Patent US3280938A successfully refreshed from Google Patents.
US3280938A
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Dynamic detection of unbalanced loading of vibrating coupling plates
Assignee: ExxonMobil Upstream Research Co
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Filing: 1964-03-31
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Granted: 1966-10-25
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Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 Frank N Tullos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:37
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/04; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
APPARATUS FOR DETECTING AN UNBALANCE IN THE COUPLING BETWEEN A VIBRATORY PLATE ADAPTED TO BE SHAKEN BY A VIBRATOR, AND A MEDIUM TO BE SHAKEN BY THE VIBRATOR AND PLATE, COMPRISING: A PLURALITY OF VELOCITY SENSITIVE MEANS CONNECTED TO SAID PLATE AT A PLURALITY OF SPACED-APART LOCATIONS THEREON, ADAPTED TO PRODUCE ELECTRICAL SIGNALS PROPORTIONAL TO THE VELOCITY OF MOVEMENTS OF SAID PLATE IN A GIVEN PLANE; FIRST MEANS CONNECTED TO A SELECTED PAIR OF SAID VELOCITY SENSITIVE MEANS FOR PRODUCING AN OUTPUT SIGNAL HAVING AMPLITUDE INDICATIVE OF THE DIFFERENCE OF THE AMPLITUDES OF THE OUTPUT SIGNALS OF SAID SELECTED PAIR OF VELOCITY SENSITIVE MEANS; SECOND MEANS CONNECTED TO SAID SELECTED PAIR OF VELOCITY SENSITIVE MEANS FOR PRODUCING AN OUTPUT SIGNAL HAVING AMPLITUDE INDICATIVE OF THE SUM OF THE AMPLITUDES OF THE OUTPUT SIGNALS OF SAID SELECTED PAIR OF VELOCITY SENSITIVE MEANS; THIRD MEANS CONNECTED TO SAID FIRST MEANS AND SAID SECOND MEANS FOR PRODUCING AN OUTPUT SIGNAL INDICATIVE OF THE RATIO OF THE AMPLITUDE OF THE OUTPUT SIGNAL OF SAID FIRST MEANS TO THE AMPLITUDE OF THE OUTPUT SIGNAL OF SAID SECOND MEANS; AND
Claim 2
Dependent Claim
184 words
APPARATUS FOR DETECTING AN UNBALANCE IN THE COUPLING BETWEEN A VIBRATORY PLATE ADAPTED TO BE SHAKEN BY A VIBRATOR, AND A MEDIUM TO BE SHAKEN BY THE VIBRATOR AND PLATE, COMPRISING: A PLURALITY OF VELOCITY SENSITIVE MEANS CONNECTED TO SAID PLATE AT A PLURALITY OF SPACED-APART LOCATIONS THEREON, ADAPTED TO PRODUCE ELECTRICAL SIGNALS PROPORTIONAL TO THE VELOCITY OF MOVEMENTS OF SAID PLATE IN A GIVEN PLANE; FIRST MEANS CONNECTED TO A SELECTED PAIR OF SAID VELOCITY SENSITIVE MEANS FOR PRODUCING AN OUTPUT SIGNAL HAVING AMPLITUDE INDICATIVE OF THE DIFFERENCE OF THE AMPLITUDES OF THE OUTPUT SIGNALS OF SAID SELECTED PAIR OF VELOCITY SENSITIVE MEANS; SECOND MEANS CONNECTED TO SAID SELECTED PAIR OF VELOCITY SENSITIVE MEANS FOR PRODUCING AN OUTPUT SIGNAL HAVING AMPLITUDE INDICATIVE OF THE SUM OF THE AMPLITUDES OF THE OUTPUT SIGNALS OF SAID SELECTED PAIR OF VELOCITY SENSITIVE MEANS; THIRD MEANS CONNECTED TO SAID FIRST MEANS AND SAID SECOND MEANS FOR PRODUCING AN OUTPUT SIGNAL INDICATIVE OF THE RATIO OF THE AMPLITUDE OF THE OUTPUT SIGNAL OF SAID FIRST MEANS TO THE AMPLITUDE OF THE OUTPUT SIGNAL OF SAID SECOND MEANS; AND
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |