Pumping system and leak detection unit control therefor
First Claim
1. IN A PUMPING SYSTEM HAVING A PRESSURIZED DISCHARGE LINE AND AN ELECTRICAL CONTROL CIRCUIT FOR ACTUATING A PUMPING MEANS TO DISCHARGE FLUID THROUGH THE LINE, A VOLUME SENSITIVE LEAK DETECTOR COMPRISING, A CHAMBER CONNECTED TO THE PRESSURIZED LINE AND HAVING A MEMBER MOVABLY MOUNTED TO RESPOND TO THE VOLUME OF FLUID THEREIN AND HAVING MEANS URGING SAID MEMBER AGAINST THE FORCE OF THE LINE PRESSURE, AND A CONTROL MEANS HAVING A CIRCUIT ENABLING MEANS ADAPTED TO BE CONNECTED IN THE CONTROL CIRCUIT AND OPERABLY ASSOCIATED WITH SAID MEMBER TO DISPOSE THE ENABLING MEANS IN THE ENABLING POSITION WITH A SELECTED AMOUNT OF FLUID WITHIN THE CHAMBER AND TO DISPOSE THE ENABLING MEANS TO A DISABLING POSITION IN RESPONSE TO SELECTED VOLUMETRIC REDUCTION AS A RESULT OF FLUID DISCHARGED FROM SAID CHAMBER WHEREBY SAID CONTROL MEANS IS INSENSITIVE TO PRESSURE CHANGES AND SENSITIVE TO VOLUMETRIC CHANGES TO CONTROL THE PUMPING MEANS.
1 Assignment
0 Petitions
Accused Products
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Citations
1 Claim
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1. IN A PUMPING SYSTEM HAVING A PRESSURIZED DISCHARGE LINE AND AN ELECTRICAL CONTROL CIRCUIT FOR ACTUATING A PUMPING MEANS TO DISCHARGE FLUID THROUGH THE LINE, A VOLUME SENSITIVE LEAK DETECTOR COMPRISING, A CHAMBER CONNECTED TO THE PRESSURIZED LINE AND HAVING A MEMBER MOVABLY MOUNTED TO RESPOND TO THE VOLUME OF FLUID THEREIN AND HAVING MEANS URGING SAID MEMBER AGAINST THE FORCE OF THE LINE PRESSURE, AND A CONTROL MEANS HAVING A CIRCUIT ENABLING MEANS ADAPTED TO BE CONNECTED IN THE CONTROL CIRCUIT AND OPERABLY ASSOCIATED WITH SAID MEMBER TO DISPOSE THE ENABLING MEANS IN THE ENABLING POSITION WITH A SELECTED AMOUNT OF FLUID WITHIN THE CHAMBER AND TO DISPOSE THE ENABLING MEANS TO A DISABLING POSITION IN RESPONSE TO SELECTED VOLUMETRIC REDUCTION AS A RESULT OF FLUID DISCHARGED FROM SAID CHAMBER WHEREBY SAID CONTROL MEANS IS INSENSITIVE TO PRESSURE CHANGES AND SENSITIVE TO VOLUMETRIC CHANGES TO CONTROL THE PUMPING MEANS.
Specification