Abstract: Described are pressure fuses or pressure breakers which regulate the pressure downstream from the device. When the fluid pressure exceeds the trip pressure, the pressure fuse or breaker will trip and protect other components downstream of the fuse or breaker. Also described are methods of regulating pressure downstream from a fluid source using such fuses or breakers.

Abstract: Provided are media cartridges that have adjustable bypasses, and systems and methods that use them. Aspects include an adjustable bypass filter cartridge where a treated stream and an adjusted non-treated stream combine prior to post-filtration and the percentage or ratio of treated the and the non-treated water is adjustable at the time of installation from the outside of the filter cartridge with a known or predictable level of bypass. Media cartridges comprise: an inlet in fluid communication with a feed chamber and an outlet in fluid communication with a mixing compartment; a media compartment containing a media; a bypass port in fluid communication with the feed chamber and the mixing compartment. Such cartridges can be adjusted to meet the needs of a wide variety of end uses.

Abstract: A filtration system is disclosed comprising a filter manifold and a filter cartridge. The filter manifold comprises a bracket, a valve, a manifold feed port, a manifold filtrate port, and a handle. The valve is held by the bracket and comprises a fixed portion attached to the bracket and a rotary portion. The handle is operatively connected to the rotary portion and comprises a cartridge lifter having one of a camming ramp or a camming lug lifter engagement feature. The handle is rotatable to a service position and a disengaged position, wherein the manifold feed port is blocked by the valve when the handle is in the disengaged position. The filter cartridge comprises a cartridge feed port, a cartridge filtrate port, and an external cartridge surface having one of a camming lug or a camming ramp for engaging the lifter engagement feature.

Abstract: Described are water-on-water valves for use in reverse osmosis filtration systems. The water-on-water valves are regulated by the pressure in a product line, which contains fluid from a product line of the filter module and/or the product side of a water-on-water storage tank. Exemplary valves are shuttle valves that are regulated by the pressure downstream of the product side of a reverse osmosis filter module. The valves may comprise a piston within a housing, and an end of the piston may have an enlarged diameter relative to the maximum diameter of the remainder of the piston. The body of the piston may have sections of differing diameters, where the smaller diameter sections form flow channels, or the body may a diameter that is substantially the same along its length in conjunction with gratings and flow channels.

Abstract: A filter cartridge for operatively engaging a manifold having an ejection cam and an insertion cam. The filter cartridge includes a filter element and inlet/outlet portion in fluid communication with the filter element.

Abstract: Fluid filtration systems that have openings in their sump closures are provided. Spouts for processed fluid may be added to direct flow of processed fluid. The spouts may be attached, permanently or removably, to the sump closures or to media cartridges. The system comprises: an inlet, an unprocessed fluid outlet, and a processed fluid outlet; a sump housing and a sump closure operatively associated therewith, the processed fluid outlet being located through the sump closure; a media cartridge located in the sump housing, the media cartridge providing processed fluid upon contact with unprocessed fluid; and a diverter. Flow of processed fluid may be directed through any desired angle when a rotatable structure is included in the system. Filtration systems may easily be cleaned and/or sanitized.

Abstract: An apparatus for dispersing additive into a fluid stream is disclosed. Also disclosed are systems comprising a fluid handling apparatus and an additive pod configured to disperse additive into a fluid stream. In some embodiments, the additive pods are easy to install into an outlet portion of a fluid handling apparatus, and do not require special training or the use of tools.

Abstract: A filter cartridge for operatively engaging a manifold having an ejection cam and an insertion cam. The filter cartridge includes a filter element and inlet/outlet portion in fluid communication with the filter element.

Abstract: The present disclosure relates to a new fluid filter system including, but not limited to, structure for enabling a filter cartridge to be installed and removed from a manifold with a straight line push/pull motion, an innovative latching mechanism and an innovative water manifold, the latching mechanism providing a unique mechanism interface between an innovative manifold and a filter cartridge, the latching mechanism providing a compact and simple mechanism between the innovative manifold and the filter cartridge that significantly reduces the installation and removal force previously found with fluid filtration cartridges by including a low force filter cartridge installation and removal mechanism for utilization by the end consumer and the manifold assembly includes an inlet and an outlet port, the manifold assembly having structure for maintaining a substantially constant volumetric cavity of the fluid filtration system that contains fluid during installation and operation of the filter therein and remov

Abstract: Described are water-on-water valves for use in reverse osmosis filtration systems. The water-on-water valves are regulated by the pressure in a product line, which contains fluid from a product line of the filter module and/or the product side of a water-on-water storage tank. Exemplary valves are shuttle valves that are regulated by the pressure downstream of the product side of a reverse osmosis filter module. The valves may comprise a piston within a housing, and an end of the piston may have an enlarged diameter relative to the maximum diameter of the remainder of the piston.

Abstract: A fluid treatment system is disclosed comprising a cross flow filter (110) comprising a feed portion, a concentrate portion, and a permeate portion. The treatment system further comprises a permeate storage apparatus (130) fluidly connected to the permeate portion and comprising a pressure boundary comprising an inner wall surrounding a pliable bladder (150), the pliable bladder fluidly separating a permeate chamber from an atmospheric chamber (170). The treatment system may further comprise a permeate pressurizing device (180) fluidly connecting the permeate chamber to a system output.

Abstract: Described are pressure fuses or pressure breakers which regulate the pressure downstream from the device. When the fluid pressure exceeds the trip pressure, the pressure fuse or breaker will trip and protect other components downstream of the fuse or breaker. Also described are methods of regulating pressure downstream from a fluid source using such fuses or breakers.

Abstract: A liquid storage tank assembly includes a baffle member and a tank assembly. The baffle member includes a generally helical or spiral shaped portion. The baffle member defines a spiral flow path between inlet and outlet openings of the tank assembly. When the baffle member is positioned within the tank and the tank assembly holds a volume of a first liquid, input of a supply of a second liquid at the inlet to the tank assembly forces the first liquid along the spiral flow path and out of the tank assembly exit without substantial mixing of the first and second liquids before substantially all of the first liquid has been dispensed.

Abstract: A precision metering device is in provided that includes a device having a first chamber and a second chamber, a piston disposed in the first chamber that divides the first chamber into a mixing portion and a driving portion and a second piston disposed in a second chamber that defines a concentrate portion in the second chamber. The concentrate portion of the second chamber is in fluid communication with the mixing portion of the first chamber. Methods of adding concentrate to a solvent are provided that utilize the provided metering device.

Abstract: A filter holder is disclosed comprising a base for supporting the filter holder on a work surface, a tilting mechanism attached to the base, and a holder arm attached to the tilting mechanism at a tilt axis. The holder arm comprises a base end and a distal end and is tiltable about the tilt axis to a service position and an ergonomic loading position.

Abstract: A water-on-water filtration system is provided that includes a filter member (480), two water-on-water vessels, and a precision metering device. Each water-on-water vessel also includes a first and a second chamber as well as a first piston (412) defining a mixing portion and a driving portion of the first chamber and a second piston (422) defining a concentrate portion of the second chamber. The system includes a plurality of valves that are controlled to place the first vessel in a fill state in which the first vessel is being filled with filtered water and concentrate, and a service state in which the diluted concentrate is pushed through a product conduit to its end use.

Abstract: A filter cartridge for operatively engaging a manifold having an ejection cam and an insertion cam. The filter cartridge includes a filter element and inlet/outlet portion in fluid communication with the filter element.

Abstract: A filter cartridge includes a one-piece housing having a port and a filtration element disposed in the housing. The filtration element is a coherent filter block that can be larger in cross dimension than the port. The filtration element can be a coherent filter block that generally conforms to the shape of the hollow interior, but is slightly smaller than the hollow interior so as to define a gap between the filtration element and the inner surface. One method for constructing a filter cartridge includes providing a housing having a hollow interior and at least one port, introducing a granular material into the hollow interior via the port, and transforming the granular material in the hollow material into a coherent filter block. Another method for constructing a filter cartridge includes providing a filtration element in the form of a coherent filter block, and overmolding a housing around the filtration element.

Abstract: The present disclosure relates to a new multi component counter top water filtration system having two filtration media cartridges, one media cartridge being replaceable at least twice before the second media cartridge exceeds its useful life and requires replacement and includes a mechanism for disengaging the o-rings associated with the operative connection of the inner filter media cartridge with the outer filter media cartridge without rotation thereof during replacement of the inner filter media cartridge and includes the separation of the plumbing and electronic components wherein the lower housing unit houses the plumbing components such as the water filtration pressure vessel, tubing and flow indication signaling device and the upper unit houses the electronics component and filtration methods related thereto and methods of operating same.

Abstract: The present disclosure relates to a fluid filter system having structure for enabling a filter cartridge to be installed and removed from a manifold with a straight line push/pull motion, a latching mechanism and an innovative water manifold. The latching mechanism provides a compact and simple mechanism between the manifold and the filter cartridge that significantly reduces the installation and removal force previously found with fluid filtration cartridges.