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Capacitive measurement device with integrated electrical and mechanical shielding

  • US 10,448,875 B2
  • Filed: 10/15/2015
  • Issued: 10/22/2019
  • Est. Priority Date: 10/15/2015
  • Status: Active Grant
First Claim
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1. A substance measurement device, comprising:

  • a container portion having a sensing portion and a non-sensing portion, the non-sensing portion of the container portion configured to receive a substance from outside of the container portion;

    at least one sensor positioned within the sensing portion of the container portion, the at least one sensor configured for a measurement of a property of the substance within the sensing portion of the container portion, the property related to at least one of a flow rate of the substance into the container portion, a level of the substance within the container portion, or a volume of the substance within the container portion; and

    at least one shield positioned within the container portion between the sensing portion and the non-sensing portion, the sensing portion of the container portion configured to receive the substance from the non-sensing portion of the container portion through a plurality of paths, each of the plurality of paths including a gap, channel, void, or aperture below, around, or through the at least one shield, the at least one shield configured to provide at least one of;

    buffering between the substance entering the non-sensing portion of the container portion and the at least one sensor positioned within the sensing portion of the container portion by controlling flow of the substance from the non-sensing portion of the container portion to the sensing portion of the container portion;

    orshielding between the substance entering the non-sensing portion of the container portion and the at least one sensor positioned within the sensing portion of the container portion to block the at least one sensor from sensing outside of the sensing portion of the container portion.

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