US3164990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flowmetering
Assignee: Bendix Corp
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Filing: 1962-02-02
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Granted: 1965-01-12
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Expires: 1982-02-02
Abstract
No abstract record available.
Inventors
- 👤 John M Henness
- 👤 Darrell E Newell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:31
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/76; G01F1/56; G01F1/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A FLOWMETERING SYSTEM FOR MEASURING THE MASS RATE OF FLUID FLOW COMPRISING MEANS SENSITIVE TO THE DENSITY OF SAID FLUID AND TO THE MOMENTUM OF SAID FLUID INCLUDING A CAPACITOR WHOSE ELECTRODES ARE IMMERSED IN SAID FLUID AND WHOSE ELECTRODES ARE SUBJECTED TO FLUID MOMENTUM IN A DIRECTION TO DIMINISH ELECTRODE SPACING IN ACCORDANCE WITH FLUID MOMEMTUM FOR PROVIDING A SIGNAL VARIABLE WITH THEIR PRODUCT IN THE FORM OF AN ELECTRICAL REACTANCE; AND MEANS FOR PROVIDING A SIGNAL VARIABLE AS A FUNCTION OF THE SQUARE ROOT OF SAID FIRST MENTIONED SIGNAL COMPRISING AN OSCIALLTOR OF THE TYPE INCLUDING A FREQUENCY DETERMINING NETWORK IN WHICH FREQUENCY IS DETERMINED BY THE SQUARE ROOT OF THE PRODUCT OF INDUCTANCE AND CAPACITANCE IN SAID FREQUENCY DETERMINING NETWORK AND MEANS FOR APPLYING SAID FIRST MENTIONMED SIGNAL TO SAID FREQUENCY DETERMINING NETWORK TO ALTER THE PRODUCT OF ITS INDUCTANCE AND CAPACITANCE.
Claim 2
Dependent Claim
145 words
A FLOWMETERING SYSTEM FOR MEASURING THE MASS RATE OF FLUID FLOW COMPRISING MEANS SENSITIVE TO THE DENSITY OF SAID FLUID AND TO THE MOMENTUM OF SAID FLUID INCLUDING A CAPACITOR WHOSE ELECTRODES ARE IMMERSED IN SAID FLUID AND WHOSE ELECTRODES ARE SUBJECTED TO FLUID MOMENTUM IN A DIRECTION TO DIMINISH ELECTRODE SPACING IN ACCORDANCE WITH FLUID MOMEMTUM FOR PROVIDING A SIGNAL VARIABLE WITH THEIR PRODUCT IN THE FORM OF AN ELECTRICAL REACTANCE; AND MEANS FOR PROVIDING A SIGNAL VARIABLE AS A FUNCTION OF THE SQUARE ROOT OF SAID FIRST MENTIONED SIGNAL COMPRISING AN OSCIALLTOR OF THE TYPE INCLUDING A FREQUENCY DETERMINING NETWORK IN WHICH FREQUENCY IS DETERMINED BY THE SQUARE ROOT OF THE PRODUCT OF INDUCTANCE AND CAPACITANCE IN SAID FREQUENCY DETERMINING NETWORK AND MEANS FOR APPLYING SAID FIRST MENTIONMED SIGNAL TO SAID FREQUENCY DETERMINING NETWORK TO ALTER THE PRODUCT OF ITS INDUCTANCE AND CAPACITANCE.
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) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |