Method for brazing or refilling comprising the following steps: providing at least one part (51) containing a metal or metal alloy, for example stainless steel, the part (51) having at least one face (59) defining a plurality of interstices (61) comprising at least two opposite edges separated on the face (59) by a maximum distance of not more than 250 micrometres; obtaining a coating (R) in contact with said face and comprising at least a first layer (85), located at least partially in the interstices, and a second layer (87) adjacent to the first layer, the first layer (85) comprising a first powder (A) containing a metal or metal alloy, the second layer comprising a mixture of a second powder (B) and a third powder (C), the second powder and the third powder being, respectively, different alloys suitable for brazing or refilling the part, and the solidus temperature TSC of the third powder being lower than the solidus temperature TSB of the second powder; heating the part and the coating at a heating temperature strictly lower than the solidus temperature TSA of the first powder, lower than the solidus temperature TSB, and strictly higher than the solidus temperature TSC, and at least partially melting the coating; and cooling the part and the coating to obtain a solidified residue attached to the part.

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 plate type heat exchanger for an oil cooler includes at least two heat exchanger members, each enclosing a respective first cavity (C1). The plate type heat exchanger includes at least one inlet port (20, 22), for feeding a medium to the first cavities and at least one output port (21, 23) for extracting the medium from the first cavities (C1). The plate type heat exchanger includes at least one mounting member (13, 14), which is attached to an outside of an outermost one, as seen in a stacking direction (Z), of the heat exchanger members. A second cavity (C2) is formed between the at least two heat exchanger members. A reinforcement plate (30, 31) is located on an inside of the outermost one of the heat exchanger members, and at least partially overlapping the mounting member (13, 14).

A fuel cell apparatus includes a fuel cell module including a housing and a fuel cell housed in the housing, the fuel cell generating electric power with use of a fuel gas and an oxygen-containing gas; and a heat exchanger which carries out heat exchange between a medium and exhaust gas from the fuel cell module, the heat exchanger being arranged laterally to the housing.

The heat exchanger (1) has a plurality of heat exchange units (10) stacked in a direction of a gas flow passage of combustion exhaust gas, each of the heat exchange units (10) includes an internal space (14) through which a fluid to be heated flows, a plurality of gas vents (13) penetrating the internal space (14) in a non-communicating state and through which the combustion exhaust gas passes, and an inwardly directed step portion (17) reducing a height of the internal space (14) between adjacent gas vents (13).

Cold plates through which refrigerant flows define a slot between them that can receive a cassette through which sterile working fluid with a relatively low flow rate flows from an intravascular heat exchange catheter. The working fluid from the catheter is heated or cooled by heat exchange with the cold plates through the walls of the cassette to maintain the sterility of the working fluid. On the other hand, high flow rate working fluid chambers surround the cold plates and non-sterile working fluid from an external heat exchange pad flows through the high flow rate working fluid chambers to exchange heat through direct contact with the cold plates.

A heat exchanger core includes a first fin passage. A first frame surrounds a perimeter of the first fin passage. The first frame includes a plurality of bars configured to be removable from the first frame.

A method of forming a component for a heat exchanger is disclosed. The method comprises machining a portion of a metal sheet to form a plurality of protrusions, and forming apertures in the portion of the metal sheet so as to form a plurality of ribs defined by adjacent ones of the apertures, wherein at least one protrusion is located on each of said ribs.

An inlet distributor for a plate heat exchanger is disclosed. The plate heat exchanger includes a plate set. A fluid channel is formed between each two adjacent plates of the plate set, and each plate has first fluid openings and second fluid openings to form inlet channels and outlet channel for fluid to alternatively flow into and out of the fluid channels. The inlet distributor includes a collecting pipe, and at least one horizontal partition plate disposed on the inner wall of the collecting pipe. The collecting pipe can be mounted on an inlet end of the inlet channel, and the horizontal partition plate is coaxially extended into the inlet channels. When the fluid flows into the collecting pipe, the horizontal partition plate separates liquid and vapor of the fluid and guides the vapor to fluid channel in different position away from the inlet end, along the horizontal partition plate.

A heat exchanger module unit that provides heat exchange between a fluid and a heat medium by indirect heat exchange through a phase-change material disposed between movement paths of the fluid and the heat medium movement paths, includes: a multiple number of plates having a partition, which is formed with a through-hole through which the fluid and the heat medium move, are stacked with a spacing gap, through which the fluid and the heat medium move, at one side of the partition; the spacing gaps are selectively connected through a connector connecting the respective through-holes so as to form a fluid passage and a heat medium passage through which the fluid and the heat medium move independently respectively; the spacing gap, in which the phase-change material is received, is located and disposed between the spacing gaps forming the fluid passage and the heat medium passage through which the fluid and the heat medium move respectively such that heat exchange is made between the fluid and the heat medium through the phase-change material. One of the fluid and the heat medium is disposed at one side of the phase-change material and another phase-change material is disposed at the opposite side thereof.