US3312448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal arrangement for preventing leakage of lubricant in gas turbine engines
Assignee: General Electric Co
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Filing: 1965-03-01
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Granted: 1967-04-04
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Expires: 1985-03-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas Nell Huil
- 👤 Rowe Brian Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:34
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/06; F01D9/065; F01D25/00; F01D25/18; F01D25/183; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C2360/00; F16C2360/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A GAS TURBINE ENGINE ASSEMBLY: SUPPORT STRUCTURE, BEARING MEANS CARRIED BY SAID SUPPORT STRUCTURE FOR SUPPORTING AN ENGINE ROTOR FOR ROTATION, A CONDUIT FOR THE FLOW OF LUBRICANT, CONNECTING MEANS CARRIED BY SAID SUPPORT STRUCTURE FOR SLIDABLY RECEIVING SAID CONDUIT, SEAL MEANS BETWEEN SAID CONDUIT AND SAID CONNECTING MEANS FOR PREVENTING LEAKAGE OF LUBRICANT, AND MEANS FORMING A PASSAGEWAY BETWEEN SAID CONNECTING MEANS AND SAID BEARING MEANS FOR THE FLOW OF LUBRICANT, SAID PASSAGEWAY SURROUNDING SAID CONNECTING MEANS AND SAID SEAL MEANS.
Claim 2
Dependent Claim
83 words
IN A GAS TURBINE ENGINE ASSEMBLY: SUPPORT STRUCTURE, BEARING MEANS CARRIED BY SAID SUPPORT STRUCTURE FOR SUPPORTING AN ENGINE ROTOR FOR ROTATION, A CONDUIT FOR THE FLOW OF LUBRICANT, CONNECTING MEANS CARRIED BY SAID SUPPORT STRUCTURE FOR SLIDABLY RECEIVING SAID CONDUIT, SEAL MEANS BETWEEN SAID CONDUIT AND SAID CONNECTING MEANS FOR PREVENTING LEAKAGE OF LUBRICANT, AND MEANS FORMING A PASSAGEWAY BETWEEN SAID CONNECTING MEANS AND SAID BEARING MEANS FOR THE FLOW OF LUBRICANT, SAID PASSAGEWAY SURROUNDING SAID CONNECTING MEANS AND SAID SEAL MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |