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Patent Searching and Data


Matches 201 - 250 out of 2,519

Document Document Title
WO/2009/073734A2
A device for metering fluids comprising a fluid chamber with one inlet or outlet port, at least one sidewall and a movable separator that is in contact with and separates the fluid in the chamber from the other components of the device, ...  
WO/2009/071643A2
The present invention relates to a device (1) for use in treating cigarettes with a tar and nicotine barrier- forming fluid comprising a housing (2) adapted to receive a cartridge (6) having stored therein a tar and nicotine barrier-form...  
WO/2008/028294A9
A concentrated flavour dispensing machine having displacement pumps for delivering between a fraction of a millilitre and a few ounces of fluids having a viscosity value between 1 to 4000 centepoise is described. The dispensing machine i...  
WO/2009/036363A3
A precision pumping system is disclosed. The pumping system includes an electric motor assembly powering a first drive shaft driving a first pump at a first flow rate and powering a second drive shaft driving a second pump at a second fl...  
WO/2009/012083A3
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...  
WO/2009/036363A2
A precision pumping system is disclosed. The pumping system includes an electric motor assembly powering a first drive shaft driving a first pump at a first flow rate and powering a second drive shaft driving a second pump at a second fl...  
WO/2009/024629A1
High-pressure polymer injection pump, constituted from a platform with an electric motor associated therewith, whose driveshaft drives an hydraulic pump submerged in a tank of hydraulic oil wherein is also installed a manually activated ...  
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...  
WO/2008/095205A3
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...  
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...  
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...  
WO2007119149A8
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 ...  
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...  
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...  
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...  
WO/2007/136905A3
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...  
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...  
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),...  
WO/2007/119149A3
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 ...  
WO/2008/024808A3
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...  
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 ...  
WO/2008/028294A1
A concentrated flavour dispensing machine having displacement pumps for delivering between a fraction of a millilitre and a few ounces of fluids having a viscosity value between 1 to 4000 centepoise is described. The dispensing machine i...  
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...  
WO/2008/009797A3
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 ...  
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...  
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...  
WO/2008/009797A2
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 ...  
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 ...  
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...  
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...  
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...  
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....  
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...  
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 ...  
WO/2006/096719A3
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...  
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 ...  
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...  
WO/2007/026315A3
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 ...  
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...  
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...  
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...  
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 ...  
WO/2007/045791A3
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...  
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...  
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...  
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 ...  
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...  
WO2006044468A3
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...  
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...  
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...  

Matches 201 - 250 out of 2,519