US3666623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine installation for nuclear power plant
Assignee: Siemens AG
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Filing: 1968-08-23
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Granted: 1972-05-30
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Expires: 1988-08-23
Abstract
Abstract GAS TURBINE INSTALLATION FOR OPERATING WITH A GAS HAVING CHARACTERISRTICS DEVIATING CONSIDERABLY FROM THOSE OF AN IDEAL GAS, PARTICULARLY FOR A POWER PLANT WITH GASCOOLED REACTOR, INCLUDES COMPRESSOR MEANS NORMALLY OPERATING AT A GIVEN ROTARY SPEED SO AS TO PROVIDE A GIVEN FLOW-THROUGH OF THE GAS AT A GIVEN PRESSURE AND MEANS UTILIZING RELEASED AFTER-HEAT POWER FOR PROVIDING EMER- GENCY OR AFTER-COOLING SUBSEQUENT TO CUT-OFF OF THE HEAT SOURCE OR OF THE REACTOR BY CONSIDERABLY INCREASING THE ROTARY SPEED OF THE COMPRESSOR MEANS SO AS TO PROVIDE AN INCREASED FLOW-THROUGH RATE OF THE GAS AT A CONSIDERABLY REDUCED PRESSURE APPROXIMATING AN IDEAL GAS.
Inventors
- 👤 Elmar Harand
- 👤 Hans-Peter Schabert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:31
CPC Classifications
G; G21; G21D; G21D5/00; G21D5/04; G21D5/06; Y; Y02; Y02E; Y02E30/00
Claims Analysis
Total Claims: 0
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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) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |