOW OF COMPRESSED AIR IN SAID SPACE, AND A PASSAGE WITHIN SAID TUBE COMMUNICATING WITH SAID INLET OPENING AND WITH THE PORTIONS OF SAID CASING EXPOSED TO SAID HOT COMBUSTION PRODUCTS, WHEREBY COMPRESSED AIR IS DIRECTED THROUGH SAID PASSAGE TO COOL THE HOT PORTIONS OF SAID CASING.
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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |