US3071972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating systems analyzer
Assignee: Allis Chalmers Corp
•
Filing: 1957-07-01
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Granted: 1963-01-08
•
Expires: 1977-07-01
Abstract
No abstract record available.
Inventors
- 👤 Eldo C Koenig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:44
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/20; G01M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
THE METHOD OF DETERMINING UNBALANCE OF A ROTATING SHAFT COMPRISING PRODUCING A VOLTAGE SIGNAL IN RESPONSE TO THE CONDITION OF UNBALANCE AT EACH OF A PLURALITY OF SURFACE POSITIONS ALONG A SHAFT, SETTING THE PARAMETERS OF A COMPUTER IN ACCORDANCE WITH THE EQUATIONS DEFINING THE SECOND ORDER LINEAR DIFFERENTIAL DESCRIBING MECHANICAL VIBRATIONS IN A MECHANICAL VIBRATING SYSTEM, FEEDING THE VOLTAGE SIGNALS FROM EACH OF THE SURFACE POSITIONS TO THE INPUT OF SAID COMPUTER AND FEEDING THE OUTPUT OF SAID COMPUTER TO AN OSCILLOSCOPE TO CAUSE THE SOLUTIONS TO BE REPRESENTED AS A SINUSOIDAL TRACE CURVE WITH THE MAGNITUDE OF FORCES REPRESENTED BY THE AMPLITUDE OF THE CURVE.
Claim 2
Independent Claim
107 words
THE METHOD OF DETERMINING UNBALANCE OF A ROTATING SHAFT COMPRISING PRODUCING A VOLTAGE SIGNAL IN RESPONSE TO THE CONDITION OF UNBALANCE AT EACH OF A PLURALITY OF SURFACE POSITIONS ALONG A SHAFT, SETTING THE PARAMETERS OF A COMPUTER IN ACCORDANCE WITH THE EQUATIONS DEFINING THE SECOND ORDER LINEAR DIFFERENTIAL DESCRIBING MECHANICAL VIBRATIONS IN A MECHANICAL VIBRATING SYSTEM, FEEDING THE VOLTAGE SIGNALS FROM EACH OF THE SURFACE POSITIONS TO THE INPUT OF SAID COMPUTER AND FEEDING THE OUTPUT OF SAID COMPUTER TO AN OSCILLOSCOPE TO CAUSE THE SOLUTIONS TO BE REPRESENTED AS A SINUSOIDAL TRACE CURVE WITH THE MAGNITUDE OF FORCES REPRESENTED BY THE AMPLITUDE OF THE CURVE.
References Cited (Backward Citations)
US2331733A
Cited
US2596531A
Cited
US2815666A
Cited
US2711289A
Cited
US2771243A
Cited
US2673031A
Cited
GB745657A
Cited
US2799168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |