US3175367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forced flow vapor generating unit
Assignee: Foster Wheeler Inc
•
Filing: 1962-08-08
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Granted: 1965-03-30
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Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Walter P Gorzegno
- 👤 Frederick H Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:40
CPC Classifications
F; F22; F22B; F22B29/00; F22B29/06; F22B29/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN A ONCE-THROUGH VAPOR GENERATING AND SUPERHEATING UNIT DESIGNED TO PROVIDE DURING OPERATION A HIGH PRESSURE HEATED FLUID TO A PRIME MOVER, THE UNIT INCLUDING A MAIN VALVE CONTROLLED CONDUIT FROM THE OUTLET OF THE UNIT TO THE PRIME MOVER, A START-UP SYSTEM COMPRISING A FIRST BY-PASS LINE FROM THE OUTLET OF THE UNIT TO THE PRIME MOVER INCLUDING VALVE MEANS ADAPTED TO ADIABATICALLY REDUCE THE PRESSURE OF THE FLUID EXITING FROM THE OUTLET, A HEAT EXCHANGE SURFACE IN THE BY-PASS LINE ARRANGED TO REHEAT THE REDUCED PRESSURE FLUID, THE VALVE MEANS BEING ARRANGED TO REDUCE THE PRESSURE OF THE FLUID TO WITHIN THE DESIGN LIMITS OF THE HEAT EXCHANGE SURFACE, A SECOND BY-PASS LINE FROM THE OUTLET OF THE UNIT TO THE PRIME MOVER INCLUDING SECOND VALVE MEANS THEREIN ADAPTED TO ADIABATICALLY REDUCED THE PRESSURE OF THE FLUID, SAID SECOND VALVE MEANS BEING DESIGNED TO REDUCE THE PRESSURE TO A PRESSURE EXCEEDING DESIGN LIMITS OF THE HEAT EXCHANGE SURFACE.
Claim 2
Dependent Claim
160 words
IN A ONCE-THROUGH VAPOR GENERATING AND SUPERHEATING UNIT DESIGNED TO PROVIDE DURING OPERATION A HIGH PRESSURE HEATED FLUID TO A PRIME MOVER, THE UNIT INCLUDING A MAIN VALVE CONTROLLED CONDUIT FROM THE OUTLET OF THE UNIT TO THE PRIME MOVER, A START-UP SYSTEM COMPRISING A FIRST BY-PASS LINE FROM THE OUTLET OF THE UNIT TO THE PRIME MOVER INCLUDING VALVE MEANS ADAPTED TO ADIABATICALLY REDUCE THE PRESSURE OF THE FLUID EXITING FROM THE OUTLET, A HEAT EXCHANGE SURFACE IN THE BY-PASS LINE ARRANGED TO REHEAT THE REDUCED PRESSURE FLUID, THE VALVE MEANS BEING ARRANGED TO REDUCE THE PRESSURE OF THE FLUID TO WITHIN THE DESIGN LIMITS OF THE HEAT EXCHANGE SURFACE, A SECOND BY-PASS LINE FROM THE OUTLET OF THE UNIT TO THE PRIME MOVER INCLUDING SECOND VALVE MEANS THEREIN ADAPTED TO ADIABATICALLY REDUCED THE PRESSURE OF THE FLUID, SAID SECOND VALVE MEANS BEING DESIGNED TO REDUCE THE PRESSURE TO A PRESSURE EXCEEDING DESIGN LIMITS OF THE HEAT EXCHANGE SURFACE.
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |