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PNEUMATIC VALVE CONTROL ASSEMBLY

  • US 20100032600A1
  • Filed: 11/09/2007
  • Published: 02/11/2010
  • Est. Priority Date: 11/09/2006
  • Status: Abandoned Application
First Claim
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1. A pneumatic valve control assembly for a sample conditioning system used to condition one or more fluid streams to be analyzed, the pneumatic valve control assembly comprising:

  • a housing being attachable to an enclosure of the sample conditioning system at a first interface;

    at least one electrically operated pneumatic solenoid valve located in the housing, the solenoid valve having an inlet for connection to a source of pressurized air and an outlet connected to a flow passage extending through the first interface whereby pressurized air can be controllably supplied to a respective pneumatically controlled valve located in the enclosure of the sample conditioning system for pneumatically operating the pneumatically controlled valve; and

    electronic circuitry located in the housing, the electronic circuitry including at least one relatively high voltage control circuit for controlling power supplied to the solenoid valve.

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