Patent US5662711A successfully refreshed from Google Patents.
US3172709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft bearing arrangement
Assignee: Westinghouse Electric Corp
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Filing: 1963-04-29
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Granted: 1965-03-09
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Rene A Baudry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:14
CPC Classifications
F; F16; F16C; F16C27/00; F01; F01D; F01D25/00; F01D25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A SHAFT AND BEARING ARRANGEMENT COMPRISING, A SHAFT HAVING A FIRST LARGE DIAMETER ROTATING SHAFT PORTION AND AN EXTENDING SECOND SMALL DIAMETER SHAFT PORTION, AT LEAST ONE MAIN JOURNAL BEARING MEMBER JOURNALLING SAID FIRST LARGE DIAMETER SHAFT PORTION WITH A PREDETERMINED MAIN JOURNAL OIL-FILM CLEARANCE, A STATIONARY BEARING PEDESTAL HAVING A PEDESTAL BEARING OPENING THERETHROUGH, A PEDESTAL BEARING MEMBER POSITIONED IN SAID PEDESTAL BEARING OPENING WITH A FIRST PREDETERMINED OILFILM CLEARANCE RELATIVE TO SAID PEDESTAL BEARING OPENING, AT LEAST ONE INNER BEARING MEMBER INTERPOSED BETWEEN SAID SECOND SMALL DIAMETER SHAFT PORTION AND THE PEDESTAL BEARING MEMBER, SAD PEDESTAL BEARING MEMBER AND SAID INNER BEARING MEMBER BEING DIMENSIONED TO FORM A SECOND OIL-FILM CLEARANCE BETWEEN SAID PEDESTAL BEARING MEMBER AND SAID INNER BEARING MEMBER AND A THIRD OIL-FILM CLEARANCE BETWEEN SAID INNER BEARING MEMBER AND SAID SECOND SMALL DIAMETER SHAFT PORTION, AND MEANS TO FEED OIL UNDER PRESSURE TO SAID FIRST, SECOND AND THIRD OIL-FILM CLEARANCE TO ENABLE A LIMITED AND DAMPED MOVEMENT OF SAID SECOND SHAFT PORTION WITHIN SAID PEDESTAL OPENING.
Claim 2
Dependent Claim
171 words
A SHAFT AND BEARING ARRANGEMENT COMPRISING, A SHAFT HAVING A FIRST LARGE DIAMETER ROTATING SHAFT PORTION AND AN EXTENDING SECOND SMALL DIAMETER SHAFT PORTION, AT LEAST ONE MAIN JOURNAL BEARING MEMBER JOURNALLING SAID FIRST LARGE DIAMETER SHAFT PORTION WITH A PREDETERMINED MAIN JOURNAL OIL-FILM CLEARANCE, A STATIONARY BEARING PEDESTAL HAVING A PEDESTAL BEARING OPENING THERETHROUGH, A PEDESTAL BEARING MEMBER POSITIONED IN SAID PEDESTAL BEARING OPENING WITH A FIRST PREDETERMINED OILFILM CLEARANCE RELATIVE TO SAID PEDESTAL BEARING OPENING, AT LEAST ONE INNER BEARING MEMBER INTERPOSED BETWEEN SAID SECOND SMALL DIAMETER SHAFT PORTION AND THE PEDESTAL BEARING MEMBER, SAD PEDESTAL BEARING MEMBER AND SAID INNER BEARING MEMBER BEING DIMENSIONED TO FORM A SECOND OIL-FILM CLEARANCE BETWEEN SAID PEDESTAL BEARING MEMBER AND SAID INNER BEARING MEMBER AND A THIRD OIL-FILM CLEARANCE BETWEEN SAID INNER BEARING MEMBER AND SAID SECOND SMALL DIAMETER SHAFT PORTION, AND MEANS TO FEED OIL UNDER PRESSURE TO SAID FIRST, SECOND AND THIRD OIL-FILM CLEARANCE TO ENABLE A LIMITED AND DAMPED MOVEMENT OF SAID SECOND SHAFT PORTION WITHIN SAID PEDESTAL OPENING.
References Cited (Backward Citations)
US2169877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |