Patent ID: 6196306
Filing Date: 2001-03-06
Classification: F28D,F28F

Abstract:
A lamination type heat exchanger comprising:a plurality of pairs of metallic thin plates laminated with one another for forming a plurality of fluid passages therein, in which an inside fluid flows for exchanging heat with an outside fluid flowing outside the plurality of fluid passages, the plurality of fluid passages respectively having inlet and outlet portions of the inside fluid, the plurality of pairs of metallic thin plates including an end plate that is disposed at an end in a lamination direction of the plurality of pairs of metallic thin plates;a side plate joined to the end plate, and having first and second protruding portions for forming a side outlet passage and a side inlet passage with an end plate, the side outlet passage communicating with the outlet portions of the plurality of fluid passages, the side inlet passage communicating with the inlet portions of the plurality of fluid passages, the first and second protruding portions having first and second base portions embossing from the first and second protruding portions toward an opposite side of the end plate in the lamination direction; anda pipe joint including a fluid outlet that communicates with the side outlet passage and a fluid inlet that communicates with the side inlet passage, and having an end face that is joined to the first and second base portions of the side plate; wherein:the first and second protruding portions of the side plate has first and second opening portions for communicating with the fluid outlet and the fluid inlet of the pipe joint, first and second peripheral portions respectively surrounding the first and second opening portions, and the first and second base portions respectively provided around the first and second peripheral portions; andthe first and second base portions protrude in the opposite direction of the end plate more than the first and second peripheral portions, respectively.