Various examples are provided for smart water systems. In one example, a method for providing water through a faucet includes detecting a voice request from a user; providing an indication of the voice request to control circuitry of an electrically operated valve coupled to a water supply line of the faucet; and activating the electrically operated valve to provide water through the faucet. In another example, a method includes detecting a request for water from a user; providing an indication of the request to control circuitry of an electrically operated valve coupled to a water supply line of the faucet; and activating the electrically operated valve to provide a specified amount of water through the faucet.

The invention relates to a particle filter device (1) comprising: a fluid inlet (20), a fluid outlet (21), a first fluid flow circuit (31) comprising a first filter zone (2) having a first filter surface (S.sub.1), a second fluid flow circuit (32) comprising a second filter zone (3) having a second filter surface (S.sub.2) and a constriction (4) having a constant hydraulic resistance so that, in operation, a first portion of the fluid flows through the first flow circuit (31) by passing through the first filter zone (2) and a second portion of the fluid flows through the second flow circuit (32) by passing through the second filter zone (3) and the constriction (4), and the first filter zone (2) reaches a predetermined clogging condition before the second filter zone (3).

A self-cleaning, automated apparatus with a filter for fluids includes a nozzle unit assembly that has a first tube inside a second tube. Each of the tubes has a different pattern of one or more slots or holes. One tube rotates while the other is fixed, so that part of the pattern of one coincides with the other at times, resulting in a jet of cleaning fluid that removes debris from a filter. The filter is rotated so the jet can reach all parts to be cleaned. The pattern of the rotating tube may approximate a helix and the pattern of the fixed tube may approximate a line.

An IoT water purification system includes a water purification device and a cloud management device. The water purification device includes a filter element, a water tank, a water quantity sensing circuit, a filter element sensing circuit, and a water purification side wireless transmission circuit. The water quantity sensing circuit measures a current storage quantity of the drinking water to generate respective water quantity information. The filter element sensing circuit measures a water quality of the tap water to generate water quality information. The cloud management device includes a cloud wireless transmission circuit and a cloud processing circuit. The cloud processing circuit determines the storage quantity of the drinking water according to the water quantity information, counts the water quality information to generate historical water quantity information, and counts a current service life of the filter elements according to the current water quality information and the historical water quantity information.

A control system and a control method for automated controlling of a crossflow filtration system, as well as a corresponding crossflow filtration system, are provided. The control system comprises a measurement value processing unit configured to receive a plurality of sensor signals from a plurality of sensors of the crossflow filtration system; and to determine a plurality of process parameters defining an operation state of the crossflow filtration system based on the plurality of sensor signals.

The present apparatus is a compact water filtration unit providing modular, highly customizable water treatment. The standardized sump cylinder structure allows interchangeable accommodation of a wide variety of treatment media, filters, and treatment processes. The top-loading sump cylinders provide ease of servicing, while unique cylinder connectors allow a wide variety of treatment types and sequences without increasing the unit's footprint.

A faucet filter system is connected to a water supply line, and includes a manifold connectable to the supply line and providing selective fluid communication with the supply line and a filter apparatus in fluid communication with the manifold, at least one remote actuated valve is associated with the manifold and configured for controlling water flow in the manifold to the filter apparatus when filtered water is desired. A wireless controller is disposed remotely from the filter apparatus and the manifold and is configured for actuating the valve between a first position, in which water flows from the water supply conduit through a faucet inlet, and a second position, in which water flows from the water supply conduit, to the filter apparatus, through the filter outlet and through the faucet inlet. Depending on the actuation of the valve, the either filtered or unfiltered water is emitted through a faucet spout.

A method for detecting an abnormality of a fluid filter includes: detecting a flow rate of a fluid in the fluid filter; detecting a pressure difference in the fluid filter; constructing an operating model of the fluid filter in accordance with a geometry of the fluid filter, a physical characteristic of the fluid, a porosity of the fluid filter, an impurity density, the flow rate and the pressure difference; obtaining an initial impurity accumulative quantity through the operating model; estimating a time dependent impurity accumulative status through a Kalman filter in accordance with the initial impurity accumulative quantity and the pressure difference; obtaining an impurity accumulative quantity in an estimated time in accordance with the time dependent impurity accumulative status, and then comparing the impurity accumulative quantity with a pre-determined value to determine if the fluid filter operates normally.

An IoT water purification system includes a water purification device and a cloud management device. The water purification device includes a filter element, a water tank, a water quantity sensing circuit, a filter element sensing circuit, and a water purification side wireless transmission circuit. The water quantity sensing circuit measures a current storage quantity of the drinking water to generate respective water quantity information. The filter element sensing circuit measures a water quality of the tap water to generate water quality information. The cloud management device includes a cloud wireless transmission circuit and a cloud processing circuit. The cloud processing circuit determines the storage quantity of the drinking water according to the water quantity information, counts the water quality information to generate historical water quantity information, and counts a current service life of the filter elements according to the current water quality information and the historical water quantity information.

A filtration system with a filter out of which filtered medium exits are provided. The system includes a control panel that receives pressure and flow rate information of the medium and uses the pressure information to send a first signal to prevent a pressure differential of the medium from exceeding a first set point yet maintain filtration of the medium. The control panel uses the flow rate information to send a second signal to prevent the flow rate of the medium from exceeding a second set point yet maintain filtration of the medium. An actuated flow control valve is present that opens at different amounts, and the medium flows through the actuated flow control valve.