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US3167362A Expired / Lapsed US ⏱️ 0.0 years remaining

Gas-lubricated journal bearing

Assignee: BBC Brown Boveri AG Germany
•
Filing: 1962-07-09
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Granted: 1965-01-26
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Expires: 1982-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 Yuean-Heng Dschen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 23:54
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

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