US3122015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring vibration of heat exchanger tubes
Assignee: Individual
•
Filing: 1960-10-28
•
Granted: 1964-02-25
•
Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Bernard I Shapiro
- 👤 Raymond F Misialek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:19
CPC Classifications
G; G01; G01H; G01H1/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
153 words
APPARATUS FOR MEASURING TUBE VIBRATION WHICH COMPRISES A UNIT FORMED OF A PAIR OF GENERALLY SIMILAR CYLINDRICALLY SHAPED ELEMENTS ARRANGED WITHIN A TUBE IN TANDEM WITH THEIR LONGITUDINAL AXES NORMAL TO EACH OTHER AND THEIR OUTER PERIPHERAL WALLS SECURED TOGETHER, EACH ELEMENT HAVING ITS OUTER PERIPHERAL WALL IN CONTACT WITH THE INNER WALL OF THE TUBE AND A VIBRATION PICK-UP DEVICE SECURED TO THE INNER WALL OF THE ELEMENT PERPENDICULAR TO BOTH THE AXIS OF THE ELEMENT AND TO THE AXIS OF THE TUBE, EACH OF THE PICK-UP DEVICES BEING CAPABLE OF DEVELOPING AN ELECTRICAL OUTPUT AS VIRBRATIONS ARE TRANSMITTED THERETO, A FIRST CONDUCTOR CONNECTED TO ONE PICK-UP DEVICE PERMITTING THE UNIT TO BE MOVED THROUGH THE TUBE IN ONE DIRECTION, A SECOND CONDUCTOR CONNECTED TO THE OTHER PICK-UP DEVICE PERMITTING THE UNIT TO BE MOVED THROUGH THE TUBE IN THE OTHER DIRECTION AND VIBRATION RECORDING MEANS CONNECTED TO EACH OF SAID CONDUCTORS.
References Cited (Backward Citations)
US2604181A
Cited
US2982942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |