Patent US3294364A successfully refreshed from Google Patents.
US3294364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor assembly
Assignee: General Electric Co
•
Filing: 1962-01-02
•
Granted: 1966-12-27
•
Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Max W Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:58
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/005; F01D11/006; F01D11/008; F01D5/00; F01D5/30; F01D5/3007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A ROTOR ASSEMBLY FOR AN AXIAL FLOW TURBOMACHINE COMPRISING THE COMBINATION OF A ROTOR WHEEL HAVING A PLURALITY OF AXIALLY EXTENDING UNDERCUT GROOVES IN THE PERIPHERAY THEREOF, A PLURALITY OF ROTOR BLADES HAVING AIRFOIL SHANK AND BASE PORTIONS, SAID BASE PORTIONS SHAPED TO INTERFIT WITH ALTERNATE GROOVES IN SAID WHEEL TO HOLD AND CIRCUMFERENTIALLY SPACE AND BLADES TO EXTEND RADIALLY FROM SAID WHEEL, A PLURALITY OF BAFFLES FOR PREVENTING THE AXIAL FLOW OF GAS BETWEEN ADJACENT BLADE SHANKS, EACH BAFFLE COMPRISING A FIRST WALL MEMBER EXTENDING NORMAL TO AND AROUND A BLADE AT THE JUNCTURE OF SAID AIRFOIL AND SHANK PORTIONS AND HAVING AN OPENING THERETHROUGH FITTING THE CONTOUR OF THE BLADE AT THAT POINT, A SECOND WALL MEANS EXTENDING RADIALLY BETWEEN SAID FIRST WALL MEMBER AND SAID ROTOR WHEEL ON THE UPSTREAM SIDE OF SAID BLADE, THIRD WALL MEMBERS EXTENDING TRANSVERSE TO SAID ROTOR WHEEL ON EACH SIDE OF SAID BLADE AND ATTACHED TO SAID FIRST AND SECOND WALL MEANS, SAID THIRD WALL MEMBERS HAVING MEANS FOR ATTACHMENT TO SAID ROTOR WHEEL COMPRISING A BASE PORTION WHICH WITH THE ADJACENT BAFFLE THIRD WALL MEMBER INTERFITS WITH THE REMAINING ALTERNATE UNDERCUT GROOVES TO LOCK SAID BAFFLES TO SAID ROTOR WHEEL.
Claim 2
Dependent Claim
200 words
A ROTOR ASSEMBLY FOR AN AXIAL FLOW TURBOMACHINE COMPRISING THE COMBINATION OF A ROTOR WHEEL HAVING A PLURALITY OF AXIALLY EXTENDING UNDERCUT GROOVES IN THE PERIPHERAY THEREOF, A PLURALITY OF ROTOR BLADES HAVING AIRFOIL SHANK AND BASE PORTIONS, SAID BASE PORTIONS SHAPED TO INTERFIT WITH ALTERNATE GROOVES IN SAID WHEEL TO HOLD AND CIRCUMFERENTIALLY SPACE AND BLADES TO EXTEND RADIALLY FROM SAID WHEEL, A PLURALITY OF BAFFLES FOR PREVENTING THE AXIAL FLOW OF GAS BETWEEN ADJACENT BLADE SHANKS, EACH BAFFLE COMPRISING A FIRST WALL MEMBER EXTENDING NORMAL TO AND AROUND A BLADE AT THE JUNCTURE OF SAID AIRFOIL AND SHANK PORTIONS AND HAVING AN OPENING THERETHROUGH FITTING THE CONTOUR OF THE BLADE AT THAT POINT, A SECOND WALL MEANS EXTENDING RADIALLY BETWEEN SAID FIRST WALL MEMBER AND SAID ROTOR WHEEL ON THE UPSTREAM SIDE OF SAID BLADE, THIRD WALL MEMBERS EXTENDING TRANSVERSE TO SAID ROTOR WHEEL ON EACH SIDE OF SAID BLADE AND ATTACHED TO SAID FIRST AND SECOND WALL MEANS, SAID THIRD WALL MEMBERS HAVING MEANS FOR ATTACHMENT TO SAID ROTOR WHEEL COMPRISING A BASE PORTION WHICH WITH THE ADJACENT BAFFLE THIRD WALL MEMBER INTERFITS WITH THE REMAINING ALTERNATE UNDERCUT GROOVES TO LOCK SAID BAFFLES TO SAID ROTOR WHEEL.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |