Hollow valve for internal combustion engines

Details Hollow valve for internal combustion engines Hollow valve for internal combustion engines

1998-08-19

1999-12-28

Yuen, Henry C.

Internal-combustion engines

Valve

Reciprocating valve

1231888, 1231889, F01L 320

Patent

active

060067136

ABSTRACT:
A hollow valve for internal combustion engines, comprising a valve body having a disk, a hollow throat region and a stem component, wherein the valve body is designed in the form a deep-drawn metal part made of austenitic metal. There is a stem end piece welded to the stem component of the valve body and a cover welded to the disk. The valve body, end piece and cover enclose a hollow space extending from the stem end piece into the disk. This valve is considerably lighter in weight than traditional valves, and is capable of lowering the temperature of the valve when the hollow space is filled with a coolant.

REFERENCES:
patent: 4597367 (1986-07-01), Hayashi
patent: 4834036 (1989-05-01), Nishiyama et al.
patent: 5047096 (1991-09-01), Eriksson et al.
patent: 5413073 (1995-05-01), Larson et al.
patent: 5458314 (1995-10-01), Bonesteel
patent: 5823158 (1998-10-01), Heiman, Jr. et al.
patent: 5843246 (1998-12-01), Kim et al.

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