Exhaust valve for a reciprocating internal combustion engine

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

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123 4177, 01L 300, 01P 314, 123

Patent

active

041471490

ABSTRACT:
The exhaust valve is provided with an air gap which extends axially of a sleeve-like member to which the hot exhaust gases from the combustion chamber passes. The air gap serves to impede heat exchange between the coolant which cools the valve seat surface of the sleeve-like member and the hot gases passing over the inner surface of the sleeve-like member.

REFERENCES:
patent: 1659676 (1928-02-01), Vincent
patent: 2517114 (1950-08-01), Karcher et al.
patent: 4028887 (1977-06-01), Tsutsunmi
patent: 4031699 (1977-06-01), Suga et al.
patent: 4034723 (1977-07-01), Hamparian
patent: 4046114 (1977-09-01), Hamparian
patent: 4069667 (1978-01-01), Date et al.

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