Ball joint seal for vehicle exhaust system
US5374086A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1992 |
| Grant date | Dec 20, 1994 |
| Priority date | — |
| Expiry date | Jul 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.