Patent ID: 6161876
Filing Date: 2000-12-19
Classification: B60H,F16L,Y10S

Abstract:
A connection device for a fluid chamber of a heat exchanger in a system for air-conditioning the cabin of a motor vehicle, the chamber being bounded by a tubular wall having an opening comprising:a cylindrical end piece partially covered in brazing material adapted to fit in said opening made in the tubular wall in a first direction substantially perpendicular to an axis of the tubular wall;said cylindrical end piece being aligned with a first bore pointing in the first direction;the first bore communicating with a second bore pointing in a second direction different from the first direction;said second bore emerging on the outside of the device in order to provide connection to a fluid circuit external to the heat exchanger;wherein the first bore also emerges at an opposite end to the end piece so as to allow the insertion therein of a tool capable of deforming the end piece radially outward in order to attach the end piece mechanically to the inside of the tubular wall before brazing; anda shut-off member capable of being put in place at the opposite end and be fixed therein in order to close the first bore in a sealed way.