Patent US3575624A successfully refreshed from Google Patents.
US3575624A
Expired / Lapsed
US
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Wire wound disc armature
Assignee: Kollmorgen Corp
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Filing: 1969-11-10
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Granted: 1971-04-20
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Expires: 1989-11-10
Abstract
Abstract A wire wound motor armature constructed by forming successive groups of single turn armature coils, the coils within each group being in registry with one another, the groups being indexed relative to one another, and all coils being interconnected in a wave configuration.
Inventors
- 👤 Raymond J Keogh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:04
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/54; H02K3/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
188 words
An armature for an electrical machine having a multipole magnetic structure comprising a closed winding including a plurality of single turn armature coils interconnected in a wave configuration, each armature coil including a pair of winding segments spaced approximately in accordance with the distances between adjacent pole centers of the associate magnetic structure, each single pair of winding segments being interconnected at at least one of its ends to one end of a pair of winding segments on said armature spaced from said each single pair of winding segment a distance substantially equal to the distance to the pole centers of the next adjacent pair of poles of said multipole magnetic structure, the armature coils being divided into a plurality of similar groups, each of said groups including n(p) + OR - 1 coils, where n is an integer and p is the number of pole pairs in the magnetic structure, each similar group of said plurality of similar groups being indexed relative to the other of said plurality of similar groups making up such armature so that said groups are uniformly spaced and distributed on said armature.
Claim 2
Dependent Claim
188 words
An armature for an electrical machine having a multipole magnetic structure comprising a closed winding including a plurality of single turn armature coils interconnected in a wave configuration, each armature coil including a pair of winding segments spaced approximately in accordance with the distances between adjacent pole centers of the associate magnetic structure, each single pair of winding segments being interconnected at at least one of its ends to one end of a pair of winding segments on said armature spaced from said each single pair of winding segment a distance substantially equal to the distance to the pole centers of the next adjacent pair of poles of said multipole magnetic structure, the armature coils being divided into a plurality of similar groups, each of said groups including n(p) + OR - 1 coils, where n is an integer and p is the number of pole pairs in the magnetic structure, each similar group of said plurality of similar groups being indexed relative to the other of said plurality of similar groups making up such armature so that said groups are uniformly spaced and distributed on said armature.
Claim 3
Dependent Claim
16 words
An armature according to claim 1 wherein said winding is secured to a disc-shaped, dielectric carrier.
Claim 4
Dependent Claim
16 words
An armature according to claim 1 wherein said winding is laminated into a dielectric disc carrier.
Claim 5
Dependent Claim
28 words
An armature according to claim 1 wherein said winding is formed with insulated wire and said wire is physically bonded at intersections where they occur throughout the winding.
Claim 6
Dependent Claim
33 words
An armature according to claim 1 including a commutator having a pluraliTy of commutator bars, said winding being connected to individual ones of said commutator bars at regularly spaced intervals throughout said winding.
Claim 7
Dependent Claim
54 words
An armature according to claim 5 wherein the number of coils in each of said groups is n(p) + or - 1 and the number of coils between commutator connection points is n''(p) + or - 1; n and n'' being integers and p being the number of pole pairs in the magnetic structure.
Claim 8
Dependent Claim
21 words
An armature according to claim 5 wherein said commutator connection points coincide with the indexing points between successive groups of coils.
Claim 9
Dependent Claim
235 words
An electrical machine comprising a stator including means for providing an array of pole faces of alternating magnetic polarity, an armature having an insulated wire winding including a plurality of single turn armature coils interconnected in a wave configuration, each armature coil including a pair of winding segments spaced approximately in accordance with the distance between adjacent pole centers of said stator, each single pair of winding segments being interconnected at at least one of its end to one end of a pair of winding segments on said armature spaced from said each single pair of winding segment a distance substantially equal to the distance to the pole centers of the next adjacent pair of poles of said multipole magnetic structure, said armature coils being divided into a plurality of similar groups, the number of armature coils in each said group is n(p) + or - 1, where n is an integer and p is the number of pole pairs in said stator, each similar group of said plurality of similar groups being indexed relative to the other of said plurality of similar groups making up such armature so that said groups are uniformly spaced and distributed on said armature, a commutator including a plurality of commutator bars, said winding being connected to individual ones of said commutator bars at regularly spaced intervals throughout said winding, and means for energizing said winding via said commutator.
Claim 10
Dependent Claim
235 words
An electrical machine comprising a stator including means for providing an array of pole faces of alternating magnetic polarity, an armature having an insulated wire winding including a plurality of single turn armature coils interconnected in a wave configuration, each armature coil including a pair of winding segments spaced approximately in accordance with the distance between adjacent pole centers of said stator, each single pair of winding segments being interconnected at at least one of its end to one end of a pair of winding segments on said armature spaced from said each single pair of winding segment a distance substantially equal to the distance to the pole centers of the next adjacent pair of poles of said multipole magnetic structure, said armature coils being divided into a plurality of similar groups, the number of armature coils in each said group is n(p) + or - 1, where n is an integer and p is the number of pole pairs in said stator, each similar group of said plurality of similar groups being indexed relative to the other of said plurality of similar groups making up such armature so that said groups are uniformly spaced and distributed on said armature, a commutator including a plurality of commutator bars, said winding being connected to individual ones of said commutator bars at regularly spaced intervals throughout said winding, and means for energizing said winding via said commutator.
Claim 11
Dependent Claim
48 words
An electrical machine according to claim 8 wherein the number of armature coils between successive connections to said commutator bars is n''(p) + or - 1, where n''(p) + or - 1, where n'' is an integer and p is the number of pole pairs in said stator.
Claim 12
Dependent Claim
25 words
An electrical machine according to claim 8 wherein the connections to said commutator bars coincide with the indexing points between successive groups of armature coils.
References Cited (Backward Citations)
US229191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |