Manifold-mounted emission control valve

Details Manifold-mounted emission control valve Manifold-mounted emission control valve

1998-02-25

2000-06-13

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

12318421, 12318461, F02M 2507

Patent

active

060736178

ABSTRACT:
An internal combustion engine intake manifold has a wall separating internal manifold space from an external space. An EGR valve for recirculating engine exhaust gases mounts on the wall such that an EGR outlet port of the EGR valve is communicated to the internal manifold space. Various embodiments of mounts for closing valve mounting holes in the manifold wall are disclosed.

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Bauhof, Michael J. et al, "Design Of an EGR Interface For Thermoplastic Intake Manifolds", SAE Technical Paper Series. International Congress and Exposition, Detroit, Michigan; Mar. 1-5, 1993, vol. 930086.

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