Housingless type oil cooler and method for producing the same

Details Housingless type oil cooler and method for producing the same Housingless type oil cooler and method for producing the same

1996-02-16

1997-01-07

Leo, Leonard R.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

165916, 2989003, 123196AB, F28F 308

Patent

active

055907091

ABSTRACT:
The present invention relates to a housingless type oil cooler formed by laminating a plurality of plate members and an object thereof is to prevent deformation of an oil filter seal surface caused by excessive tightening at the time or mounting of an oil filter. An upper tank 111 opened in one side and shaped like a donut is mounted on an upper portion of a core portion 1 so as to cover the latter, a partition plate 113 is disposed in the inside of the upper tank 111, an oil-passing projection portion 115 having a second communicating hole 115A formed in its inner wall is formed on the partition plate 113 so that the inside of the oil-passing projection portion is communicated with an outlet 67B of an oil passage 67 and the second communicating hole 115A overlaps a first communicating hole 111A of the upper tank 111, a projection-like partition portion 117 is formed on the partition plate 113 so that the projection-like partition portion 117 is fixedly attached at its surface onto the inner wall surface of a top portion 111C of the upper tank 111 to thereby partition the inside of the upper tank 111 into an inlet tank chamber 125 and an outlet tank chamber 127, and a cooling water inflow pipe 131 and a cooling water outflow pipe 133 are connected to the upper tank 111.

REFERENCES:
patent: 4708199 (1987-11-01), Yogo et al.
patent: 4892136 (1990-01-01), Ichihara et al.
patent: 5099912 (1992-03-01), Tajima et al.
patent: 5236043 (1993-08-01), Armbruster et al.

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