Patent US3277709A successfully refreshed from Google Patents.
US3277709A
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Velocity flowmeters
Assignee: Individual
•
Filing: 1965-09-27
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Granted: 1966-10-11
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Anatole J Sipin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:56
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; G01F1/115; G01F1/12; G01F1/125
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
A VELOCITY FLOWMETER INCLUDING AN AXIAL FLOW TURBINE HAVING A HOUSING, A ROTOR WITH BLADES PITCHED WITH RESPECT TO THE FLOW AXIS, TRANSLATING ALONG THE AXIS WITH RESPECT TO THE HOUSING WHEN THE FLUID CHANGES VELOCITY; MEANS FOR NULLING THE AXIAL FORCE TO THE FLOWING FLUID ON THE BLADES INCLUDING MEANS HAVING A REFERENCE WITH A PART FIXED WITH RESPECT TO THE AXIS AND A PATH FIXED TO THE ROTOR FOR PROVIDING AN ELECTRICAL OUTPUT DEPENDING ON THE SENSE AND MAGNITUDE OF THE DISPLACEMENT OF THE PARTS, AND AN ELECTRIC MOTOR MOUNTED ON THE HOUSING AND OPERATIVELY CONNECTED TO THE ROTOR FOR CHANGING THE ROTATIONAL SPEED OF THE ROTOR IN ACCORDANCE WITH THE OUTPUT OF THE ELECTRICAL OUTPUT MEANS.
References Cited (Backward Citations)
US1467565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |