Patent US618479A successfully refreshed from Google Patents.
Patent US3590296A successfully refreshed from Google Patents.
US3590296A
Expired / Lapsed
US
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Electric rotating machine
Assignee: Aciers et Outillage Peugeot SA
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Filing: 1969-10-03
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Granted: 1971-06-29
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Expires: 1989-10-03
Abstract
Abstract A rotating electric machine of the type in which the connection ends of the bars of the commutator are connected by connecting wires to the armature windings. Elements of insulating material are interposed between the connection ends of the commutator bars to preclude contact between the connecting wires.
Inventors
- 👤 Rene Dumez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:00
CPC Classifications
H; H02; H02K; H02K13/00; H02K13/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
91 words
A rotating electric machine comprising a shaft, a commutator and an armature mounted on said shaft, said armature having windings and said commutator having commutator bars comprising connection ends, wires connecting said armature windings to respective ones of said connection ends of said bars said connection ends having freely extending extremities projecting in the direction of said armature and, provided between succeeding ones of said extremities, a protecting element of an insulating material so as to maintain separated from each other respective ones of said wires connected to said succeeding extremities.
Claim 2
Dependent Claim
91 words
A rotating electric machine comprising a shaft, a commutator and an armature mounted on said shaft, said armature having windings and said commutator having commutator bars comprising connection ends, wires connecting said armature windings to respective ones of said connection ends of said bars said connection ends having freely extending extremities projecting in the direction of said armature and, provided between succeeding ones of said extremities, a protecting element of an insulating material so as to maintain separated from each other respective ones of said wires connected to said succeeding extremities.
Claim 3
Dependent Claim
80 words
A rotating electric machine comprising a shaft, a commutator and an armature mounted on said shaft, said armature having windings and said commutator having commutator bars having connection ends, wires connecting said armature windings to said connection ends of said bars and elements of an insulating material interposed between said connection ends of said bars, wherein said elements are teeth provided on the periphery of an insulating washer which is mounted on said shaft in a position adjacent said commutator.
Claim 4
Dependent Claim
80 words
A rotating electric machine comprising a shaft, a commutator and an armature mounted on said shaft, said armature having windings and said commutator having commutator bars having connection ends, wires connecting said armature windings to said connection ends of said bars and elements of an insulating material interposed between said connection ends of said bars, wherein said elements are teeth provided on the periphery of an insulating washer which is mounted on said shaft in a position adjacent said commutator.
References Cited (Backward Citations)
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US2749460A
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US3365600A
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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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |