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Patent Searching and Data


Matches 551 - 600 out of 2,017

Document Document Title
WO/1996/014144A1
The present invention is directed to methods and apparatus for effectively proportioning a mixture of compressible and non-compressible fluids, wherein the resulting mixture has an almost constant density. The present invention is partic...  
WO/1996/004547A1
A microchip loboratory system (10) and method provide fluidic manipulations for a variety of applications, including sample injection for microchip chemical separations. The microchip is fabricated using standard photolithographic proced...  
WO/1995/034851A1
A process for controlling the continuous metering of multiple additives into a product flow in sequence through a single flowmeter is disclosed and claimed. The process includes continuously measuring the rate of a product flow. In respo...  
WO/1995/026316A1
Apparatus for blending at least two liquids, such as two different grades of petrol to provide a blended grade, has pumps (13 and 23) arranged to draw liquid from two separate tanks (11 and 12). The supply lines (16 and 17) from the pump...  
WO/1995/023366A2
A fuel additive system is disclosed which comprises a sensing device for determining the flow rate of fuel into the system and for generating a signal in dependence upon the fuel flow rate, a control system for conditioning the signal to...  
WO/1995/021406A1
Apparatus and a method for precision batch or continuous flow blending of gases are described. Pulsatile precision gas metering valves (15a-15d) having essentially zero dead space are employed to introduce gases to a mixing chamber (20) ...  
WO/1995/021059A1
Methods and apparatus for recognizing a change in state of a material (12), such as the completion of a polymerization reaction, by monitoring voltage across a pair of electrodes (16, 18) in contact with the material (12) while the chang...  
WO/1995/013573A1
The proportioning valve (10) has a main through passage (11) which is closed by a valve member (18) which is a sliding fit in a valve aperture (22). Movement of the valve member (18) between an open and a closed position is controlled by...  
WO/1995/004892A1
A mixing valve housing (1) containing two separate inlet chambers (5, 7) and a plurality of valve units (25) which are individually operated from remote positions provides mixed fluid through outlet lines (13) from the individual valve u...  
WO/1995/001816A1
A system, for supplying water, compressed air, and foam chemical to produce a fire stream of an aerated foam, comprises a fire pump (10), an air compressor (12), a conduit (24) wherein foam solution is formed from the water and the foam ...  
WO/1995/000892A1
A system for injecting chemicals, e.g. odorants, from a chemical supply into a gas pipeline (60) includes three primary components, a pump (30) for injecting the odorant, a metering device (32), and a programmable controller (40). The co...  
WO/1994/024480A1
The invention relates to method and means for addition of odour component to gasline system for consumer gas. A carrier gas (2) is saturated with an odour component by conducting the carrier gas through a container (3) with liquid odour ...  
WO/1994/021364A2
System for feeding a solid into a liquid that is able to dissolve this solid, said system being provided with a container (1) for the liquid and, inside said container, with a receptacle (4) for the solid.  
WO/1994/017464A1
A modular control, provided for sensing characteristics of a fluid and controlling the dispensing of additives into said fluid, is contained in a box-like housing (22) having an openable wall (34) which is sealable to a remainder of said...  
WO/1994/007570A1
A system for supplying compressed air and foam, to produce a fire stream comprising an aerated foam, includes a fire pump (10), an air compressor (12), a foam proportioner (14), a venturi (16), and a control (20) for automatically mainta...  
WO/1994/004286A2
A system for dispensing mixed beverages has a processor (6) to control the liquid dispensed at an outlet (2) in dependence upon the demand of a user as input to a keypad (8). Carbonated water is fed to the outlet (2) by way of tubing (12...  
WO/1994/004257A1
Apparatus (10) for delivering a metered quantity of additive liquid from a container (12) to a carrier liquid such as water supplied by pipe (16) comprises a fluid motor (18) driven by the flow of carrier liquid and a peristaltic pump (2...  
WO/1993/022714A1
A device for mixing water supplied to a common outlet from sources of hot and cold water. The device includes: first electrically operable valve means for controlling the supply of cold water to the common outlet; second electrically ope...  
WO/1993/014452A1
A control system is described for the supply of a gas mixture having a selected ratio of constituent gases. The system comprises sources (110a, 120a) of at least two pressurized gases, a mixing zone (117) for the gases, a control device ...  
WO/1993/004361A1
The invention concerns a method of determining the concentration of an iodine/iodide-containing active substance in aqueous solutions intended for use in the cleaning or disinfection of containers such as bottles, drums, kegs, cases and ...  
WO/1993/000625A1
The present invention provides a computer-controlled, module type, multipurpose synthesizer which contains a liquid flow control means by which the flow of reactants and solvents into the liquid flow control means is controlled by negati...  
WO/1992/013582A1
A method and a device designed to suck and to convey various types of liquids through a suction hose (45) and at the same time dose (4) an additive to the liquid in an accurate proportion to the amount of the sucked liquid, a liquid or a...  
WO/1992/013581A1
A method and a device of sucking and conveying various types of liquids and, without adding any air of any other gas or gas mixture to the liquid, to collect the liquid in a closed container or receiver (32), or to directly transfer the ...  
WO/1992/011082A1
The present invention is a post-mix beverage dispensing valve for accurately maintainig the proper ratio of two liquid beverage components. The present invention includes a valve main body (12) having a gear pump (60) secured thereto. Th...  
WO/1992/008178A1
The invention relates to a method and an apparatus for realizing, in tapping of liquid, a continuous liquid flow at a controlled temperature. The apparatus includes at least two part mixers (1, 2) which, upstream, are connected to a supp...  
WO/1992/003771A1
A cleansing agent, for example water, for an internal combustion engine is added in proportion to the flow rate of the fuel, air or fuel/air mixture supplied to the engine. The addition is controlled by a fluid flow sensor (10) which pro...  
WO/1992/001980A1
A filling device (1) allows adjustable quantities of water for domestic use to be tapped from water pipes. The device has a pipe space (2) with an outlet port (8) and a stop valve (3), as well as a liquid quantity counter (4) and a contr...  
WO/1991/016769A1
This invention relates in general to high-quality low bit-rate digital transform coding and decoding of information corresponding to audio signals such as music signals. More particularly, the invention relates to signal analysis/synthes...  
WO/1991/015719A1
A system adapted for removable placement in a security enclosure fitted into the wall of a refrigerated container (1) for respiring perishables, and for monitoring and controlling (100), continuously and dynamically, over a programmed, d...  
WO/1991/010177A1
The control method is directed to a quality characteristic of the process material, typically to its outlet concentration. In control of the actuator which is a part of feedforward or feedback control of outlet concentration, one takes a...  
WO/1991/005733A1
Process for the improvement of the sulphur yield of an assembly which produces sulphur from from H2S and which consists of a sulphur plant (1), an oxidation and hydrolysis unit (2) and a purification unit (3). Said sulphur plant (1) in p...  
WO/1990/014303A1
A multiflavor beverage dispenser comprises a microprocessor system (CB) for controlling the ratio of diluent to concentrate of a post-mix beverage. The system includes a compact flow rate control module (22) for selectively controlling t...  
WO/1990/013859A1
A liquid is supplied to a vessel (10) to form a pool (21) from which it discharges through a venturi. A supply pipe or pipes (12, 30) convey other liquids and/or gases from separate sources or from above the liquid pool into the venturi ...  
WO/1990/013511A1
An apparatus for blending two gases together in precisely adjustable proportions. The apparatus includes a mechanically adjustable, blending subassembly adapted to receive the first gas (12) at a predetermined pressure, and a one to one ...  
WO/1990/011964A1
The invention relates to beverage dispensers of the type which proportionally mixes syrup and water. The problem associated with these types of dispensers is that variations in fluid pressure and viscosity can vary which results in an in...  
WO/1990/011960A1
A fluid-driven proportioning pump (10) dispenses precise volumes of three fluids, includes a drive cylinder (12) housing a drive piston (40) which divides drive cylinder (12) into drive fluid chambers (106, 108). From each face of drive ...  
WO/1990/009022A1
A transform encoder/decoder system employs a discrete transform, carefully designed analysis/synthesis window pairs, adaptive transform coefficient quantization, and adaptive bit allocation to encode high-quality music including broadcas...  
WO/1990/009064A1
A low bit-rate (192 kBits per second) transform encoder/decoder system (44.1 kHz or 48 kHz sampling rate) for high-quality music applications employs short time-domain sample blocks (128 samples/block) so that the system signal propagati...  
WO/1990/005946A1
A control system (20) and method for chemical injectors (40) includes a controller (45) which outputs multiple feed set point signals and associated driver signals, each set point signal defining a desired injection capacity for a chemic...  
WO/1990/003604A1
A mixing valve includes a volume control valve (48), a pressure proportioning valve (82), and a thermostatic valve assembly (114, 130) within a single modular housing. The housing is rotatably mounted in a valve body and houses the propo...  
WO/1989/012010A1
The field of the invention is an apparatus for blending two gases together in precisely adjustable proportions. While the advantages of using a gaseous mixture of nitrogen and carbon dioxide in dispensing beer have been known for some ti...  
WO/1989/007294A1
A cosmetic dispensing system (11) for blending selected cosmetic additives (86) into a cosmetic base is provided. The system includes a plurality of storage containers (27) for storing the additives; a pumping system (89) for transferrin...  
WO/1989/003554A1
A liquid flow control device (20) comprises a variable orifice (28/30) in a conduit (15), and branch lines (41, 42) above and below a flow restriction, which may be the variable orifice itself. The orifice is controlled to maintain a pre...  
WO/1989/000736A1
A system for blending low and high octane gasoline includes independent flow paths for each fuel between a supply source and a composite blend manifold (39) and nozzle (41) assembly, with the rate of flow of fuel in each flow path being ...  
WO/1989/000624A1
This publication discloses a method and an apparatus for controlling the production of refined stock. According to implementation of the invention, chips are metered by metering elements (3, 7) into a feed chest (2), feed elements (3, 7)...  
WO/1988/009006A1
A liquid additive injection pump has a hydraulic motor comprising a differential piston assembly reciprocable in a housing under the urging of a primary liquid into which an additive is to be injected. The piston assembly (30, 224) inclu...  
WO/1988/007188A1
An apparatus and method for controlling the liquid/gas ratio in a fluid flowing through a pipe. A weighing tube (1) is flexibly connected in the pipe, and means are provided for emulsifying fluid within the tube (1). The tube (1) is supp...  
WO/1988/004412A1
The flowmeter comprises an alternating hydraulic displacement motor (1) which allows measurement of the flow rate in both a continuous and precise manner (reproducible measurement accuracy < 0.1 %) and which, because of its excellent reg...  
WO/1988/004278A1
A device (10) for accurately transferring multiple individual fluids from multiple source containers (12) into a single receiving container (24). Fluid flows from the multiple source containers through individual fluid conduits (16) to a...  
WO/1988/004225A1
The device comprises respectively in a container space (43, 44, 45, 46) flexible displacement elements (1, 2; 47, 48, 49, 50) which subdivide each space of the container (43, 44, 45, 46) into a component space (12, 13; 51, 52, 53, 54) an...  

Matches 551 - 600 out of 2,017