Patent US3154140A successfully refreshed from Google Patents.
US3154140A
Expired / Lapsed
US
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Circulating means for enclosed liquid-vapor systems
Assignee: Westinghouse Electric Corp
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Filing: 1959-08-14
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Granted: 1964-10-27
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Expires: 1979-08-14
Abstract
No abstract record available.
Inventors
- 👤 Walter H Esselman
- 👤 Walter G Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:19
CPC Classifications
F; F22; F22D; F22D7/00; F22B; F22B1/00; F22B1/02; F22B1/16; F22B37/00; F22B37/02; F22B37/22; F28; F28F; F28F13/00; F28F13/06; F28F13/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A CLOSED RECYCLING PRESSURIZED SYSTEM, THE COMBINATION COMPRISING A PRESSURE VESSEL HAVING AN INLET FLOW PATH MEANS AND AN OUTLET FLOW PATH MEANS, A LIQUID FLOWING THROUGH SAID PRESSURE VESSEL, HEAT EXCHANGE MEANS LOCATED IN SAID PRESSURE VESSEL BETWEEN SAID INLET AND SAID OUTLET FLOW PATH MEANS FOR HEATING INCOMING LIQUID AND CAUSING AT LEAST A PORTION OF SAID LIQUID TO BOIL, SAID PRESSURE VESSEL INCLUDING A CHAMBER THEREIN, COMMUNICATING WITH THE OUTLET SIDE OF SAID HEAT EXCHANGE MEANS FOR ACCOMMODATING THE VAPORIZED PORTION OF SAID LIQUID, A VAPOR JET PUMP LOCATED IN SAID INLET FLOW PATH MEANS FOR SAID PRESSURE VESSEL FOR ENHANCING THE FLOW OF LIQUID IN SAID INLET FLOW PATH MEANS TOWARD SAID HEAT EXCHANGE MEANS, AND MEANS FOR COUPLING THE VAPOR NOZZLE OF SAID VAPOR JET PUMP TO SAID CHAMBER FOR PROVIDING VAPOR TO SAID NOZZLE.
Claim 2
Dependent Claim
141 words
IN A CLOSED RECYCLING PRESSURIZED SYSTEM, THE COMBINATION COMPRISING A PRESSURE VESSEL HAVING AN INLET FLOW PATH MEANS AND AN OUTLET FLOW PATH MEANS, A LIQUID FLOWING THROUGH SAID PRESSURE VESSEL, HEAT EXCHANGE MEANS LOCATED IN SAID PRESSURE VESSEL BETWEEN SAID INLET AND SAID OUTLET FLOW PATH MEANS FOR HEATING INCOMING LIQUID AND CAUSING AT LEAST A PORTION OF SAID LIQUID TO BOIL, SAID PRESSURE VESSEL INCLUDING A CHAMBER THEREIN, COMMUNICATING WITH THE OUTLET SIDE OF SAID HEAT EXCHANGE MEANS FOR ACCOMMODATING THE VAPORIZED PORTION OF SAID LIQUID, A VAPOR JET PUMP LOCATED IN SAID INLET FLOW PATH MEANS FOR SAID PRESSURE VESSEL FOR ENHANCING THE FLOW OF LIQUID IN SAID INLET FLOW PATH MEANS TOWARD SAID HEAT EXCHANGE MEANS, AND MEANS FOR COUPLING THE VAPOR NOZZLE OF SAID VAPOR JET PUMP TO SAID CHAMBER FOR PROVIDING VAPOR TO SAID NOZZLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |