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WO/2009/012083A2 |
A pump for use in handling one or more different process fluids includes a plurality of pumping chambers having a process fluid inlet and a process fluid outlet, process fluid outlet coupled to a process fluid valve on each pumping chamb...
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WO/2008/115746A1 |
A positive displacement dosing system is disclosed. The system includes a plurality of disposable positive displacement pumps. The disposable positive displacement pumps each include a pump body having head portion and a base portion, wi...
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WO/2008/115748A1 |
A disposable positive displacement pump is disclosed. The pump includes a pump housing having head portion and a body, the head portion having one or more fluid passage openings. The pump also includes a rolling diaphragm internal to the...
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WO/2008/095205A2 |
A system for controlling a piston pump to deliver a predetermined member of pumping strokes wherein, for each stroke, an index component is moved by a defined extent which is monitored by a sensor and, once the index component is at a co...
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WO/2008/090139A1 |
Metering pump Metering pump of the membrane syringe type, in particular for injecting a liquid additive into a fuel tank, the pump comprising a hollow pump body, arranged in which are : - a membrane dividing the inside of the pump into a...
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WO/2008/090137A1 |
Process for injecting a liquid additive in to a fuel tank using a metering pump. The metering pump comprises a metering chamber and an actuating device. The metering chamber is in communication with an inlet port connected to an additive...
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WO/2008/058558A1 |
The invention refers to a diaphragm pump (1) for use as a detergent dosage pump. The diaphragm pump (1) according to the invention comprises a pump housing (2), a working fluid chamber, at least one intake (3), at least one outlet (4) an...
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WO/2008/058571A1 |
A pumping apparatus (200) for delivering liquid at a high pressure (Psys) at which compressibility of the liquid becomes noticeable, comprises a piston (20) adapted for reciprocation in opposing directions in a pump working chamber (30),...
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WO2008009797B1 |
The pump unit according to the invention is formed by assembling a pump module (9) comprising a body having a cavity (10) forming a working chamber, a translationally mobile piston (15) engaging leaktightly in the cavity (10) via a seal ...
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WO/2008/030180A2 |
The invention relates to a metering pump for feeding out viscous materials, which pump comprises a housing having an inlet, connectable to a viscous material source, and an outlet; a valve body of cylindrical basic shape, which is rotata...
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WO/2008/024808A2 |
A delivery device includes a durable housing portion (22) and a separable disposable portion (20) that selectively engage and disengage from each other. The disposable housing portion secures to the patient-user and may be disposed of af...
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WO/2008/022107A1 |
A self-cleaning process fluid valve assembly for dispensing of process liquids used in semiconductor fabrication processes comprises a valve for selectively flowing solvent from a solvent source through a dispense control valve and dispe...
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WO/2007/146955A2 |
The present invention relates to the removal of grease collected in a hydro-mechanical grease interceptor via a pump which may be activated by a programmable timer. In an embodiment, a hydro-mechanical grease interceptor includes a tank ...
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WO/2007/135779A1 |
A mixing pump device (1) used for fuel cells etc. has two inflow paths (51, 52), inflow side active valves (21, 22) arranged at the two inflow paths (51, 52), respectively, a pump chamber (11) into which liquids flow via each of two infl...
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WO/2007/136905A2 |
A pumping system for pumping one out of a number of fluids with varying viscosities. The pumping system may include a positive displacement pump and a control for operating the positive displacement pump. The control may include viscosit...
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WO/2007/135778A1 |
A mixing pump device (1) used for fuel cells etc. has two inflow paths (51, 52), inflow side active valves (21, 22) arranged at the two inflow paths (51, 52), respectively, a pump chamber (11) into which liquids flow via each of two infl...
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WO/2007/133111A1 |
The invention relates to pumping plants of processing equipment and can be used for the accurately metered supply of two and more components of a working body (medium, fluid, fluid mixtures etc) to an actuator at a high and low pressure....
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WO/2007/123165A1 |
A metering pump device capable of performing a fixed amount of discharge with a high accuracy even if a pressure difference occurs between outflow side valves. In the metering pump device (1), two reciprocating pump devices (10A, 10B) ar...
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WO/2007/119149A2 |
A device for dosing amounts of liquid in desired volumes, comprises piston means (3) movable in a cavity (4) of casing means (2) for collecting an amount of liquid from an inlet (12) of said casing means (2) and directing said amount of ...
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WO/2007/094132A1 |
A mixing pump (1) performs a correction process for displacing a displacement member (17) in the direction of decreasing the internal volume of a pump chamber (2) when transition is made from a suction process to a delivery process, and ...
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WO/2007/094131A1 |
A mixing pump (1) in which a stepping motor (12) rotates in a first direction during a suction process and therefore a plurality of kinds of fluid can be sucked into a pump chamber (2) at specified ratios by closing active valves (6a, 6b...
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WO/2007/080249A1 |
Hydraulic machine, in particular a hydraulic motor, comprising: a casing (1); a piston (4) which can slide in the casing, the piston separating two chambers (8, 9); hydraulic switching means (C) for supplying liquid to and for evacuating...
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WO/2007/080737A1 |
A fluid discharge device (10) having a discharge mechanism (18) provided with a cylinder container (16) and a servomotor (40), an inlet-side valve (20), and an outlet-side valve (22). When the inlet-side valve (20) is open, grease is sta...
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WO/2007/080250A1 |
Hydraulic machine, in particular hydraulic motor, comprising a casing (2) with a body (3) and a cover (4); a separation means (M) which can make a reciprocating movement and defines two chambers (5, 6); hydraulic switching means (C) comp...
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WO/2007/080251A1 |
Hydraulic machine, in particular hydraulic motor, comprising a casing, a differential piston (4) having a region of large cross section and a region of smaller cross section, which can slide with a reciprocating movement respectively in ...
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WO/2007/045791A2 |
The invention concerns a fluid product dispensing pump designed to be associated with a fluid product reservoir (60), said pump comprising a pump body (10), a pump chamber (20), and at least one first piston (72) sliding in said pump cha...
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WO/2007/028322A1 |
A quantitative hose dispenser is convenient for use, including a hose, in the outlet of which is located a screw-cap. A brush seat is mounted into the middle part of the orifice of the screw-cap. A hollow discharge tube is disposed in th...
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WO/2007/026315A2 |
An apparatus (10) and method for combining multiple materials into a stream. The multiple materials may include both a major material and one or more minor materials. The minor materials are added using inlet tubes (141) . The major and ...
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WO/2007/007365A1 |
Device for driving an electromagnet (4) for operating a pump, as well as the related method and the related dosing electromagnetic pump, the electromagnet (4) comprising a primary winding (3) and a moving element (9), capable to be attra...
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WO/2006/125671A1 |
The invention relates to a device and to a method for transporting liquids, preferably, for transporting medicinal liquids. Said device comprises at least one pump which is embodied as a positive-displacement pump, in addition to at leas...
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WO/2006/115590A1 |
A metering pulse pump for metering an additive liquid into a liquid carrier under high pressure includes a rapidly reciprocating piston pump having a number of pumping chambers and having an inlet connectable to a source of liquid and an...
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WO/2006/100979A1 |
A shot pump (100) capable of sucking a carried material from an inlet (103) and discharging it from an outlet (104) by reciprocatingly moving a piston (102) from one end to the other end of a cylinder (101). The ratio of a clearance (&dg...
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WO/2006/096719A2 |
A precision fluid dispensing system containing a two-piece pump and a precision closed loop controller drive system to address the small volume precision dispensing requirements of bioscience applications. A multiple diameter pump can be...
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WO/2006/087036A1 |
A pumping apparatus (1) adapted for delivering fluid against pressure. The pumping apparatus has a plurality of metering devices (3,5) adapted for metering a plurality of different fluids, and has a booster device (7) adapted for increas...
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WO/2006/087037A1 |
A pumping apparatus adapted for blending at least two different fluids and for delivering the blended fluid against pressure is suggested. The pumping apparatus has a plurality of metering devices a plurality of metering devices adapted ...
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WO/2006/078018A1 |
A liquid discharging device (1) has a needle (333) concentrically placed in a container (4), a measuring plunger member (323), and a dive mechanism for driving an inlet valve member (313). The drive mechanism has a piezoelectric element ...
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WO/2006/072445A1 |
The invention relates to a dosing pump assembly which is used to mix a liquid reducing agent to an exhaust gas flow, which comprises a pre-mixing device (39) wherein the introduced reducing agent is mixed with the compressed gas in a mix...
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WO/2006/072444A1 |
The invention relates to a dosing pump assembly which is used to mix a liquid reducing agent to an exhaust gas flow, which comprises a dosing pump (2) which is used to transport the reducing agent and a pre-mixing device (39) wherein the...
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WO/2006/044468A2 |
A multiple port, dual diameter piston fluid dispensing pump which includes multiple input and output ports accessed by rotating at least one of the pistons and a dual or multiple diameter piston or set of pistons that cooperate so that t...
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WO/2006/035488A1 |
A constant volume conveyor capable of carrying a fluid at a fixed rate as set beforehand even if a flow is low and a reciprocating pump used for the conveyor. When a set flow is equal to or more than a specified value, the pump is drivin...
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WO/2006/034898A1 |
The invention relates to a device for filling doses of a liquid. Said device comprises a pump block (14) provided with a liquid supply channel (42). In said pump block, at least one filling track is configured and comprises a filling noz...
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WO/2006/017187A1 |
Precision dispense pumps comprise a housing that has an internal chamber disposed therein. A pressurizing assembly disposed within the chamber and includes a cylindrical pressurizing member having a head, a thin-walled skirt extending ax...
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WO/2006/016032A1 |
The invention relates to a dosing device for introducing an additive (A) in to a main liquid flow (L) in a conduit comprising a reciprocating differential piston pump (2) which is used for collecting and dosing the additive (A) from a co...
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WO/2006/003297A1 |
The invention relates to an airless dispensing pump for liquid products. The inventive pump is characterised in that it consists of: a push button (1) comprising a spray nozzle (P) which communicates with a network of channels that is pr...
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WO/2005/108849A2 |
The invention relates to a metering pump (1), especially for lubricants, and to a method for the long-term lubrication of a lubrication point (16) preferably over several years. Said metering pump (1) is provided with at least one meteri...
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WO/2005/078280A1 |
A feeding pump device of bulk tube continually metering type comprises: a bulk tube (1) provided with metering volume section (11), a drive mechanism (2), and an unilateral inlet valve (8) and an unilateral outlet valve (7). Said bulk tu...
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WO/2005/036046A1 |
The invention relates to a grease handling system for grease dosing devices (10) comprising a plurality of portable grease storage tanks (12), a container pump (14), a plurality of filling-extracting stations (16) connectable to the cont...
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WO/2005/024219A1 |
Dosing pump for a liquid additive in the fuel of a heavy fuel engine, said pump comprising a piston (3), a cylinder (1) and an actuator (7) for moving the piston (3) axially in the cylinder (1), said actuator (7) being a high resolution ...
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WO/2005/017356A1 |
A servo driven dispensing pump is provided for dispensing a precise quantity of liquid. The dispensing pump includes an inlet for receiving a supply of liquid, an outlet for dispensing a metered amount of liquid, and a flow control valve...
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WO/2005/015018A1 |
Metering device (1) in particular for metering an additive (2) in the field of oil exploration with a metering element (4) adjustable by an adjusting means. To improve such a metering device in that already with minimal movement of the a...
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