The patent is for a method of quantitatively determining leaks in any constant mass input fluid flow system such as an automobile engine exhaust system, by measuring the pressure drops across a pair of different sized orifices interchangeably connected in a flowmeter, at the tailpipe exit of the exhaust system.

  • Supplemental Notes:
    • Supersedes PB-224 839. Government-owned invention available for licensing. Copy of patent available Commissioner of Patents, Washington, D.C. 20231 $0.50.
  • Corporate Authors:

    Department of Transportation

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Authors:
    • Klaubert, E C
    • Lavery, A L
    • Broderick, A J
  • Publication Date: 0

Media Info

  • Pagination: 7 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00094791
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: PAT-APPL-372-749
  • Files: TRIS, USDOT
  • Created Date: May 14 1976 12:00AM