A heat exchange apparatus and a heat pump system provided with same are provided. The heat exchange apparatus includes a heat exchanger and a refrigerant adjustment container with an opening, the heat exchanger includes a first header, a second header and a plurality of heat exchange tubes, two ends of each heat exchange tube are respectively connected to the first header and the second header so as to connect the first header and the second header, and the opening of the refrigerant adjustment container is either of the first header and the second header.

A heat exchanger for a motor vehicle may include an outer pipe through which hot gas may flow, the outer pipe extending along a longitudinal direction, defining an outer pipe interior, and including two outer pipe walls in a cross section perpendicular to the longitudinal direction. The heat exchanger may also include an inner pipe arranged in the outer pipe interior, the inner pipe extending along the longitudinal direction, being closed on a first longitudinal end, defining an inner pipe interior, and including two inner pipe walls in the cross section. The inner pipe walls may include a plurality of apertures by which the inner and outer pipe interiors may communicate fluidically. The heat exchanger may further have a plurality of thermoelectric modules arranged on an outer side of the outer pipe walls, each having a hot side facing the outer pipe and a cold side facing away from the outer pipe, and at least one coolant pipe through which a coolant may flow and which is arranged on the cold side of at least one thermoelectric module.

A heat exchanger can include a monolithically formed body defining at least two channels configured to allow fluid to flow therethrough, at least one of the at least two channels at least partially wrapping around or within at least one other of the at least two channels. In certain embodiments, the at least two channels can include a first channel and a second channel, wherein the first channel is at least partially wound around or within the second channel.

An appliance includes a co-extruded evaporator in thermal communication with a compartment. The co-extruded evaporator includes main and support channels in thermal communication that share a common wall. A main cooling loop is in fluid communication with the main channel. A plurality of co-extruded fins are disposed proximate and in thermal communication with the main and support channels. A coolant is disposed in the main channel and the main cooling loop. A thermally conductive media is selectively disposed in the support channel in fluid and thermal communication with the main channel. The thermally conductive media is chosen from the group consisting of a support channel coolant, wherein the appliance includes a second cooling loop in fluid communication with the support channel, a thermal storage material in thermal communication with the compartment, and a defrost fluid, wherein the appliance includes a defrost circuit in fluid communication with the support channel.

An energy transfer system that includes a tank comprising an outer wall having a circumference. A first fluid pathway surrounds a portion of the circumference of the tank. A second fluid pathway seals the portion of the circumference of the tank and the first fluid pathway from the environment.

A heat exchanger has a first inlet in fluid communication with a tank that contains a first chemical solution of a known concentration, and a second inlet in fluid communication with a conduit. The conduit is in fluid communication with a process tool and conveys a second chemical solution from the process tool to the second inlet. The heat exchanger receives a quantity of the first chemical solution via the first inlet and a quantity of the second chemical solution via the second inlet, and adjusts a temperature of the received quantity of the first chemical solution to bring the temperature of the received quantity of the first chemical solution toward a temperature of the received quantity of the second chemical solution. The temperature-adjusted first chemical solution can be selectively provided to an analytic flow cell for verification and/or calibration of the flow cell.

A heat exchanger for a gas turbine engine includes a heat exchanger body having a first surface and a second surface oriented at least partially at an oblique angle relative to the first surface. The heat exchanger body defines a plenum extending between the first and second surfaces. Furthermore, the heat exchanger body defines a fluid passage extending through the second surface such that the fluid passage is in fluid communication with the plenum. The fluid passage, in turn, includes first and second portions. The first portion intersects the plenum at an intersection and defines a line of projection extending normal to the second surface. The second portion defines a line of projection extending normal to the first surface. The fluid passage further includes a curved portion extending from the first portion to the second portion.

A heat exchanger includes a body, a plurality of first flow channels defined in the body, and a plurality of second flow channels defined in the body, the second flow channels fluidly isolated from the first flow channels, wherein at least one of the first flow channels or the second flow channels have a changing characteristic along a direction of flow within the first flow channels or the second flow channels.

Aspects of the disclosure are directed to a heat exchanger comprising: a first plurality of channels configured to convey a first medium at a first set of temperatures along a first span of the first plurality of channels, the first set of temperatures including a first inlet temperature and a first outlet temperature, a second plurality of channels configured to convey a second medium at a second set of temperatures along a second span of the second plurality of channels, the second set of temperatures being at least partially different from the first set of temperatures and including a second inlet temperature and a second outlet temperature, and a core region where the first plurality of channels and the second plurality of channels are co-mingled with respect to one another.

A baseboard for use in preheating water has a heating element having a plurality of heating surface areas, a continuous coiled pipe member having a plurality of 180 degree bends adapted and formed to cover at least one of the surface areas of the heating element. The pipe member include a cold water intake pipe at a first end and a warm water outflow pipe at a second end dedicated and adapted to send warm water to a water heater. A cover member adapted to cover the heating element and the coiled pipe member includes at least one opening therethrough adapted to allow air to pass through and circulate around the heating element and the coiled pipe member and create a convection effect capable of adding additional heat to the water while passing through the coiled pipe member.