US3153907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power plant for driving fluid impeller means
Assignee: Rolls Royce PLC
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Filing: 1961-09-08
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Granted: 1964-10-27
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Expires: 1981-09-08
Abstract
No abstract record available.
Inventors
- 👤 Alan A Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:15
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/005; F; F02; F02C; F02C6/00; F02C6/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A POWER PLANT HAVING FLUID IMPELLER MEANS, AT LEAST TWO COMBUSTION ENGINES DRIVINGLY CONNECTED TO SAID IMPELLER MEANS, SAID IMPELLER MEANS HAVING A CENTRAL HUB, AN AIR INTAKE PASSAGWAY FORMED IN SAID HUB FOR CONDUCTING COMBUSTION AIR TO SAID ENGINES, AND A ONE-WAY CLUTCH INTERPOSED IN THE DRIVE FROM EACH ENGINE, WHEREBY ON THE FAILURE OF ONE ENGINE, DRIVE IS STILL TRANSMITTED TO THE IMPELLER MEANS BY THE OPERATIVE ENGINE, THE ONE-WAY CLUTCH ASSOCIATED WITH THE FAILED ENGINE DISENGAGING THE LATTER FROM THE IMPELLER MEAN SO THAT ROTATION OF THE IMPELLER MEANS IS UNIMPEDED BY THE FAILED ENGINE.
Claim 2
Dependent Claim
98 words
A POWER PLANT HAVING FLUID IMPELLER MEANS, AT LEAST TWO COMBUSTION ENGINES DRIVINGLY CONNECTED TO SAID IMPELLER MEANS, SAID IMPELLER MEANS HAVING A CENTRAL HUB, AN AIR INTAKE PASSAGWAY FORMED IN SAID HUB FOR CONDUCTING COMBUSTION AIR TO SAID ENGINES, AND A ONE-WAY CLUTCH INTERPOSED IN THE DRIVE FROM EACH ENGINE, WHEREBY ON THE FAILURE OF ONE ENGINE, DRIVE IS STILL TRANSMITTED TO THE IMPELLER MEANS BY THE OPERATIVE ENGINE, THE ONE-WAY CLUTCH ASSOCIATED WITH THE FAILED ENGINE DISENGAGING THE LATTER FROM THE IMPELLER MEAN SO THAT ROTATION OF THE IMPELLER MEANS IS UNIMPEDED BY THE FAILED ENGINE.
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 |