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Patent Searching and Data


Matches 351 - 400 out of 2,522

Document Document Title
WO/2000/064570A1
An apparatus and method are described for customising a cosmetic product, to a customer, at the point of sale. The apparatus includes a program for receiving external information on at least one of the customer's skin properties and conv...  
WO/2000/061945A1
The object of the invention is a pumping method and arrangement, in which at least two chamber pumps (A, B) are operated in order to achieve a constant output flow. In the pumping procedure and arrangement in question, the entry chamber ...  
WO/2000/056465A1
The invention concerns a pump comprising a cylindro-conical body (1) defining a metering chamber (10) closed in its bottom part by an inlet valve (11) and at its top part by a mobile piston (2) co-operating with plastic return means (3) ...  
WO/2000/047894A1
A constant volume suction and discharge device which can be used in a dispensing device and an automatic analyzer and is simple in structure, less in number of parts, high in reliability and accuracy, and low in cost, comprising a motor ...  
WO/2000/047895A1
A hydraulic machine comprising the following: an envelope (2); a differential piston (15) consisting of two parts (15a,15b) which have a different diameter and are able to move in two corresponding chambers (7,6); hydraulic switching mea...  
WO/2000/045963A1
The invention concerns a dispenser for chemically unstable products resulting from a mixture of at least two liquid and/or pasty constituents, comprising an external housing (1) containing at least two environmentally sealed sections (11...  
WO/2000/044420A1
An intravascular administration set (14) includes an axially actuated reciprocating pump head (98) having a pump head inlet (110) and a pump head outlet (112). An inlet tube (96) has a first end attached to the pump head inlet (110) and ...  
WO2000022298A3
A diaphragm metering pump (20) has an electromagnetic drive comprising a coil (28) and a movable armature (30). A shaft (40) connects the drive to the diaphragm (46). The electronic control consists of a pulser circuit (64) with the micr...  
WO/2000/041816A1
The present invention relates to a dispensing device (1) for a fluid (10), the dispensing device (1) comprising a reservoir (11), a shaft (12), a back seal (13), a damper (14), a piston (151) and a one-way valve (16), the back seal (13) ...  
WO/2000/039460A1
The invention relates to a fuel metering pump (1) of prior art comprising a solenoid coil (2), an anchor (3), a delivery piston (4) and spring-loadedalves. According to the invention, the spring-loaded valves are embodied as an electrica...  
WO2000008336A3
A pump includes a housing (12), an enlarged block (32), an inlet fluid conduit (28), an outlet fluid conduit (38) and a flexible diaphragm (46). The housing defines a chamber (14) having an inlet (16) and a spaced apart outlet (18). The ...  
WO/2000/031416A1
A pump controller and pump controlling method for dispensing a precise amount of low viscosity fluid are provided in which the problems of double dispenses and stuttered dispenses are avoided. In particular, the timing of the valves and ...  
WO/2000/025844A1
An improved pump is provided for controlled delivery of fluids wherein the pump includes a reservoir and a movable piston. A plunger slide is in removable contact with the movable piston. A motor is operably coupled to a drive member, su...  
WO/2000/025852A1
A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. A base is provided which is adapted to receive a reservoir. The base has a base engagement member, s...  
WO/2000/023712A1
A dispensing pump (10) includes first and second sleeve assemblies (11, 12). Each sleeve assembly includes a rotary valve (17) having an input and output position and a longitudinally displaceable piston (15, 16) that moves between a fir...  
WO/2000/022298A2
A diaphragm metering pump (20) has an electromagnetic drive comprising a coil (28) and a movable armature (30). A shaft (40) connects the drive to the diaphragm (46). The electronic control consists of a pulser circuit (64) with the micr...  
WO/2000/017459A1
A proportioning pumping system injects an injection fluid (A) into a pressurized conduit (C) flowing with a working fluid (B) at a constant proportion of injection fluid (A) to working fluid (B) regardless of changes in flow rate or pres...  
WO/2000/009270A1
Disclosed is a dosage dispenser for dosing at least two constituents that are conveyed from a receiving compartment allocated thereto via a respective pump unit (12a, 12b). The mixture ratio is adjusted via a transmission element (38), w...  
WO1999055468A3
The invention relates to a dosing dispenser (1) for multicomponent mixtures in which the components are accommodated in cartridges (14). A pump (18) is assigned to each cartridge (14). Said pump dips with the pump base thereof into an in...  
WO/2000/008336A2
A pump includes a housing (12), an enlarged block (32), an inlet fluid conduit (28), an outlet fluid conduit (38) and a flexible diaphragm (46). The housing defines a chamber (14) having an inlet (16) and a spaced apart outlet (18). The ...  
WO/1999/063217A1
The invention relates to a pumping device comprising a pump assembly (4) which is configured as a reciprocating piston pump. The pump displaces fluid by means of a reciprocating piston (6, 7). The inventive pumping device also comprises ...  
WO/1999/055468A2
The invention relates to a dosing dispenser (1) for multicomponent mixtures in which the components are accommodated in cartridges (14). A pump (18) is assigned to each cartridge (14). Said pump dips with the pump base thereof into an in...  
WO1998031935A9
A liquid pumping apparatus for pumping liquids, more specifically a linear peristaltic pump apparatus. The apparatus consists of a high durometer compressible elastomeric liquid flow tube (12), an infeed valve assembly (26), an outfeed v...  
WO/1999/019628A1
A dispensing unit for a fluid dispensing machine comprises at least an inlet duct (35) and an outlet duct (36) for fluid products, connected to a variable-volume pumping chamber (30) comprising at least one flexible wall (30a). Two non r...  
WO/1999/017019A1
A pumping device for feeding and metering liquids, in particular medical liquids, such as dialysis liquids, has a piston unit comprising a driving device and a piston, as well as a membrane unit comprising a membrane and a first chamber ...  
WO/1999/007462A1
The invention relates to a machine for filling the edge joints of insulating glass panes with a semiliquid to paste-like sealing compound. Said sealing compound consists of a main constituent and a secondary constituent which are differe...  
WO/1998/055199A1
A fluid delivery method and apparatus implementing active phasing to actively restore the substantially exact mechanical positions of driven components in a delivery system in order to precisely reproduce the mechanical signature and hyd...  
WO/1998/053777A1
An apparatus and method are disclosed that utilize piezoelectric materials as part of a delivery system capable of the rapidly repetitive dispensing of a fluid to an intended target site. In a particular embodiment, the apparatus contemp...  
WO/1998/053208A1
The invention relates to a solution for sealing the piston-cylinder unit (1, 2) of reciprocating diaphragm pumps which ensures that said piston-cylinder unit (1, 2) is permanently and reliably sealed while being simple to assemble. To th...  
WO/1998/040309A1
A condiment dispensing apparatus for dispensing condiments from a bag-in-box type container (108). There is a high durometer compressible elastomeric liquid flow tube (14), an infeed and outfeed thereto and therefrom, and a movable anvil...  
WO/1998/035888A1
The present invention relates to an aerosol dispensing apparatus, more particularly to aerosol dispensing valves (5) incorporating a controlled metered dispensing function wherein the metering chamber (7) holding the next aerosolized dos...  
WO/1998/031935A1
A liquid pumping apparatus for pumping liquids, more specifically a linear peristaltic pump apparatus. The apparatus consists of a high durometer compressible elastomeric liquid flow tube (12), an infeed valve assembly (26), an outfeed v...  
WO/1997/035659A1
Instead of a discontinuous mixing process for mixing two or more materials for a paint-spraying plant, the invention proposes a continuous mixing and conveying process including the relevant device. To this end, use is made of individual...  
WO/1997/033090A1
A metering pump (P) including a motor compartment (1) with a drive piston (2) movable within a drive chamber (3) having an inlet (4) and an outlet (5) for a main liquid, as well as control means (D) for controlling the movement of the pi...  
WO/1997/032128A1
The invention relates to a pump system for providing and maintaining a controlled outflow, comprising a couple of piston pump units (1a, 1b), having at least two cylinders (2a, 2b, 2c, 2d) each with a piston (3a, 3b, 3c, 3d) slidably arr...  
WO/1997/024529A1
A fluid delivery apparatus comprising two or more delivery syringes (17), each delivery syringe comprising a syringe housing (18) defining a tube with a passage having a fluid outlet, and a syringe plunger arranged to slide axially withi...  
WO/1997/003290A1
A membrane dosing pump (1) has a rotary driving motor (3) electrically connected to control electronics (4). The motor is controlled in such a way that at the beginning and end of each dosing operation the driven membrane preferably alwa...  
WO/1996/015370A1
The invention concerns a pump (10) for metering liquids out of a tank (18) into a delivery line (11), the pump having, fitted on the output side, an air-purge device (12) which is designed to separate off gas, in particular air, entraine...  
WO/1996/010697A1
A positive displacement pump for dispensing metered quantities of fluid. A piston (19') is located for reciprocating movement in a piston chamber (15) with movement in at least one direction being under the action of an applied fluid pre...  
WO/1996/005428A1
A direct action fluid motor (10) and injection pump (12) which injects small quantities of a secondary fluid into a primary fluid stream. A housing (14) having an inlet (18) and an outlet (20) connected to a primary fluid conduit. The ho...  
WO/1996/000363A1
A metering valve for lubricants, comprising a metering chamber (8) operatively connected with an inlet (6) and an outlet (7). A metering piston divides the chamber into a first and a second part (8a, 8b). A switching member (1) connects ...  
WO/1995/030491A1
Spray dispensing apparatus comprises primary (12) and secondary (16) reservoirs. Concentrate from the secondary reservoir (16) is mixed with diluent from the primary reservoir (16) and spray-dispensed. The secondary reservoir (16) is inc...  
WO/1995/030089A1
A single-piston, multimode fluid displacement pump comprising an elongated chamber, a piston reciprocally mounted within the chamber, a driving mechanism axially aligned with the chamber and piston for accurately positioning the piston w...  
WO/1995/024556A1
A first component of a fluid material is pressed out of a cartridge (C) which can be emplied by means of a press (P). The main component flows through a feeding line (8) to a discharge line (11), driving two rotors (31) mounted in the do...  
WO/1995/019932A1
The invention concerns a process and a device for the combined conveyance and volume measuring of liquids. The conveyance is performed by imparting an overpressure or, respectively, a negative pressure to the liquid by means of a pressur...  
WO/1995/014634A1
A fluid-driven proportioning pump (10) for dispensing precise volumes of at least two different fluids (X, Y, Z). A drive cylinder (72) is divided into first and second drive fluid chambers (166, 168) by a drive piston (140) that is prop...  
WO/1994/011710A1
The invention relates to a method and equipment for quantitatively dosing small amounts of liquid, especially in clinical or other similar wet-chemical analyzers. The dosing employs a liquid space (1) the volume of which can be changed a...  
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/1993/022556A1
The dosing arrangement comprises two first pumps (1, 2) and (1, 2') for a liquid medium B whose pistons (1, 1') are mutually connected by a piston rod (12), and two other pumps (3, 4) and (3', 4') for a liquid medium A which are position...  
WO/1993/010352A1
A mixing pump for liquids comprised of a pressure fluid driven two-chamber pumping unit (4, 9, 7) and a two-chamber feeding unit (6.14.15) for supply of an additive, which is to be mixed, in both of which the chambers are separated from ...  

Matches 351 - 400 out of 2,522