US3193336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling arrangement for rotor bearing
Assignee: Alstom Power Inc
•
Filing: 1962-06-19
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Granted: 1965-07-06
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Expires: 1982-06-19
Abstract
No abstract record available.
Inventors
- 👤 Moscardini Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:48
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/048; F16; F16C; F16C37/00; Y; Y10; Y10S; Y10S165/00; Y10S165/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
SUPPORT MEANS FOR ROTARY APPARATUS HAVING A CYLINDIRCAL ROTOR CARRIER BY A CENTRAL ROTOR POST, SAID SUPPORT MEANS INCLUDING A SUPPORT TRUNNION HAVING AN AXIALLY DISPOSED SUPPLY DUCT EXTENDING THERETHROUGH, AND A SERIES OF DEPENDENT RADIAL COOLING PASSAGEWAYS IN AN END FACE THEREOF, MEANS CONNECTING THE TRUNNION TO AN END OF SAID ROTOR POST TO POSITION THE RADIAL COOLING PASSAGEWAYS INTERMEDIATE THE ROTOR POST AND THE ROTOR TRUNNION, A BEARING SUPPORTING SAID TRUNNION FOR ROTATION ABOUT ITS AXIS, A GROOVED COLLAR INTERMEDIATE THE TRUNNION AND THE BEARING, AND A SOURCE OF COOLING FLUID CONNECTED IN PARALLEL TO THE SUPPLY DUCT AND TO THE GROOVES OF SAID COLLAR WHEREBY HEAT IS SIMULTANEOUSLY REMOVED FROM THE BEARING AND THE TRUNNION BY AN INDEPENDENT COOLING FLUID.
Claim 2
Dependent Claim
123 words
SUPPORT MEANS FOR ROTARY APPARATUS HAVING A CYLINDIRCAL ROTOR CARRIER BY A CENTRAL ROTOR POST, SAID SUPPORT MEANS INCLUDING A SUPPORT TRUNNION HAVING AN AXIALLY DISPOSED SUPPLY DUCT EXTENDING THERETHROUGH, AND A SERIES OF DEPENDENT RADIAL COOLING PASSAGEWAYS IN AN END FACE THEREOF, MEANS CONNECTING THE TRUNNION TO AN END OF SAID ROTOR POST TO POSITION THE RADIAL COOLING PASSAGEWAYS INTERMEDIATE THE ROTOR POST AND THE ROTOR TRUNNION, A BEARING SUPPORTING SAID TRUNNION FOR ROTATION ABOUT ITS AXIS, A GROOVED COLLAR INTERMEDIATE THE TRUNNION AND THE BEARING, AND A SOURCE OF COOLING FLUID CONNECTED IN PARALLEL TO THE SUPPLY DUCT AND TO THE GROOVES OF SAID COLLAR WHEREBY HEAT IS SIMULTANEOUSLY REMOVED FROM THE BEARING AND THE TRUNNION BY AN INDEPENDENT COOLING FLUID.
References Cited (Backward Citations)
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Cited
US2439127A
Cited
US2714538A
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US2813698A
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US2789021A
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US2846600A
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US3097027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |