Patent US3264588A successfully refreshed from Google Patents.
US3264588A
Expired / Lapsed
US
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Position-measuring transformer having means for compensating errors in conductor alignment
Assignee: Del Electronics Corp
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Filing: 1965-01-18
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Granted: 1966-08-02
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 James L Winget
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:47
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/204; G01D5/2066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A POSITION-MEASURING TRANSFORMER COMPRISING CLOSELY SPACED RELATIVELY ROTATABLY STATOR AND ROTOR TRANSFORMER MEMBERS IN COUPLING RELATIONSHIP, EACH BEING A DISC HAVING RADIAL CONDUCTORS CONNECTED IN SERIES CIRCUMFERENTIALLY, THE PITCH OF THE RADIAL CONDUCTORS OF SAID STATOR DIFFERING SLIGHTLY FROM THE PITCH OF THE RADIAL CONDUCTORS OF THE ROTOR IN SUCH AMOUNT AS TO SUPPRESS AN UNDESIRED HARMONIC, THE PITCH OF SOME STATOR CONDUCTOR BEING GREATER AND THE PITCH OF OTHER STATOR CONDUCTORS BEING LESS THAN THE PITCH OF THE RATOR CONDUCTORS, THE CONDUCTORS OF GREATER AND LESSER PITCH BEING DISTRIBUTED AROUND THE STATOR DISC APPROXIMATELY UNIFORMLY.
Claim 2
Dependent Claim
96 words
A POSITION-MEASURING TRANSFORMER COMPRISING CLOSELY SPACED RELATIVELY ROTATABLY STATOR AND ROTOR TRANSFORMER MEMBERS IN COUPLING RELATIONSHIP, EACH BEING A DISC HAVING RADIAL CONDUCTORS CONNECTED IN SERIES CIRCUMFERENTIALLY, THE PITCH OF THE RADIAL CONDUCTORS OF SAID STATOR DIFFERING SLIGHTLY FROM THE PITCH OF THE RADIAL CONDUCTORS OF THE ROTOR IN SUCH AMOUNT AS TO SUPPRESS AN UNDESIRED HARMONIC, THE PITCH OF SOME STATOR CONDUCTOR BEING GREATER AND THE PITCH OF OTHER STATOR CONDUCTORS BEING LESS THAN THE PITCH OF THE RATOR CONDUCTORS, THE CONDUCTORS OF GREATER AND LESSER PITCH BEING DISTRIBUTED AROUND THE STATOR DISC APPROXIMATELY UNIFORMLY.
References Cited (Backward Citations)
US2799835A
Cited
US3202948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |