US3167362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-lubricated journal bearing
Assignee: BBC Brown Boveri AG Germany
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Filing: 1962-07-09
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Granted: 1965-01-26
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Expires: 1982-07-09
Abstract
No abstract record available.
Inventors
- 👤 Yuean-Heng Dschen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:31
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/18; F01D25/22; F16; F16C; F16C17/00; F16C17/02; F16C17/028; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1005; F16C33/101; F16C33/1025; F16C33/106; F16C33/1075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
IN A HYDRO-DYNAMIC GAS-LUBRICATED JOURNAL BEARING ESPECIALLY FOR SHAFTS OPERATING AT HIGH ROTATIONAL SPEEDS, THE COMBINATION WHICH COMPRISES A CYLINDRICAL BEARING BUSHING WITHIN WHICH THE SHAFT IS LOCATED, THE INTERIR SURFACE OF SAID BUSHING INCLUDING A GROUP OF RECESSES SITUATED IN THE VICINITY OF EACH END OF SAID BUSHING, THE RECESSES IN EACH SAID GROUP HAVING A SEGMENTAL CONFIGURATION AND BEING DISTRIBUTED AROUND THE INTERNAL PERIPHERY OF THE BUSHING AND EACH SAID RECESSS BEING PROVIDED WITH AN AXIALLY EXTENDING GROOVE SPACED INWARDLY FROM LOCATED AT FACE TO SAID BUSHING, EACH SAID GROOVE BEING LOCATED AT THE ENTRANCE EDGE TO THE RECESS AS VIEWED IN THE DIRECTION OF ROTATION OF A POINT ON THE SHAFT AND EXTENDING FOR SUBSTANTIALLY THE COMPLETE AXIAL DIMENSION OF SAID RECESS AND BEING IN COMMUNICATION WITH THE ATMOSPHERIC ENVIRONMENT EXTERIORLY OF SAID BUSHING ONLY THROUGH SUCH RUNNING CLEARANCE AS EXISTS BETWEEN THE SHAFT AND BEARING SURFACES OF SAID BUSHING, THE REMAINING INTERIOR PORTION OF SAID BUSHING BETWEEN SAID GROUPS OF RECESSES BEING A SMOOTH BEARING SURFACE WITHOUT ANY IRREGULARITIES.
Claim 2
Dependent Claim
173 words
IN A HYDRO-DYNAMIC GAS-LUBRICATED JOURNAL BEARING ESPECIALLY FOR SHAFTS OPERATING AT HIGH ROTATIONAL SPEEDS, THE COMBINATION WHICH COMPRISES A CYLINDRICAL BEARING BUSHING WITHIN WHICH THE SHAFT IS LOCATED, THE INTERIR SURFACE OF SAID BUSHING INCLUDING A GROUP OF RECESSES SITUATED IN THE VICINITY OF EACH END OF SAID BUSHING, THE RECESSES IN EACH SAID GROUP HAVING A SEGMENTAL CONFIGURATION AND BEING DISTRIBUTED AROUND THE INTERNAL PERIPHERY OF THE BUSHING AND EACH SAID RECESSS BEING PROVIDED WITH AN AXIALLY EXTENDING GROOVE SPACED INWARDLY FROM LOCATED AT FACE TO SAID BUSHING, EACH SAID GROOVE BEING LOCATED AT THE ENTRANCE EDGE TO THE RECESS AS VIEWED IN THE DIRECTION OF ROTATION OF A POINT ON THE SHAFT AND EXTENDING FOR SUBSTANTIALLY THE COMPLETE AXIAL DIMENSION OF SAID RECESS AND BEING IN COMMUNICATION WITH THE ATMOSPHERIC ENVIRONMENT EXTERIORLY OF SAID BUSHING ONLY THROUGH SUCH RUNNING CLEARANCE AS EXISTS BETWEEN THE SHAFT AND BEARING SURFACES OF SAID BUSHING, THE REMAINING INTERIOR PORTION OF SAID BUSHING BETWEEN SAID GROUPS OF RECESSES BEING A SMOOTH BEARING SURFACE WITHOUT ANY IRREGULARITIES.
References Cited (Backward Citations)
FR514555A
Cited
US2983832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |