Mushroom valve with forced fluid cooling, in particular for an i

Details Mushroom valve with forced fluid cooling, in particular for an i Mushroom valve with forced fluid cooling, in particular for an i

1979-09-25

1981-04-21

Cox, Ronald B.

Internal-combustion engines

Cooling

Internal cooling of moving parts; e.g., hollow valves,...

137340, F02P 108

Patent

active

042626382

ABSTRACT:
A valve, in particular for an internal combustion engine, of the mushroom type cooled by forced circulation of a cooling fluid, comprising a valve stem having at least two longitudinal cooling passage-ways and a valve head being provided with a substantially peripheral cooling passage-way extending in a substantially parallel plane to the lower plane surface of the head and with at least two substantially radial passage-ways connecting the said longitudinal passage-ways to the said peripheral passage-way, wherein said passage-ways provided in the said valve head are constituted by rectilinear passage-way lengths extending from the periphery of said head and opening outwardly, said peripheral passage-way being in the shape of a polygon, and said rectilinear passage-ways are obturated at their outward opening.

REFERENCES:
patent: 2819704 (1958-01-01), Niederman
patent: 4147138 (1979-04-01), Haug

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