Patent US2708343A successfully refreshed from Google Patents.
US2708343A
Expired / Lapsed
US
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Temperature control system for gas turbine power plants
Assignee: RTX Corp
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Filing: 1951-08-16
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Granted: 1955-05-17
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Expires: 1971-08-16
Abstract
No abstract record available.
Inventors
- 👤 Bertrand H Brown
- 👤 Edward F Esmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:29
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/32; F01; F01D; F01D15/00; F01D15/10; F02C3/00; F02C3/20; F02C3/22; F02C9/16; F02C9/20; F02C9/22; F02C9/28; F05; F05D; F05D2270/00; F05D2270/01; F05D2270/05; F05D2270/30; F05D2270/301; F05D2270/303; F05D2270/304
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
63 words
A FUEL CONTROL SYSTEM FOR A COMBUSTION ENGINE INCLUDING A TURBINE SUBJECT TO EXHAUST GASES FROM THE ENGINE, MEANS FOR MAINTAINING A CONSTANT PRESSURE RATIO ACROSS THE TURBINE, MEANS FOR SELECTING AND MAINTAINING TURBINE SPEED, AND MEANS OPERATIVELY CONNECTED TO SAID TURBINE AND RESPONSIVE TO CHANGES IN THE TEMPERATURE OF THE GASES PASSING OVER THE TURBINE FOR REGULATING FUEL FLOW TO THE ENGINE.
Claim 2
Dependent Claim
63 words
A FUEL CONTROL SYSTEM FOR A COMBUSTION ENGINE INCLUDING A TURBINE SUBJECT TO EXHAUST GASES FROM THE ENGINE, MEANS FOR MAINTAINING A CONSTANT PRESSURE RATIO ACROSS THE TURBINE, MEANS FOR SELECTING AND MAINTAINING TURBINE SPEED, AND MEANS OPERATIVELY CONNECTED TO SAID TURBINE AND RESPONSIVE TO CHANGES IN THE TEMPERATURE OF THE GASES PASSING OVER THE TURBINE FOR REGULATING FUEL FLOW TO THE ENGINE.
Claim 3
Dependent Claim
83 words
IN A DEVICE OF THE CLASS DESCRIBED FOR METERING FUEL FLOW TO A COMBUSTION ENGINE, A BLADED TURBINE SUBJECT TO GASES FROM THE ENGINE, THE TURBINE BLADES BEING UNCAMBERED, MEANS FOR MAINTAINING A CONSTANT PRESSURE RATIO ACROSS THE TURBINE, A SYNCHRONOUS MOTOR CONNECTED TO THE TURBINE, MEANS FOR ESTABLISHING THE SPEED OF THE SYNCHRONOUS MOTOR, AND MEANS ASSOCIATED WITH THE SYNCHRONOUS MOTOR FOR REGULATING FUEL FLOW TO THE ENGINE IN RESPONSE TO CHANGES IN THE TEMPERATURE OF THE GASES PASSING OVER THE TURBINE.
Claim 4
Dependent Claim
83 words
IN A DEVICE OF THE CLASS DESCRIBED FOR METERING FUEL FLOW TO A COMBUSTION ENGINE, A BLADED TURBINE SUBJECT TO GASES FROM THE ENGINE, THE TURBINE BLADES BEING UNCAMBERED, MEANS FOR MAINTAINING A CONSTANT PRESSURE RATIO ACROSS THE TURBINE, A SYNCHRONOUS MOTOR CONNECTED TO THE TURBINE, MEANS FOR ESTABLISHING THE SPEED OF THE SYNCHRONOUS MOTOR, AND MEANS ASSOCIATED WITH THE SYNCHRONOUS MOTOR FOR REGULATING FUEL FLOW TO THE ENGINE IN RESPONSE TO CHANGES IN THE TEMPERATURE OF THE GASES PASSING OVER THE TURBINE.
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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) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |