Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Patent
1990-05-15
1991-05-14
Ford, John
Heat exchange
Flow passages for two confined fluids
Interdigitated plural first and plural second fluid passages
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 Cooling water is supplied and withdrawn through a pair of pipes connected to the base.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.
Ford John
Toyo Radiator Co., Ltd.
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