Exhaust gas recirculation valve

Details Exhaust gas recirculation valve Exhaust gas recirculation valve

2011-08-09

2011-08-09

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

Reexamination Certificate

active

07992550

ABSTRACT:
An inner surface of an exhaust gas passage22of an EGR valve11is coated with Teflon coating31and a surface of a valve rod25is coated with a film32of chromium plating.

REFERENCES:
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patent: 2006/0032485 (2006-02-01), Wilson et al.
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patent: 10-231752 (1998-09-01), None
patent: 2002-4953 (2002-01-01), None
patent: 2003-184659 (2003-07-01), None
patent: 2004-100568 (2004-04-01), None
patent: 2006-112419 (2006-04-01), None

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