Patent US3250932A successfully refreshed from Google Patents.
US3250932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine bearing support and lubrication arrangement
Assignee: General Electric Co
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Filing: 1964-01-02
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Granted: 1966-05-10
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Myron D Tupper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:23
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; H02K5/1672
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A DYNAMOELECTRIC MACHINE COMPRISING A STATOR; A SHAFT; A ROTOR CARRIED BY SAID SHAFT FOR RELATIVE ROTATION WITH SAID STATOR AND DEFINING AN AIR GAP WITH SAID STATOR; AT LEAST ONE BEARING JOURNALING SAID SHAFT HAVING AXIAL GROOVES EXTENDING ALONG THE OUTER PERIPHERY THEREOF; AND FRAME MEANS SUPPORTING EACH BEARING AND A LUBRICATION RESERVOIR FOR SUPPLYING LUBRICANT TO THE JOURNAL SURFACE OF EACH BEARING; SAID MEANS INCLUDING A CASING MOUNTED ADJACENT THE SIDE FACE OF SAID STATOR FORMING A CAVITY WITH ONE WALL EXTENDING GENERALLY RADIALLY TO SAID SIDE FACE; MEANS ATTACHED TO SAID CASING GENERALLY ENCLOSING THE CAVITY AT THE OUTBOARD END OF THE BEARING; SAID ONE WALL HAVING A CENTRAL FLANGED SECTION THROUGH WHICH THE SHAFT EXTENDS AND A NUMBER OF ANGULARLY SPACED POSTS PROJECTING AXIALLY AWAY FROM SAID STATOR; SAID POSTS BEING ACCOM-
Claim 2
Dependent Claim
136 words
A DYNAMOELECTRIC MACHINE COMPRISING A STATOR; A SHAFT; A ROTOR CARRIED BY SAID SHAFT FOR RELATIVE ROTATION WITH SAID STATOR AND DEFINING AN AIR GAP WITH SAID STATOR; AT LEAST ONE BEARING JOURNALING SAID SHAFT HAVING AXIAL GROOVES EXTENDING ALONG THE OUTER PERIPHERY THEREOF; AND FRAME MEANS SUPPORTING EACH BEARING AND A LUBRICATION RESERVOIR FOR SUPPLYING LUBRICANT TO THE JOURNAL SURFACE OF EACH BEARING; SAID MEANS INCLUDING A CASING MOUNTED ADJACENT THE SIDE FACE OF SAID STATOR FORMING A CAVITY WITH ONE WALL EXTENDING GENERALLY RADIALLY TO SAID SIDE FACE; MEANS ATTACHED TO SAID CASING GENERALLY ENCLOSING THE CAVITY AT THE OUTBOARD END OF THE BEARING; SAID ONE WALL HAVING A CENTRAL FLANGED SECTION THROUGH WHICH THE SHAFT EXTENDS AND A NUMBER OF ANGULARLY SPACED POSTS PROJECTING AXIALLY AWAY FROM SAID STATOR; SAID POSTS BEING ACCOM-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |