Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent
1986-03-31
1987-08-25
Lazarus, Ira S.
Internal-combustion engines
Valve
Valve head cooperates with manifold
123188S, 123188GC, 123188VA, F01L 302
Patent
active
046885277
ABSTRACT:
For inclusion within a cast metal cylinder head for an internal combustion engine, a ceramic valve seating and stem supporting integral device for supporting and sealingly interacting with a conventional engine poppet-type valve. The integral valve seating portion has an annularly shaped valve seat defining a circular configuration for sealing engagement with the poppet-type valve. The valve supporting portion is of tubular configuration. Also included are connecting ceramic portions between the valve seat forming portion and the valve stem supporting portion. The device is integrally cast together to form a unit for subsequent inclusion within the metal cylinder head of the internal combustion engine by casting. Resultantly, the axis of the tubular valve support portion ispositioned normal to the plane of the annular valve seat and its circular valve seat surface and with the axis of the tubular support portion being coaxially aligned with the axis of the valve seat portion.
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Mott Donald H.
Schmidt Howard
Chrysler Motors Corporation
Lazarus Ira S.
MacLean, Jr. Kenneth H.
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