Cooled integral valve chest for an internal combustion engine an

Details Cooled integral valve chest for an internal combustion engine an Cooled integral valve chest for an internal combustion engine an

1975-01-13

1977-02-22

Myhre, Charles J.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123 4141, 123188GC, 123 4185, F01P 312

Patent

active

040086950

ABSTRACT:
An integrally moulded overhead valve chest for an internal combustion engine, comprising a cage having several arms and formed with an annular valve seat cooling chamber and a valve stem guide formed with an annular guide cooling chamber which communicates with said seat cooling chamber through at least one duct formed within one arm, wherein the improvement consists in at least one hole extending through the radially outer wall of one of said cooling chambers and stopped or closed off by a welded or brazed plug.

REFERENCES:
patent: 2967518 (1961-01-01), Zuhn
patent: 3353522 (1967-11-01), Ley

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