US3261994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cooling arrangement for salient pole rotors
Assignee: General Electric Co
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Filing: 1963-11-27
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Granted: 1966-07-19
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Expires: 1983-11-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:13
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A SALIENT POLE ROTOR COMPRISING: A MAGNETIC CORE SUPPORTING A MULTIPLICITY OF FIELD POLES HAVING WINDINGS THEREON AND AIR DUCTS EXTENDING RADIALLY FROM THE INNER PORTIONS OF THE ROTOR INTO THE INTERPOLAR SPACES, A DEFLECTOR SECURED EXCLUSIVELY TO THE ROTOR SURFACE AND POSITIONED BETWEEN EACH PAIR OF ADJACENT POLES, SAID DEFLECTOR COMPRISING A BAFFLE SPACED FROM THE ROTOR SURFACE OF SPACERS AND LOCATED OVE THE ROTOR AIR DUCTS, WHEREBY AIR FLOWING THROUGH THE AIR DUCTS IS DIVERTED BY THE DEFLECTOR INTO CONTACT WITH THE FIELD WINDINGS PRIOR TO BEING DISCHARGED FROM THE MACHINE.
Claim 2
Dependent Claim
93 words
A SALIENT POLE ROTOR COMPRISING: A MAGNETIC CORE SUPPORTING A MULTIPLICITY OF FIELD POLES HAVING WINDINGS THEREON AND AIR DUCTS EXTENDING RADIALLY FROM THE INNER PORTIONS OF THE ROTOR INTO THE INTERPOLAR SPACES, A DEFLECTOR SECURED EXCLUSIVELY TO THE ROTOR SURFACE AND POSITIONED BETWEEN EACH PAIR OF ADJACENT POLES, SAID DEFLECTOR COMPRISING A BAFFLE SPACED FROM THE ROTOR SURFACE OF SPACERS AND LOCATED OVE THE ROTOR AIR DUCTS, WHEREBY AIR FLOWING THROUGH THE AIR DUCTS IS DIVERTED BY THE DEFLECTOR INTO CONTACT WITH THE FIELD WINDINGS PRIOR TO BEING DISCHARGED FROM THE MACHINE.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |