A coalescing removal separator includes a separator tank having a separator input configured to receive a fluid flowing through a system having entrained gasses and solid particles, having a tank wall configured to form a volume/chamber inside the separator tank to process the fluid, and having a separator output configured to provide processed fluid that is free of at least some of the entrained gasses and solid particles; and a coalescing media arranged in the volume/chamber of the separator tank, the coalescing media having at least one helically wound brush with a stem and intertwined bristles substantially filling the volume/chamber of the separator tank and being configured to enable the at least some of the entrained gasses and solid particles to come out of the fluid.

A combination domestic hot water and space heating system is disclosed. The system includes two refrigerant circuits, one dedicated to heating potable water in a water storage tank and one dedicated to heating a condenser used to heat a space within a building. A controller sends output signals to valves to vary refrigerant flow into the first refrigerant circuit and/or the second refrigerant circuit. The variation in refrigerant flow can be provided by a single multi-directional valve, one or more valves placed at a first end of each refrigerant circuit, and/or one or more electronic expansion valves placed at the end of each refrigerant circuit. Portions of the system can be placed into a single housing, thereby reducing installation costs and labor.

A chemical-agent dosing apparatus for dosing a heating system with chemical agent. The apparatus comprises a chemical-agent storage chamber which stores a chemical agent and a dosing device which has a dosing chamber and a driving means. The dosing chamber is fluidly connected with the storage chamber and defines a dosing volume for receiving a dose of chemical agent. The driving means drives fluid from the dosing chamber via the dose outlet.

A method of operating a heating and cooling system includes (1) providing a heating and/or cooling apparatus having first and second heat exchangers, (2) providing a conduit module modularly coupled to the heating and/or cooling apparatus and adapted to be coupled to a plurality of fluid circuits for heating or cooling loads, and (3) operating a control system configured to operate the conduit module in a heating or cooling mode. The conduit module is positioned between the heating and/or cooling apparatus and the plurality of fluid circuits. The conduit module includes first, second, and third supply conduits and first, second, and third return conduits, to convey first, second, and source fluids to and from respective first, second, and source fluid circuits. The conduit module includes first, second, third, and fourth three-way valves to selectively regulate flow of the first, second, and source fluids.

A pressure compensation and mixing device includes: a mixing unit configured to mix a fluid guided in the mixing unit; and a pressure compensation unit configured to restrict pressure rising in the fluid. The mixing and pressure compensation units are integrated in a container unit. The mixing unit has a mixing volume. The pressure compensation unit has a pressure compensation volume. The mixing and pressure compensation volumes adjoin each other and are separated from each other at least partially by a common separating wall. The pressure compensation unit is arranged inside the mixing unit. The mixing unit includes: an inlet tangentially arranged on the mixing volume such that a fluid let in through the inlet flows in tangentially into the mixing volume; and an outlet axially arranged on the mixing volume such that a fluid let out through the outlet flows out of the mixing volume axially.

A fluid tank includes polymeric liner comprising an upper wall and a lower wall. The upper wall and the lower wall define a cavity therebetween. A weld joint joins the upper and lower walls together. A method for assembling a fluid tank includes overlapping surfaces of an upper wall and a lower wall to form a liner defining a cavity. The method includes joining the surface of the upper wall and the surface of the lower wall together by welding to form a weld joint between the upper wall and the lower wall. The method can include cooling the weld joint to control warpage of the liner at the weld joint.

A water preconditioner system comprising a user interface for manually or automatically receiving inputs from a user, a mixing assembly including a plurality of control valves coupled to hot and cold water supply lines, and a controller in communication with the plurality of control valves and the user interface for controlling the operation of the system. The controller is configured to operate in a plurality of modes to precondition the water to one of a desired preset water dispensing temperature or a target temperature different from the desired preset water dispensing temperature.

The present disclosure relates to a heat pump and a control method thereof, and to a heat pump including an outdoor unit including a compressor for compressing a first refrigerant, a first outdoor heat exchanger for exchanging heat between the first refrigerant and outdoor air, an expansion mechanism for expanding the first refrigerant, and a second outdoor heat exchanger for exchanging heat between the first refrigerant and a second refrigerant; a first refrigerant pipe which connects the compressor, the first outdoor heat exchanger, and the expansion mechanism, and through which the first refrigerant flows; a pressure sensor disposed in the first refrigerant pipe; a second refrigerant pipe which is connected to the second outdoor heat exchanger, and through which the second refrigerant flows; an indoor heat exchanger which is disposed in the second refrigerant pipe, and exchanges heat between indoor air and the second refrigerant; and a controller configured to determine a supply of the second refrigerant by determining a flow rate of the second refrigerant based on surging occurred in a pressure of the first refrigerant measured by the pressure sensor, so that the flow rate of the second refrigerant flowing through the second refrigerant pipe is determined only by the pressure value of the first refrigerant measured by the pressure sensor disposed in the first pipe, thereby determining the flow rate of the second refrigerant without a separate flow sensor, and a control method thereof.

The present invention provides a water heating device capable of shortening a flow passage that mixes hot water and cold water and saving space in the device. In a flow path cross section of circular orthogonal to the central axis of the flow path, the flow inlet has an outer wall extending from the inner peripheral surface of the flow path in a direction of a tangent of the inner peripheral surface, and the central axis of the flow inlet is disposed closer to the inner peripheral surface of the flow path connected to the outer wall with respect to the central axis of the flow path.

Setting and maintaining proper pre-charge air pressure in a diaphragm or bladder-type expansion tank of any fluid system is essential for safe and efficient operation of that system. In usual practice, pre-charge air pressure checks are done by emptying the system of fluid and connecting an analog air gauge to the air input of the expansion tank. In this invention a pressure sensor that is permanently coupled to the fluid volume of the expansion tank is used to also evaluate the pre-charge air pressure in the tank. By employing a single sensor for both fluid and pre-charge air pressure evaluation, the problem of inconsistent calibration between fluid sensing and air pre-charge measuring devices is eliminated. Using the same permanently installed sensor for every test or adjustment in a given system eliminates the problem of variations in calibration between different sensors or gauges used at different testing times.