Patent ID: 9696099
Date: 2017-07-04
CPC Classifications: B29C,B29L,F28F,Y10T

Claim:
1. A heat exchanger comprising: a core portion including a plurality of tubes in which fluid flows; a pair of header tanks arranged on both end sides of the core portion in a longitudinal direction of the plurality of tubes and extending in a direction perpendicular to the longitudinal direction of the plurality of tubes, wherein: each of the pair of header tanks includes a core plate joined to the plurality of tubes, and a tank body made of resin; and the core plate and the tank body define a tank space communicating with the plurality of tubes; an elastically-deformable sealing member that is disposed at an end part of the tank body located adjacent to the core plate; the sealing member has a loop shape to enclose the tank space and is formed integrally with the end part of the tank body; the end part of the tank body includes a protrusion portion inward of the sealing member in a radial direction of the sealing member; the protrusion portion is provided continuously along the end part of the tank body to enclose the tank space and projects from the end part of the tank body over an entire circumference of the end part of the tank body toward the core plate; a height of the sealing member from the tank body is larger than a height of the protrusion portion from the tank body; the protrusion portion is separated from the sealing member; the core plate includes: