US3280559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship propulsion power plant
Assignee: Babcock International Ltd
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Filing: 1964-09-25
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Granted: 1966-10-25
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Expires: 1984-09-25
Abstract
No abstract record available.
Inventors
- 👤 Edward G Hutchings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:12
CPC Classifications
F; F22; F22G; F22G7/00; F22G7/14; F22B; F22B35/00; F22B35/001; F22G5/00; F22G5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A SHIP PROPULSION SYSTEM COMPRISING FORWARD DRIVE TURBINE MEANS INCLUDING A SUPERHEAT STAGE AND A REHEAT STAGE, ASTERN DRIVE TURBINE MEANS INCLUDING ONLY A SUPERHEAT STAGE, AND MEANS FOR SELECTIVELY SUPPLYING SUPERHEATED AND REHEATED VAPOR TO SAID FORWARD DRIVE TURBINE MEANS OR ONLY SUPERHEATED VAPOR TO SAID ASTERN DRIVE TURBINE MEANS INCLUDING A VAPOR GENERATOR, SAID VAPOR GENERATOR INCLUDING WALLS DEFINING A FURNACE CHAMBER, MEANS FOR BURNING FUEL IN SAID FURNANCE CHAMBER TO PRODUCE HIGH TEMPERATURE HEATING GASES, MEANS DEFINING A HEATING GAS PASS CONNECTED FOR THE FLOW THERETHROUGH OF HIGH TEMPERATURE GASES FROM SAID FURNANCE CHAMBER, SUPERHEATED AND REHEATER TUBE BANKS DISPOSED IN SAID HEATING GAS PASS, AND MEANS FOR PREVENTING OVERHEATING OF THE TUBES OF SAID REHEATER TUBE BANK WHEN SUPERHEATEDF STEAM IS SUPPLIED TO SAID ASTERN DRIVE TURBINE MEANS.
Claim 2
Dependent Claim
132 words
A SHIP PROPULSION SYSTEM COMPRISING FORWARD DRIVE TURBINE MEANS INCLUDING A SUPERHEAT STAGE AND A REHEAT STAGE, ASTERN DRIVE TURBINE MEANS INCLUDING ONLY A SUPERHEAT STAGE, AND MEANS FOR SELECTIVELY SUPPLYING SUPERHEATED AND REHEATED VAPOR TO SAID FORWARD DRIVE TURBINE MEANS OR ONLY SUPERHEATED VAPOR TO SAID ASTERN DRIVE TURBINE MEANS INCLUDING A VAPOR GENERATOR, SAID VAPOR GENERATOR INCLUDING WALLS DEFINING A FURNACE CHAMBER, MEANS FOR BURNING FUEL IN SAID FURNANCE CHAMBER TO PRODUCE HIGH TEMPERATURE HEATING GASES, MEANS DEFINING A HEATING GAS PASS CONNECTED FOR THE FLOW THERETHROUGH OF HIGH TEMPERATURE GASES FROM SAID FURNANCE CHAMBER, SUPERHEATED AND REHEATER TUBE BANKS DISPOSED IN SAID HEATING GAS PASS, AND MEANS FOR PREVENTING OVERHEATING OF THE TUBES OF SAID REHEATER TUBE BANK WHEN SUPERHEATEDF STEAM IS SUPPLIED TO SAID ASTERN DRIVE TURBINE MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |