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Fluid quality sensor and cover assembly

  • US 9,804,004 B1
  • Filed: 05/13/2016
  • Issued: 10/31/2017
  • Est. Priority Date: 05/13/2016
  • Status: Active Grant
First Claim
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1. A sensor assembly for detecting a concentration of a fluid, comprising:

  • a sensing unit including a transmitter configured to transmit a signal into a sensing volume and a receiver configured to receive the signal after the signal passes through a portion of the sensing volume;

    a cover assembly at least partially enclosing the sensing volume and being substantially impermeable to a gas portion of the fluid, the cover assembly including apertures defined therein which are permeable to the gas portion of the fluid;

    wherein, a first plurality of apertures are defined along a top surface of the cover assembly;

    wherein, the cover assembly includes a first open end and a second open end, the transmitter disposed at the first open end and the receiver disposed at the second open end.

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