Condition monitoring system
Abstract
Abstract A CONDITION MONITORING SYSTEM HAVING MEANS FOR SENSING AND INDICATING FAILURES IN THE COMPONENTS OF THE SYSTEM. THE SYSTEM INCLUDES A SERIES CIRCUIT INCLUDING ONE OR MORE IMPEDANCES AND AT LEAST ONE VARIABLE IMPEDANCE SENSING ELEMENT. MEANS FOR PRODUCING A SIGNAL RESPONSIVE TO THE MONITORED CONDITION IS CONNECTED ACROSS ONE OF THE IMPEDANCES AND IS RESPONSIVE TO THE IMPEDANCE OF THE SENSOR. A SECOND SIGNAL PRODUCING MEANS IS CONNECTED ACROSS TWO JUNCTIONS OF THE CIRCUIT AND IS RESPONSIVE TO OPERATIONAL CHANGES WHICH MAY OCCUR IN THE COMPONENTS OF THE SYSTEM. A THIRD SIGNAL PRODUCING MEANS COMBINES THE FIRST TWO SIGNALS TO PROVIDE A SIGNAL WHICH IS RESPONSIVE TO BOTH THE MONITORED CONDITION CHANGES AND OPERATIONAL CHANGES IN TEH SYSTEM COMPONENTS.
Inventors
- 👤 William G Rowell
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |