US3285058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Consistency sensing element
Assignee: De Zurik Corp
•
Filing: 1964-01-28
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Granted: 1966-11-15
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Expires: 1984-01-28
Abstract
No abstract record available.
Inventors
- 👤 Gerald F Ostroot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:00
CPC Classifications
G; G01; G01N; G01N11/00; G01N11/10; G01N11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A SENSING ELEMENT FOR A TORQUE TYPE CONSISTENCY MEASURING DEVICE ADAPTED FOR ROTATION IN A FLUID MEDIUM COMPRISING, IN COMBINATION, A HUB, A THIN CIRCULAR DISC CONCENTRICALLY MOUNTED ON SAID HUB AND HAVING SUBSTANTIALLY SMOOTH OPPOSITE SURFACES, AND A PLURALITY OF SENSOR SEGMENTS CARRIED BY SAID DISC AND DISPOSED SO THAT RESPECTIVE PORTIONS OF SAID SEGMENTS PROJECT EQUALLY FROM SAID OPPOSITE SURFACES, THE EXPOSED AREA OF SAID SURFACES BETWEEN SAID SEGMENTS BEING SUBSTANTIALLY GREATER THAN THE AREA THEREOF OF OCCUPIED BY SAID SEGMENTS WHEREBY SAID DISC SERVES TO HYDRAULICALLY DIVIDE THE RELATIVE FLUID FLOW OVER SAID OPPOSITE SURFACES THEROF AND SAID SEGMENTS SERVE TO CHANGE THE SAID FLUID FLOW AND THE DEVELOPMENT OF THE BOUNDARY LAYER PHENOMENON OVER SAID OPPOSITE SURFACES.
Claim 2
Dependent Claim
121 words
A SENSING ELEMENT FOR A TORQUE TYPE CONSISTENCY MEASURING DEVICE ADAPTED FOR ROTATION IN A FLUID MEDIUM COMPRISING, IN COMBINATION, A HUB, A THIN CIRCULAR DISC CONCENTRICALLY MOUNTED ON SAID HUB AND HAVING SUBSTANTIALLY SMOOTH OPPOSITE SURFACES, AND A PLURALITY OF SENSOR SEGMENTS CARRIED BY SAID DISC AND DISPOSED SO THAT RESPECTIVE PORTIONS OF SAID SEGMENTS PROJECT EQUALLY FROM SAID OPPOSITE SURFACES, THE EXPOSED AREA OF SAID SURFACES BETWEEN SAID SEGMENTS BEING SUBSTANTIALLY GREATER THAN THE AREA THEREOF OF OCCUPIED BY SAID SEGMENTS WHEREBY SAID DISC SERVES TO HYDRAULICALLY DIVIDE THE RELATIVE FLUID FLOW OVER SAID OPPOSITE SURFACES THEROF AND SAID SEGMENTS SERVE TO CHANGE THE SAID FLUID FLOW AND THE DEVELOPMENT OF THE BOUNDARY LAYER PHENOMENON OVER SAID OPPOSITE SURFACES.
References Cited (Backward Citations)
US2076816A
Cited
US3182494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |