Patent US3464313A successfully refreshed from Google Patents.
Patent US3085398A successfully refreshed from Google Patents.
US3085398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable-clearance shroud structure for gas turbine engines
Assignee: General Electric Co
•
Filing: 1961-01-10
•
Granted: 1963-04-16
•
Expires: 1981-01-10
Abstract
No abstract record available.
Inventors
- 👤 Ingleson James Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:43
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/08; F01D11/14; F01D11/20; F01D11/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A GAS TURBINE ENGINE, A TURBINE WHEEL, FUEL FLOW CONTROL MEANS FOR REGULATING THE TEMPERATURE OF A FLOW OF WORKING FLUID TO SAID TURBINE WHEEL, A SEGMENTED SHROUD RING, MEANS ADJUSTABLY SUPPORTING SAID SHROUD RING CIRCUMFERENTIALLY ABOUT SAID TURBINE WHEEL TO FORM A VARIABLE ANNULAR CLEARANCE SPACE THEREABOUT, AND LINKAGE MEANS DRIVINGLY CONNECTING THE SEGMENTS OF SAID SHROUD RING WITH SAID FUEL FLOW CONTROL MEANS TO ADJUST SAID CLEARANCE SPACE IN OPPOSITION TO THE NORMAL CLEARANCE VARIATION RESULTING FROM THE RELATIVE THERMAL CHARACTERISTICS OF SAID TURBINE WHEEL AND SAID SHROUD RING, SAID CLEARANCE SPACE BEING VARIED AS A FUNCTION OF THE RATE OF FUEL FLOW SUPPLIED TO THE GAS TURBINE ENGINE BY SAID FUEL FLOW CONTROL MEANS.
Claim 2
Dependent Claim
118 words
IN A GAS TURBINE ENGINE, A TURBINE WHEEL, FUEL FLOW CONTROL MEANS FOR REGULATING THE TEMPERATURE OF A FLOW OF WORKING FLUID TO SAID TURBINE WHEEL, A SEGMENTED SHROUD RING, MEANS ADJUSTABLY SUPPORTING SAID SHROUD RING CIRCUMFERENTIALLY ABOUT SAID TURBINE WHEEL TO FORM A VARIABLE ANNULAR CLEARANCE SPACE THEREABOUT, AND LINKAGE MEANS DRIVINGLY CONNECTING THE SEGMENTS OF SAID SHROUD RING WITH SAID FUEL FLOW CONTROL MEANS TO ADJUST SAID CLEARANCE SPACE IN OPPOSITION TO THE NORMAL CLEARANCE VARIATION RESULTING FROM THE RELATIVE THERMAL CHARACTERISTICS OF SAID TURBINE WHEEL AND SAID SHROUD RING, SAID CLEARANCE SPACE BEING VARIED AS A FUNCTION OF THE RATE OF FUEL FLOW SUPPLIED TO THE GAS TURBINE ENGINE BY SAID FUEL FLOW CONTROL MEANS.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |