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Air seeder blockage monitoring system

  • US 5,831,539 A
  • Filed: 10/22/1997
  • Issued: 11/03/1998
  • Est. Priority Date: 05/14/1997
  • Status: Expired due to Fees
First Claim
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1. A particle blockage sensor system comprising:

  • a particle flow path having a cross-sectional area;

    a piezoelectric sensor element having a flexible surface; and

    ,means to support and align the flexible surface of said piezoelectric sensor element in the particle flow path, to thereby cause a number of particles flowing in the particle path to impact said piezoelectric sensor element.

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  • 2 Assignments
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