×

Ram-air sample collection device for a chemical warfare agent sensor

  • US 6,442,997 B1
  • Filed: 10/01/2001
  • Issued: 09/03/2002
  • Est. Priority Date: 10/01/2001
  • Status: Expired due to Term
First Claim
Patent Images

1. In a surface acoustic wave sensor mounted within a body, said sensor having a surface acoustic wave array detector and a micro-fabricated sample preconcentrator exposed on a surface of said body, an apparatus for collecting air for said sensor, comprising:

  • a housing operatively arranged to mount atop said body, said housing including a passageway having an inlet and an outlet, said passageway having a first section of a first cross-sectional area proximate said inlet, a second section of a second cross-sectional area proximate said first section, a third section of a third cross-sectional area proximate said second section, and a fourth section of a fourth cross-sectional area proximate said outlet, where said third cross-sectional area is less than said second cross-sectional area, and said first and fourth cross-sectional areas are each larger than said second cross-sectional area.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×