US2560948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential pressure metering
Assignee: —
•
Filing: —
•
Granted: 1951-07-17
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Expires: 1968-07-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:56
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
A DIFFERENTIAL PRESSURE REGULATING VALVE METERING SYSTEM COMPRISING A SUPPLY CONDUIT ADAPTED TO BE CONNECTED TO A SOURCE OF FLUID UNDER PRESSURE; A DIFFERENTIAL PRESSURE REGULATING VALVE IN SAID SUPPLY CONDUIT; AN ORIFICE METERING DEVICE IN SAID SUPPLY CONDUIT BETWEEN SAID SOURCE OF FLUID AND SAID REGULATING VALVE; A MAIN CONTROL VALVE IN SAID SUPPLY CONDUIT BETWEEN SAID SOURCE OF FLUID AND SAID ORIFICE METERING DEVICE; AND AN OUTLET CONDUIT ON THE DOWNSTREAM SIDE OF SAID REGULATING VALVE; SAID DIFFERENTIAL PRESSURE REGULATING VALVE HAVING A DIFFERENTIAL PRESSURE RESPONSIVE ELEMENT ONE SIDE OF WHICH IS CONNECTED TO RECEIVE PRESSURE FLUID FROM SAID SUPPLY CONDUIT BETWEEN SAID SOURCE OF FLUID AND SAID MAIN REGULATING VALVE, AND THE OTHER SIDE OF WHICH IS CONNECTED TO RECEIVE PRESSURE FLUID FROM SAID SUPPLY CONDUIT BETWEEN SAID ORIFICE METERING DEVICE AND SAID REGULATING VELVE ITSELF AND BEING PROVIDED FURTHER WITH RESILIENT MEANS AIDING THE PRESSURE FLUID ACTING ON SAID OTHER SIDE, SAID PRESSURE RESPONSIVE ELEMENT BEING CONNECTED TO MOVE THE REGULATING VALVE TOWARD ITS CLOSED POSITION IN RESPONSE TO INCREASED PRESSURE FLUID ON THE FIRST NAMED SIDE, AND TOWARD ITS OPEN POSITION IN RESPONSE TO INCREASED PRESSURE FLUID ON THE SAID OTHER SIDE.
Claim 2
Dependent Claim
197 words
A DIFFERENTIAL PRESSURE REGULATING VALVE METERING SYSTEM COMPRISING A SUPPLY CONDUIT ADAPTED TO BE CONNECTED TO A SOURCE OF FLUID UNDER PRESSURE; A DIFFERENTIAL PRESSURE REGULATING VALVE IN SAID SUPPLY CONDUIT; AN ORIFICE METERING DEVICE IN SAID SUPPLY CONDUIT BETWEEN SAID SOURCE OF FLUID AND SAID REGULATING VALVE; A MAIN CONTROL VALVE IN SAID SUPPLY CONDUIT BETWEEN SAID SOURCE OF FLUID AND SAID ORIFICE METERING DEVICE; AND AN OUTLET CONDUIT ON THE DOWNSTREAM SIDE OF SAID REGULATING VALVE; SAID DIFFERENTIAL PRESSURE REGULATING VALVE HAVING A DIFFERENTIAL PRESSURE RESPONSIVE ELEMENT ONE SIDE OF WHICH IS CONNECTED TO RECEIVE PRESSURE FLUID FROM SAID SUPPLY CONDUIT BETWEEN SAID SOURCE OF FLUID AND SAID MAIN REGULATING VALVE, AND THE OTHER SIDE OF WHICH IS CONNECTED TO RECEIVE PRESSURE FLUID FROM SAID SUPPLY CONDUIT BETWEEN SAID ORIFICE METERING DEVICE AND SAID REGULATING VELVE ITSELF AND BEING PROVIDED FURTHER WITH RESILIENT MEANS AIDING THE PRESSURE FLUID ACTING ON SAID OTHER SIDE, SAID PRESSURE RESPONSIVE ELEMENT BEING CONNECTED TO MOVE THE REGULATING VALVE TOWARD ITS CLOSED POSITION IN RESPONSE TO INCREASED PRESSURE FLUID ON THE FIRST NAMED SIDE, AND TOWARD ITS OPEN POSITION IN RESPONSE TO INCREASED PRESSURE FLUID ON THE SAID OTHER SIDE.
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) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |