Valve cover assembly for internal combustion engines

Details Valve cover assembly for internal combustion engines Valve cover assembly for internal combustion engines

1993-07-12

1994-02-15

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123 4186, 123195C, 123573, 123196M, F01M 910

Patent

active

052857549

ABSTRACT:
A one-piece valve cover product for use on an internal combustion engine having an engine cylinder head, said cover product including dome-like upper portion which acts as a cover over the cylinder head area of the engine, a peripheral flange portion adapted for sealing engagement to the cylinder head, a plurality of apertures through said flange portion through which a plurality of fasteners can be inserted to secure said cover product in sealing engagement to the cylinder head, said valve cover including in an upper portion thereof a molded or cast conduit passageway member formed as part of the valve cover itself, said passageway member extending inside the cover and being adapted to receive an air/oil vapor mixture associated with operation of the engine and to condense oil out of said air/oil mixture, at least one or more apertures located in a lower part of that passageway member to permit the oil droplets which are condensed, to drain back into the engine, and wherein said valve cover is formed from a high-temperature resistant molding or castable material.

REFERENCES:
patent: 4569323 (1986-02-01), Okumura
patent: 4602595 (1986-07-01), Aoki et al.
patent: 4790287 (1988-12-01), Sakurai et al.
patent: 4958613 (1990-09-01), Hiraoka et al.
patent: 4969434 (1990-11-01), Nakagawa
patent: 4993375 (1991-02-01), Akihiko
patent: 5058542 (1991-10-01), Grayson et al.
patent: 5129371 (1992-07-01), Rosalik, Jr.

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