US3214620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent magnet motor and flux adjusting apparatus for use therein
Assignee: Westinghouse Electric Corp
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Filing: 1962-12-28
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Granted: 1965-10-26
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Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 James E Smith
- 👤 Earl C Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:28
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/40; H02K23/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A DYNAMOELECTRIC MACHINE HAVING A YOKE MEMBER AND A ROTATABLE ARMATURE MEMBER, A PERMANENT MAGNET SALIENT POLE MEMBER SECURED TO THE YOKE MEMBER, SAID POLE MEMBER HAVING A CENTRAL OPENING EXTENDING LONGITUDINALLY THEREOF, AND A MAGNETIC SHUNT MEMBER OF MAGNETIC MATERIAL DISPOSED IN SAID OPENING TO SHUNT A PORTION OF THE MAGNETIC FLUX OF THE POLE MEMBER AWAY FROM THE MAGNETIC PATH THROUGH THE POLE MEMBER AND ARMATURE MEMBER, SAID SHUNT MEMBER BEING ADJUSTABLE IN POSITION LONGITUDINALLY OF THE POLE MEMBER TO CONTROL THE AMOUNT OF FLUX PASSING THROUGH SAID MAGNETIC PATH.
Claim 2
Dependent Claim
93 words
IN A DYNAMOELECTRIC MACHINE HAVING A YOKE MEMBER AND A ROTATABLE ARMATURE MEMBER, A PERMANENT MAGNET SALIENT POLE MEMBER SECURED TO THE YOKE MEMBER, SAID POLE MEMBER HAVING A CENTRAL OPENING EXTENDING LONGITUDINALLY THEREOF, AND A MAGNETIC SHUNT MEMBER OF MAGNETIC MATERIAL DISPOSED IN SAID OPENING TO SHUNT A PORTION OF THE MAGNETIC FLUX OF THE POLE MEMBER AWAY FROM THE MAGNETIC PATH THROUGH THE POLE MEMBER AND ARMATURE MEMBER, SAID SHUNT MEMBER BEING ADJUSTABLE IN POSITION LONGITUDINALLY OF THE POLE MEMBER TO CONTROL THE AMOUNT OF FLUX PASSING THROUGH SAID MAGNETIC PATH.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |