US3216252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow rate meters
Assignee: Johnson Controls International Inc
•
Filing: 1962-10-29
•
Granted: 1965-11-09
•
Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 William P Chapman
- 👤 Thomas M Holloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:07
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/06; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7759
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A FLOW RATE METER COMPRISING A ROTATABLY SUPPORTED WHEEL ADAPTED TO BE DRIVEN BY FLUID FLOW AND HAVING A PERIPHERAL PORTION WITH PERIPHERALLY SPACED ELEMENTS, PNEUMATIC ENERGY PULSING MEANS POSITIONED TO BE ACTED ON BY SAID SPACED ELEMENTS OF THE WHEEL WHEREBY THERE IS A PULSE OF PNEUMATIC ENERGY FOR EACH OF SAID SPACED ELEMENTS OF THE WHEEL DURING ROTATION OF THE WHEEL, A PNEUMATIC SYSTEM SEPARATE FROM SAID ENERGY PULSING MEANS AND INCLUDING A MAIN SYSTEM CONDUIT HAVING FLUID WATER PRESSURE THEREIN, MEANS IN SAID SEPARATE PNEUMATIC SYSTEM AND SEPARATE FROM SAID ENERGY PULSING MEANS PROVIDING FOR LEAKAGE FROM SAID SYSTEM AT A PREDETERMINED RATE, MEANS INCLUDING A VALVE IN SAID SEPARATE SYSTEM MOVABLE IN RESPONSE TO ENERGY PULSES FROM SAID PNEUMATIC PULSING MEANS FOR VARYING THE PRESSURE LEVEL IN THE MAIN SYSTEM CONDUIT EACH TIME A PULSE OCCURS WHEREBY THE PRESSURE LEVEL IN THE MAIN SYSTEM CONDUIT IS RESPONSIVE TO THE PULSE RATE, AND A PRESSURE RESPONSIVE INSTRUMENT CONNECTED TO SAID MAIN SYSTEM CONDUIT AND RESPONSIVE TO THE PRESSURE LEVEL THEREIN.
Claim 2
Dependent Claim
173 words
A FLOW RATE METER COMPRISING A ROTATABLY SUPPORTED WHEEL ADAPTED TO BE DRIVEN BY FLUID FLOW AND HAVING A PERIPHERAL PORTION WITH PERIPHERALLY SPACED ELEMENTS, PNEUMATIC ENERGY PULSING MEANS POSITIONED TO BE ACTED ON BY SAID SPACED ELEMENTS OF THE WHEEL WHEREBY THERE IS A PULSE OF PNEUMATIC ENERGY FOR EACH OF SAID SPACED ELEMENTS OF THE WHEEL DURING ROTATION OF THE WHEEL, A PNEUMATIC SYSTEM SEPARATE FROM SAID ENERGY PULSING MEANS AND INCLUDING A MAIN SYSTEM CONDUIT HAVING FLUID WATER PRESSURE THEREIN, MEANS IN SAID SEPARATE PNEUMATIC SYSTEM AND SEPARATE FROM SAID ENERGY PULSING MEANS PROVIDING FOR LEAKAGE FROM SAID SYSTEM AT A PREDETERMINED RATE, MEANS INCLUDING A VALVE IN SAID SEPARATE SYSTEM MOVABLE IN RESPONSE TO ENERGY PULSES FROM SAID PNEUMATIC PULSING MEANS FOR VARYING THE PRESSURE LEVEL IN THE MAIN SYSTEM CONDUIT EACH TIME A PULSE OCCURS WHEREBY THE PRESSURE LEVEL IN THE MAIN SYSTEM CONDUIT IS RESPONSIVE TO THE PULSE RATE, AND A PRESSURE RESPONSIVE INSTRUMENT CONNECTED TO SAID MAIN SYSTEM CONDUIT AND RESPONSIVE TO THE PRESSURE LEVEL THEREIN.
References Cited (Backward Citations)
US1305803A
Cited
US2473542A
Cited
US2623389A
Cited
US2642075A
Cited
US2884940A
Cited
CH328482A
Cited
US2962895A
Cited
US2982902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |