Internal-combustion engines – Cooling – With jacketed head and/or cylinder
Patent
1994-09-01
1995-11-28
Kamen, Noah P.
Internal-combustion engines
Cooling
With jacketed head and/or cylinder
1651091, 165154, F02F 114
Patent
active
054698170
ABSTRACT:
A turbulator for a liner cooling jacket includes a metal panel which is suitable to be coiled into a generally cylindrical shape so as to be placed in a relief area between an engine cylinder block and a cylinder liner. The relief area may be machined into either the block or the cylinder liner and the metal panel is formed with a pattern of protuberances shaped like corrugations. In one embodiment, the corrugations have a shape similar to a sine wave and are arranged in a plurality of generally parallel axial segments. The corrugation wave pattern of one segment may be the same as its adjacent segment or may be staggered by one corrugation which would mean one-half of a full wave cycle. The corrugation pattern in the turbulator panel may be created by any one of various stamping or forming operations and when placed between the cylinder liner and block, increases turbulence of the cooling liquid in order to enhance heat transfer.
REFERENCES:
patent: 1231904 (1917-07-01), Junkers
patent: 1410319 (1922-03-01), Junkers
patent: 1904459 (1933-04-01), Hefti
patent: 2001854 (1935-05-01), Shoemaker et al.
patent: 2085810 (1937-07-01), Ljungstrom
patent: 3831672 (1974-08-01), Battisti
patent: 4667635 (1987-05-01), Lichtblau
Cummins Engine Company, Inc.
Kamen Noah P.
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