US3554012A
Expired / Lapsed
US
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Method and arrangement for determining the mechanical state of machines
Assignee: Konsultbyran Iko AB
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Filing: 1968-02-29
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Granted: 1971-01-12
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Expires: 1988-02-29
Abstract
Abstract A SYSTEM FOR DETERMINING THE MECHANICAL STATE OF MACHINES BY CONVERTING THE MECHANICAL VIBRATIONS OCCURRING IN SAID MACHINES INTO ELECTRICAL VIBRATIONS BY MEANS OF A PICKUP, AND ANALYZING THE ELECTRICAL OSCILLATIONS, WHEREBY TRANSIENT OSCILLATIONS ARE SEPARATED FROM THE ELECTRICAL OSCIL- LATIONS AND USED AS A BASIS FOR DETERMINING THE MECHANICAL STATE OF THE MACHINE BEING TESTED.
Inventors
- 👤 Eivind Olav Sohoel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:01
CPC Classifications
G; G01; G01M; G01M13/00; G01M13/02; G01M13/028; G01H; G01H1/00; G01H1/003; G01M13/04; G01M13/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |