Patent US4184537A successfully refreshed from Google Patents.
Patent US3074236A successfully refreshed from Google Patents.
US3074236A
Expired / Lapsed
US
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Multi-cylinder condensing steam turbines
Assignee: English Electric Co Ltd
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Filing: 1961-07-03
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Granted: 1963-01-22
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Caldwell John
- 👤 Watson Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:41
CPC Classifications
F; F01; F01K; F01K11/00; F01K11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A MULTI-CYLINDER CONDENSING STEAM TURBINE PLANT COMPRISING IN COMBINATION: A HIGH PRESSURE CASING, AN INTERMEDIATE PRESSURE CASING AND SEVERAL LOW PRESSURE CASING ARRANGED IN ALIGNMENT WITH ONE ANOTHER, SHAFTS OF ALL SAID CASINGS COUPLED TO ONE ANOTHER, AN ALTERNATOR AND AN EXCITER ARRANGED IN ALIGNMENT WITH SAID CASINGS AND COUPLED TO THE FREE END OF THE SHAFT OF THE LAST OF SAID LOW PRESSURE CASINGS, SAID LOW PRESSURE CASINGS HAVING EACH A REMOVABLE UPPER HOOD PORTION AND A LOWER EXHAUST CHAMBER PORTION, A CONDENSER FIXEDLY CONNECTED TO SAID EXHAUST CHAMBER PORTIONS AND FORMING A BEAM STRUCTURE WITH THEM EXTENDING IN A DIRECTION PARALLEL TO SAID SHAFTS, A FIRST PERMANENT SUPPORT STRUCTURE SUPPORTING SAID HIGH PRESSURE AND MEDIUM PRESSURE CYLINDERS AND A SECOND PERMANENT SUPPORT STRUCTURE SUPPORTING SAID ALTERNATOR AND EXCITER, SAID BEAM STRUCTURE BEING SUPPORTED AT EACH END BY ONE OF SAID PERMANENT SUPPORT STRUCTURES FORMING A BRIDGE BETWEEN THEM.
Claim 2
Dependent Claim
150 words
A MULTI-CYLINDER CONDENSING STEAM TURBINE PLANT COMPRISING IN COMBINATION: A HIGH PRESSURE CASING, AN INTERMEDIATE PRESSURE CASING AND SEVERAL LOW PRESSURE CASING ARRANGED IN ALIGNMENT WITH ONE ANOTHER, SHAFTS OF ALL SAID CASINGS COUPLED TO ONE ANOTHER, AN ALTERNATOR AND AN EXCITER ARRANGED IN ALIGNMENT WITH SAID CASINGS AND COUPLED TO THE FREE END OF THE SHAFT OF THE LAST OF SAID LOW PRESSURE CASINGS, SAID LOW PRESSURE CASINGS HAVING EACH A REMOVABLE UPPER HOOD PORTION AND A LOWER EXHAUST CHAMBER PORTION, A CONDENSER FIXEDLY CONNECTED TO SAID EXHAUST CHAMBER PORTIONS AND FORMING A BEAM STRUCTURE WITH THEM EXTENDING IN A DIRECTION PARALLEL TO SAID SHAFTS, A FIRST PERMANENT SUPPORT STRUCTURE SUPPORTING SAID HIGH PRESSURE AND MEDIUM PRESSURE CYLINDERS AND A SECOND PERMANENT SUPPORT STRUCTURE SUPPORTING SAID ALTERNATOR AND EXCITER, SAID BEAM STRUCTURE BEING SUPPORTED AT EACH END BY ONE OF SAID PERMANENT SUPPORT STRUCTURES FORMING A BRIDGE BETWEEN THEM.
References Cited (Backward Citations)
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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 |