Patent US3301529A successfully refreshed from Google Patents.
US3301529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam turbines
Assignee: Merz and Mclellan Services Ltd
•
Filing: 1965-05-11
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Granted: 1967-01-31
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Expires: 1985-05-11
Abstract
No abstract record available.
Inventors
- 👤 Wood Basil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:55
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A STEAM TURBINE OF SUBSTANTIALLY AXIAL FLOW TYPE INCLUDING A ROTOR HAVING ROTOR BLADES AND A STATOR HAVING STATOR VANES INCLUDING AT LEAST ONE STAGE WHICH IS LIABLE TO WORK WITH STATURATED STEAM, A WATER DIVETOR COMPRISING A STATOR VANE OF THE SAID STAGE, SAID DIVERTOR COMPRISING A SHOULDER ON THE BODY OF SAID VANE ADJACENT THE END REMOTE FROM THE TURBINE AXIS, SAID SHOULDER BEING SHALLOW IN RELATION TO THE PITCH OF THE STATOR VANES, SAID SHOULDER BEING SO INCLINED THAT ITS UPSTREAM END IS NEARER THAN ITS DOWNSTREAM END TOE THE TURBINE AXIS, SAID SHOULDER BEING POSITIONED ON THE UPSTREAM SIDE OF SAID VANE SO AS TO FACE UPSTREAM AND AWAY FROM SAID TURBINE AXIS, WHEREBY SAID SHOULDER IS OPERATIVE TO DIVERT AWAY FROM SAID AXIS ANY WATER DEPOSITS CREEPING ALONG SAID VANE WHILE ALLOWING THE USEFUL STEAM TO PASS OVER THE SAME FOR FURTHER USE.
Claim 2
Dependent Claim
148 words
A STEAM TURBINE OF SUBSTANTIALLY AXIAL FLOW TYPE INCLUDING A ROTOR HAVING ROTOR BLADES AND A STATOR HAVING STATOR VANES INCLUDING AT LEAST ONE STAGE WHICH IS LIABLE TO WORK WITH STATURATED STEAM, A WATER DIVETOR COMPRISING A STATOR VANE OF THE SAID STAGE, SAID DIVERTOR COMPRISING A SHOULDER ON THE BODY OF SAID VANE ADJACENT THE END REMOTE FROM THE TURBINE AXIS, SAID SHOULDER BEING SHALLOW IN RELATION TO THE PITCH OF THE STATOR VANES, SAID SHOULDER BEING SO INCLINED THAT ITS UPSTREAM END IS NEARER THAN ITS DOWNSTREAM END TOE THE TURBINE AXIS, SAID SHOULDER BEING POSITIONED ON THE UPSTREAM SIDE OF SAID VANE SO AS TO FACE UPSTREAM AND AWAY FROM SAID TURBINE AXIS, WHEREBY SAID SHOULDER IS OPERATIVE TO DIVERT AWAY FROM SAID AXIS ANY WATER DEPOSITS CREEPING ALONG SAID VANE WHILE ALLOWING THE USEFUL STEAM TO PASS OVER THE SAME FOR FURTHER USE.
References Cited (Backward Citations)
US1696002A
Cited
US1834451A
Cited
US1736612A
Cited
CH164297A
Cited
US2121645A
Cited
US2399009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |