US3610974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamo-electric stepping arrangement
Assignee: Individual
•
Filing: 1970-01-05
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Granted: 1971-10-05
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Expires: 1990-01-05
Abstract
Abstract Dynamo-electric stepping arrangement including at least one annular, inner permanent magnet composed of a pair of semicircular segments disposed within a circular hollow outer permanent magnet similarly composed of a pair of semicircular segments whereby the opposing poles of the magnets are arranged adjacent each other in magnetic repulsion so as to create a highdensity magnetic field about the inner and outer magnets approximately 180* apart. A pair of coil carried on respective quadrants are encircled about a portion of the inner magnet so as to move about the magnet between the inner and the outer magnets. A current device is operably connected to the coils for selectively and periodically pulsing the coils so as to establish an attractive magnetic force at the respective leading ends of the coils whereby the coils and hence, the quadrants, will move in a rotary manner. By mounting the quadrants on a shaft, a work output may be generated.
Inventors
- 👤 Keith E Kenyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:47
CPC Classifications
H; H02; H02K; H02K21/00; H02K21/26; H02K23/00; H02K23/02; H02K23/04; H02K25/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
95 words
A dynamoelectric stepping arrangement comprising: a fixed permanent magnet; a movable electromagnet in close proximity to said fixed permanent magnet; the poles of said magnets being arranged in attraction relationship; electrical means operably coupled to said electromagnet for selectively energizing said electromagnet whereby a high density magnetic field appears at the opposite ends thereof in opposite polarity to said permanent magnet and whereby said electromagnet moves with respect to said permanent magnet and said permanent magnet is a ring composed of a pair of semicylindrical circular segments having ends of similar polarity facing each other.
Claim 2
Dependent Claim
95 words
A dynamoelectric stepping arrangement comprising: a fixed permanent magnet; a movable electromagnet in close proximity to said fixed permanent magnet; the poles of said magnets being arranged in attraction relationship; electrical means operably coupled to said electromagnet for selectively energizing said electromagnet whereby a high density magnetic field appears at the opposite ends thereof in opposite polarity to said permanent magnet and whereby said electromagnet moves with respect to said permanent magnet and said permanent magnet is a ring composed of a pair of semicylindrical circular segments having ends of similar polarity facing each other.
Claim 3
Dependent Claim
22 words
The invention as defined in claim 1 wherein said electromaGnet is a pair of coils encircling opposite portions of said ring magnet.
Claim 4
Dependent Claim
55 words
The invention as defined in claim 2 including an outer permanent magnet enclosing said coils and said first mentioned ring magnet and composed of a pair of semicircular magnets having their ends of similar polarity facing each other so as to radiate a magnetic field additive to the fields radiated by said first mentioned magnet.
Claim 5
Dependent Claim
32 words
The invention as defined in claim 3 wherein a plurality of stages are provided in coaxial relationship and wherein each one of said stages is offset magnetically with respect to adjacent stages.
Claim 6
Dependent Claim
34 words
The invention as defined in claim 3 including releasable means for supporting said inner magnet with respect to said outer magnet; and fixed means of support with respect to a hysteresis means of support.
Claim 7
Dependent Claim
16 words
The invention as defined in claim 3 wherein said coils are fixed to a rotatable shaft.
Claim 8
Dependent Claim
113 words
The invention as defined in claim 1 wherein said fixed permanent magnet constitutes an inner ring magnet; a second fixed permanent magnet surrounding said inner magnet constituting an outer magnet; each of said inner and outer magnets being characterized by a pair of semicircular magnets having their ends of similar or like polarity facing each other so as to establish a field of high density magnetic force on opposite sides of said inner and outer magnets separated by the center of said magnets; and said electromagnetic constitutes a pair of coils movably disposed about said inner magnet and adapted to move towards said high density magnetic forces when pulsed by said electrical means.
Claim 9
Dependent Claim
31 words
The invention as defined in claim 7 including output means operably connected to said coils for converting coil movement into mechanical displacement of said output means effective to transfer torque loads.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |