Connection system for exhaust gas recirculation (EGR)

Details Connection system for exhaust gas recirculation (EGR) Connection system for exhaust gas recirculation (EGR)

2005-11-29

2005-11-29

Wolfe, Jr., Willis R. (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C285S261000

Reexamination Certificate

active

06968832

ABSTRACT:
A connection system for exhaust gas recirculation (EGR) in a diesel engine has an EGR conduit, an exhaust manifold, and a sealing strand. The EGR conduit forms a first surface surrounding an inlet. The exhaust manifold forms a second surface surrounding an outlet. The sealing strand is disposed in a groove formed by one of the first and second surfaces. The groove has an inside surface. The first and second surfaces are pressed together to form a first seal. One of the first and second surfaces compresses the sealing strand against the inside surface to form a second seal. One of the first and second surfaces may be a convex surface. The other surface may be a concave surface.

REFERENCES:
patent: 5425347 (1995-06-01), Zinke, II
patent: 5492104 (1996-02-01), Elder et al.
patent: 5779282 (1998-07-01), Ezze
patent: 6880863 (2005-04-01), Vila

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