Patent US3958140A successfully refreshed from Google Patents.
US3958140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Generator containment system
Assignee: RTX Corp
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Filing: 1974-12-19
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Granted: 1976-05-18
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Expires: 1994-12-19
Abstract
Abstract In a generator containment system, a stator member is enclosed within and turnable in a surrounding outer member, with an energy absorbing structure interconnecting the members so that, in the event of a burst or seized rotor, journaled within said members, the torque imparted to the surrounding rotor will be absorbed during a short turning motion of the stator member, thereby avoiding otherwise catastrophic failure.
Inventors
- 👤 John J. Horgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:41
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/18; H02K1/185; H02K5/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
113 words
In a containment system for a generator, the latter including a stator and a rotor within and journaled in the stator, the system including: a surrounding case around at least a part of said stator and within which the stator and rotor are positioned and in which the stator is turnable, and energy absorbing structures spaced around the stator and positioned between said stator and case to hold the stator in position within the case under normal loads, said structures being so oriented to permit angular movement of the stator to a limited extent in the same direction as the normal rotation of the rotor only under severe high torque above normal loadings.
Claim 2
Dependent Claim
113 words
In a containment system for a generator, the latter including a stator and a rotor within and journaled in the stator, the system including: a surrounding case around at least a part of said stator and within which the stator and rotor are positioned and in which the stator is turnable, and energy absorbing structures spaced around the stator and positioned between said stator and case to hold the stator in position within the case under normal loads, said structures being so oriented to permit angular movement of the stator to a limited extent in the same direction as the normal rotation of the rotor only under severe high torque above normal loadings.
Claim 3
Dependent Claim
40 words
A containment system as in claim 1 in which each energy absorbing structure includes a bolt extending substantially tangentially between said case member and stator member and a die on one of said members through which said bolt is extrudable.
Claim 4
Dependent Claim
37 words
A containment system as in claim 1 in which each of the structures include cooperating elements on the case and stator and an extrudable member extending substantially tangentially of said case and stator and connecting said elements.
Claim 5
Dependent Claim
92 words
The combination with a generator rotor and a surrounding stator member, of an outer case member enclosing said rotor and stator member, said rotor being journaled in one of said members, and energy absorbing structures interconnecting said stator member and said outer case member and normally supporting said members against relative rotation, said structures being arranged to permit angular turning movement of said stator within said outer case member under excessive torque loads above the normal torque on the stator, and to absorb energy to limit the extent of the turning movement.
Claim 6
Dependent Claim
92 words
The combination with a generator rotor and a surrounding stator member, of an outer case member enclosing said rotor and stator member, said rotor being journaled in one of said members, and energy absorbing structures interconnecting said stator member and said outer case member and normally supporting said members against relative rotation, said structures being arranged to permit angular turning movement of said stator within said outer case member under excessive torque loads above the normal torque on the stator, and to absorb energy to limit the extent of the turning movement.
Claim 7
Dependent Claim
45 words
The combination of claim 4 in which the structures include at least one bolt arranged tangentially between said members and attached to one of them, and a die on the other of said members to receive said bolt and through which the bolt is extrudable.
Claim 8
Dependent Claim
29 words
The combination of claim 4 in which the structures include cooperating elements on the members and an extrudable member extending substantially tangentially of said members and interconnecting said elements.
References Cited (Backward Citations)
US2754441A
Cited
US3805102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-18 | 1979-11-17 | 1980-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-18 | 1983-11-17 | 1984-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-18 | 1987-11-17 | 1988-05-18 | $7700.00 | Window Closed / Lapsed |