A fluid heat exchanger with pump, adapted to drive a fluid for heat transfer, comprises a heat conduction unit, a diversion unit, and a housing unit. The heat conduction unit includes a heat conductor. The diversion unit includes a cover and a diversion plate. A cooling chamber is defined by the cover and the heat conductor. The cover is provided with a fluid stopper. The diversion plate is disposed in the cooling chamber, and one end of the diversion plate abuts against the fluid stopper, so that the cooling chamber is divided into an upper passage and a lower passage. The housing unit includes a housing and a pump module. The fluid in the housing is driven by the pump module to flow through the upper passage to the lower passage, and then the fluid returns to the housing to carry the heat from the heat conductor.

An gas-driven generator system for generating electric power from movement of a working liquid. The system includes a gas-driven generator that includes a liquid turbine system fluidically interposed between the lower end of an elongated gravitational distribution conduit and the lower ends of plural elongated buoyancy conduits. A heavy working liquid flows from the upper ends of the buoyancy conduits and is fed into the upper end of the elongated gravitational distribution conduit. Working liquid flows down the elongated gravitational distribution conduit to actuate the liquid turbine system. An injection of refrigerant gas into the working liquid in the plural elongated buoyancy conduits induces upward flow of the working liquid. The system includes a solar thermal heating system fluidically coupled to heat exchangers that transfer heat collected by the solar thermal heating system to the working liquid through a thermal transfer fluid circuit.

A thermo-electric cooler pump system includes a liquid pump comprising a chiller/heater component and a case component. The case component seals a liquid so that the liquid does not enter the thermo-electric cooler pump system except by an inlet port and escape the thermo-electric cooler pump system except by an exit port. The system includes a motor component situated outside of the case component and not wetted by the liquid. A shaft of the motor component enters the case through a sealed hole. An impeller component is contained within the case component and attached to the shaft such that motion of motor component is transferred to the impeller component causing liquid to enter the inlet port and flow toward the exit port.

Systems and methods for reducing the pressure of a first pressurized fluid, thereby reducing the temperature of the pressurized fluid, and utilization of the reduced-pressure and temperature fluid to cool a second fluid. Such an approach can enable a reduction in the size and weight of a hydraulic system, utilize waste energy in a system, and/or minimize electrical power requirements of a system, among other benefits.

A compressor system for a cryocooler includes a compressor unit that includes a compressor main body compressing a refrigerant gas of the cryocooler and a liquid-cooled heat exchanger cooling, through heat exchange with a cooling liquid, at least one of the refrigerant gas compressed by the compressor main body and an oil lubricating the compressor main body, a supply line through which the cooling liquid is supplied from a main chiller to the liquid-cooled heat exchanger, a collecting line through which the cooling liquid is collected from the liquid-cooled heat exchanger to the main chiller, and a backup chiller that is provided outside the compressor unit, circulates the cooling liquid to the liquid-cooled heat exchanger in place of or together with the main chiller, and includes a circulation pump and a cooler cooling the cooling liquid on an inlet side or outlet side of the pump.

In one aspect, a chiller/heater component of a thermo-electric cooler pump system comprising: wherein the chiller/heater component comprises: a wetted side of the chiller/heater component comprising a regularly-spaced plurality of parallel rows of elongated elements between which the liquid flows, wherein the plurality of rows of elongated elements are oriented perpendicular to both the flow of the liquid and the wetted side of the chiller/heater component, wherein the plurality of rows of elongated elements extends into the liquid from a single surface of the wetted side of the chiller/heater component, and wherein the wetted side of the chiller/heater component is in contact with the liquid, and a dry side of the chiller/heater component comprising a plurality of parallel sheets, and wherein the chiller/heater component comprises an electron flow through the plurality of parallel sheets to facilitate a thermal heat transfer by a Peltier effect.

A pump device, in particular an immersible pump device, includes at least one heat exchanger unit which is in at least one operation state configured for a heat exchange between a cooling fluid and a liquid that is to be pumped and which includes at least one cooling duct and at least one shaft receptacle having an axial direction, wherein a cross section surface area of the cooling duct changes by maximally 200% at least over a major portion of a course of the cooling duct.

A pump for a dishwasher is configured as an impeller pump having a central water inflow to a rotating impeller for conveying the water in the radial direction out of the impeller into a pump chamber which surrounds the impeller in a ring-like manner and has a heated pump chamber wall on its outer side. Here, the pump has an outlet in the end region of the pump chamber at an axial spacing from the impeller. Heating elements which have a decreasing power output with regard to the area power output in the axial direction of the pump toward the outlet are arranged on the pump chamber wall. An input of energy into the pump chamber can thus be varied and in the process adapted depending on a turbulent or laminar flow.

A thermo-electric cooler pump system includes a liquid pump. The liquid pump comprises an integrated chiller and a heater. The thermo-electric cooler pump system includes a case component. The case component seals a liquid with the thermo-electric cooler pump system so that the liquid does not enter the thermo-electric cooler pump system except by an inlet port and escape the thermo-electric cooler pump system except by an exit port. The system includes a motor component. The motor component is situated outside of the case component. The motor component is not wetted by the liquid. The shaft of the motor component enters the case through a sealed hole. The system includes an impeller component. The impeller component is contained within the case component, wherein the impeller is wetted by the liquid. The impeller component is attached to the shaft such that the motion of motor component is transferred to the impeller component causing it to move. The motion of impeller component causes the liquid to enter the inlet port and flow toward the exit port. The system includes a chiller/heater component.

A compressor device includes a motor cooling system that provides a first flow of a first fluid through a housing for cooling a motor. The motor cooling system includes a first fluid flow section at a first axial position. The first fluid flow section extends in a downstream direction radially with respect to the axis of rotation. Also, the device includes a bearing cooling system that provides a second flow of a second fluid through the housing for cooling the bearing. The bearing cooling system includes a second flow section at a second axial position that is spaced apart axially from the first axial position. The second flow section extends in a downstream direction radially with respect to the axis of rotation. The first flow section and the second flow section are disposed in a heat exchanger arrangement configured to transfer heat between the second fluid and the first fluid.