Heat exchanger with stacked plates

Abstract

The invention concerns a heat exchanger comprising a plurality of stacked plates 3 intended to allow an exchange of heat between a first fluid and a second fluid flowing in contact with said plates 3, said exchanger comprising a bottle 11 for the first fluid, said plates 3 being provided with intermediate ports 69 b, 75 allowing the first fluid to flow between said plates 3 and said bottle 11, said intermediate ports 69 b, 75 being arranged in a direction substantially transverse to a longitudinal main extension direction of each plate 3.

1 . A heat exchanger comprising:
 a plurality of stacked plates for allowing an exchange of heat between a first fluid and a second fluid flowing in contact with said plurality of stacked plates; and   a bottle for the first fluid,   said plurality of stacked plates being provided with intermediate ports allowing the first fluid to flow between said plates and said bottle, said intermediate ports being arranged in a direction substantially transverse to a longitudinal main extension direction of each plate of the plurality of stacked plates.   
     
     
         2 . The heat exchanger as claimed in  claim 1 , wherein said plurality of stacked plates are configured to each define two portions, a first portion for allowing an exchange of heat between the first fluid and the second fluid before the first fluid passes into the bottle, and a second portion for allowing an exchange of heat between the first fluid and the second fluid after the first fluid has passed into the bottle, said intermediate ports being arranged between said first and second portions. 
     
     
         3 . The heat exchanger as claimed in  claim 2 , wherein said first portions of the plurality of stacked plates define a condensation area and said second portions define a subcooling area. 
     
     
         4 . The heat exchanger as claimed in  claim 3 , wherein a first of said intermediate ports allows the first fluid to flow from the condensation area to the bottle, a second of said intermediate ports allowing the first fluid to flow from the bottle to the subcooling area. 
     
     
         5 . The heat exchanger as claimed in  claim 1 , wherein the plurality of stacked plates further comprise an additional port, referred to as the pass flow port, aligned with said first and second intermediate ports. 
     
     
         6 . The heat exchanger as claimed in  claim 5 , wherein the pass flow port of at least one of the plates, referred to as the secondary plate, is sealed so as to allow said first fluid to flow through several passes in the condensation area. 
     
     
         7 . The heat exchanger as claimed in  claim 1 , wherein the bottle extends in said main direction of the plates. 
     
     
         8 . The heat exchanger as claimed in  claim 1 , wherein, said heat exchanger being provided with inlet manifolds and outlet manifolds, said bottle and said manifolds are located on a same side of the heat exchanger, referred to as the upper side. 
     
     
         9 . The heat exchanger as claimed in  claim 1 , wherein said intermediate ports are oblong and/or elongate in shape in a direction of flow of said second fluid. 
     
     
         10 . The heat exchanger as claimed in  claim 9 , wherein each of said intermediate ports has a width, measured in a direction transverse to said longitudinal main extension direction, that reduces over virtually the whole length of the port in a direction of flow of said second fluid.