Patent US3316756A successfully refreshed from Google Patents.
US3316756A
Expired / Lapsed
US
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Vibration monitoring system
Assignee: Carrier Corp
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Filing: 1964-06-12
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Granted: 1967-05-02
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Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 George H Hickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:47
CPC Classifications
G; G01; G01H; G01H1/00; G01H1/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN COMBINATION WITH MECHANISM FOR DETECTING VIBRATION OF A STRUCTURAL PART WHEREIN SAID VIBRATION IS SENSED BY A VARIATION IN AN ELECTRICAL SIGNAL CAUSED BY MOVEMENT OF THE STRUCTURE UNDER THE INFLUENCE OF VIBRATION RELATIVE TO A SIGNAL TRANSMISSION DEVICE, A FIRST CIRCUIT INCLUDING A CONTROL SWITCH HAVING A FIRST SET OF CONTACTS FOR TRANSMITTING THE DETECTED SIGNAL TO A MEASURING DEVICE TO RECORD THE SHAFT DISPLACEMENT DUE TO VIBRATION, A SECOND CIRCUIT INCLUDING A SECOND SET OF SWITCH CONTACTS FOR INDICATING THE POSITION OF THE VIBRATION SENSING DEVICE RELATIVE TO SAID PART, AND A THIRD CIRCUIT INCLUDING A THIRD SET OF CONTACTS FOR TRANSMITTING INDEPENDENTLY OF SAID VIBRATION SENSING DEVICE A SIGNAL INDICATIVE OF A PRE-SELECTED MAGNITUDE OF VIBRATION TO TEST THE ACCURACY OF SAID MEASURING DEVICE.
Claim 2
Dependent Claim
128 words
IN COMBINATION WITH MECHANISM FOR DETECTING VIBRATION OF A STRUCTURAL PART WHEREIN SAID VIBRATION IS SENSED BY A VARIATION IN AN ELECTRICAL SIGNAL CAUSED BY MOVEMENT OF THE STRUCTURE UNDER THE INFLUENCE OF VIBRATION RELATIVE TO A SIGNAL TRANSMISSION DEVICE, A FIRST CIRCUIT INCLUDING A CONTROL SWITCH HAVING A FIRST SET OF CONTACTS FOR TRANSMITTING THE DETECTED SIGNAL TO A MEASURING DEVICE TO RECORD THE SHAFT DISPLACEMENT DUE TO VIBRATION, A SECOND CIRCUIT INCLUDING A SECOND SET OF SWITCH CONTACTS FOR INDICATING THE POSITION OF THE VIBRATION SENSING DEVICE RELATIVE TO SAID PART, AND A THIRD CIRCUIT INCLUDING A THIRD SET OF CONTACTS FOR TRANSMITTING INDEPENDENTLY OF SAID VIBRATION SENSING DEVICE A SIGNAL INDICATIVE OF A PRE-SELECTED MAGNITUDE OF VIBRATION TO TEST THE ACCURACY OF SAID MEASURING DEVICE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |