Disclosed herein is an exhaust gas cooler. The exhaust gas cooler may include a heat exchange pipe received in cooling water of an engine, and through which exhaust gas of the engine passes to exchange heat with the cooling water, and a plate configured to mount the heat exchange pipe to the engine. The heat exchange pipe may include a first pipe unit communicating with an inlet hole for exhaust gas and changing a flow direction of exhaust gas drawn from the inlet hole, a second pipe unit communicating with the first pipe unit, and a third pipe unit communicating with an exhaust gas return hole and the second pipe and changing a flow direction of exhaust gas to guide the exhaust gas to the return hole. A heat dissipation fin may be provided in an internal passage of the second pipe unit.

The present disclosure relates to a heat exchanger having a bead structure to be folded in a predetermined shape, and an air conditioner having the same. The heat exchanger includes a plurality of refrigerant tubes which respectively extend in a first direction, and are disposed to be spaced apart from each other in a second direction; and a fin array which is fitted to the plurality of refrigerant tubes in a third direction, wherein the fin array includes a plurality of insertion grooves which are disposed to be spaced apart in the second direction, such that the plurality of refrigerant tubes are inserted, a plurality of folding parts which are bent so that the plurality of insertion grooves are disposed at one side of the fin array, and a plurality of heat exchange fins which are divided by the plurality of insertion grooves and the plurality of folding parts.

A header for a heat exchanger orients the position of an inlet port at an angle offset from the position of the outlet port on the header body in order to simplify the plumbing of the header within a system. In one implementation of a header for a heat exchanger, the header forms a header cavity defined by an external wall and which is separated into an inlet chamber and an outlet chamber by a dividing wall. An inlet port is defined within the external wall and is in fluid communication with the inlet chamber. Similarly, an outlet port is defined within the external wall and is in fluid communication with the outlet chamber. The inlet port is oriented on the external wall at an offset angle with respect to a position of the outlet port.

Provided is a heat exchanger including a core portion configured to include an inlet header tank and an outlet header tank having a space, in which cooling water is stored and flows, formed therein and formed in a height direction, a plurality of tubes having both ends connected to the header tanks to form a cooling water channel, and fins interposed between the tubes, in which a core portion of the heater exchanger is formed to block only a part of a bypass area of a part where inlet/outlet header tanks are positioned to reduce a pressure loss of air which is a cooled fluid while minimizing a reduction in heat radiation performance of the heat exchanger and structural rigidity of the core portion is increased by a reinforcing structure formed at an outer side of the core portion to improve durability.

In some embodiments, a structural heat exchanger is presented that utilizes liquid fuel as a coolant as it travels through the perimeter of a region (e.g., a chamber) of an engine. The shapes of the coolant channels of the heat exchanger may be configured to change pitch angles as it travels to the top of the region, to account for areas of the region that may demand higher cooling properties. In some embodiments, the fuel diverter that allows initial passage of the fuel through the coolant channels may be configured to drive passage of the fluid up through the coolant channels with uniform pressure, even as the volume of fluid decreases the farther the fluid travels from the initial entry point. In some embodiments, this may be implemented as a fuel diverter shaped in an annulus with a gradually decreasing radial cross-section.

A gasket comprises an annular gasket portion arranged to enclose a port hole of a heat exchanger plate. An inner edge of the gasket portion defines an area including a reference point coinciding with a center point of a biggest imaginary circle fittable within the area. The area has a form defined by a number of corner points of an imaginary plane geometric figure of which at least one is displaced from an arc of the circle, and the same number of thoroughly curved lines connecting the corner points, wherein a first corner point is a first distance from the reference point, a second one is closest to the first corner point in a clockwise direction and on a second distance from the reference point, and a third one is closest to the first corner point in a counter clockwise direction and on a third distance from the reference point.

The invention provides a heat exchanger for a cooling system of a motor vehicle, in particular a motorcycle. The heat exchanger includes a housing, a supply connection via which a fluid can be supplied to the heat exchanger, a return connection via which the cooled fluid can be discharged from the heat exchanger, and a heat exchange region in which the fluid interacts with a medium in order to be cooled. The fluid dispenses thermal energy to the medium. The supply connection and the return connection are arranged on a common connection side of the housing. The heat exchange region includes multiple heat exchanger tubes through which the fluid flows from the connection side to a side opposite the connection side. A singular discharge tube runs from the opposite side to the return connection. The invention further provides a cooling system and an assembly.

Disclosed herein are a cooling device and method of controlling the same. Cooling device includes a plurality of refrigerant pipes including a polymer material and a power source configured to supply heating power for self-heating of the refrigerant pipes to the refrigerant pipes.

A crossflow heat exchanger includes an outer housing, an inlet that receives a hot fluid to be cooled and a monolithic manifold includes a central receiving reservoir and one or more outer reservoirs. The fluid received at the inlet passing into the central receiving reservoir. The exchanger also includes an outlet connected to the one or more outer reservoirs and tubes disposed within the outer housing that connect the central receiving reservoir and the one or more outer reservoirs. The monolithic manifold includes a gap formed between the central receiving reservoir and one or more outer reservoirs.

A substantially linear ceramic or metallic radiant of ellipsoidal or polygonal cross section is placed proximate furnace tubes or coils in the radiant section of a fired heater to increase the radiant heat directed to the surface of the tubes or coils.