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Patent Searching and Data


Matches 51 - 100 out of 2,517

Document Document Title
WO/2017/094097A1
The liquid delivery device has a primary-side pump and a secondary-side pump, wherein an outlet part of the primary-side pump and an inlet part of the secondary-side pump are connected together via a check valve. The device is provided w...  
WO/2017/090148A1
Provided is a liquid feed device comprising a plurality of plunger pumps fluidically connected in series or in parallel between a suction channel and a discharge channel, and a control unit for controlling the operation of the plunger pu...  
WO/2017/081242A1
The invention relates to a metering device for metering an easily combustible material, in particular acrolein acetal, from a source or a storage container (20) into a vacuum line (38), comprising: a displacement pump (26) operated via a...  
WO/2017/083802A1
A sequentially activated multi-diaphragm foam pump (206) for a foam dispenser includes a housing (204) with a liquid pump portion and air pump portion secured to the housing. The liquid pump portion has a liquid inlet (319), a liquid inl...  
WO/2017/077730A1
This liquid supply device 10a has a first liquid flow path 21 and a second liquid flow path 22 that connect a suction port 13 and a discharge port 14. The first liquid flow path 21 is provided with a first pump 25 and the second liquid f...  
WO/2017/064197A1
The invention concerns a hydraulic machine comprising: a casing (14); a differential piston (1) having an upper ring (23) and a lower base (27), suitable for sliding in reciprocating movement respectively in the casing and in a cylindric...  
WO/2017/061347A1
Provided is a syringe drive device that makes it possible to run a fluid stably into a microchannel. According to the present invention, a microorganism detection device that includes said syringe drive device is configured such that a s...  
WO/2017/053294A1
The present disclosure relates to apparatuses, systems and methods for pumping liquids. In particular, the present disclosure relates to apparatuses, systems, and methods comprising plunger pumps and uses thereof.  
WO/2017/021801A1
The invention relates to a monitored proportional metering device including a liquid metering pump (1) having an inlet (12), an outlet (13), a suction nozzle (16), and a mechanism (11) for adjusting the flow in the nozzle (16). Said mete...  
WO/2017/006255A1
A membrane pump (100; 101) comprising: a pump body (6) having a working chamber (16); a head (5), having a distribution chamber (15), said pump body (6) and said head (5) being coupled at a coupling surface (S) to delimit a pumping chamb...  
WO/2017/004634A1
Apparatus (16) for producing a mixture of at least one gas and at least one liquid plastic component, comprising a mixing device (17) that is connected, via a first pipe (18), to an introducing device (19) for the at least one gas and is...  
WO/2016/209991A1
An oblong diaphragm valve has curved surfaces carved into faces of a body and a plate. The curved surfaces have an oblong shape and define an oval or egg-shaped valve chamber when the body and the plate are joined and secured to each oth...  
WO/2016/207788A1
Bleed valve (400) having a longitudinal axis, the bleed valve (400) having an operative configuration wherein the longitudinal axis extends in a vertical direction, the bleed valve (400) comprising a one-way valve (404, 405, 406, 407), a...  
WO/2016/192933A1
The invention relates to a device (10) for conveying viscous material, in particular viscous adhesive or sealing substances, having a material chamber (12) which has a material inlet (14) and a material outlet (16), having a conveying pi...  
WO/2016/187525A1
A positive displacement pump for dispensing fluid includes a fluid body sub-assembly including a fluid body and a negating check valve. The negating check valve includes a negating body defining a dispensing opening. The fluid body and t...  
WO/2016/181314A1
The pump is intended for dosing a liquid (12) and comprises: a hollow body (14) delimiting an inner chamber (18) into which an inlet conduit (20) of the liquid (12) opens and from whose lower portion an outlet conduit (22) departs; a pis...  
WO/2016/153171A1
The present invention relates to a dispensing pump that is capable of rapidly dispensing a solution, such as a liquid synthetic resin, in a process of manufacturing electronics. The dispensing pump, according to the present invention, co...  
WO/2016/143173A1
[Problem] To provide a method of driving a constant volume pump, a device for driving a constant volume pump, a vaporizer and an anesthesia device with which it is possible to reduce pulsations of the constant volume pump, reduce the cos...  
WO/2015/184057A9
A pumping system with a pressure sensor positioned on the fill side and a pressure sensor on the dispense side to obtain and provide pressure information that can be used by a controller in determining various operating profiles. To avoi...  
WO/2016/119859A1
A pump for the transfer a predetermined total volume of fluid from a pump inlet to a pump outlet in a unit of time is calibrated by deriving a count of the number of times a volume of the fluid is transferred from a pump inlet (209a) to ...  
WO/2016/120822A1
Piston pump suitable to be installed on machines for dispensing fluid products, comprising a jacket (18), a piston device (19) mobile with alternate motion inside said jacket (18) and comprising a rod (21) and a head (20). The pump also ...  
WO/2016/118408A1
A vented pump includes a pump housing with a fluid retention cavity, a fluid inlet, and at least one vent opening therethrough. A pump dome is secured to the pump housing to form a dome cavity. Movement of the pump dome allows material f...  
WO/2016/113053A1
Casing (1) for a volumetric pump, said casing (1) comprising a wall (2) being in ceramic, characterized in that said wall (2) comprises at least one opening means comprising a recess (3), a through-hole (4) in the bottom of said recess (...  
WO/2016/097146A1
A pump system is disclosed. The pump system includes a cavity (102) comprising one or more inlet check valves (120, 122) and one or more outlet check valves (124, 126). A piston (104) having an enlargement (106) at a substantially middle...  
WO/2016/086959A1
A diaphragm pump (10), in particular for use as a detergent dosage pump, comprises a pump housing (12) with at least a first check valve (14) and a second check valve (16), a fluid chamber (18), a diaphragm (20) defining a wall of the fl...  
WO/2016/059551A3
A positive-displacement pump for fluid products, in particular paints, colorants and the like, comprises a pump body (2) in which there is formed a pumping chamber (3), in which a piston (5) is mounted for sliding and is controlled so as...  
WO/2016/034576A1
The invention relates to a displacement pump with a delivery chamber, which is connected to a pressure connection and a suction connection, and a displacement element that determines the volume of the delivery chamber and can be moved be...  
WO/2016/011868A1
Disclosed is a high-pressure water pump, comprising an upper pump body (1), a lower pump body (2), a water outlet valve (3), a water inlet valve (4), a plunger piston (41), a guide sleeve (42), a water inlet channel (52), a water outlet ...  
WO/2016/001187A1
The positive-displacement pump comprises a product-metering piston (28) slideably mounted inside a metering chamber (22), a barrel (14) at least partially delimiting an intake chamber (16) and an exhaust chamber (18) for the product, and...  
WO/2016/001186A1
The positive-displacement pump comprises a product-metering chamber (22), a metering piston (28) slideably mounted inside said chamber between a top dead centre and a bottom dead centre, a barrel (14) at least partially delimiting an int...  
WO/2015/184057A1
A pumping system with a pressure sensor positioned on the fill side and a pressure sensor on the dispense side to obtain and provide pressure information that can be used by a controller in determining various operating profiles. To avoi...  
WO/2015/183775A1
Exemplary two chamber foam pumps, refill units and dispensers utilizing the same are disclosed herein. An exemplary refill unit includes an inverted container having a neck located at the bottom of the container and a foam pump secured n...  
WO/2015/184056A1
Backlash in a precision system such as a pumping system can be reduced or eliminated with an anti-backlash device that has a first nut coupled to and fixed in relation to a piston. The first nut and a second nut may engage with a lead sc...  
WO/2015/170238A1
The invention relates to a device (1) for monitoring the operation of a dosage dispenser (2) which comprises a suction pipe (5) suitable for being plunged into the liquid additive (3) contained in a container (6), the monitoring device c...  
WO/2015/150908A1
Fluid pump (20) for pumping fluid in a sample separation unit (10), wherein the fluid pump (20) has a piston as first coupling body (202) which is arranged in a piston chamber (210) such that it can perform a reciprocating action for del...  
WO/2015/132645A1
The invention relates to a pump preferably comprising two pistons which are parallel and in opposition and are disposed in two, preferably cylindrical, cavities in a pump body, comprising at least one inlet port and at least one outlet p...  
WO/2015/127951A1
The invention proposes a piston pump (1) for delivering a reducing agent for the exhaust-gas aftertreatment of an internal combustion engine (5), the piston pump having at least one cylinder (7) which delimits a delivery chamber (9) of t...  
WO/2014/111770A8
Metering device for introducing a liquid additive into a stream of main liquid flowing along a pipe, comprising a pump (3) having a reciprocating differential piston for withdrawing the additive (A) from a container (2) and metering it, ...  
WO/2015/124375A1
The invention relates to a pump, in particular a high-pressure fuel pump (1) of a common-rail injection system, comprising a pump cylinder head (14) having a pump cylinder and comprising a pump push rod (10) that can be moved translation...  
WO2015120763A1
Disclosed are a method and device for injecting paste both in large amounts and in trace amounts by an automatic dispenser. The method comprises the following steps: (1) communicating channel A with channel B and injecting pigment paste ...  
WO/2015/109764A1
An electromagnetic metering pump, comprising an electromagnetic coil (1), a regulating screw (2), a spring (3), an urging rod (4), a connecting rod (5), a ceramic cylinder (6), a locknut (7), a belt cavity film (8), a liquid inlet channe...  
WO/2015/104654A1
The invention relates to a static mixer (M) for homogenising a mixture of at least two liquids, especially after injection of an auxiliary liquid (L1) into a main liquid (L), comprising: a closed container (1), with an inflow conduit (3)...  
WO/2015/105716A2
A dispensing pump (10) for liquids, viscous materials, foams, gels, etc. includes a resilient plastic skirt spring (18) so that the entire pump can be more easily recycled. The dispensing pump (10) includes a base portion (12), an inlet ...  
WO/2015/066355A4
A pump includes a check valve cartridge removably mounted to the pump. The cartridge includes an inlet check valve and a discharge check valve. A connector mounts intermediate the inlet check valve and the discharge check valve. The inle...  
WO/2015/066355A1
A pump includes a check valve cartridge removably mounted to the pump. The cartridge includes an inlet check valve and a discharge check valve. A connector mounts intermediate the inlet check valve and the discharge check valve. The inle...  
WO/2015/063668A1
A diaphragm (M) pump comprising a body (1) comprising a suction connection (2) and a discharge connection (3), a suction valve (4) and a discharge valve (5); a control chamber (6) in which the diaphragm (M) is disposed, and a working cha...  
WO/2015/052004A1
The invention relates to a rotary piston pump for one-time use made of plastic for screwing onto a fastening nozzle on a tubular bag, having two rotors (10), which are coupled to each other via gear wheels (11) and which can be driven in...  
WO/2015/054144A1
An in ovo injection apparatus is provided. Such an in ovo injection apparatus includes an injection assembly having a plurality of injection devices, each injection device being configured to pierce a respective avian egg. A selectable p...  
WO/2015/049021A1
A delivery device, with a delivery piston (27) which is movable in a pump chamber (31) by means of an actuation device (3) and which, in one delivery direction, removes fluid from a fluid line (35) in a pressure-reducing manner and, in a...  
WO/2015/049004A1
The device comprises a chamber (1) provided with an inlet (2) and an outlet (3); a piston (4) inside the chamber (1), the movement of which causes the exit of said substance; and a motor (5) with an output shaft (6) that drives the motio...  

Matches 51 - 100 out of 2,517