US3327995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bladed rotor
Assignee: Rolls Royce PLC
•
Filing: 1966-07-07
•
Granted: 1967-06-27
•
Expires: 1986-07-07
Abstract
No abstract record available.
Inventors
- 👤 Blackhurst Robert Vaughan
- 👤 Harrison William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:38
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/22; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A ROTOR FOR A COMPRESSOR OR TURBINE OF A GAS TURBINE ENGINE COMPRISING: A ROTOR DISC MEMBER; A PLURALITY OF BLADES MOUNTED ON THE PERIPHERY OF SAID ROTOR DISC MEMBER, EACH OF SAID BLADES HAVING AEROFOIL SHAPED SURFACES; AT LEAST ONE CLAPPER MEMBER PROJECTING FROM THE AEROFOIL SURFACE OF EACH OF SAID BLADES, EACH CLAPPER MEMBER PROJECTING TOWARDS THE CLAPPER MEMBER OF THE NEXT ADJACENT BLADE; AND A SLEEVE-LIKE CONNECTING MEMBER FITTING OVER ADJACENT ENDS OF ADJACENT CLAPPER MEMBERS OF TWO ADJACENT BLADES IN AT LEAST EACH ALTERNATE SPACE BETWEEN THE BLADES TO SECURE THE ENDS OF SAID ADJACENT CLAPPER MEMBERS TOGETHER, SAID CONNECTING MEMBER BEING MADE FROM A STRIP OF MATERIAL STRONG IN SHEER AND READILY PEELABLE WHEREBY SAID CONNECTING MEMBER MAY BE PEELED OFF OF SAID ADJACENT CLAPPER MEMBERS WHEN IT IS NECESSARY TO REMOVE A BLADE FROM SAID DISC MEMBER.
Claim 2
Dependent Claim
143 words
A ROTOR FOR A COMPRESSOR OR TURBINE OF A GAS TURBINE ENGINE COMPRISING: A ROTOR DISC MEMBER; A PLURALITY OF BLADES MOUNTED ON THE PERIPHERY OF SAID ROTOR DISC MEMBER, EACH OF SAID BLADES HAVING AEROFOIL SHAPED SURFACES; AT LEAST ONE CLAPPER MEMBER PROJECTING FROM THE AEROFOIL SURFACE OF EACH OF SAID BLADES, EACH CLAPPER MEMBER PROJECTING TOWARDS THE CLAPPER MEMBER OF THE NEXT ADJACENT BLADE; AND A SLEEVE-LIKE CONNECTING MEMBER FITTING OVER ADJACENT ENDS OF ADJACENT CLAPPER MEMBERS OF TWO ADJACENT BLADES IN AT LEAST EACH ALTERNATE SPACE BETWEEN THE BLADES TO SECURE THE ENDS OF SAID ADJACENT CLAPPER MEMBERS TOGETHER, SAID CONNECTING MEMBER BEING MADE FROM A STRIP OF MATERIAL STRONG IN SHEER AND READILY PEELABLE WHEREBY SAID CONNECTING MEMBER MAY BE PEELED OFF OF SAID ADJACENT CLAPPER MEMBERS WHEN IT IS NECESSARY TO REMOVE A BLADE FROM SAID DISC MEMBER.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |