Integral heat exchanger

Abstract

The present invention relates to an integral heat exchanger including: a first heat exchange portion for performing the heat exchange of a first heat exchange medium with external air; a second heat exchange portion separated from the first heat exchange portion and performing the heat exchange of a second heat exchange medium with the first heat exchange medium; and a third heat exchange portion for introducing the second heat exchange medium passing through the second heat exchange portion and to perform the heat exchange of the introduced second heat exchange medium with external air, wherein the first to third heat exchange portions are formed in one body integrally to each other.

1 - 24 . (canceled) 
     
     
         25 . An integral heat exchanger comprising:
 a first heat exchange portion configured to exchange heat between a first heat exchange medium and external air;   a second heat exchange portion configured to exchange heat between a second heat exchange medium flowing through the second heat exchange portion and the first heat exchange medium flowing through the first heat exchange portion; and   a third heat exchange portion in fluid communication with the second heat exchange portion, the third heat exchange portion configured to exchange heat between the second heat exchange medium and the external air.   
     
     
         26 . The integral heat exchanger according to  claim 25 , wherein the first heat exchange medium is cooling water and the second heat exchange medium is charge air. 
     
     
         27 . An integral heat exchanger comprising:
 a first header tank and a second header tank disposed in parallel and spaced apart from each other by a distance;   a first partition member disposed transverse to a longitudinal direction of the first header tank, the first partition member partitioning an inner space of the first header tank into a first space portion and a second space portion;   a second partition member disposed transverse to a longitudinal direction of the second header tank, the second partition member partitioning an inner space of the second header tank into a third space portion and a fourth space portion;   a plurality of first tubes connecting the first space portion of the first header tank and the third space portion of the second header tank to form a plurality of first heat exchange medium passages;   a heat exchange member disposed in the third space portion of the second header tank in the longitudinal direction of the second header tank to form a space though which the second heat exchange medium flows to the fourth space portion;   a plurality of second tubes connecting the second space portion of the first header tank and the fourth space portion of the second header tank to form a plurality of second heat exchange medium passages; and   a plurality of fins disposed between each of the first tubes and between each of the second tubes.   
     
     
         28 . The integral heat exchanger according to  claim 27 , further comprising:
 a first inlet portion formed on one of the first space portion of the first header tank and the third space portion of the second header tank to introduce the first heat exchange medium to the integral heat exchanger;   a first outlet portion formed on one of the first space portion of the first header tank and the third space portion of the second header tank to discharge the first heat exchange medium from the integral heat exchanger;   a second inlet portion formed on the third space portion of the second header tank to introduce the second heat exchange medium to the heat exchange member; and   a second outlet portion formed on the second space portion of the first header tank to discharge the second heat exchange medium from the integral heat exchanger.   
     
     
         29 . The integral heat exchanger according to  claim 28 , wherein the heat exchange member has a shape of a longitudinally elongated pipe. 
     
     
         30 . The integral heat exchanger according to  claim 29 , wherein the heat exchange member includes at least two pipes. 
     
     
         31 . The integral heat exchanger according to  claim 30 , wherein the heat exchange member comprises a plurality of first pipes having a first sectional shape and a plurality of second pipes having a second sectional shape. 
     
     
         32 . The integral heat exchanger according to  claim 31 , wherein an internal cross-sectional area of each of the second pipes is smaller than an internal cross-sectional area of each of the first pipes. 
     
     
         33 . The integral heat exchanger according to  claim 32 , wherein each of the second pipes has a first concave portion formed inwardly with respect to a peripheral surface of the second pipes, the concave portion extending along a longitudinal direction of each of the second pipes. 
     
     
         34 . The integral heat exchanger according to  claim 29 , wherein the heat exchange member has a spiral protrusion formed along a peripheral surface of the heat exchange member. 
     
     
         35 . The integral heat exchanger according to  claim 30 , wherein the second inlet portion comprises a cylindrical connection portion formed in the longitudinal direction of the second header tank, an expanded portion extended from the connection portion to increase in an internal area, and a fixed portion extended from the expanded portion to fix one side of the second header tank. 
     
     
         36 . The integral heat exchanger according to  claim 35 , further comprising a distribution member disposed inside the second inlet portion and configured to evenly distribute the second heat exchange medium to the heat exchange member. 
     
     
         37 . The integral heat exchanger according to  claim 36 , wherein the distribution member is a plate having a plurality of communication holes formed therethrough. 
     
     
         38 . The integral heat exchanger according to  claim 37 , wherein the distribution member comprises a first communication area located at a center thereof and a second communication area formed around the first communication area, wherein a plurality of first communication holes formed in the first communication area is smaller than a plurality of second communication holes formed in the second communication area. 
     
     
         39 . The integral heat exchanger according to  claim 38 , wherein the second communication area comprises a plurality of third communication areas each having a third communication aperture and a plurality of fourth communication areas each having a fourth communication aperture, the fourth communication areas located adjacent the corners, and the fourth communication holes having a larger area than the third communication holes. 
     
     
         40 . The integral heat exchanger according to  claim 37 , wherein the communication holes are formed on the distribution member and correspond to respective ones of the pipes of the heat exchange member. 
     
     
         41 . The integral heat exchanger according to  claim 40 , wherein at least one of the communication holes has a plurality of second concave portions formed inwardly with respect to a peripheral surface of the at least one of the communication holes. 
     
     
         42 . The integral heat exchanger according to  claim 36 , wherein an inclined portion of the distribution member increases in cross-sectional area toward an interior of the second header tank from the second inlet portion, the inclined portion including support portions formed thereon. 
     
     
         43 . The integral heat exchanger according to  claim 28 , wherein the heat exchange member is a plate, the heat exchanger member partitioning the internal space of the second header tank into two sides in the longitudinal direction of the second header tank. 
     
     
         44 . The integral heat exchanger according to  claim 28 , further comprising a third partition member partitioning one side of the second header tank and the second inlet portion.