Oil cooler and manufacturing method thereof

Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages

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Details

165 51, 165166, 165916, 228175, 228183, 123 4133, 123196AB, 1841043, F28D 900, F01M 500, F01M 1103, F28F 308

Patent

active

050147757

ABSTRACT:
An oil cooler for motor oil used in engines has an element core, a base on which the core is placed, and a casing housing the element core. The core consists of a plurality of sets of two elements being combined together face-to-face and a fin member which is placed on the set of elements. These two elements and one fin member are join together to make a single unit. Several units are contained in the casing of the oil cooler. Cooling water circulates through the flat hollow doughnut-like elements combined. A partition is formed in the interior of the elements combined and a set of cooling water supply hole and exit hole is provided at both the sides of the partition. The core of elements and a base on which the core is placed are brazing adhered or fixed to each other in a hot vacuum furnace and then a dish-like cap is applied to the base. Motor oil to be cooled is led from the engine block to a filter mechanism through several fin members situated between elements. Cooling water is supplied and withdrawn through a pair of pipes connected to the base.

REFERENCES:
patent: 3743011 (1977-07-01), Frost
patent: 4271901 (1981-06-01), Buchmuller
patent: 4580625 (1986-04-01), Yamanaka et al.
patent: 4742866 (1988-05-01), Yamanaka et al.
patent: 4892136 (1990-01-01), Ichihara et al.

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