| 摘要 |
An automotive air conditioner apparatus comprising a metal refrigerant flow tube of generally oval cross section with opposite flat sides joined by opposite edges, a metal fitting having opposite ends and a fluid passage through the fitting with means on one end for receiving a flexible refrigerant conduit and an opening on the other end receiving the refrigerant flow tube thereby to connect in series the conduit, fluid passage and tube with the tube being joined to the fitting other end along a continuous joint that is at an acute angle to the longitudinal axis of the tube in order to distribute stresses tending to cause a break in the tube.
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