BILEVEL PRESSURE REGULATING VALVE
First Claim
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1. INA FLUID CONTROL SYSTEM:
- A CONFINED FLUID PATH;
CONTROL VALVE MEANS IN SAID PATH NORMALLY PRECLUDING THE PASSAGE OF FLUID THROUGH;
VALVE ACTUATING MEANS FOR OPERATING SAID CONTROL VALVE MEANS TO PARTIALY OPEN AND FULLY OPEN POSITIONS RESPONSIVE TO RESPECTIVE FIRST AND SECOND PRESSURE ON THE INLET SIDE OF SAID CONTROL VALVE MEANS TO PROVIDE LOW CAPACITY AND HIGH CAPACITY FLUID FLOW THROUGH SAID PATH;
AND PRESSURE REGULATING MEANS FOR SEQUENTIALLY ESTABLISHING SAID FLUID FIRST AND SECOND PRESSURES, SAID PRESSURE REGULATING MEANS INCLUDING A REGULATOR VALVE IN SAID PATH ON THE INLET SIDE OF SAID CONTROL VALVE MEANS AND HAVING A VALVE SEAT AND A MOVABLE VALVE ELEMENT WHICH COOPERATES WITH SAID SEAT, A DIAPHRAGM CONNECTED TO SAID MOVABLE VALVE ELEMENT HAVING ONE SIDE EXPOSED TO THE PRESSURE BETWEEN SAID REGULATING VALVE AND SAID CONTROL VALVE MEANS, SAID DIAPHRAGM AND SAID ELEMENT BEING ARRANGED SUCH THAT THE PRESSURE BETWEEN THE REGULATING VALVE AND THE CONTROL VALVE MEANS URGES SAID ELEMENT TO CLOSE SAID REGULATOR VALVE, MEANS DEFINING A CONTROL CHAMBER HAVING ONE WALL FORMED BY THE OTHER SIDE OF SAID DIAPHRAGM, MEANS DEFINING A RESTRICTED PASSAGEWAY CONNECTING SAID CHAMBER TO THE OUTLET SIDE OF SAID CONTROL VALVE
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1 Claim
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1. INA FLUID CONTROL SYSTEM:
- A CONFINED FLUID PATH;
CONTROL VALVE MEANS IN SAID PATH NORMALLY PRECLUDING THE PASSAGE OF FLUID THROUGH;
VALVE ACTUATING MEANS FOR OPERATING SAID CONTROL VALVE MEANS TO PARTIALY OPEN AND FULLY OPEN POSITIONS RESPONSIVE TO RESPECTIVE FIRST AND SECOND PRESSURE ON THE INLET SIDE OF SAID CONTROL VALVE MEANS TO PROVIDE LOW CAPACITY AND HIGH CAPACITY FLUID FLOW THROUGH SAID PATH;
AND PRESSURE REGULATING MEANS FOR SEQUENTIALLY ESTABLISHING SAID FLUID FIRST AND SECOND PRESSURES, SAID PRESSURE REGULATING MEANS INCLUDING A REGULATOR VALVE IN SAID PATH ON THE INLET SIDE OF SAID CONTROL VALVE MEANS AND HAVING A VALVE SEAT AND A MOVABLE VALVE ELEMENT WHICH COOPERATES WITH SAID SEAT, A DIAPHRAGM CONNECTED TO SAID MOVABLE VALVE ELEMENT HAVING ONE SIDE EXPOSED TO THE PRESSURE BETWEEN SAID REGULATING VALVE AND SAID CONTROL VALVE MEANS, SAID DIAPHRAGM AND SAID ELEMENT BEING ARRANGED SUCH THAT THE PRESSURE BETWEEN THE REGULATING VALVE AND THE CONTROL VALVE MEANS URGES SAID ELEMENT TO CLOSE SAID REGULATOR VALVE, MEANS DEFINING A CONTROL CHAMBER HAVING ONE WALL FORMED BY THE OTHER SIDE OF SAID DIAPHRAGM, MEANS DEFINING A RESTRICTED PASSAGEWAY CONNECTING SAID CHAMBER TO THE OUTLET SIDE OF SAID CONTROL VALVE
- A CONFINED FLUID PATH;
Specification
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Current AssigneeITT Corporation (ITT, Inc.)
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Original AssigneeRay William Alton
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InventorsRAY WILLIAM ALTON
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Application NumberUS04/508,443Time in Patent Office1,216 DaysField of SearchUS Class Current137/614.19CPC Class CodesF15B 11/068 with valves for gradually p...G05D 16/0402 with two or more controller...Y10T 137/7797 Bias variable during operationY10T 137/7801 Balanced valveY10T 137/7825 Rectilinear valve stem rigi...Y10T 137/88046 Biased valve with external ...
