Patent US3345865A successfully refreshed from Google Patents.
Patent US3366427A successfully refreshed from Google Patents.
US3366427A
Expired / Lapsed
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Selectively pressurized foil bearing arrangements
Assignee: Garrett Corp
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Filing: 1965-11-01
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Granted: 1968-01-30
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Expires: 1985-11-01
Abstract
No abstract record available.
Inventors
- 👤 Silver Alexander
- 👤 Marley David John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:45
CPC Classifications
F; F16; F16C; F16C17/00; F16C17/02; F16C17/024; F16C17/12; F16C17/20; F16C32/00; F16C32/06; F16C32/0603; F16C32/0614
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A FOIL BEARING DEVICE COMPRISING A PLURALITY OF FOILS INTERLEAVED TOGETHER ABOUT A SHAFT TO FORM A BEARING, A BEARING HOUSING ENCASING SAID FOILS, MEANS AFFIXING AT LEAST SOME OF SAID FOILS TO SAID HOUSING, AND MEANS FOR AUTOMATICALLY INJECTING FLUID INTO THE REGION OF SAID INTERLEAVED FOILS WITHIN A SELECTED SPEED RANGE OF ROTATION OF SAID SHAFT AND FOR CUTTING OFF SAID FLUID FROM SAID REGION FOR SHAFT ROTATION OUTSIDE OF SAID RANGE.
Claim 2
Dependent Claim
74 words
A FOIL BEARING DEVICE COMPRISING A PLURALITY OF FOILS INTERLEAVED TOGETHER ABOUT A SHAFT TO FORM A BEARING, A BEARING HOUSING ENCASING SAID FOILS, MEANS AFFIXING AT LEAST SOME OF SAID FOILS TO SAID HOUSING, AND MEANS FOR AUTOMATICALLY INJECTING FLUID INTO THE REGION OF SAID INTERLEAVED FOILS WITHIN A SELECTED SPEED RANGE OF ROTATION OF SAID SHAFT AND FOR CUTTING OFF SAID FLUID FROM SAID REGION FOR SHAFT ROTATION OUTSIDE OF SAID RANGE.
References Cited (Backward Citations)
US2937294A
Cited
US3215480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |