Instrument for measuring carbon monoxide in oxygen bearing atmosphere
First Claim
1. AN APPARATUS FOR MEASURING THE CARBON MONOXIDE CONCENTRATION IN A CARBON MONOXIDE AIR ATMOSPHERE COMPRISING A CASE, INTAKE AND OUTLET CONDUITS IN SAID CASE, AN ELONGATED HEAT EXCHANGER CONDUIT CONNECTED TO SAID INTAKE CONDUIT, A PAIR OF BRANCH CONDUITS CONNECTED AT ONE END TO SAID HEAT EXCHANGER CONDUIT AND TO SAID OUTLET AT THE OTHER END, A CATALYST FOR CONVERTING CARBON MONOXIDE TO CARBON DIOXIDE IN ONE BRANCH CONDUIT, AN AGENT FOR ADSORBING CARBON DIOXIDE IN THE OTHER BRANCH CONDUIT, A WHEATSTONE BRIDGE CIRCUIT OF RESISTORS, THE HOT RESISTORS OF WHICH ARE POSITIONED IN THE BRANCH CONDUIT ASSOCIATED WITH THE CATALYST, THE COLD RESISTORS OF WHICH ARE POSITIONED IN THE BRANCH CONDUIT ASSOCIATED WITH THE ADSORPTIVE AGENT, MEANS EXTERNAL TO SAID HEAT EXCHANGER FOR MAINTAINING THE TEMPERATURE OF SAID BRANCH CONDUITS AND HEAT EXCHANGER PRIOR TO INDUCTION OF CARBON MONOXIDE INTO SAID APPARATUS AT A UNIFORM VALUE GREATER THAN AMBIENT TEMPERATURE, AND INDICATING MEANS MOUNTED ON SAID CASE FOR MEASURING THE UNBALANCE OF RESISTANCE IN SAID WHEATSTONE BRIDGE CIRCUIT, THE OUTLET END OF EACH BRANCH CONDUIT HAVING A REMOVABLE RESTRICTION ORIFICE THEREIN WHEREBY THE FLOW THROUGH SAID BRANCH CONDUITS MAY BE EQUALIZED.
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Accused Products
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Citations
1 Claim
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1. AN APPARATUS FOR MEASURING THE CARBON MONOXIDE CONCENTRATION IN A CARBON MONOXIDE AIR ATMOSPHERE COMPRISING A CASE, INTAKE AND OUTLET CONDUITS IN SAID CASE, AN ELONGATED HEAT EXCHANGER CONDUIT CONNECTED TO SAID INTAKE CONDUIT, A PAIR OF BRANCH CONDUITS CONNECTED AT ONE END TO SAID HEAT EXCHANGER CONDUIT AND TO SAID OUTLET AT THE OTHER END, A CATALYST FOR CONVERTING CARBON MONOXIDE TO CARBON DIOXIDE IN ONE BRANCH CONDUIT, AN AGENT FOR ADSORBING CARBON DIOXIDE IN THE OTHER BRANCH CONDUIT, A WHEATSTONE BRIDGE CIRCUIT OF RESISTORS, THE HOT RESISTORS OF WHICH ARE POSITIONED IN THE BRANCH CONDUIT ASSOCIATED WITH THE CATALYST, THE COLD RESISTORS OF WHICH ARE POSITIONED IN THE BRANCH CONDUIT ASSOCIATED WITH THE ADSORPTIVE AGENT, MEANS EXTERNAL TO SAID HEAT EXCHANGER FOR MAINTAINING THE TEMPERATURE OF SAID BRANCH CONDUITS AND HEAT EXCHANGER PRIOR TO INDUCTION OF CARBON MONOXIDE INTO SAID APPARATUS AT A UNIFORM VALUE GREATER THAN AMBIENT TEMPERATURE, AND INDICATING MEANS MOUNTED ON SAID CASE FOR MEASURING THE UNBALANCE OF RESISTANCE IN SAID WHEATSTONE BRIDGE CIRCUIT, THE OUTLET END OF EACH BRANCH CONDUIT HAVING A REMOVABLE RESTRICTION ORIFICE THEREIN WHEREBY THE FLOW THROUGH SAID BRANCH CONDUITS MAY BE EQUALIZED.
Specification
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Current AssigneeRobert H. Cherry
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Original AssigneeRobert H. Cherry
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InventorsCherry, Robert H.
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Application NumberUS03/189,467Time in Patent Office2,023 DaysField of SearchUS Class Current422/93CPC Class CodesG01N 27/16 caused by burning or cataly...
