Importance

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Abstract

A plate heat exchanger comprises first and second frame plates, side walls, and a stack of heat transfer plates. The heat transfer plates each has a center portion and a peripheral portion encircling the center portion, and they are arranged in pairs between the first and second frame plates. A first flow path for a first fluid exists between the heat transfer plates of the pairs and a second flow path for a second fluid exists between the pairs of heat transfer plates. The side walls extend between the first and second frame plates and enclose the stack of heat transfer plates. A first side wall of the side walls includes a through hole for draining a substance, originating from one of the first/second fluids, from inside to outside of the heat exchanger A first portion of the inside surface of the first side wall slopes towards the hole.

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First Claim