US3238718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engine
Assignee: Boeing Co
•
Filing: 1964-01-30
•
Granted: 1966-03-08
•
Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 Henry C Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:07
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/08; F02C3/085
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
148 words
IN A GAS TURBINE ENGINE, THE COMBINATION OF A TURBINE WHEEL, MEANS DEFINING AN ANNULAR INJECTOR NOZZLE WHICH IS FIXED IN A RELATIVELY COAXIAL POSITION ADJACENT THE WHEEL, AND AN ANNULAR PLENUM CHAMBER WHICH IS DISPOSED ABOUT THE NOZZLE AND HAS AN ANNULAR TROUGH AROUND THE INNER PERIPHERY THEREOF WHICH CONNECTS THE INTERIOR OF THE CHAMBER WITH THE NOZZLE, MEANS SUPPLYING COMPRESSED AIR TO THE CHAMBER, COMBUSTOR MEANS FOR THE AIR WHICH FORM A GAS ANNULUS IN THE TROUGH, AND A SERIES OF COOLANT AIR NOZZLES OPERATING TO CONTROL THE TEMPERATURE OF THE ANNULUS, WHICH AIR NOZZLES ARE FORMED IN THE CHAMBER ABOUT THE TROUGH WITH THEIR DISCHARGE OPENINGS ARRANGED TO DISCHARGE INTO THE TROUGH ALONG TANGENTS TO A SET OF POINTS POSITIONED IN THE TROUGH AT ANGULAR INTERVALS ABOUT THE NOZZLE SO THAT THE ANNULUS HAS A SWIRLING MOTION IN ONE DIRECTION OF ROTATION ABOUT THE TROUGH.
References Cited (Backward Citations)
US2446847A
Cited
US2532831A
Cited
US2631430A
Cited
US2661594A
Cited
US2895295A
Cited
US3029602A
Cited
US3010281A
Cited
US2933895A
Cited
US3001366A
Cited
US3048015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |