US3262534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-cooled magnetizable particle clutch
Assignee: Eaton Corp
•
Filing: 1964-07-21
•
Granted: 1966-07-26
•
Expires: 1984-07-21
Abstract
No abstract record available.
Inventors
- 👤 William A Monroe
- 👤 Homer C Simons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:30
CPC Classifications
F; F16; F16D; F16D37/00; F16D37/02; F16D2037/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN ELECTROMAGNETIC COUPLING COMPRISING ROTARY DRIVING AND DRIVEN MEMBERS, A HOLLOW MAGNETIZABLE DRUM CONNECTED WITH THE DRIVING MEMBER, A MAGNETIZABLE SLEEVE MEMBER CONNECTED TO THE DRIVEN MEMBER AND LOCATED WITHIN THE DRUM TO FORM OUTER GAPS THEREWITH, MAGNETIZABLE PARTICLES MOVABLE TO AND FROM THE OUTER GAPS, A FIXED MEMBER, A FIRST MAGNETIZABLE RING ATTACHED TO SAID FIXED MEMBER, AN ANNULAR FIELD COIL SURROUNDING SAID FIRST RING, POLE RINGS ATTACHED TO SAID FIRST RING, SAID POLE RINGS FLANKING SAID FIELD COIL AND HAVING OUTER SURFACES FORMING INNER AIR GAPS WITH SAID SLEEVE MEMBER, EACH POLE RING HAVING AN ANNULAR RECESS ADJACENT THE COIL, A MAGNETIZABLE HEAT-CONDUCTIVE RING BETWEEN EACH SIDE OF THE COIL AND THE ADJACENT ANNULAR RECESS AND SEALED TO ITS
Claim 2
Dependent Claim
121 words
AN ELECTROMAGNETIC COUPLING COMPRISING ROTARY DRIVING AND DRIVEN MEMBERS, A HOLLOW MAGNETIZABLE DRUM CONNECTED WITH THE DRIVING MEMBER, A MAGNETIZABLE SLEEVE MEMBER CONNECTED TO THE DRIVEN MEMBER AND LOCATED WITHIN THE DRUM TO FORM OUTER GAPS THEREWITH, MAGNETIZABLE PARTICLES MOVABLE TO AND FROM THE OUTER GAPS, A FIXED MEMBER, A FIRST MAGNETIZABLE RING ATTACHED TO SAID FIXED MEMBER, AN ANNULAR FIELD COIL SURROUNDING SAID FIRST RING, POLE RINGS ATTACHED TO SAID FIRST RING, SAID POLE RINGS FLANKING SAID FIELD COIL AND HAVING OUTER SURFACES FORMING INNER AIR GAPS WITH SAID SLEEVE MEMBER, EACH POLE RING HAVING AN ANNULAR RECESS ADJACENT THE COIL, A MAGNETIZABLE HEAT-CONDUCTIVE RING BETWEEN EACH SIDE OF THE COIL AND THE ADJACENT ANNULAR RECESS AND SEALED TO ITS
References Cited (Backward Citations)
US2440551A
Cited
GB713849A
Cited
US2743800A
Cited
US2791308A
Cited
US2821271A
Cited
US3176809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |