Global Patent Index - EP 1790934 A2

EP 1790934 A2 20070530 - Core structure of housingless-type oil cooler

Title (en)

Core structure of housingless-type oil cooler

Title (de)

Kernstruktur eines gehäuselosen Ölkühlers

Title (fr)

Structure de noyau pour refroidisseur d'huile sans enveloppe

Publication

EP 1790934 A2 20070530 (EN)

Application

EP 06125039 A 20061129

Priority

JP 2005343871 A 20051129

Abstract (en)

A housingless-type oil cooler (AA; BB) includes cooling elements (100) having first and second plates (11, 12) coupled with together, an oil return tube (6) vertically arranged through a core portion (1), and a heat-transfer suppressing means (20; 22; 24). The cooling elements (100) are piled up in a vertical direction of the core portion (1) to alternately form cooling water chambers (17) and oil chambers (15) so that the adjacent cooling water chambers (17) are fluidically connected through a cooling water passage (18a, 18b) and the adjacent oil chambers (15) are fluidically connected through an oil passage (16a, 16b). The oil return tube (6) discharges oil introduced from one side of the core portion (1) toward its other side through the oil chambers (15) and the oil passages (16a, 16b). The heat-transfer suppressing means (20; 22; 24) is arranged between the oil chambers (15) and the oil return tube (6) to prevent heat transfer between the oil flowing in the oil chambers (15) and the oil flowing in the oil return tube (6).

IPC 8 full level

F28D 9/00 (2006.01); F28F 13/00 (2006.01)

CPC (source: EP US)

F28D 9/0012 (2013.01 - EP US); F28D 9/005 (2013.01 - EP US); F28F 13/00 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK YU

DOCDB simple family (publication)

EP 1790934 A2 20070530; JP 2007147186 A 20070614; US 2007125529 A1 20070607

DOCDB simple family (application)

EP 06125039 A 20061129; JP 2005343871 A 20051129; US 60487606 A 20061128