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7448102 |
Method for controlling mixtures especially for fabric processing
A method for supplying liquid mixtures on a mix-on-demand basis for consumptive use, and for maintaining the composition of such mixture on a highly accurate and stable basis. For wet-on-wet...
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7357142 |
Apparatus for continuously aspirating a fluid from a fluid source
An apparatus for continuously aspirating a fluid from a fluid source. A vacuum source is operatively connected to a first container forming a first chamber and a second container forming a second...
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6491812 |
Ice water cooling system
An ice water cooling system for a multi-story building includes an open chemical tank 304 adjacent the bottom of the building 300. The tank includes a float-level ball 310 positioned therein for...
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6269831 |
Precision volumetric measuring and mixing apparatus
An apparatus for mixing a first liquid with at least a second liquid includes a tank having a mixing chamber to which is connected a first and a second supply line from each of a first and a second...
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6101452 |
Method and apparatus for dispensing fluids
A method and apparatus for dispensing fluids in response to a user request for a specified amount of the fluid. A microprocessor opens and closes a fluid port for predetermined amounts of time to...
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6050282 |
Batch mixing control method and apparatus
A batch system wherein a constant, metered flow, is established for each of the ingredients of the batch. Having a constant flow rate and constant pressure in the fluid flow, a diverter valve...
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5979478 |
Apparatus and method for treating water in a water supply system
Apparatus for delivering a water treatment chemical to a water intake in a water system is disclosed. The water system has a water inlet and a pump for withdrawing water from a natural body of...
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5792343 |
Brine supply system
A brine supply system including a first brine tank to store diluted brine of a predetermined concentration to be supplied into an electrolytic brine treatment device and a second brine tank to...
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5701924 |
Apparatus and method for detecting and handling liquid separation in liquid emulsions
An apparatus and method for detecting and handling liquid separation in a liquid emulsion disposed in a tank 1 by preventing separated liquid from entering a withdrawal conduit 3 disposed in the...
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5339854 |
Conservation system and method
An apparatus for conserving utilities including coolant, in a system having an evaporative cooler equipped with a water reservoir for holding a predetermined amount of cooling water and also...
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5339889 |
Controlled biocide feeder for cooling water systems
In accordance with the present invention, a controlled biocide feeder limits growth of bacteria (e.g., Legionella pneumophila) in heat transfer water of building air conditioning systems....
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5331994 |
Fuel additive dispensing system
An additive dispensing system for diesel fueled applications includes a diesel fuel system having either single or multiple tanks, a fuel level sensor, an additive tank, a fixed rate additive...
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5213694 |
Water treatment control system for treating cooling tower makeup water
An apparatus and method for controlling the amount and concentration of make-up water and chemicals introduce into the recirculating water of a cooling tower system. A float operated make-up valve...
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5203367 |
Apparatus for supplying liquid under constant pressure
An apparatus for supplying a liquid under a constant pressure comprising a supply tank disposed at a higher lever than articles, i.e., containers, to be supplied with the liquid, an overflow plate...
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5127542 |
Process and apparatus for proportioning liquids
A proportioning process and apparatus is provided for forming a liquid composition by admixture of a plurality of liquid components. The apparatus includes a main chamber, a subchamber positioned...
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5061450 |
Isolation fluid control device and water cup
An isolation fluid control device and water cup for use in an automated, random-access, isolation fluid-based, analytical instrument. The cup, in operation, contains two immiscible liquids. The cup...
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4823987 |
Liquid mixing system and method
A liquid mixing system and method are disclosed for automatically preparing a batch mixture containing predetermined quantities of liquids such as spray dampening solutions or silicone emulsions...
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4505288 |
Pneumatically controlled dump valve system for gas scrubbers
A rising liquid level in a gas scrubber for an air compressor is sensed by a float in the scrubber which opens a normally closed pneumatic vent valve whereby a very small pneumatic signal is...
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4474476 |
Chemical printing liquid method and system
An improved method and system for properly supplying and mixing printing chemicals and liquid diluent and for supplying the resulting liquid is provided. The method and system feature the use of...
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4407353 |
Waste heat recovery device for preventing corrosion by sulfur oxides
In a boiler or an industrial furnace, a temperature detecting sensor is mounted at the heat absorbing side of a heat pipe of a waste heat recovery device which is disposed in part of the path of...
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4393013 |
Vapor mass flow control system
A system for precisely controlling the mass flow rate of vapor from a bubbler by a carrier gas stream.
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4320775 |
Liquid metering unit responsive to the weight of the metered liquid
A process and apparatus are disclosed for the accurate measurement and control of liquid flow at low flow rates. The invention is particularly applicable to the measurement and control of...
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4312595 |
Automatic fluid mixing system and a multi compartmented container therefore
An automatic fluid mixing system is disclosed which, in its preferred embodiment, discontinuously opens a disposable multi-compartmented module to permit the mixing of initially released contents...
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4180083 |
System for controlling flow rate in pipelines
System for controlling flow rate in pipelines connecting a plurality of reservoirs is disclosed. Flow rate Qij (t) of fluid flowing from one reservoir (i) to another reservoir (j) is first...
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4039637 |
Fuel supply systems for heat generators
A fuel supply system for a heat generator comprises means for spraying fuel into an air inlet tube, which means are branched off a fuel supply line supplied by a pump having a fuel delivery greater...
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4033295 |
Arrangement for reducing vacuum in milking machines
A connection between a vacuum source and a conduit of a milking machine is controlled by a valve body having a position for providing a normal working vacuum in the conduit and a position for...
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3970099 |
Liquid level responsive vent valve
An automatic vent valve for pneumatic control systems of compressors or the like allows a compressor to be shut down when the level of liquid in an associated gas scrubber reaches a certain level....
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3877242 |
Harvest control unit for an ice-making machine
A harvest control unit for an ice-marking machine characterized by an actuatable switch adapted to provide an output signal for electrically initiating a harvest of ice from the machine, and...
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3823728 |
CONTROL SYSTEM FOR LIQUID TREATMENT
A system for adding material to a liquid on variable demand is controlled by a switch responsive to liquid pressure for operating the material-adding means whenever a pressure drop shows that the...
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3812888 |
COMPRESSED LIQUID GAS FILLING SYSTEM
Escaping gas from the 20 percent valve of a compressed liquid gas tank is fed through a metered opening into an expansion chamber. A temperature sensitive element located within the expansion...
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3788340 |
COOLING TOWER WATER CONTROL SYSTEM
A cooling tower water control system operated by means of a ring float, a ring magnet fastened thereto, four magnetic reed switches enclosed by four individual tubes mounted in a parallel direction...
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3776252 |
SELF-REGULATING SYSTEM FOR MIXING LIQUIDS
A system is provided for mixing,on demand, two or more liquids at a constant ratio with one of the liquids serving to pump one or more of the other liquids into the system. The piston of one...
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3724481 |
CONTROL INSTALLATION FOR BALANCING FUEL LEVELS IN MOTOR VEHICLE FUEL TANKS
A regulating installation for controlling the level of fluid in a plurality of supply tanks for an automotive vehicle. A fluidic control element is arranged in a backflow line for selectively...
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3721258 |
APPARATUS FOR SUPPLYING COOLANT LIQUID FOR REFRIGERATION COILS
A concentrated aqueous solution of corrosion inhibiting chemical is metered from a container through an electrically operated metering pump and chemical supply line to the sump of a cooling tower...
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3705598 |
AUTOMATIC CHEMICAL MIXER
A demand responsive system for automatically mixing and replenishing liquid chemicals subject to degradation when mixed, including collapsible storage vessels for the unmixed chemicals, a small...
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3618643 |
CONTAINER-FILLING APPARATUS
A loading bay for filling the compartments of a vehicle with liquid fuel has a loading arm for each tank compartment. Each loading arm includes a nozzle and a solenoid operated shutoff valve for...
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3550610 |
MEANS TO DETECT CHANGES IN LEVEL OF A STREAM OF WATER
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3509892 |
PROCESS AND APPARATUS FOR LIQUID LEVEL CONTROL
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3503411 |
PURE FLUID AUTOMATIC CARGO CONTROL SYSTEM
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3498311 |
APPARATUS FOR DISPENSING AND DELIVERING FEED ADDITIVES TO LIVESTOCK AND POULTRY
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3474815 |
FLUID PROPORTIONING AND BLENDING SYSTEM
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3465779 |
LIQUID PUMPING SYSTEMS
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3425668 |
DEVICE FOR AUTOMATIC FEEDING OF SIZE TO AT LEAST ONE SIZING MACHINE
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3378024 |
Blending control system
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3368525 |
Liquid developer system for photocopy machine
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3353549 |
Liquid flow control systems
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3345997 |
Chemical proportioning device and the like
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3337197 |
Carbonating apparatus
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3334651 |
Liquid level control
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3323534 |
Systems for controlling distribution of loads
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