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7614412 |
Washer fluid spraying apparatus
In the present washer fluid spraying apparatus, when the amount of the remaining washer fluid in the tank is reduced, the buoyant force of the float does not have an effect to the valve member, and...
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7509974 |
Metallic ball for a ballcock
A metallic ball has a sliding sleeve, a shell, at least one magnet and a mounting bracket. The sliding sleeve has an open upper end, an open lower end and an outer surface. The shell is spherical,...
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7497229 |
Seal support system with discharging means
A seal support system ( 1 ) for maintaining barrier fluid in a mechanical seal ( 2 ) including a vessel ( 10 ) for containing barrier fluid, a system for feeding barrier fluid between the vessel (...
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7477059 |
Method to determine the contents level of a first fluid in a container and to determine a presence of a second fluid below the first fluid and level measurement apparatus to execute said method
A level measurement device to measure the fill level of a fluid in a container, and a method to determine the contents level of a first fluid in a container and a presence of a second fluid below...
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7189365 |
Liquid treating equipment including a storage vessel and a discharge vessel
In a liquid treating equipment to maintain a small amount of liquid to a desired liquid level with constantly supplying an additional liquid into a small capacity vessel, a storage vessel 13 to...
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7082962 |
Seal support system for maintaining barrier fluid pressure within a mechanical seal
An intelligent seal support management system includes a device for automatically compensating for increased heat or decreased heat in a vessel.
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7028700 |
Method and apparatus for level control in a water tank of a fuel reformer
The present invention provides a method and apparatus for controlling a level in a receptacle capable of storing a fluid. The apparatus includes a first valve governing ingress of the fluid to the...
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6938635 |
Level switch with verification capability
The present invention comprises a novel level switch which may be employed to detect liquid levels within a process vessel. The level switch of the present invention is self validating so that...
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6932097 |
Acoustic control of the composition and/or volume of fluid in a reservoir
The invention provides a device for controlling the composition and/or volume of a fluid within a reservoir. The device includes a reservoir adapted to contain at least one fluid, a means for...
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6845782 |
Multiple tank circulating fuel system
An apparatus and method for the balancing of fuel among tanks in a circulating fuel system. The tanks in the system have both a draw conduit and a return conduit mounted to and extending into the...
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6766614 |
Automatic liquid dispensing device with smart properties
An automatic liquid dispensing device with smart properties. The automatic liquid dispensing device preferably includes a storage chamber, measuring chamber, and evaporation chamber. The...
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6675398 |
Diverter for use with tank valves to direct flow to tank or rim
A diverter valve for selectively passing water from a ballcock valve directly to a water storage tank or to the rim of a toilet. It includes a diverter plunger which places a deflector into the...
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6644344 |
Method and apparatus for metering a flow rate of a fluid
A method and apparatus for measuring the flow rate of a fluid based on the fluid weight. A container is provided between a fluid source and a fluid removal system. A valve is arranged between the...
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6598617 |
Cascaded variable bias feedforward and feedback flow and level control system
A control system for maintaining the liquid levels in a plurality of reservoirs connected in series includes one or more nested control modules. The nested control module, one for each reservoir,...
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6582563 |
Water purification system
An improved portable water purification system with reduced leaks and the capability of automatic draining of its boiling tank, as well as to a method of preventing water spillage from a portable...
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6546944 |
Fluid siphon outlet sensor system
In a system and method for sensing and controlling the level of a fluid in a tank, the system includes a fluid inlet, for enabling the flow of fluid into the tank, and a controller, for controlling...
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6532984 |
Constant flow liquid supplier
A constant flow liquid supplier includes a body having a cavity defined to contain liquid. An inlet assembly floats on the liquid surface and selectively opens the inlet of the constant flow liquid...
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6502607 |
Fuel tank valve apparatus
A fuel tank valve apparatus for use with a fuel tank. The fuel tank apparatus has an inlet neck defining a valve chamber, a valve housing positioned in the valve chamber, a valve positioned to move...
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6422263 |
Nested and cascaded variable bias feedfoward and feedback flow and level control system
A control system for maintaining the liquid levels in a plurality of reservoirs connected in series includes a parenthetical control module and one or more nested control modules. The parenthetical...
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6303024 |
Three batch fill/settle/draw electronic controller for use with a reverse osmosis unit
An electronic controller for controlling the fill, settle and draw operations of three settling tanks which are used with a reverse osmosis unit. The three settling tanks provide a pair of liquid...
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6257287 |
Fuel fill pipe shut-off device
A motor vehicle fuel fill pipe shut-off device includes a fuel shut-off valve normally closed relative to a valve seat and disposed in a path of fuel flow through the fuel fill pipe of the motor...
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6253781 |
Process for controlling the level of an ammonium fluoride-containing acid solution in an acid vessel
The present invention provides a process for controlling the level of an ammonium fluoride-containing acid solution in an acid vessel. First, a tube provided with at least one hole in the sidewall...
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6209570 |
Automatic flush valve
An automatic flush water distribution system for use in an evaporative cooling system includes a water distribution pipe adapted to be connected to a source of pressurized water. The pipe has a...
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6202677 |
Multi-functional cleaning and filtering system for aquarium tank
A cleaning and filtering apparatus and method for a tank such as an aquarium. The major components are an inlet water controller, a suction unit, and a filter container unit. The filter container...
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6185760 |
Liquid flow control tap with inexhaustible energy-operated valve
A tap used for controlling the flow of liquid, such as water, oil, or gas, is disclosed. The liquid control tap of this invention has a valve capable of being effectively operated using...
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6148852 |
Sump pit regulating valve
A valve assembly that is composed of simple parts is described that is used to provide a sump pit water control device that operates due to the level of water within the sump and not by...
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6148838 |
Automated processing liquid drain system
The present invention discloses an automated processing liquid drain system that utilizes a series of processing liquid drain tanks and at least two waste collection tanks that are in fluid...
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6129110 |
Fluid level management system
A fluid level management system for controlling a fluid level contained within a reservoir housing is described. The fluid level management system utilizes two separate predetermined fluid levels,...
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6092547 |
Double funnel float valve
A combination valve and trap device is described for use in liquid supply and liquid disposal systems. Floats of various size, weight and shape are encased in cylindrical housings with inverse...
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6062253 |
Apparatus for the intermediate storage and controllable release of a predeterminable quantity of water
An apparatus is described for the intermediate storage and control or release of a predeterminable quantity of water, wherein the predeterminable quantity of water is replenished, each time it has...
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6012481 |
Constant-level fluid supplier
A constant level of fluid (8 or 106) in vessel (1 or 104) is maintained using a reservoir (5 or 102) and a tank (4 or 101). Float valves (9 or 107) which raise and lower with the level of fluid in...
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6000425 |
Automatic remote fluid level controller
A device comprising a chamber (10) with a maximum fluid level (14) established by an internal drain pipe (62) directing excess fluid to a point of disposal (44) and an internal replenishment fluid...
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5941417 |
Fill system equipped with apparatus for continuous controlled inflow to a balance tank
A system to be utilized at a dairy in the distribution of a pumpable food product from a storage tank to a filling machine for dispensing into containers. The system includes a balance tank for...
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5920920 |
Straight trap toilet apparatus
A straight trap toilet apparatus mainly comprises a main body with a straight trap, a piston, and a toilet bowl. The water outlet of the main body is connected to a waste pipe, and the top of the...
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5857624 |
Windshield washer nozzle with drain port
A windshield washer nozzle with a drain port is disclosed. In the nozzle with liquid inlet and outlet ports, a partition wall is formed in the middle portion of the passage between the two ports,...
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5771178 |
Fail-safe fluid transfer controller
A fail-safe fluid transfer control apparatus has full redundancy in the response to various inputs such as overfill probe signals, ground detection signals, and the like. Independent microprocessor...
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5726404 |
Valveless liquid microswitch
This invention provides a valveless method and apparatus for high speed switching of liquid flow between intersecting microchannels. Liquid flow is controlled by manipulating external driving...
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5715856 |
Liquid flow control apparatus
A liquid flow control apparatus (5) suitable for handling milk from a milking machine, comprising a first chamber (10) that comprises an inlet (11) for the milk, an outlet (12) for connecting to a...
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5701862 |
Method and apparatus for replenishing the lubricating oil of an internal combustion engine
A method and apparatus for replenishing the lubricating oil of an internal combustion engine involving, during operation of the engine, continuously supplying a predetermined quantity of new oil...
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5652970 |
Toilet water reservoir water dumping valve for sealing the reservoir's water outlet by hydraulic pressure, and controlling water volume
A toilet reservoir water dumping valve for sealing the reservoir's water outlet by hydraulic pressure and for controlling the water volume to be flushed. The dumping valve is situated in the toilet...
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5653255 |
Sewage treatment system
A sewage treatment system includes a pair of substantially identical unitary fluid treatment modules, each module having a central sedimentation tank surrounded by a peripheral wetland. The...
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5608924 |
Consistent delivery flush and fill system for a tank
A consistent-delivery flush and fill system for a water tank. A vertically movable post with a central passage carries a valve plug to open and close a valve seat for a discharge port from the...
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5519638 |
Automatic system for monitoring and replenishing hazardous liquids in tanks
An automatic system is disclosed which monitors and replenishes hazardous liquids in their holding tanks, as such liquids are typically used in manufacturing processes. The inventive system and...
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5516423 |
Variable residence time treatment system
A variable residence time treatment system for liquid has a reactor vessel with variable effective holding volume. Liquid is admitted with at least one treatment material to adjust a property of...
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5511950 |
Vacuum pumps for recovering condensates from steam-using apparatus
A condensate recovering vacuum pump uses the condensate in a condensate tank as the boiler feed water. A circulating pump supplies the feed water to the feed-water ejection nozzle of a jet pump....
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5179739 |
Water conserving toilet assembly
A toilet flushing apparatus designed to prevent excess loss of water that may happen when the flush valve stays open as the inlet valve is putting water into the tank. The initial flushing lifts...
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5121768 |
Moisture sensing valve
A valve apparatus in which moisture sensitive material controls the opening size of a water valve. The moisture sensitive material is placed in an evaporative pad of an evaporative cooler. As the...
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5121770 |
Hydraulically controlled valve for a cool tower and the like
A valve operating on hydraulic pressure for the control of water being deposited onto evaporative pads located on a cool tower. The valve utilizes water flow to fill a basin or tank which is slowly...
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5053111 |
Method and apparatus for the batch distillation of water
A method and apparatus for automatically and sequentially distilling batches of water having substantially equal volumes in a plurality of distillation cycles, one batch in each cycle. During each...
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5047129 |
Unit for the treatment of electrophoretic strips
A unit for the treatment of electrophoretic strips mounted on a frame comprises at least one pair of basins (10a, 10b) and a feed, forced circulation and emptying circuit comprising as many tanks...
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