US3238719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid cooled gas turbine engine
Assignee: Individual
•
Filing: 1963-03-19
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Granted: 1966-03-08
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Expires: 1983-03-19
Abstract
No abstract record available.
Inventors
- 👤 Eric W Harslem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:34
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/16; F02C3/00; F02C3/20; F02C3/30; F02C7/14; F02C7/141; F23; F23R; F23R3/00; F23R3/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A FUEL-AIR TURBINE OF A GIVEN POWER RANGE, AT LEAST ONE COMBUSTOR HAVING A ZONE OF COMBUSTION, A TURBINE WHEEL DRIVEN BY HOT GASES FLOWING FROM THE ZONE OF COMBUSTION, WALL MEANS FOR CONTAINING THE HOT GASES AND GUIDING THEM ALONG A PATH FROM THE ZONES OF COMBUSTION TOWARD THE TURBINE WHEEL, AN AIR COMPRESSOR OF A CAPACITY SUFFICIENT TO PROVIDE, AT CONSTANT SPEED OPERATIONS, AT LEAST AS MUCH AIR AS REQUIRED FOR COMBUSTION THROUGHOUT SAID POWER RANGE AND LESS AIR THAN REQUIRED FOR COOLING IN THE ABSENCE OF OTHER COOLANT, AND MEANS FOR CONTINUOUSLY SUPPLYING SAID OTHER COOLANT AS A HOMOGENEOUS LIQUIFORM MASS OF LIQUID COOLANT BETWEEN SAID WALL MEANS AND THE CENTER OF SAID PATH, SAID HOMOGENEOUS LIQUIFORM MASS OF
Claim 2
Dependent Claim
123 words
IN A FUEL-AIR TURBINE OF A GIVEN POWER RANGE, AT LEAST ONE COMBUSTOR HAVING A ZONE OF COMBUSTION, A TURBINE WHEEL DRIVEN BY HOT GASES FLOWING FROM THE ZONE OF COMBUSTION, WALL MEANS FOR CONTAINING THE HOT GASES AND GUIDING THEM ALONG A PATH FROM THE ZONES OF COMBUSTION TOWARD THE TURBINE WHEEL, AN AIR COMPRESSOR OF A CAPACITY SUFFICIENT TO PROVIDE, AT CONSTANT SPEED OPERATIONS, AT LEAST AS MUCH AIR AS REQUIRED FOR COMBUSTION THROUGHOUT SAID POWER RANGE AND LESS AIR THAN REQUIRED FOR COOLING IN THE ABSENCE OF OTHER COOLANT, AND MEANS FOR CONTINUOUSLY SUPPLYING SAID OTHER COOLANT AS A HOMOGENEOUS LIQUIFORM MASS OF LIQUID COOLANT BETWEEN SAID WALL MEANS AND THE CENTER OF SAID PATH, SAID HOMOGENEOUS LIQUIFORM MASS OF
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |