Patent US5212104A successfully refreshed from Google Patents.
Patent US3075741A successfully refreshed from Google Patents.
US3075741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overspeed safety device for turbine wheels
Assignee: Fairchild Stratos Corp
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Filing: 1957-06-04
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Granted: 1963-01-29
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Expires: 1977-06-04
Abstract
No abstract record available.
Inventors
- 👤 Laubin Clarence William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:00
CPC Classifications
F; F01; F01D; F01D21/00; F01D21/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A TURBINE HAVING A DRIVEN TURBINE ROTOR EQUIPPED WITH A PLURALITY OF IMPELLER BLADES, AN OVERSPEED SAFETY MECHANISM FOR SEVERING THE TURBINE IMPELLER BLADES FROM A TURBINE ROTOR COMPRISING A SEVERING MEMBER MOUNTED ADJACENT THE TURBINE ROTOR FOR DISPLACEMENT RELATIVE TO THE ROTOR TO BRING THE SEVERING MEMBER INTO ENGAGEMENT WITH THE TURBINE ROTOR IN THE EVENT OF OVERSPEED OPERATION OF THE TURBINE ROTOR, FORCE-EXERTING MEANS ACTING ON THE SEVERING MEMBER TO URGE THE SEVERING MEMBER INTO ENGAGEMENT WITH THE TURBINE ROTOR IN ORDER TO BRING ABOUT SEVERANCE OF THE IMPELLER BLADES FROM THE TURBINE ROTOR, RESTRAINING MEANS ACTING ON THE FORCE-EXERTING MEANS TO PREVENT THE DISPLACEMENT OF THE BLADE SEVERING MEMBER, AND RELEASING MEANS DRIVEN BY THE TURBINE ROTOR RESPONSIVE TO THE OVERSPEED CONDITION FOR RENDERING SAID RESTRAINING MEANS INOPERATIVE.
Claim 2
Dependent Claim
132 words
IN A TURBINE HAVING A DRIVEN TURBINE ROTOR EQUIPPED WITH A PLURALITY OF IMPELLER BLADES, AN OVERSPEED SAFETY MECHANISM FOR SEVERING THE TURBINE IMPELLER BLADES FROM A TURBINE ROTOR COMPRISING A SEVERING MEMBER MOUNTED ADJACENT THE TURBINE ROTOR FOR DISPLACEMENT RELATIVE TO THE ROTOR TO BRING THE SEVERING MEMBER INTO ENGAGEMENT WITH THE TURBINE ROTOR IN THE EVENT OF OVERSPEED OPERATION OF THE TURBINE ROTOR, FORCE-EXERTING MEANS ACTING ON THE SEVERING MEMBER TO URGE THE SEVERING MEMBER INTO ENGAGEMENT WITH THE TURBINE ROTOR IN ORDER TO BRING ABOUT SEVERANCE OF THE IMPELLER BLADES FROM THE TURBINE ROTOR, RESTRAINING MEANS ACTING ON THE FORCE-EXERTING MEANS TO PREVENT THE DISPLACEMENT OF THE BLADE SEVERING MEMBER, AND RELEASING MEANS DRIVEN BY THE TURBINE ROTOR RESPONSIVE TO THE OVERSPEED CONDITION FOR RENDERING SAID RESTRAINING MEANS INOPERATIVE.
References Cited (Backward Citations)
US1469045A
Cited
US1591937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |