US3158770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Armature bar vibration damping arrangement
Assignee: General Electric Co
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Filing: 1960-12-14
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Granted: 1964-11-24
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Expires: 1980-12-14
Abstract
No abstract record available.
Inventors
- 👤 Almy D Coggeshall
- 👤 Joseph I Whittlesey
- 👤 William L Darby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:37
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/48; Y; Y10; Y10S; Y10S174/00; Y10S174/13; Y10S174/14; Y10S174/19; Y10S174/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A VIBRATION-DAMPED CONDUCTOR BAR ASSEMBLY FOR AN ALTERNATING CURRENT DYNAMOELECTRIC MACHINE COMPRISING AN ARMATURE CORE DEFINING CIRCUMFERENTIALLY SPACED RADIALLY DIRECTED SLOTS EACH HAVING A FLAT-SIDED SLOT PORTION, AN ARMATURE WINDING INCLUDING AT LEAST ONE ARMATURE BAR HAVING A SUBSTANTIALLY FLAT-SIDED BAR PORTION DISPOSED IN EACH OF SAID SLOTS AND SUBJECT TO ELECTRICAL FORCES TENDING TO CAUSE VIBRATORY RADIAL MOVEMENT OF THE ARMATURE BAR IN THE SLOT, MEANS RETAINING THE ARMATURE BARS AGAINST RADIAL DISPLACEMENT FROM SAID SLOTS, AND LEAF SPRING MEANS DISPOSED IN EACH OF SAID SLOTS BETWEEN ONE SIDE WALL OF
Claim 2
Dependent Claim
92 words
A VIBRATION-DAMPED CONDUCTOR BAR ASSEMBLY FOR AN ALTERNATING CURRENT DYNAMOELECTRIC MACHINE COMPRISING AN ARMATURE CORE DEFINING CIRCUMFERENTIALLY SPACED RADIALLY DIRECTED SLOTS EACH HAVING A FLAT-SIDED SLOT PORTION, AN ARMATURE WINDING INCLUDING AT LEAST ONE ARMATURE BAR HAVING A SUBSTANTIALLY FLAT-SIDED BAR PORTION DISPOSED IN EACH OF SAID SLOTS AND SUBJECT TO ELECTRICAL FORCES TENDING TO CAUSE VIBRATORY RADIAL MOVEMENT OF THE ARMATURE BAR IN THE SLOT, MEANS RETAINING THE ARMATURE BARS AGAINST RADIAL DISPLACEMENT FROM SAID SLOTS, AND LEAF SPRING MEANS DISPOSED IN EACH OF SAID SLOTS BETWEEN ONE SIDE WALL OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |