AUTOMOTIVE EXHAUST SYSTEM LEAK TEST

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

• TRT Terms: Automotive engineering; Detectors; Emission control systems; Exhaust gases; Exhaust pipes; Flowmeters; Leakage; Measurement; Patents; Pressure
• Old TRIS Terms: Pressure drop; Pressure reduction
• Subject Areas: Highways; Safety and Human Factors; Vehicles and Equipment;

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