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Ultra low pressure drop flow sensor

  • US 20070193368A1
  • Filed: 02/17/2006
  • Published: 08/23/2007
  • Est. Priority Date: 02/17/2006
  • Status: Active Grant
First Claim
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1. A fluid velocity sensor apparatus, comprising:

  • a sensor die for detecting a fluid property of a fluid flowing through a low resistance flow channel defined by a flow channel wall; and

    at least one tap facing into a direction of a flow stream of a fluid flowing through a flow channel defined by a flow channel wall, wherein said at least one tap leads to said low resistance flow channel, which directs said flow of fluid to said sensor die, such that said fluid after passing over said sensor die continues on a low resistance path to at least one other tap that faces perpendicular to said direction of flow in order to determine a velocity pressure based on a difference between a pressure identified by said at least one tap and a pressure identified by said at least one other tap.

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