US3074690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixed nozzle support for gas turbine engine
Assignee: Old Carco LLC
•
Filing: 1960-09-15
•
Granted: 1963-01-22
•
Expires: 1980-09-15
Abstract
No abstract record available.
Inventors
- 👤 Henny Willi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:12
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
IN A GAS TURBINE ENGINE, A ROTOR, A FIXED HUB FOR SAID ROTOR, A SHAFT SECURED COAXIALLY TO SAID ROTOR FOR ROTATION THEREWITH AND JOURNALLED IN SAID HUB, PASSAGE MEANS FOR CONDUCTING HOT MOTIVE GASES TO SAID ROTOR TO DRIVE THE SAME, A PLURALITY OF FLOW DIRECTING NOZZLES IN SAID PASSAGE MEANS ADJACENT SAID ROTOR AND SPACED AROUND ITS AXIS OF ROTATION, SAID NOZZLES HAVING FOOTINGS EXTENDING RADIALLY INWARDLY, A PAIR OF HEAT DISSIPATING MEANS ARRANGED AROUND SAID AXIS, ONE OF SAID HEAT DISSIPATING MEANS ENGAGING SAID FOOTINGS AT ONE AXIAL SIDE THEREOF, THE OTHER OF SAID HEAT DISSIPATING MEANS ENGAGING SAID FOOTINGS AT THE OPPOSITE AXIAL SIDE THEREOF, SAID HEAT DISSIPATING MEANS ENGAGING THE OPPOSITE SIDES OF SAID FOOTINGS COOPERATING TO COMPRISE SUPPORTING MEANS FOR SAID FOOTINGS AND EXTENDING AXIALLY AND RADIALLY INWARDLY THEREFROM TO SAID HUB AND BEING SECURED THERETO IN HEAT TRANSFER RELATIONSHIP, MEANS SHIELDING SAID HUB FROM SAID HOT MOTIVE GASES TO EFFECT AN APPRECIABLE AXIAL TEMPERATURE GRADIENT ALONG THE AXIAL LENGTHS OF SAID HEAT DISSIPATING MEANS TO ENABLE RADIAL THERMAL EXPANSION AND CONTRACTION OF SAID SUPPORTING MEANS COMPARATIVELY FREELY IN CONFORMITY WITH THE RADIAL THERMAL EXPANSION AND CONTRACTION OF SAID ROTOR.
Claim 2
Dependent Claim
196 words
IN A GAS TURBINE ENGINE, A ROTOR, A FIXED HUB FOR SAID ROTOR, A SHAFT SECURED COAXIALLY TO SAID ROTOR FOR ROTATION THEREWITH AND JOURNALLED IN SAID HUB, PASSAGE MEANS FOR CONDUCTING HOT MOTIVE GASES TO SAID ROTOR TO DRIVE THE SAME, A PLURALITY OF FLOW DIRECTING NOZZLES IN SAID PASSAGE MEANS ADJACENT SAID ROTOR AND SPACED AROUND ITS AXIS OF ROTATION, SAID NOZZLES HAVING FOOTINGS EXTENDING RADIALLY INWARDLY, A PAIR OF HEAT DISSIPATING MEANS ARRANGED AROUND SAID AXIS, ONE OF SAID HEAT DISSIPATING MEANS ENGAGING SAID FOOTINGS AT ONE AXIAL SIDE THEREOF, THE OTHER OF SAID HEAT DISSIPATING MEANS ENGAGING SAID FOOTINGS AT THE OPPOSITE AXIAL SIDE THEREOF, SAID HEAT DISSIPATING MEANS ENGAGING THE OPPOSITE SIDES OF SAID FOOTINGS COOPERATING TO COMPRISE SUPPORTING MEANS FOR SAID FOOTINGS AND EXTENDING AXIALLY AND RADIALLY INWARDLY THEREFROM TO SAID HUB AND BEING SECURED THERETO IN HEAT TRANSFER RELATIONSHIP, MEANS SHIELDING SAID HUB FROM SAID HOT MOTIVE GASES TO EFFECT AN APPRECIABLE AXIAL TEMPERATURE GRADIENT ALONG THE AXIAL LENGTHS OF SAID HEAT DISSIPATING MEANS TO ENABLE RADIAL THERMAL EXPANSION AND CONTRACTION OF SAID SUPPORTING MEANS COMPARATIVELY FREELY IN CONFORMITY WITH THE RADIAL THERMAL EXPANSION AND CONTRACTION OF SAID ROTOR.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |