US3355883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closed loop heat exchanger for a gas turbine engine
Assignee: Motors Liquidation Co
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Filing: 1966-01-24
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Granted: 1967-12-05
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Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul E Beam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:55
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/08; F01D5/085; F01D5/088; F02; F02C; F02C7/00; F02C7/08; F02C7/10; F02C7/12; F02C7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A HEAT EXCHANGER FOR A GAS TURBINE ENGINE HAVING A CASING WITH A COMPRESSOR, A COMBUSTOR, A TURBINE DRIVINGLY CONNECTED TO SAID COMPRESSOR, AND AN EXHAUST IN AXIAL ALIGNMENT THEREIN COMPRISING, IN COMBINATION: A MAGNET CARRIED BY SAID GAS TURBINE ENGINE, A CLOSED LOOP HEAT TRANSFER CIRCUIT, SAID CLOSED CIRCUIT HAVING A FIRST PORTION DISPOSED WITHIN THE MAGNETIC FIELD OF SAID MAGNET, A SECOND PORTION LOCATED IN SAID COMPRESSOR AND A THIRD PORTION LOCATED IN SAID TURBINE, AN ELECTRICALLY CONDUCTIVE LIQUID CONTAINED IN SAID CLOSED LOOP CIRCUIT, AND MEANS TO CAUSE RELATIVE ROTATION BETWEEN SAID MAGNET AND SAID CONDUIT WHEREBY SAID ELECTRICALLY CONDUCTIVE FLUID IS CIRCULATED THROUGH SAID CLOSED LOOP CONDUIT TO TRANSFER HEAT FROM SAID TURBINE TO SAID COMPRESSOR.
Claim 2
Dependent Claim
120 words
A HEAT EXCHANGER FOR A GAS TURBINE ENGINE HAVING A CASING WITH A COMPRESSOR, A COMBUSTOR, A TURBINE DRIVINGLY CONNECTED TO SAID COMPRESSOR, AND AN EXHAUST IN AXIAL ALIGNMENT THEREIN COMPRISING, IN COMBINATION: A MAGNET CARRIED BY SAID GAS TURBINE ENGINE, A CLOSED LOOP HEAT TRANSFER CIRCUIT, SAID CLOSED CIRCUIT HAVING A FIRST PORTION DISPOSED WITHIN THE MAGNETIC FIELD OF SAID MAGNET, A SECOND PORTION LOCATED IN SAID COMPRESSOR AND A THIRD PORTION LOCATED IN SAID TURBINE, AN ELECTRICALLY CONDUCTIVE LIQUID CONTAINED IN SAID CLOSED LOOP CIRCUIT, AND MEANS TO CAUSE RELATIVE ROTATION BETWEEN SAID MAGNET AND SAID CONDUIT WHEREBY SAID ELECTRICALLY CONDUCTIVE FLUID IS CIRCULATED THROUGH SAID CLOSED LOOP CONDUIT TO TRANSFER HEAT FROM SAID TURBINE TO SAID COMPRESSOR.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |