US3280355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor rims for electrical machines
Assignee: Societe Generale de Constructions Electriques et Mecaniques
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Filing: 1963-12-09
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Granted: 1966-10-18
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Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Ruelle Gilbert
- 👤 Peter Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:59
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A ROTOR RIM FOR ROTARY ELECTRIC MACHINES, COMPRISING A STACK OF FLAT RINGS, EACH CONSTITUTED BY ASSEMBLING BASIC SEGMENTS FORMING LAYERS, ASSEMBLED TOGETHER BY CLAMPING MEMBERS, THE JOINTS BETWEEN SAID BASIC SEGMENTS BEING MUTUALLY OFFSET FROM ONE LAYER TO THE NEXT, WHEREIN THERE ARE INTERPOSED IN SAID STACK OF FLAT RINGS, LAYERS FORMED BY SHORTENED AND HENCE NONCONTINGUOUS SEGMENTS CONSTITUTING BONDS ARRANGED CIRCUMFERENTIALLY OPPOSITE THE VARIOUS POSITIONS OCCUPIED BY THE JOINTS BETWEEN SAID BASIC SEGMENTS, WHEREBY TO COMPENSATE OR OVERCOMPENSATE THE MECHANICAL EFFECT OF SAID JOINTS, THE SAID SHORTENED SEGMENTS BEING JOINED TO THE NORMAL SEGMENTS BY MEANS FOR CLAMPING TOGETHER THE RIM AS A WHOLE.
Claim 2
Dependent Claim
106 words
A ROTOR RIM FOR ROTARY ELECTRIC MACHINES, COMPRISING A STACK OF FLAT RINGS, EACH CONSTITUTED BY ASSEMBLING BASIC SEGMENTS FORMING LAYERS, ASSEMBLED TOGETHER BY CLAMPING MEMBERS, THE JOINTS BETWEEN SAID BASIC SEGMENTS BEING MUTUALLY OFFSET FROM ONE LAYER TO THE NEXT, WHEREIN THERE ARE INTERPOSED IN SAID STACK OF FLAT RINGS, LAYERS FORMED BY SHORTENED AND HENCE NONCONTINGUOUS SEGMENTS CONSTITUTING BONDS ARRANGED CIRCUMFERENTIALLY OPPOSITE THE VARIOUS POSITIONS OCCUPIED BY THE JOINTS BETWEEN SAID BASIC SEGMENTS, WHEREBY TO COMPENSATE OR OVERCOMPENSATE THE MECHANICAL EFFECT OF SAID JOINTS, THE SAID SHORTENED SEGMENTS BEING JOINED TO THE NORMAL SEGMENTS BY MEANS FOR CLAMPING TOGETHER THE RIM AS A WHOLE.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |