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8394267 |
Water treatment equipment for recovering phosphorus from water
According to one embodiment, in order to eliminate impurities, and the like, water to be treated is passed through each of reactor vessels, phosphorus contained in the water to be treated is...
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8226823 |
Salometer and flow rate sensor assembly
A salometer and flow rate sensor assembly for a water softener system including a brine tank containing a brine solution including at least one sensor housing provided in the brine tank, a first...
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8157972 |
Apparatus and method for improved electrolytic water treatment process
An electrolytic water treatment system improving upon the electrode life of electrolytic oxygen generators by reducing mineral precipitation and fouling that typically occurs in water treatment...
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8133385 |
Grey water treatment system
A grey water treatment system for use in conjunction with a water softener, including a grey water holding tank including a first inlet configured to receive grey water and a second inlet...
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7892419 |
Device and method for treating water
Device for treating water with a supply (3); a treatment tank (4); a drain (9); a regulator (13); and a bypass (22) which connects the supply (3) to the drain (9), characterised in that in the main...
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7744764 |
Reactive filtration
In one embodiment, a method for treating waste water includes passing ozonized waste water through a bed of moving sand.
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7735805 |
Water control valve
A water control valve designed to control the flow of water from a source to a treatment tank having a plurality of treatment media, thereby providing a supply of treated water, and also provides...
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7736500 |
Bypass valve with blending feature
A bypass valve assembly for directing fluid flow having at least one inlet and at least one outlet for fluid flow, the bypass valve assembly being attachable to a fluid treatment system. The bypass...
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7718054 |
Water treatment system
A modular water treatment system includes a plurality of water treatment components selected from a group of a particulate filter component, a taste and odor filter component, a lead and mercury...
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7608183 |
Control valve assembly
A control valve assembly (10) controls the flow of water to and from a treatment tank (16) and the regeneration of the treatment material therein. A housing of the valve assembly includes...
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7582205 |
Brine mixing apparatus
An apparatus for use with a water softening system including an outer bucket, an inner container having a first end, and a plug, where the plug is received within the first end of the inner...
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7563361 |
Systems for fluid treatment having multiple cycles
A system for fluid treatment that provides alternative regeneration cycles within the same fluid treatment device. A second alternative regeneration cycle is available within the same device, which...
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7563362 |
Auto-regenerable hot and cold water softener
The automatic regenerable cold/hot water softener includes a water softening tank having ion exchange resin and a regenerating tank filled with regenerating substance of the ion exchange resin. The...
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7404900 |
Ammonium removal system including an electrophysical separation system
An ammonium removal system includes an ion-exchange medium, a brine source, and an electrophysical separation system. The ion-exchange medium may be used to remove ammonium from a waste stream. A...
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7390413 |
Water softener system and method
a water softening system includes a water softening resin tank, an anion resin tank in flow communication with the water softening resin tank, an in-line water heater in flow communication with the...
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7373949 |
Fluid treatment system
A control valve for a water treatment system which includes a turbine (110) rotatably mounted within a water receiving chamber. A nozzle assembly (122) defines first and second fluid paths, one of...
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7329338 |
Conductivity sensor for an ion exchange water softener
A water treatment system includes a tank that contains a particle bed for removing minerals from water flowing through the tank. The regeneration of the particle bed is conducted in response to...
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7297264 |
Apparatus and method of water treatment with preliminary screen
The present invention provides a water treatment system, such as a water softener, with a resin tank having a top distributor with a preliminary screen and second screen. The preliminary screen...
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7285220 |
Water softener
Disclosed is a water softener capable of producing soft water at various temperatures and facilitating the regeneration of an ion exchange resin thereof. The water softener includes a water...
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7243669 |
Float-responsive valve with premature closure prevention
A float-responsive valve includes a valve actuator that is selectively responsive to operation of a float to move from a first position to a second position in which the valve actuator holds the...
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7087162 |
Accessible well for brine tank
A well (12) outside of a brine tank (10) is provided which provides better accessibility to the brine refill valve (112) or other components within the well. Also, apertures (42–48) of differing e...
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6972091 |
Ion exchange resin plant
An ion exchange resin plant for the demineralizing or softening water with an arrangement that allows the plant to operate continuously. The plant tank is divided into to two separate compartments...
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6863808 |
Modular water softener system
A water softener system including a hard water flow pipe through which hard water flows, a modular water softener assembly, and a regeneration tank is provided. The modular water softener assembly...
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6814872 |
Controller and method for controlling regeneration of a water softener
Regeneration controller and method for controlling regeneration of a water softener are provided. The controller includes a water meter configured to output a signal indicative of the volume of...
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6814946 |
Salt platform with hub having locking element
A salt platform (700) is disclosed which incorporates a series of hubs (702), radial braces(704) and curved braces(706) which are snap fit together by use of mating locking members(734) and locking...
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6793817 |
Lamp assembly for point-of-use water treatment system
The present invention is directed to a replaceable lamp assembly for a point-of-use water treatment system (WTS). The lamp assembly includes first and second ends with respective sealed inlet and...
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6790362 |
Efficiency mode for water softener
The present invention provides a controller for a water softener having an ion exchange resin capable of receiving hard water ions from hard water during a softening step and releasing the hard...
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6783684 |
Water softening apparatus and associated method for sensing depletion of salt in a brine tank
A water softening apparatus (10) comprises a regeneration tank (12) and a brine tank (14). An ion exchange resin (26) is located within the regeneration tank (12) and salt (38) is located within...
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6776901 |
Quiet flow control washer for water softener or the like
A flow control includes a conduit and a flow control washer disposed in the conduit between the conduit's inlet and the outlet. A gas inlet passage opens into the conduit, preferably at a location...
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6749744 |
Device for regenerating an ion exchange cartridge
The invention relates to a device for regenerating an ion exchange cartridge. In household appliances with an electric heating element for heating water, such as irons, coffee makers, and electric...
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6596159 |
Automatic regeneration valve for water softener
A regeneration valve 131 is adapted for automatic activation of ion exchange resin in a water softener. The regeneration valve includes a switching valve 1, a control valve 32, a water injection...
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6582595 |
Compact water conditioning apparatus
The present invention relates generally to a water conditioning apparatus that is compact and easily recharged without removal from the installation location. In one embodiment, the present...
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6527958 |
Device for reducing water hardness (softener) having a resins exhaustion sensor, and washing machine having said device
A water softener for reducing water hardness, suitable for use in a household washing machine, in particular a dishwasher, has a container within which ionic exchange resins are housed, which...
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6475071 |
Cross flow slurry filtration apparatus and method
The present invention is directed toward an apparatus and method for the cross flow filtration of polishing slurry compositions used in semiconductor wafer planarization. In one aspect, an...
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6458272 |
Molded brine tank
A well (12) outside of a brine tank (10) is provided which provides better accessibility to the brine refill valve (112) or other components within the well. Also, apertures (42-48) of differing...
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6447678 |
Regeneration of water treatment media
Regeneration of water treatment media is disclosed which includes a water treatment unit having one or more media therein, and which upon initiation of flow of the water, imparts turbulence and...
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6444127 |
Water conditioning unit control valve
A highly versatile drive arrangement that drives a linearly reciprocating piston of a water conditioning unit control valve without imparting any significant side loads on the support structure for...
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6402944 |
Water softener control valve with removable seal stack
A seal stack, configured for supporting, guiding, and sealing a piston of a water softener control valve or the like, can be preassembled prior to its insertion into the associated valve bore and...
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6354172 |
Mechanical timer mechanism for valve control
A mechanical timer to control multiple steps of a process comprising a first cam having a shaft, and a second cam having a shaft, wherein the shaft on the first cam extends into the shaft of the...
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6293298 |
Water softener valve
A water softener valve for controlling water flow to and from a water softener is disclosed that includes a cylindrical shaft extending from said inner surface of a piston chamber that fits into a...
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6290845 |
Water softener tank
A two-chambered water softener tank with a bi-directional valve for controlling the flow of water between the chamber for use with a water softener is disclosed. The tank includes an outer shell,...
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6238567 |
Method of making brine for regeneration of a softening appliance
Described is a method for making brine to be used for regenerating water softening appliances. The brine is made in a reservoir having a float mechanism therein coupled to a seal that prevents the...
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6214214 |
Water treatment system with purge valve responsive to fluid signals
A water treatment system including a pair of water treatment tanks, each tank defining a flow path extending from a tank inlet to a tank outlet and containing a water treatment material disposed...
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6206042 |
Modular control apparatus for water treatment system
A modular modular control apparatus for a water treatment system which periodically undergoes a regeneration cycle including a backwash phase and a replenishment phase. The modular control...
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6193882 |
Pressurized brining system
A water softening system includes a resin tank which has an open drain during a regeneration cycle, and a pressurized brining system communicating with the resin tank. The brining system includes a...
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6090285 |
Tank treatment assembly
A tank top pretreatment unit and assembly comprises a treatment unit installed inside a water treatment tank, such as a water softener tank, and in the top of the tank for treating the water either...
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6003690 |
Device for holding currency notes
A device suitable for hindering the removal of currency notes stored in a cash drawer comprising an arm pivotably mountable to the cash drawer and a covering plate having an area for substantially...
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5910244 |
Adaptable control valve for fluid treatment system
A control valve for a fluid treatment system, such as a water softener or a water filter, includes a manifold which mounts a pair of open-ended, cylindrical valve bodies having ports in fluid...
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5908549 |
Filtration and regeneration system
A filtration and regeneration system for in-line filtration of dirt and impurities from a brine/solution having contaminant flushing capabilities and a direct non-saturated feed of liquid resin...
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5879559 |
Valve controller for water conditioning system
A control unit for operating a valve system in a water conditioner system includes a drive motor having an output shaft coupled to the valve system, a valve position slide switch, an electronic...
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