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WO/2010/132372 |
In one embodiment of the disclosure, a dish insert may be installed in a pump head such that the dish insert may be removed from the reagent head side of the pump head. Port holes permit movement of hydraulic fluid through the dish inser...
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WO/2010/132372 |
In one embodiment of the disclosure, a dish insert may be installed in a pump head such that the dish insert may be removed from the reagent head side of the pump head. Port holes permit movement of hydraulic fluid through the dish inser...
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WO/2010/118740 |
The invention relates to the pulsation-free volumetric delivery of fluids and suspensions and is suited both for large laboratory applications, such as the recirculation of cell suspensions in closed fermenters, and for the pulsation-fre...
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WO/2010/082201 |
A dosing pump comprises an inlet for a solvent, an injection device for an additive, a reciprocating main piston for mixing the solvent with the additive during a suction stroke and for discharging the mixture from an outlet in an evacua...
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WO/2010/076447 |
The invention relates to an adjustable pistol positive-displacement pump (1) including a gripping handle butt (2) and a barrel (5) including at least one pump tank (6), a piston (9) mounted so as to axially slide within the tank, and a m...
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WO/2010/076243 |
The present invention relates to a pump arrangement comprising two pump units, each pump unit comprising a pumping cylinder, a reciprocally movable pumping piston, said pumping piston delimiting a pumping chamber in the pumping cylinder ...
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WO/2010/076447 |
The invention relates to an adjustable pistol positive-displacement pump (1) including a gripping handle butt (2) and a barrel (5) including at least one pump tank (6), a piston (9) mounted so as to axially slide within the tank, and a m...
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WO/2010/015279 |
A solvent supply system for supplying a composite solvent is described. The solvent supply system comprises a first supply flow path with a first pump unit, the first supply flow path being adapted for supplying a flow of a first solvent...
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WO/2010/015472 |
The invention relates to a pump (100) for conveying a fluid, having a predetermined output, comprising at least one first (110) and one second (120) pump unit. An inlet valve (116; 126) for controlling the fluid flow to a respective cyli...
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WO/2010/015743 |
The present invention relates to an axial-flow motorized pump, comprising a free piston (3) configured to supply a dose of water into a supply duct (40) integrated into a cylinder block (4) and connected to a water outlet (5), characteri...
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WO/2009/132494 |
A metering pump includes a pump sleeve (3) and a pump body (2) slidably mounted in the pump sleeve (3), a plunger (1) is arranged in the chamber of the pump body (2), a flow guiding hole communicated with the chamber is provided in the s...
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WO/2009/118463 |
The invention relates to a dosing pump (1) especially for a product which is to be pumped and dosed and has a more or less pasty, especially heterogeneous and fragile, consistency, comprising, along an axis (6): a cylinder head (7) havin...
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WO/2009/076429 |
The continuous fluid delivery systems includes a fluid pumping device comprising a pump housing comprising a base member with a plurality of inlet ports and at least one outlet port and at least two pairs of opposing pistons movably asso...
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WO/2009/076429 |
The continuous fluid delivery systems includes a fluid pumping device comprising a pump housing comprising a base member with a plurality of inlet ports and at least one outlet port and at least two pairs of opposing pistons movably asso...
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WO/2009/071643 |
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...
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WO/2009/071643 |
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...
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WO/2009/073734 |
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, ...
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WO/2009/036363 |
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...
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WO/2009/036363 |
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...
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WO/2009/024629 |
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 ...
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WO/2009/012083 |
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/2009/012083 |
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/2008/115746 |
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/2008/115748 |
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/2008/095205 |
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/2008/095205 |
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/2008/090137 |
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/2008/090139 |
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/2008/058558 |
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/2008/058571 |
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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WO/2008/030180 |
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/2008/028294 |
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...
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WO/2008/028294 |
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...
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WO/2008/024808 |
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/2008/024808 |
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/2008/022107 |
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/2008/009797 |
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/2008/009797 |
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/2007/146955 |
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/2007/136905 |
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/2007/135778 |
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/2007/136905 |
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/2007/135779 |
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/2007/133111 |
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/2007/123165 |
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/2007/119149 |
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/2007/119149 |
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/2007/094131 |
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/2007/094132 |
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/2007/080249 |
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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