| 摘要 |
A cooling module ( 1 ) comprises a first heat exchanger ( 3 ), which has a first pair of parallel manifolds ( 10, 11 ), and a second heat exchanger ( 4 ), which is in back-to-front relationship with the first heat exchanger ( 3 ) and has a second pair of parallel manifolds ( 7, 8 ) perpendicular to the first pair of manifolds ( 10, 11 ). The first pair of manifolds ( 10, 11 ) is fastened to the second pair of manifolds ( 7, 8 ) at four corners ( 13, 14, 15, 16 ) by means of four fasteners, of which the first is a rigid fastener ( 19 ), the second ( 20 ) and third ( 22 ) are two-way fasteners, and the fourth ( 27 ) is a four-way fastener. The four-way fastener ( 27 ) is situated at the corner ( 16 ) diametrically opposed to the corner ( 13 ) with the rigid faster ( 19 ), and the two-way fasteners ( 20, 22 ) are situated at one of the remaining corners ( 14, 15 ) each. The two-ways fasteners ( 20, 22 ) allow mutual movement only to and fro the rigid fastener ( 19 ), whereas the four-way fastener ( 27 ) allows mutual movement to and fro both of the two-way fasteners ( 20, 22 ).
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