Patent US3233413A successfully refreshed from Google Patents.
US3233413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: General Electric Co
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Filing: 1963-06-21
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Granted: 1966-02-08
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Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 James B Wagner
- 👤 Kenneth O Straney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:30
CPC Classifications
H; H02; H02P; H02P23/00; H02P23/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
145 words
IN AN ELASTIC FLUID MULTI-STAGE TURBINE WHICH IS CONTAINED IN AN ARRANGEMENT OF A PLURALITY OF TURBINES, SAID ARRANGEMENT INCLUDING MEANS FOR CONTROLLING THE FREQUENCY OF SAID TURBINE, SAID TURBINE INCLUDING A ROTATABLY MOUNTED OUTPUT SHAFT, INLET VALVE MEANS GOVERNING THE FLOW OF FLUID TO SAID TURBINE AND AN EXHAUST CONDUIT; THE COMBINATION COMPRISING FIRST MEANS RESPONSIVE TO THE SPEED OF SAID OUTPUT SHAFT GENERATING A FIRST SIGNAL WHICH IS A FUNCTION OF SAID SPEED, SECOND MEANS RESPONSIVE TO THE PRESSURE IN SAID EXHAUST CONDUIT FOR GENERATING A SECOND SIGNAL WHICH IS A FUNCTION OF THE PRESSURE IN SAID EXHAUST CONDUIT, MEANS IN CIRCUIT WITH SAID FIRST AND SECOND SIGNAL GENERATING MEANS FOR MODIFYING SAID FIRST SIGNAL WITH SAID SECOND SIGNAL TO PRODUCE A FIRST RESULTANT SIGNAL, AND A NETWORK CONTROLLED BY SAID FIRST RESULTANT SIGNAL FOR GOVERNING THE POSITION OF SAID INLET VALVE 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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |