Patent US3173255A successfully refreshed from Google Patents.
US3173255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine plant
Assignee: Volvo AB
•
Filing: 1962-02-27
•
Granted: 1965-03-16
•
Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Kronogard Sven-Olof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:47
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/10; F02C3/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A GAS TURBINE PLANT COMPRISING A COMPRESSOR, A FIRST TURBINE DRIVING SAID COMPRESSOR, A COMBUSTION CHAMBER RECEIVING AIR FROM SAID COMPRESSOR AND PRODUCING COMBUSTION PRODUCTS FOR SAID FIRST TURBINE, AND A SECOND TURBINE FOR PRODUCING USEFUL POWER AND BEING COAXIAL WITH SAID COMPRESSOR AND FIRST TURBINE, A CASING SURROUNDING SAID COMPRESSOR AND TURBINES AND HAVING OPENINGS FOR AIR DISCHARGED FROM SAID COMPRESSOR, INLET OPENINGS FOR THE WORKING GASES DISCHARGED FROM SAID COMBUSTION CHAMBER AND OUTLET OPENINGS FOR THE WORKING GASES EXPANDED IN SAID TURBINES, SAID COMPRESSOR AND FIRST TURBINE FORMING A FIRST UNIT AND BEING INSERTED IN SAID CASING THROUGH ONE END THEREOF AND SAID SECOND TURBINE FORMING A SECOND UNIT AND BEING INSERTED IN SAID CASING THROUGH THE OTHER END OF SAID CASING, INTERNAL GUIDE SURFACES IN SAID CASING AND CORRESPONDING EXTERNAL GUIDE SURFACES ON SAID UNITS FOR CENTERING SAID UNITS IN SAID CASING, AND MEANS FOR SECURING SAID UNITS TO THE RESPECTIVE ENDS OF THE CASING.
Claim 2
Dependent Claim
158 words
A GAS TURBINE PLANT COMPRISING A COMPRESSOR, A FIRST TURBINE DRIVING SAID COMPRESSOR, A COMBUSTION CHAMBER RECEIVING AIR FROM SAID COMPRESSOR AND PRODUCING COMBUSTION PRODUCTS FOR SAID FIRST TURBINE, AND A SECOND TURBINE FOR PRODUCING USEFUL POWER AND BEING COAXIAL WITH SAID COMPRESSOR AND FIRST TURBINE, A CASING SURROUNDING SAID COMPRESSOR AND TURBINES AND HAVING OPENINGS FOR AIR DISCHARGED FROM SAID COMPRESSOR, INLET OPENINGS FOR THE WORKING GASES DISCHARGED FROM SAID COMBUSTION CHAMBER AND OUTLET OPENINGS FOR THE WORKING GASES EXPANDED IN SAID TURBINES, SAID COMPRESSOR AND FIRST TURBINE FORMING A FIRST UNIT AND BEING INSERTED IN SAID CASING THROUGH ONE END THEREOF AND SAID SECOND TURBINE FORMING A SECOND UNIT AND BEING INSERTED IN SAID CASING THROUGH THE OTHER END OF SAID CASING, INTERNAL GUIDE SURFACES IN SAID CASING AND CORRESPONDING EXTERNAL GUIDE SURFACES ON SAID UNITS FOR CENTERING SAID UNITS IN SAID CASING, AND MEANS FOR SECURING SAID UNITS TO THE RESPECTIVE ENDS OF THE CASING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |