A heat exchanger includes a plurality of cooling plates, a duct plate disposed around the cooling plates and a spacer plate fixed to both the duct plate and the cooling plate to prevent supercharged air from flowing into a gap between the duct plate and the cooling plate. The cooling plate includes cup portions allowing cooling water flow paths of the corresponding two cooling plates to be in communication with each other when the cooling plate is fixed to the adjacent cooling plate. The cooling water flow path formed in the cooling plate includes flow path portions and formed extending in a direction perpendicular to a flow direction of supercharged air from the corresponding cup portions. The cup portions are each formed in a tubular shape having a central axis at a position offset along the flow direction of the supercharged air from a center of the corresponding one of the flow path portions in a flow path width direction.

A base block has a longitudinal direction and a width direction and includes a recessed part in which a heat receiving tubular portion is accommodated, and a container part of a heat pipe is caulked and fixed in a recessed part and a first metal part containing first metal having a melting point equal to or higher than 130° C. and equal to or lower than 400° C. and/or a first metal alloy having a melting point equal to or higher than 130° C. and equal to or lower than 400° C. is formed between the recessed part and an outer surface of the container part.

An intercooler includes a cooling tube having a first coolant passage through which a first coolant flows and a second coolant passage through which a second coolant flows. A pair of plate portions having a predetermined shape are bonded with each other by brazing such that the pair of plate portions are superposed on each other to define the first coolant passage and the second coolant passage between the pair of plate portions. The cooling tube includes a passage partition portion separating the first coolant passage from the second coolant passage at a part of the pair of plate portions between the first coolant passage and the second coolant passage, and at least one through-hole in the passage partition portion. At least one swaged portion that crimps the pair of plate portions is provided at a periphery of the through-hole.

A heat exchanger includes a header and a side plate. The header has a face plate that defines a plurality of orifices. The header has a protrusion that extends outward from the header and down such that a gap is formed between the header and the protrusion. An external portion of the protrusion is configured to break away from the header during thermal expansion. The side plate is disposed adjacent to an array of alternating tubes and fins. Each tube extends into one of the orifices of the plurality of orifices. The side plate has an end that is secured to the external portion of the protrusion.

A heat exchanger includes: a heat exchange core portion; and a tank portion connected to the heat exchange core portion. The heat exchange core portion has a connection plate that surrounds a part of the tank portion from an outer peripheral side. The connection plate has slit-shaped openings arranged along an edge of the connection plate in a first direction. A part of the connection plate between each of the openings and the edge is deformable into a concave shape toward the tank portion. A part of the openings has a widened portion at both ends in the first direction. A width dimension of the widened portion in a second direction from the opening to the edge is larger than that of the other portion of the opening.

The present disclosure relates to a heat transfer system 1 for transferring heat between a first fluid and a second fluid. The system 1 has an arrangement 2 composed of pipe elements 3, 3a, 3b, 3c for passing through the first fluid, one or more pipe bottoms 5 having a through opening 6, and one or more sealing elements 7 having a through opening 8. The pipe elements 3, 3a, 3b, 3c are formed of a flat pipe having a first region 10 having a first height X and a width W and one or more second regions 11 having a support surface 13 arranged on one end portion of the pipe elements 3, 3a, 3b, 3c and having a second height Y, respectively. The sealing element 7 is arranged between the edge of the through-hole 6 of the pipe bottom 5 and the support surface 13, respectively, and has a specific wall thickness G. The pipe elements 3, 3a, 3b, 3c having a wide side are arranged in a state aligned parallel to each other and at an interval F with respect to each other in the first region 10. A web 5-1 having a height H is provided between the through openings 6 arranged adjacent to each other of the pipe bottom 5. The deformation degree of the end portion of the pipe elements 3, 3a, 3b, 3c in the height direction c, which is placed in a range from the maximum value CM.sub.max to the minimum value CM.sub.min, is previously set with reference to the dimension relationship.

A heat pipe structure includes a base block including a rear surface part thermally connectable to a heat generating body and a heat pipe fixed to a front surface part of the base block and including a heat receiving tubular portion disposed along an in-plane direction of the base block. The base block has a longitudinal direction and a width direction and includes a recessed part in which the heat receiving tubular portion is housed and a pair of wall parts projecting along an outer circumferential surface of the heat receiving tubular portion from width direction both sides of the recessed part, and a container of the heat pipe is caulked and fixed by the recessed part and the pair of wall parts and includes a projecting shape part projecting in a direction opposite to a direction of the caulking between distal end portions of the pair of wall parts.

A heat exchanger includes a header and a side plate. The header has a face plate that defines a plurality of orifices. The header has a protrusion that extends outward from the header and down such that a gap is formed between the header and the protrusion. An external portion of the protrusion is configured to break away from the header during thermal expansion. The side plate is disposed adjacent to an array of alternating tubes and fins. Each tube extends into one of the orifices of the plurality of orifices. The side plate has an end that is secured to the external portion of the protrusion.

A liquid to refrigerant heat exchanger includes a coolant volume that is at least partially defined by a plastic housing and by a metal closure plate. The plastic housing is sealingly joined to the closure plate along an outer periphery of the closure plate. The metal closure plate can be part of a brazed assembly that defines a continuous refrigerant flow path through the heat exchanger between a refrigerant inlet port and a refrigerant outlet port.

A plate type heat exchanger according to an embodiment of the present disclosure includes a plate package in which a plurality of heat exchange plates is stacked to form a flow path, through which fluid flows, an end plate coupled to an outside of the plate package, and a socket connected to the plate package by passing through the end plate, in which the end plate includes a base which is in contact with the outside of the plate package, a socket hole which is formed through the base and into which the socket is inserted, and a ridge which protrudes outward from an edge of the socket hole of the base.