Oil-cooler-equipped radiator

Abstract

An oil cooler includes a heat exchanger having a plurality of element units stacked in a state communicating with each other, pipe connectors coupled to the heat exchanger in a state communicating with spaces formed respectively at both end portions in the longitudinal direction of the heat exchanger, and a pair of connecting pipes communicating with the spaces from connecting pipe attaching holes formed on the tank via cylindrical portions of the pipe connectors. The cylindrical portions are fixed respectively to rings provided on the outside of the tank at the connecting pipe attaching holes, and joint portions thereof are formed to be exposed to the outside of the tank.

1 . An oil-cooler-equipped radiator, comprising: 
 an oil cooler which includes a heat exchanger having a plurality of element units stacked in a state communicating with each other, pipe connectors coupled to said heat exchanger in a state communicating with spaces formed respectively at both end portions in the longitudinal direction of said heat exchanger, and a pair of connecting pipes communicating with the spaces; and    a radiator which includes a tank having connecting pipe attaching holes formed therein and connected to said pair of connecting pipes via cylindrical portions of said pipe connectors, respectively, wherein    said oil cooler is fixed with said tank by brazing and accommodated therein, and    the cylindrical portions of said pipe connectors being fixed respectively to rings provided on the outside of said tank at the connecting pipe attaching holes, and joint portions of the pipe connectors and the rings are formed to be exposed to the outside of said tank.    
   
   
       2 . An oil-cooler-equipped radiator according to  claim 1 , wherein further 
 the pipe connectors are provided with heat conduction portions respectively, and    said heat conduction portions being brazed on the inside of said tank in a tightly attached state.