Patent US6306914B1 successfully refreshed from Google Patents.
US3175395A
Expired / Lapsed
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Apparatus for sensing and measuring fluid turbulence
Assignee: Aerojet Rocketdyne Inc
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Filing: 1960-11-15
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Granted: 1965-03-30
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Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 John V Atanasoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:36
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A TURBULENCE METER COMPRISING A SUPPORT MEANS, A REVERSELY ROTATIVE IMPELLER CARRIED THEREBY AND HAVING BLADES DISPSED TO BE FREELY AND EXTERNALLY EXPOSED IN RADIAL AND AXIAL DIRECTIONS TO A SURROUNDING FLUID MEDIUM THE TURBULENCE OF WHICH IS TO BE MEASURED, SIGNAL MEANS CONNECTED TO SAID IMPELLER OPERATIVE TO EFFECT SIGNALS RESPONSIVE TO ROTATION OF SAID IMPELLER IN EITHER DIRECTION. AND RESILIENT MEANS CONNECTED TO SAID IMPELLER OPERATIVE TO YIELDINGLY RESIST ROTATION THEREOF IN EITHER DIRECTION, SAID SUPPORT MEANS CARRYING SAID IMPELLER FOR MOVEMENT IN A PREDETERMINED PATH THROUGH SAID FLUID MEDIUM WHEREBY SAID IMPELLER IS SUBJECTED FROM ALL SIDES TO TURBULENT FORCES OF SAID MEDIUM.
Claim 2
Dependent Claim
106 words
A TURBULENCE METER COMPRISING A SUPPORT MEANS, A REVERSELY ROTATIVE IMPELLER CARRIED THEREBY AND HAVING BLADES DISPSED TO BE FREELY AND EXTERNALLY EXPOSED IN RADIAL AND AXIAL DIRECTIONS TO A SURROUNDING FLUID MEDIUM THE TURBULENCE OF WHICH IS TO BE MEASURED, SIGNAL MEANS CONNECTED TO SAID IMPELLER OPERATIVE TO EFFECT SIGNALS RESPONSIVE TO ROTATION OF SAID IMPELLER IN EITHER DIRECTION. AND RESILIENT MEANS CONNECTED TO SAID IMPELLER OPERATIVE TO YIELDINGLY RESIST ROTATION THEREOF IN EITHER DIRECTION, SAID SUPPORT MEANS CARRYING SAID IMPELLER FOR MOVEMENT IN A PREDETERMINED PATH THROUGH SAID FLUID MEDIUM WHEREBY SAID IMPELLER IS SUBJECTED FROM ALL SIDES TO TURBULENT FORCES OF SAID MEDIUM.
References Cited (Backward Citations)
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US2714310A
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US2800794A
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |