US3177124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactor excursion fuse
Assignee: North American Aviation Corp
•
Filing: 1960-10-31
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Granted: 1965-04-06
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 Donald T Eggen
- 👤 Harry A Morewitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:55
CPC Classifications
G; G21; G21C; G21C9/00; G21C9/02; G21C9/022; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A SAFETY DEVICE FOR A NUCLEAR REACTOR COMPRISING A PLURALITY OF REACTOR CORE COMPONENT SEGMENTS COAXIALLY MOUNTED, A PLURALITY OF SPRING MEMBERS POSITIONED BETWEEN AND CONNECTING SAID SEGMENTS, A SEPARABLE MEMBER ADAPTED TO HOLD SAID SPRINGS IN A COMPRESSED STATE, SAID SEPARABLE MEMBER COMPRISING LINKS JOINED TOGETHER BY A RELATIVELY LOW-MELTING MATEIRAL, AND A FISSILE MATERIAL JUXTAPOSED TO SAID LOW-MELTING MATERIAL, THE HEAT GENERATED BY SAID FISSILE MATERIAL UPON A REACTOR TRANSIET MELTING SAID LOW-MELTING MATERIAL, THEREBY PERMITTING SAID SPRINGS TO EXPAND AND SEPARATE SAID REACTOR CORE MATERIALS.
Claim 2
Dependent Claim
88 words
A SAFETY DEVICE FOR A NUCLEAR REACTOR COMPRISING A PLURALITY OF REACTOR CORE COMPONENT SEGMENTS COAXIALLY MOUNTED, A PLURALITY OF SPRING MEMBERS POSITIONED BETWEEN AND CONNECTING SAID SEGMENTS, A SEPARABLE MEMBER ADAPTED TO HOLD SAID SPRINGS IN A COMPRESSED STATE, SAID SEPARABLE MEMBER COMPRISING LINKS JOINED TOGETHER BY A RELATIVELY LOW-MELTING MATEIRAL, AND A FISSILE MATERIAL JUXTAPOSED TO SAID LOW-MELTING MATERIAL, THE HEAT GENERATED BY SAID FISSILE MATERIAL UPON A REACTOR TRANSIET MELTING SAID LOW-MELTING MATERIAL, THEREBY PERMITTING SAID SPRINGS TO EXPAND AND SEPARATE SAID REACTOR CORE MATERIALS.
References Cited (Backward Citations)
US3042599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |