US3406302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylindrical magnetostrictive electromechanical transducer
Assignee: Westinghouse Electric Corp
•
Filing: 1966-03-15
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Granted: 1968-10-15
•
Expires: 1986-03-15
Abstract
No abstract record available.
Inventors
- 👤 Ronald J Lanyi
- 👤 Richard C Heim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:09
CPC Classifications
H; H04; H04R; H04R15/00; H10; H10N; H10N35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN ELECTROMECHANICAL TRANSDUCER COMPRISING A HOLLOW CYLINDER MEMBER FOR VIBRATION IN A RADIAL MODE AND HAVING INNER AND OUTER CYLINDRICAL SURFACES, ONE OF WHICH IS FOR EXPOSURE TO A MEDIUM TO BE VIBRATED; A HOLLOW CYLINDRICAL ARRAY OF THIN SLOT-FREE ANNULAR MAGNETOSTRICTIVE ELEMENTS ARRANGED COAXIALLY WITH SAID CYLINDER MEMBER AND EACH HAVING A CIRCUMFERENTIAL EDGE IN VIBRATIVE COUPLING TO THE OTHER OF THE AFORESAID CYLINDRICAL SURFACES OF THE HOLLOW CYLINDER MEMBER; SAID HOLLOW CYLINDER MEMBER HAVING LONGITUDINALLY-EXTENDING GROOVES FORMED IN THE CYLINDRICAL SURFACE THEREOF TO WHICH THE MAGNETOSTRICTIVE ELEMENTS ARE COUPLED; AND AN ENERGIZING COIL TOROIDALLY WOUND AROUND SAID ARRAY, DISPOSITION OF THE TURNS OF WHICH COIL BEING ACCOMMODATED BY THE GROOVES IN SAID CYLINDER MEMBER.
Claim 2
Dependent Claim
116 words
AN ELECTROMECHANICAL TRANSDUCER COMPRISING A HOLLOW CYLINDER MEMBER FOR VIBRATION IN A RADIAL MODE AND HAVING INNER AND OUTER CYLINDRICAL SURFACES, ONE OF WHICH IS FOR EXPOSURE TO A MEDIUM TO BE VIBRATED; A HOLLOW CYLINDRICAL ARRAY OF THIN SLOT-FREE ANNULAR MAGNETOSTRICTIVE ELEMENTS ARRANGED COAXIALLY WITH SAID CYLINDER MEMBER AND EACH HAVING A CIRCUMFERENTIAL EDGE IN VIBRATIVE COUPLING TO THE OTHER OF THE AFORESAID CYLINDRICAL SURFACES OF THE HOLLOW CYLINDER MEMBER; SAID HOLLOW CYLINDER MEMBER HAVING LONGITUDINALLY-EXTENDING GROOVES FORMED IN THE CYLINDRICAL SURFACE THEREOF TO WHICH THE MAGNETOSTRICTIVE ELEMENTS ARE COUPLED; AND AN ENERGIZING COIL TOROIDALLY WOUND AROUND SAID ARRAY, DISPOSITION OF THE TURNS OF WHICH COIL BEING ACCOMMODATED BY THE GROOVES IN SAID CYLINDER MEMBER.
References Cited (Backward Citations)
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Cited
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GB684486A
Cited
US2749532A
Cited
US3059217A
Cited
US3009131A
Cited
US3161792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |