Combined Device Including An Internal Heat Exchanger And An Accumulator

Abstract

The invention relates to a combined device 1 that includes a chamber 2 housing at least one heat exchanger 9 and accumulation area 11 , the chamber 2 extends on a central axis A and the heat exchanger 9 extends according a secondary central axis B, wherein the central axis A is offset from the secondary central axis B.

1 . A combined device ( 1 ) including a chamber ( 2 ) housing at least one heat exchanger ( 9 ) and an accumulation area ( 11 ), in which the chamber ( 2 ) extends according to a primary central axis (A) and the heat exchanger ( 9 ) extends according to a secondary central axis (B), characterized in that the primary central axis (A) is offset with respect to the secondary central axis (B). 
   
   
       2 . A combined device according to  claim 1 , in which the offset (d) between the primary central axis (A) and the secondary central axis (B) is between one and twenty-five millimeters. 
   
   
       3 . A combined device according to  claim 1 , in which the chamber ( 2 ) and the heat exchanger ( 9 ) have a cylindrical shape. 
   
   
       4 . A combined device according to  claim 1 , in which the heat exchanger ( 9 ) includes at least one first flat tube ( 22 ) wound on itself about the secondary central axis (B). 
   
   
       5 . A combined device according to  claim 4 , in which the first flat tube ( 22 ) includes a plurality of channels ( 23 ). 
   
   
       6 . A combined device according to  claim 4 , in which the heat exchanger ( 9 ) includes an intake chamber ( 24 ) that extends to the center of the first flat tube ( 22 ) wound on itself. 
   
   
       7 . A combined device according to  claim 1 , including a discharge chamber ( 25 ) located at least partially around the heat exchanger ( 9 ), wherein the discharge chamber ( 25 ) is at least delimited by an external wall of the heat exchanger ( 9 ) and by an internal wall ( 19 ) of the chamber ( 2 ). 
   
   
       8 . A combined device according to  claim 6 , in which the heat exchanger includes a first circulation path delimited by the plurality of channels ( 23 ) of the first flat tube ( 22 ), wherein the first circulation path is in communication via a first end of the flat tube ( 22 ) with the intake chamber ( 24 ) and in communication with the discharge chamber ( 25 ) by means of a second end of the first flat tube ( 22 ). 
   
   
       9 . A combined device according to  claim 8 , in which the first circulation path is delimited by a second flat tube ( 26 ) wound with the first flat tube ( 22 ). 
   
   
       10 . A combined device according to  claim 3 , in which the heat exchanger ( 9 ) includes a second circulation path delimited by a plurality of channels ( 23 ) of a third flat tube ( 27 ) wound with the first flat tube ( 22 ). 
   
   
       11 . A combined device according to  claim 10 , characterized in that the second circulation path is, on the one hand, in communication with a first channel ( 12 ) placed at the periphery of the heat exchanger ( 9 ) and, on the other hand, in communication with a second channel ( 13 ) of which the axis is aligned with the secondary central axis (B). 
   
   
       12 . A combined device according to  claim 11 , in which the first flat tube ( 22 ) and the second flat tube ( 26 ), the third flat tube ( 27 ), the first channel ( 12 ) and the second channel ( 13 ) form a unitary assembly. 
   
   
       13 . A combined device according to  claim 1 , in which the chamber ( 2 ) is closed by an upper partition ( 3 ) and a lower partition ( 4 ) and the accumulation area ( 11 ) comprises a lower wall ( 20 ) arranged at the border between the heat exchanger ( 9 ) and said accumulation area ( 11 ). 
   
   
       14 . A combined device according to  claim 13 , including a first conduit ( 14 ) that passes through the upper partition ( 3 ) and leads into a separation area ( 10 ) located in the chamber ( 2 ) and above the accumulation area ( 11 ). 
   
   
       15 . A combined device according to  claim 13 , including a second conduit ( 15 ) that passes through the lower partition ( 4 ). 
   
   
       16 . An air conditioning loop incorporating a combined device according to  claim 1 . 
   
   
       17 . A combined device according to  claim 7 , in which the chamber ( 2 ) is closed by an upper partition ( 3 ) and a lower partition ( 4 ) and the accumulation area ( 11 ) comprises a lower wall ( 20 ) arranged at the border between the heat exchanger ( 9 ) and said accumulation area ( 11 ). 
   
   
       18 . A combined device according to  claim 17 , including a second conduit ( 15 ) that passes through the lower partition ( 4 ) and leads into the discharge chamber ( 25 ).