Coated valve for internal combustion engine

Details Coated valve for internal combustion engine Coated valve for internal combustion engine

1988-06-03

1989-03-14

Cross, E. Rollins

Internal-combustion engines

Valve

Valve head cooperates with manifold

4273765, F01L 300

Patent

active

048117013

ABSTRACT:
A coated valve, in particular an inlet valve for internal combustion engines, is provided, which is provided with a deposit preventing layer containing cerium (IV) oxide. A process for coating a valve with the deposit preventing layer containing cerium (IV) oxide is also provided.

REFERENCES:
patent: 427721 (1984-01-01), Cairns
patent: 4362134 (1982-12-01), Worthen
patent: 4612880 (1986-09-01), Brass et al.

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