← Back to Patent Explorer
US3074236A Expired / Lapsed US ⏱️ 0.0 years remaining

Multi-cylinder condensing steam turbines

Assignee: English Electric Co Ltd
•
Filing: 1961-07-03
•
Granted: 1963-01-22
•
Expires: 1981-07-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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 05:07
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)

US1369668A Cited
US1657433A Cited
US1066209A Cited
US1751602A Cited
US1716132A Cited
US2265612A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag