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USRE28381E Expired / Lapsed US ⏱️ 0.0 years remaining

Alden p. edson

Assignee: —
•
Filing: 1973-12-26
•
Granted: 1975-04-01
•
Expires: 1993-12-26
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Abstract

Abstract 3. AN ELECTROMECHANICAL TRANSDUCER (AS SET FORTH IN CLAIM 1 WHEREIN THE) FOR CONVERTING ELECTRICAL POWER TO VIBRATORY MECHANICAL POWER AND FOR EXERTING A MAJOR PROPORTION OF SAID VIBRATORY MECHANICAL POWER ALONG AN AXIS OF DESIRED POWER OUTPUT COMPRISING: A CORE CONTAINING BILINEAR MAGNETOSTRICTIVE MATERIAL AND EXTENDING ALONG THE AXIS OF DESIRED POWER OUTPUT, SAID CORE (IS) BEING OF A HOLLOW CLOSED-PATH CONFIGURATION PROVIDING A SUBSTANTIALLY CONTINUOUS PATH OF CORE MATERIAL AROUND A CENTRAL OPENING AND HAVING A CONTINUOUS INTERIOR CAVITY EXTENDING WITHIN THE CORE MATERIAL AND COEXTENSIVELY WITH THE PATH OF CORE MATERIAL AROUND THE CENTRAL OPENING, A FIRST ELECTRICALLY CONDUCTIVE COIL ADAPTED TO BE ELECTROMAGNETICALLY COUPLED WITH THE CORE WHEN ELECTRIC CURRENT IS PASSED THROUGH THE COIL AND TO THEREBY PRODUCE A FIRST ELECTROMAGNETIC FIELD HAVING FLUX DIRECTED ALONG SAID DESIRED AXIS OF POWER OUTPUT AND A SECOND ELECTRICALLY CONDUCTIVE COIL ADAPTED TO BE ELECTROMAGNETICALLY COUPLED WITH THE CORE WHEN ELECTRIC CURRENT IS PASSED THROUGH SAID SECOND COIL AND TO THEREBY PRODUCE A SECOND ELECTROMAGNETIC FIELD HAVING FLUX INTERSECTING THE CORE IN A DIRECTION TRANSVERSE TO THE DIRECTION OF FLUX INTERSECTING THE CORE FROM THE FIRST COIL, ONE OF THE COILS (IS) BEING WOUND WITHIN THE CAVITY AND COEXTENSIVELY WITH THE PATH OF THE CAVITY AND (HAS) HAVING ELECTRICALLY CONDUCTIVE LEADS EXTENDING TO THE EXTERIOR OF THE CAVITY AND THE OTHER OF THE COILS (IS) BEING WOUND TOROIDALLY AROUND THE EXTERIOR OF THE PATH OF CORE MATERIAL.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:54
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/08; H; H10; H10N; H10N35/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2472388A Cited
US2776416A Cited
US2730103A Cited
US2876419A Cited
US3470402A Cited
US3515965A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-03-31 1978-09-30 1979-04-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-03-31 1982-09-30 1983-04-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-03-31 1986-09-30 1987-04-01 $7700.00 Window Closed / Lapsed

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