Cylinder head

Details Cylinder head Cylinder head

1975-12-02

1977-09-27

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

123191A, 123193H, F01N 708

Patent

active

040502449

ABSTRACT:
A cylinder head including a tubular port liner made of a heat resistant metal, with an annular space interposed between the liner and the wall of a cavity in the cylinder head, whereby the heat to be transmitted from exhaust gases to the cylinder head is insulated by the annular space defined between the port liner and the wall of a cavity in the cylinder head. This tubular port liner is secured or embedded into the cylinder head itself at its one end on the side of a combustion chamber according to the so-called "insert" casting technique and flared at the other end on the side of an exhaust pipe so as to provide an intimate contact between the wall of a cavity in the cylinder head and the liner. The tubular port liner is formed on its lower part with a built-up, beaded portion which is fitted in a corresponding concave portion in the wall of the cavity in the cylinder head for preventing shifting of the liner due to thermal expansion or contraction.

REFERENCES:
patent: 2225807 (1940-12-01), Towler
patent: 3559401 (1971-02-01), Takahashi
patent: 3577727 (1971-05-01), Warren
patent: 3902853 (1975-09-01), Marsee
patent: 3916850 (1975-11-01), Date
patent: 3983696 (1976-10-01), Pflugfelder

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