US3115777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass flowmeter
Assignee: Fischer and Porter Co
•
Filing: 1958-10-21
•
Granted: 1963-12-31
•
Expires: 1978-10-21
Abstract
No abstract record available.
Inventors
- 👤 Harry M Hochreiter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:44
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/76; G01F1/86; G01F1/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A MASS FLOWMETER COMPRISING MEANS PROVIDING A CONDUIT FOR FLUID FLOW, A MEMBER WITHIN SAID CONDUIT SUBJECT TO IMPACT OF THE FLUID AND SHAPED TO PROVIDE A FORCE ON SAID MEMBER SUBSTANTIALLY PROPORTIONAL TO $Q2, MEANS MEASURING SAID FORCE ON SAID MEMBER TO PROVIDE A FIRST OUTPUT SUBSTANTIALLY PROPORTIONAL TO SAID $Q2, WHEREIN $ IS THE DENSITY OF FLUID FLOWING THROUGH SAID CONDUIT AND Q IS THE VOLUMETRIC FLOW RATE THROUGH SAID CONDUIT, MEANS PROVIDING A SECOND OUTPUT SUBSTANTIALLY PROPORTIONAL TO Q, AND MEANS RECEIVING SAID OUTPUTS AND PROVIDING AN INDICATION OF THE QUOTIENT OF THE VALUE OF THE FIRST OUTPUT BY THE VALUE OF THE SECOND OUTPUT, SAID MEANS PROVIDING THE SECOND OUTPUT COMPRISING AN ASSEMBLY INCLUDING A ROTOR DRIVEN BY THE FLOW AND A BEARING MOUNT FOR THE ROTOR MOUNTED IN THE CONDUIT TO PROVIDE AN ANNULAR PASSAGE FOR THE FLUID FLOW, AND MEANS MOUNTING SAID MEMBER CONCENTRICALLY WITH SAID ASSEMBLY AND CLOSELY ADJACENT THERETO AND IN ADVANCE THEREOF.
Claim 2
Dependent Claim
161 words
A MASS FLOWMETER COMPRISING MEANS PROVIDING A CONDUIT FOR FLUID FLOW, A MEMBER WITHIN SAID CONDUIT SUBJECT TO IMPACT OF THE FLUID AND SHAPED TO PROVIDE A FORCE ON SAID MEMBER SUBSTANTIALLY PROPORTIONAL TO $Q2, MEANS MEASURING SAID FORCE ON SAID MEMBER TO PROVIDE A FIRST OUTPUT SUBSTANTIALLY PROPORTIONAL TO SAID $Q2, WHEREIN $ IS THE DENSITY OF FLUID FLOWING THROUGH SAID CONDUIT AND Q IS THE VOLUMETRIC FLOW RATE THROUGH SAID CONDUIT, MEANS PROVIDING A SECOND OUTPUT SUBSTANTIALLY PROPORTIONAL TO Q, AND MEANS RECEIVING SAID OUTPUTS AND PROVIDING AN INDICATION OF THE QUOTIENT OF THE VALUE OF THE FIRST OUTPUT BY THE VALUE OF THE SECOND OUTPUT, SAID MEANS PROVIDING THE SECOND OUTPUT COMPRISING AN ASSEMBLY INCLUDING A ROTOR DRIVEN BY THE FLOW AND A BEARING MOUNT FOR THE ROTOR MOUNTED IN THE CONDUIT TO PROVIDE AN ANNULAR PASSAGE FOR THE FLUID FLOW, AND MEANS MOUNTING SAID MEMBER CONCENTRICALLY WITH SAID ASSEMBLY AND CLOSELY ADJACENT THERETO AND IN ADVANCE THEREOF.
References Cited (Backward Citations)
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |