Patent US3083532A successfully refreshed from Google Patents.
US3083532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engine with air-cooling means and means to control the temperature of cooling air by liquid injection
Assignee: Rolls Royce PLC
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Filing: 1954-08-23
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Granted: 1963-04-02
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Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 Cook Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:01
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/14; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A GAS TURBINE POWER PLANT COMPRISING AIR INTAKE MEANS, A COMPRESSOR, COMBUSTION EQUIPMENT, SAID COMBUSTION EQUIPMENT INCLUDING FUEL INJECTION MEANS, A TURBINE, SAID TURBINE INCLUDING A TURBINE ROTOR DISC, AND EXHAUST DUCTING IN FLOW SERIES TO FORM A WORKING FLUID FLOW PATH FOR AIR ENTERING THE AIR INTAKE MEANS, MEANS CONVEYING A MINOR PROPORTION OF THE AIR FROM SAID FLOW PATH AT A POINT UPSTREAM OF FUEL INJECTION AND DIRECTING SAID AIR TO FLOW OVER THE FACE OF SAID TURBINE ROTOR DISC TO COOL IT, MEANS FOR INJECTING A COOLING LIQUID INTO SAID FLOW, MEANS TO CONTROL SAID INJECTION, AND MEANS SENSITIVE TO THE TEMPERATURE OF SAID AIR FLOW AND ADAPTED TO OPERATE SAID CONTROL MEANS TO INITIATE SAID INJECTION WHEN SAID TEMPERATURE REACHES A SELECTED VALUE WHICH IS ABOVE THE TEMPERATURE AT WHICH SAID LIQUID WILL VAPORIZE.
Claim 2
Dependent Claim
138 words
A GAS TURBINE POWER PLANT COMPRISING AIR INTAKE MEANS, A COMPRESSOR, COMBUSTION EQUIPMENT, SAID COMBUSTION EQUIPMENT INCLUDING FUEL INJECTION MEANS, A TURBINE, SAID TURBINE INCLUDING A TURBINE ROTOR DISC, AND EXHAUST DUCTING IN FLOW SERIES TO FORM A WORKING FLUID FLOW PATH FOR AIR ENTERING THE AIR INTAKE MEANS, MEANS CONVEYING A MINOR PROPORTION OF THE AIR FROM SAID FLOW PATH AT A POINT UPSTREAM OF FUEL INJECTION AND DIRECTING SAID AIR TO FLOW OVER THE FACE OF SAID TURBINE ROTOR DISC TO COOL IT, MEANS FOR INJECTING A COOLING LIQUID INTO SAID FLOW, MEANS TO CONTROL SAID INJECTION, AND MEANS SENSITIVE TO THE TEMPERATURE OF SAID AIR FLOW AND ADAPTED TO OPERATE SAID CONTROL MEANS TO INITIATE SAID INJECTION WHEN SAID TEMPERATURE REACHES A SELECTED VALUE WHICH IS ABOVE THE TEMPERATURE AT WHICH SAID LIQUID WILL VAPORIZE.
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |