Patent US3111195A successfully refreshed from Google Patents.
US3111195A
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Sump chambers
Assignee: Rolls Royce PLC
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Filing: 1962-02-23
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Granted: 1963-11-19
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Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 Wilkinson Wilfred Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:40
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/18; F16; F16N; F16N7/00; F16N7/36; F16N2210/00; F16N2210/02; F16N7/14; F16N7/16; F16N7/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
AN APPARATUS COMPRISING A BEARING TO WHICH LUBRICANT IS SUPPLIED, A ROTATABLE SHAFT JOURNALLED WITHIN SAID BEARING, A SUBSTANTIALLY ANNULAR SUMP CHAMBER CONCENTRIC OF AND SUPPORTED BY SAID SHAFT FOR RECEIVING EXCESS LUBRICANT FROM SAID BEARING, SAID ANNULAR SUMP CHAMBER BEING ROTATED WITH SAID SHAFT SO THAT ANY LUBRICANT IN THE SUMP CHAMBER IS FORCED CENTRIFUGALLY AGAINST THE INTERIOR OF THE EXTERNAL WALL THEREOF, SAID SUMP CHAMBER HAVING AN ANNULAR OPENING THEREIN CONCENTRIC WITH SAID SHAFT, A STATIONARY ANNULAR BLOCK HAVING A PASSAGE THERETHROUGH AND POSITIONED IN AND CLOSING SAID ANNULAR OPENING, AND AN ELONGATED PIPE CARRIED BY SAID BLOCK WITHIN SAID SUMP CHAMBER AND COMMUNICATING WITH THE PASSAGE THEREIN, SAID PIPE HAVING THE FREE END THEREOF ARRANGED SUBSTANTIALLY TANGENTIALLY TO THE INTERIOR OF THE EXTERNAL WALL OF SAID SUMP CHAMBER SO THAT EXCESS LUBRICANT IN SAID SUMP CHAMBER IS SCOOPED INTO SAID PIPE AND RE-
Claim 2
Independent Claim
146 words
AN APPARATUS COMPRISING A BEARING TO WHICH LUBRICANT IS SUPPLIED, A ROTATABLE SHAFT JOURNALLED WITHIN SAID BEARING, A SUBSTANTIALLY ANNULAR SUMP CHAMBER CONCENTRIC OF AND SUPPORTED BY SAID SHAFT FOR RECEIVING EXCESS LUBRICANT FROM SAID BEARING, SAID ANNULAR SUMP CHAMBER BEING ROTATED WITH SAID SHAFT SO THAT ANY LUBRICANT IN THE SUMP CHAMBER IS FORCED CENTRIFUGALLY AGAINST THE INTERIOR OF THE EXTERNAL WALL THEREOF, SAID SUMP CHAMBER HAVING AN ANNULAR OPENING THEREIN CONCENTRIC WITH SAID SHAFT, A STATIONARY ANNULAR BLOCK HAVING A PASSAGE THERETHROUGH AND POSITIONED IN AND CLOSING SAID ANNULAR OPENING, AND AN ELONGATED PIPE CARRIED BY SAID BLOCK WITHIN SAID SUMP CHAMBER AND COMMUNICATING WITH THE PASSAGE THEREIN, SAID PIPE HAVING THE FREE END THEREOF ARRANGED SUBSTANTIALLY TANGENTIALLY TO THE INTERIOR OF THE EXTERNAL WALL OF SAID SUMP CHAMBER SO THAT EXCESS LUBRICANT IN SAID SUMP CHAMBER IS SCOOPED INTO SAID PIPE AND RE-
References Cited (Backward Citations)
US1685517A
Cited
US2754693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |