Patent · US Expired

Ball joint seal for vehicle exhaust system

US5374086A · kind A · utility

12Cited by
42References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 29, 1992
Grant dateDec 20, 1994
Priority date
Expiry dateJul 29, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S285/917
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A seal for the articulating ball joint of a vehicle exhaust system to prevent exhaust leakage. Vehicle exhaust systems include several connected sections to direct exhaust from the engine through the catalytic converter and out the tail pipe. At least one articulating ball joint is included to compensate for vibrational movement between the engine and the exhaust system. The joint seal of the present invention incorporate a bi-metal body with a first end secured to a portion of the clamp assembly and a second end which seals the gap between the members of the ball joint to prevent exhaust leakage therebetween.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.