Heat exchanger

Abstract

A heat exchanger includes: a first plate portion to contact an object; a second plate portion that forms, between the first plate portion and the second plate portion, a flow path for a heat exchange medium; multiple partitioning portions; and multiple protrusions. The multiple partitioning portions extend in a flow direction of the heat exchange medium and are arranged alongside in a width direction to partition the flow path. The multiple protrusions are each arranged between a first partitioning portion and a second partitioning portion adjacent to each other and protrude within the flow path. The multiple protrusions each extend from at least one of the first partitioning portion or the second partitioning portion and from the second plate portion, and are spaced apart from the first plate portion. The multiple protrusions each include an inclined surface getting closer to the first plate portion toward a downstream side.

What is claimed is: 
     
         1 . A heat exchanger configured to exchange heat with an object, the heat exchanger comprising:
 a first plate portion configured to come in contact with the object;   a second plate portion arranged so as to face the first plate portion, the second plate portion forming, between the first plate portion and the second plate portion, a flow path through which a heat exchange medium passes;   multiple partitioning portions via which the first plate portion and the second plate portion are joined, the multiple partitioning portions extending in a flow direction of the heat exchange medium and being arranged alongside in a width direction intersecting with the flow direction to partition the flow path; and   multiple protrusions each arranged between a first partitioning portion and a second partitioning portion adjacent to each other, of the multiple partitioning portions, the multiple protrusions protruding within the flow path,   the multiple protrusions each extending from at least one of the first partitioning portion or the second partitioning portion and from the second plate portion and being spaced apart from the first plate portion, and   the multiple protrusions each including an inclined surface inclined so as to be closer to the first plate portion with distance from an upstream edge of each of the multiple protrusions toward a downstream side.   
     
     
         2 . The heat exchanger according to  claim 1 ,
 wherein the multiple partitioning portions form multiple heat exchange flow paths each located between the first partitioning portion and the second partitioning portion in the flow path, and   wherein at least one of the multiple protrusions is arranged in each of the multiple heat exchange flow paths.   
     
     
         3 . The heat exchanger according to  claim 2 ,
 wherein two or more of the multiple protrusions are arranged in each of the multiple heat exchange flow paths.   
     
     
         4 . The heat exchanger according to  claim 1 ,
 wherein the multiple protrusions each extend from the first partitioning portion to the second partitioning portion.   
     
     
         5 . The heat exchanger according to  claim 1 ,
 wherein the multiple protrusions each extend from any of the multiple partitioning portions and are spaced apart from any other of the multiple partitioning portions.   
     
     
         6 . The heat exchanger according to  claim 5 ,
 wherein the multiple protrusions include multiple first protrusions extending from the first partitioning portion and multiple second protrusions extending from the second partitioning portion, and   wherein the multiple first protrusions and the multiple second protrusions are arranged alternately along the flow direction.   
     
     
         7 . The heat exchanger according to  claim 1 ,
 wherein each protrusion of the multiple protrusions is shaped such that a top thereof is downstream of a center, in the flow direction, of the protrusion.   
     
     
         8 . The heat exchanger according to  claim 1 ,
 wherein the first plate portion is arranged on an upper side of the second plate portion.   
     
     
         9 . The heat exchanger according to  claim 1 , further comprising:
 an inlet flow path located on a first end, in the flow direction, of the flow path;   an outlet flow path located on a second end, in the flow direction, of the flow path;   an inlet portion continuous with the inlet flow path; and   an outlet portion continuous with the outlet flow path.