Patent US3129037A successfully refreshed from Google Patents.
US3129037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-lubricated journal bearing
Assignee: BBC Brown Boveri AG Germany
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Filing: 1961-12-26
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Granted: 1964-04-14
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 Ott Hanns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:03
CPC Classifications
F; F01; F01C; F01C19/00; F01C19/10; F16; F16C; F16C17/00; F16C17/02; F16C17/028; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1005; F16C33/101; F16C37/00; F16C37/002; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A SELF-ACTING GAS-LUBRICATED JOURNAL BEARING COMPRISING A BUSHING MEMBER HAVING ON OPPOSITE SIDES OF THE SHAFT SUPPORTING PART THEREOF FLAT RECESSES 2 AND AXIAL GROOVES 3 IN SAID RECESSES FOR DISTRIBUTING THE GAS OVER THE RECESSES AND WHOSE CAVITIES ARE FILLED WITH GAS FOR LUBRICATION, THE IMPROVEMENT WHEREIN ANNULAR GROOVES 6 ARE DISPOSED RESPECTIVELY IN END PARTS OF THE BUSHING MEMBER LOCATED AXIALLY TO EACH SIDE OF THE SHAFT SUPPORTING PART THEREOF, SAID ANNULAR GROOVES BEING IN COMMUNICATION RESPECTIVELY WITH SAID FLAT RECESSES BY MEANS OF ANNULAR GAPS 8 CONSTITUTING THE CLEARANCE BETWEEN THE SHAFT SUPPORTING PART OF THE BUSHING AND THE SHAFT 5 AND SAID ANNULAR GROOVES ALSO BEING IN COMMUNICATION WITH SAID AXIAL GROOVES IN SAID FLAT RECESSES BY MEANS OF DUCT CONNECTIONS 9 WHEREBY THE LUBRICATING GAS FLOWING FROM SAID FLAT RECESSES THROUGH SAID ANNULAR GAPS INTO SAID ANNULAR GROOVES IS RETURNED TO SAID AXIAL GROOVES AND HENCE, TO SAID FLAT RECESSES.
Claim 2
Dependent Claim
155 words
A SELF-ACTING GAS-LUBRICATED JOURNAL BEARING COMPRISING A BUSHING MEMBER HAVING ON OPPOSITE SIDES OF THE SHAFT SUPPORTING PART THEREOF FLAT RECESSES 2 AND AXIAL GROOVES 3 IN SAID RECESSES FOR DISTRIBUTING THE GAS OVER THE RECESSES AND WHOSE CAVITIES ARE FILLED WITH GAS FOR LUBRICATION, THE IMPROVEMENT WHEREIN ANNULAR GROOVES 6 ARE DISPOSED RESPECTIVELY IN END PARTS OF THE BUSHING MEMBER LOCATED AXIALLY TO EACH SIDE OF THE SHAFT SUPPORTING PART THEREOF, SAID ANNULAR GROOVES BEING IN COMMUNICATION RESPECTIVELY WITH SAID FLAT RECESSES BY MEANS OF ANNULAR GAPS 8 CONSTITUTING THE CLEARANCE BETWEEN THE SHAFT SUPPORTING PART OF THE BUSHING AND THE SHAFT 5 AND SAID ANNULAR GROOVES ALSO BEING IN COMMUNICATION WITH SAID AXIAL GROOVES IN SAID FLAT RECESSES BY MEANS OF DUCT CONNECTIONS 9 WHEREBY THE LUBRICATING GAS FLOWING FROM SAID FLAT RECESSES THROUGH SAID ANNULAR GAPS INTO SAID ANNULAR GROOVES IS RETURNED TO SAID AXIAL GROOVES AND HENCE, TO SAID FLAT RECESSES.
References Cited (Backward Citations)
US2578711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |