A gas-liquid separator includes a housing being supplied with water-containing gas, a gas-liquid separation portion being provided inside the housing and separating water from water-containing gas, a water storage portion being arranged on a bottom portion of the housing and storing water separated by the gas-liquid separation portion, and a valve mechanism enabling discharge of and stop of the discharge of water in the water storage portion via a discharge flow path communicating with the water storage portion. An inner wall of the housing has a guide surface flowing water toward the water storage portion and is provided with a regulating portion regulating staying of water in a vicinity of a flow-in port of the discharge flow path.

A drain valve for a pressurised fluid chamber comprises a collection chamber for collecting pressurised fluid from the pressurised fluid chamber; a vent chamber for venting the pressurised fluid from the collection chamber; a master valve between the collection chamber and the vent chamber; and a slave valve between the pressurised fluid chamber and the collection chamber. The master valve is configured to open the slave valve when the master valve is closed, and to close the slave valve when the master valve is open. The master valve is configured to open the slave valve to allow pressurised fluid from the pressurised fluid chamber to enter the collection chamber, and configured to close the slave valve to allow pressurised fluid from the collection chamber to enter the vent chamber. The master valve and the slave valve cannot be shut at the same time.

A replacement filter element having a removable pin attached to the filter element is described. The removable pin is attached to the filter element via a first interference fit. When the replacement filter element is installed into a filtration system having a drain valve with an internal draft, the removable pin seals onto the drain valve and forms a second interference fit between the drain valve and the pin. The pin seals an opening in the drain valve. The second interference fit is stronger than the first interference. Accordingly, when the replacement filter element is removed from the filter housing (e.g., during a service event of the replacement filter element), the pin detaches from the replacement filter element and remains positioned within the drain valve thereby preventing fluid from leaking from the housing when the filter element is removed. The pin permanently plugs the drain valve once installed.

A water separation group is for a fuel filtration and separation assembly of a vehicle fuel circulation system. The assembly extends along a longitudinal axis positionable in the vehicle in a horizontal position having a filtration group. The water separation assembly is associable to the filtration group for receiving filtered fuel, being positioned in series along the longitudinal axis. The water separation assembly has a main body defining a separation chamber and at an axial end, an outlet wall with an outlet mouth. A separator is accommodated in the separation chamber. A blocking device is below the separator to prevent the return of water to the separator. The blocking device has a blocking surface extending longitudinally forming an angle that inclines at least a portion of the blocking surface to allow water separated from the fuel to flow towards the outlet wall from which the blocking surface extends.

Contaminants are removed from a liquid (12) in a storage vessel (14), by using a working liquid to varying the volume of a working cavity (44) sequentially inside a working vessel (16) and using the variations in the volume of the working cavity (44) to vary the volume of a suction cavity (20). The working cavity (44) is defined in a working vessel (18) and the suction cavity (20) is defined in a suction vessel (26) and the vessels (16, 18) are configured so that the volumes of their internal cavities (20, 44) are inter-dependent. Using non-return mechanisms (26, 36) to ensure one-way from the storage vessel (14) via the suction cavity (20) to a filter (28) and back to the storage vessel (14).

A fuel-water separator includes a cartridge assembly and a bowl. The cartridge assembly receives a fuel-water mixture and provides a fuel. The cartridge assembly includes an endplate. The bowl is configured to store water separated from the fuel-water mixture. The bowl is coupled to the endplate. The endplate includes an air vent that receives air from the bowl. The air vent establishes a pressure equilibrium within the bowl and the cartridge assembly.

A cartridge group is for a filter assembly of a fuel filtration system. The cartridge group extends along an axis and includes a filter septum crossable in an axial direction by the fuel. The filter septum has an annular shape and defines at the axis a central cavity. A water separation and support device supporting the filter septum includes: i) a base element supporting the filter septum and presenting channels and/or holes through which the filtered fuel flows; ii) a tubular element extending into the central cavity presenting an outlet duct having a substantially annular cross-section delimited by an outer circumferential wall and an inner circumferential wall delimiting along the axis a through central passage; iii) a separator element crossable by the filtered fuel to be separated from the water. The separator element is housed on the base element and/or on the inner circumferential wall of the tubular element.

Proposed is a moisture removal device using a rotating disk and nitrogen peeling according to the present disclosure may include a circulation pump unit for circulating the oil in the storage tank connected to the circulation pump on one side of the device body via a valve, a chamber for exposing the oil circulated through the circulation pump unit into the chamber headspace through the rotation of the plurality of rotating disks, and a membrane unit that supplies dry nitrogen gas to oil exposed in the chamber headspace through rotation of a plurality of rotating disks of the chamber. The moisture removal device may remove free moisture, emulsified moisture, and dissolved moisture in oil contaminated with moisture through dry nitrogen gas purging by using a continuously rotating disk.

A water drain valve system structured to drain water from a fuel-water separator. The system includes a collection vessel structured to temporarily store water, a liquid level sensor structured to monitor a level of the temporarily stored water, a drainage port extending radially from the collection vessel and having a port inlet and a port outlet, and a valve assembly. The port inlet receives water to be drained from the collection vessel, the water flowing through the drainage port and exiting through the port outlet. The valve assembly is movable between a closed position in which the port outlet is closed, and an open position, in which the port outlet is open, to selectively allow water to be drained from the collection vessel. The valve assembly includes a solenoid coupled to a seal member, the seal member closing the port outlet in the closed position of the valve assembly.

An energy-storage arrangement for, e.g., an electric or hybrid vehicle includes an energy-storage device including energy-storage cells arranged in a housing. The housing includes an inlet and an outlet for a temperature-control fluid, that may provide for direct temperature control of the energy-storage cells in the housing. The energy-storage arrangement further includes a temperature-control-fluid circuit, in which the housing, a pump for conveying the temperature-control fluid, and a heat-transfer device are arranged. A water-separator for separating or discharging water from the temperature-control fluid may be provided in the temperature-control-fluid circuit.