US3303646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Redundant binary turboelectric power system
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1965-05-13
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Granted: 1967-02-14
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Expires: 1985-05-13
Abstract
No abstract record available.
Inventors
- 👤 Donald L Southam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:17
CPC Classifications
F; F01; F01K; F01K3/00; F01K25/00; F01K25/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
A POWER DELIVERY SYSTEM COMPRISING, A HEAT ENERGY SOURCE, FIRST AND SECOND HEAT EXCHANGER MEANS CARRIED BY SAID ENERGY SOURCE, FIRST AND SECOND TURBINES EACH HAVING A FLUID INTAKE AND A FLUID EXHAUST, MEANS DEFINING A FIRST FLUID CARRYING LOOP BETWEEN SAID FIRST HEAT EXCHANGER MEANS AND SAID FIRST TURBINE FOR CARRYING HEATED FLUID FROM SAID FIRST HEAT EXCHANGER MEANS TO SAID INTAKE OF SAID FIRST TURBINE AND FOR CARRYING FLUID FROM SAID EXHAUST OF SAID FIRST TURBINE BACK TO SAID FIRST HEAT EXCHANGER MEANS, MEANS DEFINING A SECOND FLUID CARRYING LOOP BETWEEN SAID SECOND HEAT EXCHANGER MEANS AND SAID SECOND TURBINE FOR CARRYING HEATED FLUID FROM SAID SECOND HEAT EXCHANGER MEANS TO SAID INTAKE OF SAID SECOND TURBINE AND FOR CARRYING FLUID FROM SAID EXHAUST OF SAID SECOND TURBINE BACK TO SAID SECOND HEAT EXCHANGER MEANS, HEAT TRANSFER MEANS AT THE EXHAUST OF SAID FIRST TURBINE TO TRANSFER UNUSED HEAT ENERGY THEREFROM TO THE FLUID IN SAID SECOND LOOP CONNECTED IN HEAT SENSING RELATION WITH SAID FIRST AND SECOND FLUID CARRYING LOOPS AT SAID EXHAUST OF SAID FIRST AND SECOND TURBINES FOR COOLING THE FLUID FROM SAID FIRST AND SECOND TURBINES, POWER UTILIZATION MEANS, AND FIRST AND SECOND POWER OUTPUT MEANS DRIVEN BY SAID FIRST AND SECOND TURBINES RESPECTIVELY FOR PROVIDING POWER TO SAID POWER UTILIZATION MEANS.
Claim 2
Dependent Claim
218 words
A POWER DELIVERY SYSTEM COMPRISING, A HEAT ENERGY SOURCE, FIRST AND SECOND HEAT EXCHANGER MEANS CARRIED BY SAID ENERGY SOURCE, FIRST AND SECOND TURBINES EACH HAVING A FLUID INTAKE AND A FLUID EXHAUST, MEANS DEFINING A FIRST FLUID CARRYING LOOP BETWEEN SAID FIRST HEAT EXCHANGER MEANS AND SAID FIRST TURBINE FOR CARRYING HEATED FLUID FROM SAID FIRST HEAT EXCHANGER MEANS TO SAID INTAKE OF SAID FIRST TURBINE AND FOR CARRYING FLUID FROM SAID EXHAUST OF SAID FIRST TURBINE BACK TO SAID FIRST HEAT EXCHANGER MEANS, MEANS DEFINING A SECOND FLUID CARRYING LOOP BETWEEN SAID SECOND HEAT EXCHANGER MEANS AND SAID SECOND TURBINE FOR CARRYING HEATED FLUID FROM SAID SECOND HEAT EXCHANGER MEANS TO SAID INTAKE OF SAID SECOND TURBINE AND FOR CARRYING FLUID FROM SAID EXHAUST OF SAID SECOND TURBINE BACK TO SAID SECOND HEAT EXCHANGER MEANS, HEAT TRANSFER MEANS AT THE EXHAUST OF SAID FIRST TURBINE TO TRANSFER UNUSED HEAT ENERGY THEREFROM TO THE FLUID IN SAID SECOND LOOP CONNECTED IN HEAT SENSING RELATION WITH SAID FIRST AND SECOND FLUID CARRYING LOOPS AT SAID EXHAUST OF SAID FIRST AND SECOND TURBINES FOR COOLING THE FLUID FROM SAID FIRST AND SECOND TURBINES, POWER UTILIZATION MEANS, AND FIRST AND SECOND POWER OUTPUT MEANS DRIVEN BY SAID FIRST AND SECOND TURBINES RESPECTIVELY FOR PROVIDING POWER TO SAID POWER UTILIZATION MEANS.
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |