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8053249 Method of pumping fluid through a microfluidic device  
A method is provided for pumping fluid through a channel of a microfluidic device. The channel has an input port and an output port. The channel is filled with fluid and a pressure gradient is...
8019481 Flow rate ratio control device  
A flow ratio controller having: a main channel; branch channels branching from the end of the main channel; control valves respectively provided in the branch channels; a plurality of flow rate...
8002457 Process for blending refrigerants  
Disclosed are methods and systems for forming multi-component refrigerant compositions comprising: (a) introducing a first refrigerant component into a vessel at a first flow rate;(b) introducing...
7735749 Display fountain, system, array and wind detector  
A fountain (50) comprises a supply of water under pressure, a primary fluidic diverter (10) having an input (12) for said supply, and first and second outputs (16a, b) diverging from said input....
7673645 Gas delivery method and system including a flow ratio controller using a multiple antisymmetric optimal control arrangement  
The multiple antisymmetric optimal (MAO) control algorithm is disclosed for a gas delivery system including a flow ratio controller for dividing a single mass flow into multiple flow lines. In the...
7543595 Valve calibration method and apparatus  
An arrangement for calibrating a Venturi valve includes a source of flow measurements and a processing circuit. The Venturi valve has a variable shaft position and is operable to provide an air...
7424894 Method and apparatus for providing a determined ratio of process fluids  
A fluid flow control system that includes a fluid inlet to receive a flow of process fluid and a plurality of fluid outlets. The plurality of fluid outlets include a first fluid outlet and at least...
7389786 Ultrasonic and sonic odorization systems  
A system is shown for injecting a chemical, such as an odorant, from a chemical supply into a fluid containing system such as a natural gas pipeline or an LPG pipeline. A tank of odorant is...
7189580 Method of pumping fluid through a microfluidic device  
A method is provided for pumping fluid through a channel of a microfluidic device. The channel has an input port of a predetermined radius and an output port of a predetermined radius. The channel...
7189581 Method of obtaining a sample concentration of a solution in a microfluidic device  
A method is provided of obtaining a sample concentration of a solution in a microfluidic device. The microfluidic device includes a channel having a reservoir and a collection port. The channel is...
7155319 Closed loop control on liquid delivery system ECP slim cell  
A method for controlling liquid delivery in a processing chamber. The method includes generating an analog input (AI) signal proportional to a process variable and calculating an analog output (AO)...
7105096 Collection of sludge from the floor of a basin with multiple balanced-flow headers  
A method meets needs in material collection by significantly increasing the flow rate through headers that collect sludge without causing problems in priming. Telescopic pipes stay in a line...
7096877 Method of establishing at least one enveloped flow in a channel  
With a method of establishing an enveloped flow in a channel, in the channel an envelopment area (3) with a channel section (6, 7) is configured to which a stub with an outlet is connected, where...
7007707 Mass flow ratio system and method  
A system for dividing a single mass flow, including an inlet adapted to receive the single mass flow and at least two flow lines connected to the inlet. Each flow line includes a flow meter and a...
6899114 Device for the dilution and application of liquids  
A system and method for the mixing and the application of liquids to various surfaces. The system includes a primary tank having a liquid fill fitting, a gas fitting, and an outlet. A pressurized...
6895983 Method and apparatus for dividing the flow of a gas stream  
An apparatus for dividing the flow of a gas stream and a method for controlling the flow division of a gas stream are disclosed, the apparatus including an inlet conduit for receiving the gas...
6857441 Fluid metering device  
A fluid metering device that preferably includes a substantially linear series of intermeshing gears. The fluid metering device includes an inlet port adjacent the intermeshing portion of each pair...
6840256 Process and apparatus for supplying a gaseous mixture  
A method and apparatus for generating a non-flammable gaseous mixture from a first flammable gas and a second gas in which said first gas is flammable. Air may be extracted from the atmosphere or...
6840257 Proportional valve with shape memory alloy actuator  
A proportional valve is disclosed for controlling the outlet pressure of a fluid flowing therethrough. The valve comprises a valve body having an inlet port and an outlet port for the fluid. The...
6772781 Apparatus and method for mixing gases  
Provided are apparatuses and methods for mixing gases. The apparatuses are suitable for use in the manufacture of an electronic device. The apparatuses include a gas mixing manifold. A first, bulk...
6662817 Gas-line system for semiconductor-manufacturing apparatus  
A gas-line system used for a semiconductor-manufacturing apparatus with at least two reactors, includes at least one gas source; a flow-divider means including an input port on the primary side,...
6644333 Hand-held shower system with inline adjustable temperature/pressure balanced mixing valve  
A bathtub plumbing system including a hand-held shower controlled by a compact pressure balanced, volume and temperature controlled mixing valve. The pressure-balancing valve is installed in a...
6591850 Method and apparatus for fluid flow control  
The invention provides a method and apparatus to control fluids such as process gases into two or more substrate process chambers. In one aspect, the gas flow from a first supply to a first...
6571817 Pressure proving gas valve  
A pressure proving gas valve insures safe and efficient operation of a fuel-burning appliance by monitoring combustion air pressure and appropriately controlling the valve based upon this air...
6485632 Apparatus and method for reclaiming waste oil for use as fuel for a diesel engine  
An apparatus and method for reclaiming waste oil for use as fuel for a diesel engine. A mixing tank is provided, along with a waste oil transfer pump for supplying waste oil to the mixing tank, a...
6439253 System for and method of monitoring the flow of semiconductor process gases from a gas delivery system  
A flow monitoring system (14) for and method of monitoring the flow of processing gases in a wafer processing system (10) during the manufacturing of microelectronic devices. The wafer processing...
6418954 System and method for dividing flow  
A system for dividing a single flow of gas into two or more secondary flows of known, precise values, without requiring a high upstream pressure. The system includes an inlet for receiving the...
6374845 System and method for sensing and controlling beverage quality  
Disclosed is a method of automatically sensing and controlling beverage quality for soft drinks from a fountain dispenser, for example, comprising the steps of supplying a first fluid, such as...
6371147 Evaluation and regulation of the thermal power of a flow of combustible gas; characterization of a thermal mass flowmeter  
The subject of the present invention is: processes for the evaluation and the regulation, to a value P0, of the net (or gross) thermal power P of a flow of a combustible gas CG of composition close...
6367497 Control system for on-off valves resulting in proportional response  
A valve control system (10) for achieving proportional response using inexpensive on-off valves (16) commonly used in machine and robotic applications and other pneumatic/hydraulic systems. A...
6253779 Blending system and method using an auxiliary measuring device  
A system for blending two-blend components to form a blended final product including a first supply line for supplying a first blend component at a first flow rate and a second supply line for...
6250324 In-line venturi  
An apparatus for inserting a venturi tube having an inlet, an aspirator inlet and an outlet directly within a fluid flow stream, with the aspirator inlet not in contact with the fluid flow stream...
6148839 Apparatus and method for injecting liquid additives into agricultural and industrial water supplies  
An apparatus and method for injecting a liquid product or chemical into a main water supply line used for agricultural or industrial purposes. A pressure regulating bypass valve has an inlet side...
6129104 Method for automotive dose control of liquid treatment chemicals  
A method for controlling the addition of liquid treatment chemicals by automatic dose control. The calculation of the amount of chemical to be dosed into the system combines signals from a liquid...
6116259 Method and apparatus for measuring and adjustably controlling vapor-liquid mixing ratio at pipe junctions  
Methods and apparatus are disclosed for adjusting, measuring and controlling the vapor/liquid ratio of wet steam in the output line of a pipe junction in a two phase fluid flow line. The vapor...
5904170 Pressure flow and concentration control of oxygen/ozone gas mixtures  
A system for controlling pressure flow and concentration Of O3 /O2 positions a thermal MFC upstream from an ozone generator to avoid the adverse effects of ozone on the thermal MFC. A flow...
5899219 Ratio mixing valve and method for controlling dither in same  
A ratio mixing valve for mixing first and second fluids in a constant volumetric ratio regardless of variations of supply pressures of the two fluids. The valve has an inlet passage for the first...
5887583 Mass flow control system and method for asphalt plant  
As electronic programmable valve positioning linkage for a burner used in a hot mix asphalt plant is associated with fuel, air and optionally flue gas recirculation valve motors. To avoid an...
5881756 Process and apparatus for homogeneous mixing of gaseous fluids  
A process and apparatus for premixing a gaseous fuel and air, the apparatus comprising a back plate having a plurality of back plate openings, a front plate having a plurality of front plate...
5838587 Method of restricted space formation for working media motion  
The present invention provides a method of restricted space formation for working media motion that can be used to design flow channels for flow of different working media (liquid or gaseous) in...
5765585 Sample decade dilution system and procedure  
The method and apparatus of this disclosure are directed to a system for diluting a sample gas. For example, the sample gas may carry excessive water which creates difficulties in analysis. The...
5632295 Method and an apparatus for adding a melodorant to a consumer gas  
An arrangement for adding an odorant to a consumer gas which is distributed to a consumer site, in order to indicate to people in the vicinity of the risk of fire, explosion, poisoning, suffocation...
5507307 Method and apparatus for recycling waste lubrication oil for reuse as fuel oil  
A method for recycling waste lubrication oil for use as fuel oil includes pumping new fuel oil from a source and monitoring the flow rate of the new fuel oil; pumping waste oil from a source...
5179970 Beverage dispensing valve  
A postmix beverage dispenser valve including a fluidic oscillator flowmeter in conjunction with a master controller and a flow control valve such as a proportional solenoid. The frequency of the...
5067506 Flight craft with fluid systems which incorporate butterfly valves, and butterfly valve methods and apparatus  
A method for facilitating control of a butterfly valve, butterfly valves (40, 180) adapted for use with the method, and a fluid system (242) incorporating such valves are disclosed. All three use...
4993447 Pressure-regulating method and apparatus  
A pressure-regulating device for controlling fluid pressure flow from a source to two fluid pressure-operated devices (40, 50) includes first and second pressure regulators (22, 24), each having an...
4915689 Parenteral delivery system comprising a vial containing a beneficial agent  
A parenteral delivery system for delivering a beneficial agent is disclosed. The delivery system comprises a reservoir containing a medical fluid, a vial containing a beneficial solid agent, and a...
4838295 System for controlling mass flow rates of two gases  
A control system for internal combustion engines, including a first conduit for the flow of intake air, and a second conduit for the flow of natural gas to be mixed with the air for combustion. The...
4704140 Procedure and means for use in pumping and volumetry of foodstuff liquids  
The invention concerns a procedure and a means for use in pumping and volumetry of foodstuff liquids. According to an embodiment of the invention, the foodstuff liquid is conducted through a...
4458708 Fluid distribution system  
A water distribution apparatus employs a self-positioning water flow actuated rotor for serially channeling water flow into each of a plurality of outlet conduits from a common source of water...
Matches 1 - 50 out of 82 1 2 >