US3304716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Start-up system for forced flow vapor generator
Assignee: Babcock and Wilcox Co
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Filing: 1964-08-04
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Granted: 1967-02-21
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Expires: 1984-08-04
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Griffin
- 👤 Richard J Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:24
CPC Classifications
F; F22; F22B; F22B35/00; F22B35/06; F22B35/14; F01; F01K; F01K3/00; F01K3/18; F01K3/20; F01K3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A POWER PLANT HAVING A TURBINE AND A FORCED FLOW VAPOR GENERATOR HAVING A THROUGH-FLOW CIRCUIT INCLUDING A SUPERHEATER CONNECTED FOR SERIES FLOW OF FLUID TO THE TURBINE, MEANS FOR STARTING UP THE VAPOR GENERATOR AND TURBINE COMPRISING A FLASH TANK FOR SEPARATING VAPOR AND LIQUID, MEANS FOR SUPPLYING A VAPROIZABLE LIQUID UNDER PRESSURE TO THE THROUGH-FLOW CIRCUIT, MEANS FOR PASSING LIQUID FROM SAID CIRCUIT FROM A POSITION UPSTREAM OF THE SUPERHEATER TO THE FLASH TANK WHILE REDUCING ITS PRESSURE TO THE EXTENT THAT A PROTION OF THE LIQUID FLASHES INTO VAPORAND MEANS FOR PASSING SEPARATED VAPOR AT THE SATURATION TEMPERATURE CORRESPONDING TO THE PRESSURE IN THE FLASH TANK FROM THE FLASH TANK TO THE DISCHARGE SIDE OPF THE SUPERHEATER FOR MIXING OF SUCH SATURATED VAPOR WITH THE SUPERHEATER OUTFLOW.
Claim 2
Dependent Claim
131 words
IN A POWER PLANT HAVING A TURBINE AND A FORCED FLOW VAPOR GENERATOR HAVING A THROUGH-FLOW CIRCUIT INCLUDING A SUPERHEATER CONNECTED FOR SERIES FLOW OF FLUID TO THE TURBINE, MEANS FOR STARTING UP THE VAPOR GENERATOR AND TURBINE COMPRISING A FLASH TANK FOR SEPARATING VAPOR AND LIQUID, MEANS FOR SUPPLYING A VAPROIZABLE LIQUID UNDER PRESSURE TO THE THROUGH-FLOW CIRCUIT, MEANS FOR PASSING LIQUID FROM SAID CIRCUIT FROM A POSITION UPSTREAM OF THE SUPERHEATER TO THE FLASH TANK WHILE REDUCING ITS PRESSURE TO THE EXTENT THAT A PROTION OF THE LIQUID FLASHES INTO VAPORAND MEANS FOR PASSING SEPARATED VAPOR AT THE SATURATION TEMPERATURE CORRESPONDING TO THE PRESSURE IN THE FLASH TANK FROM THE FLASH TANK TO THE DISCHARGE SIDE OPF THE SUPERHEATER FOR MIXING OF SUCH SATURATED VAPOR WITH THE SUPERHEATER OUTFLOW.
References Cited (Backward Citations)
US3175367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |