| 摘要 |
An air conditioning installation for a motor vehicle is of the kind comprising an evaporator having an inlet branch and an outlet branch, arranged substantially horizontally and one above the other, with each branch having a radial bead. An expansion chamber is removably but sealingly attached to the branches by an anchor plate which is fastened by a screw so as to bear on the beads so that the latter compress seals against receiving surfaces of the expansion chamber. The anchor plate is in the form of an elongated plate having two through slots which are open at opposite ends of the plate and in which the two branches are supported. Each slot has a semi-circular base portion fitting the circumference of the corresponding branch of the evaporator, and each of these base portions is extended substantially tangentially to define parallel edges of the slot. The parallel edges of the slots in the anchor plate are inclined with respect to the plane that contains the geometrical centers of the semi-circular base portions.
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