Valve guidance for an exhaust gas valve of an internal combustio

Internal-combustion engines – Valve – Valve head cooperates with manifold

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291567R, F01L 308

Patent

active

047981814

ABSTRACT:
A valve guidance for an exhaust gas valve in the form of a disk valve of an internal combustion engine which is used for the control of an exhaust gas channel of an internal combustion engine; a guide body with good heat-conducting and sliding properties serves as valve guidance. The guide body is coated at the inlet place of the valve stem either with a hard metal coating applied by plasma-spray process or with a hard metal sleeve.

REFERENCES:
patent: 2032162 (1936-02-01), Zahodiakin
patent: 3728994 (1973-04-01), Bachle
patent: 4465040 (1984-08-01), Pelizzoni

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