Systems and methods for monitoring a filter in, for example, an immersion cooled system are described. In one embodiment the application pertains to a process comprising employing a filter media to filter fluid wherein one or more electrical properties change depending upon pH of the filter fluid. The one or more electrical properties may be measured to monitor the filter. If desired, the filter media's electrical properties may be modified based on the configuration of the filter to facilitate the measurements.

Systems and methods for monitoring a filter in, for example, an immersion cooled system are described. In one embodiment the application pertains to a process comprising employing a filter media to filter fluid wherein one or more electrical properties change depending upon pH of the filter fluid. The one or more electrical properties may be measured to monitor the filter. If desired, the filter media's electrical properties may be modified based on the configuration of the filter to facilitate the measurements.

Provided are a water treatment apparatus and a water treatment method capable of performing a significant water quality evaluation of treated water before the filtration process, and capable of rapidly responding to a change in water quality of the treated water. A water treatment apparatus of the present invention includes a treated water filtering unit which filters treated water supplied from a treated water line to become filtered water, a filtered water mixing unit which is provided in a treated water extraction line diverging from the treated water line to reduce a turbidity concentration in the treated water of the treated water extraction line to become measured water, and a water quality measuring unit which is provided at a rear stage of the filtered water mixing unit in the treated water extraction line and measures water quality of the measured water to evaluate the water quality of the treated water.

A system for calculating maintenance predictions and making improvements to performance deficiencies to one or more components in an on-board inert gas generating system (OBIGGS) is described. The OBIGGS components include an ozone converter, heat exchanger, inlet filter, and Air Separation Module (ASM). The system comprises a prognostic health monitoring (PHM) sensor network comprising at least one respective sensor coupled to each of the components of the OBIGGS. Each at least one respective sensor is configured to output a respective data signal corresponding to a performance condition of a respective component. A control unit is operatively coupled to each component and signally coupled to each respective sensor of the PHM sensor network. The control unit includes at least one test condition algorithm configured to analyze the respective data signal to calculate the maintenance prediction for the respective component.

A filter device includes a filter vessel with a fluid inlet for unfiltered liquid, a filter element in the filter vessel with a filter inlet communicating with the vessel and with a filter outlet, the filter outlet communicating via a cleaning duct and a cleaning valve with a cleaning device, the cleaning device including a cleaning chamber including a volume V0 of cleaning fluid and a pressure chamber at a starting pressure P0, communicating with the cleaning chamber for supplying cleaning fluid to the filter outlet, via the cleaning duct, a fluid supply line connected via a pump to the cleaning chamber for supplying a volume Vr of cleaning fluid to the cleaning chamber while the cleaning chamber is in open fluid connection with the pressure chamber and the cleaning valve is closed so that the pressure in the pressure chamber rises to at or about the starting pressure P0.

The present invention relates to a water purifying machine component and a control method thereof, wherein the water purifying machine component comprises a flow divider body and a water purifier body which are connected by a calandria tube, wherein the flow divider body is provided with a first electric control device, an external water inlet, a purified water inlet, a tap water outlet, a tap water discharging port, a purified water discharging port and a first electric component, the external water inlet is connected with the tap water outlet, and the inner end of the purified water inlet is connected with the purified water discharging port; the water purifier body is provided with a second electric control device, a purified water outlet, a tap water inlet and a second electric component; and the first electric control device and the second electric control device are electrically connected. A circuit of a flow divider and a circuit of a water purifier, and a water path of the flow divider and a water path of the water purifier are in mutual communication with each other, so that the flow divider may control the water purifier to execute related actions, meanwhile, the circuits and the water paths which are connected with the flow divider and the water purifier are arranged in the calandria tube, so that the circuits and the water paths are very regular.

Keyed fluid-handling devices comprise a fluid-handling device such as a filter, a bypass, or an adapter and an optical key. The optical keys are amenable to all types of filter component and can be readily retrofitted to existing designs. The optical keys may be formed from a variety of materials and combination of phases. That is, optical keys may comprise one or more solid materials, or perhaps may result from a combination of: solid materials, such as in transparent or semi-transparent polymers or glass; liquid fluids, such as water; and gaseous gaps such as an air gap. Optical keys may be light conduits or light guides. Filter manifolds comprise optical locks to ensure compatibility of the filter components.

Keyed fluid-handling devices comprise a fluid-handling device such as a filter, a bypass, or an adapter and an optical key. The optical keys are amenable to all types of filter component and can be readily retrofitted to existing designs. The optical keys may be formed from a variety of materials and combination of phases. That is, optical keys may comprise one or more solid materials, or perhaps may result from a combination of: solid materials, such as in transparent or semi-transparent polymers or glass; liquid fluids, such as water; and gaseous gaps such as an air gap. Optical keys may be light conduits or light guides. Filter manifolds comprise optical locks to ensure compatibility of the filter components.

Disclosed are systems, methods, and algorithms for monitoring and indicating filter life. In particular, the disclosed systems, methods, and algorithms may be utilized for monitoring and indicating the useful life of a filter in an internal combustion engine.

A fluid filtration assembly includes a filter housing having a first end for fluid connection with a fluid storage vessel. A filter cartridge is disposable within the filter housing, and a plunger pump is coupled at a second end of the filter housing. The plunger pump includes a housing having a rigid portion and a flexible portion. The flexible portion has a plunger-engaging portion for coupling to the plunger of an actuator. The flexible portion selectively movable with respect to the rigid portion via the actuator. The filter cartridge can be a hollow fiber filter. The plunger pump can be configured to induce alternating tangential flow in at least a portion of the assembly. The fluid filtration assembly can be provided as a disposable single-use arrangement.