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WO/2009/037118A1 |
The invention relates to a device for metering and feeding liquid substances, particularly liquid dyes for plastic melts. The liquid substances are held in a plurality of tanks, which interact with at least one primary pump for the meter...
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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...
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WO/2009/030793A1 |
The invention relates to a pressure-intensifying mechanism consisting of two chambers mounted one inside the other and including two cylinders and two pistons which are interconnected in a particular manner between the two chambers and w...
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WO/2009/018865A1 |
The invention relates to a power steering pump drive having a single- or double-stage condenser unit, said condenser unit comprising a housing, a piston, a cylinder, a piston rod, a drive shaft, and a cam shaft, said condenser unit furth...
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WO/2009/013175A1 |
The invention relates to a pump, particularly a high-pressure fuel pump, having a drive shaft (12) which is provided with a first double lobe (18), wherein the two lobes are arranged at a rotational displacement to each other of approxim...
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WO/2008/155511A1 |
A disposable pump cartridge (36) for use in conjunction with a pump driver characterised in that the disposable pump cartridge contains a pair of piston pumps (38,40) and inlet and outlet valves (50,48) positioned at one end of each pist...
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WO2008021503B1 |
A pump system has a rotatory shaft and a rotatory drive arrangement coupled to the rotatory shaft for applying rotatory energy thereto. First through fourth pump arrangements are coupled to the rotatory shaft, each pump arrangement pumpi...
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WO/2008/143983A2 |
Submersible pumping systems, devices and methods for extracting liquids in deep well applications are disclosed. In the various embodiments, a submersible pumping system includes a power supply and a power converter coupled to the power ...
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WO/2008/138712A1 |
The invention relates to a pump unit with a main pump and an auxiliary pump. The auxiliary pump is disposed in a housing part (3) of a housing of the pump unit. The auxiliary pump and the main pump are driven by a common drive shaft. The...
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WO/2008/138711A1 |
The invention relates to a pump unit (1) with a main pump (4) and a charging pump (5) with a variable pump capacity. A lifting ring (23) is provided for varying the capacity of the charging pump (5). A regulating power, which depends on ...
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WO/2008/135433A1 |
The invention relates to a fuel pump for an injection system of an internal combustion engine. An inner wheel (16) of a low pressure feed pump is non-positively and positively connected to a drive shaft (1) via a connecting unit (13). Th...
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WO/2008/132839A1 |
A drawing device that can be easily operated to draw fluid, that does not cause contamination of a follow plate by a leakage of the fluid from a contact section between the follow plate and a container, and that is small in size. In the ...
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WO/2008/115218A2 |
A method and system for pumping liquefied gas are provided. The system for pumping liquefied gas can includes a container having an access port with a central axis disposed at an upper end thereof, a pump disposed within the container, a...
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WO/2008/092808A1 |
The invention relates to an hydraulic aggregate comprising a reservoir (11) for hydraulic oil in a container (10). A pump (15) driven by a motor (18) is arranged in the reservoir (11). The motor (18) is a pneumatic motor. An electric con...
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WO2007061956B1 |
Embodiments of the present invention provide pumps with features to reduce form factor and increase reliability and serviceability. Additionally, embodiments of the present invention provide features for gentle fluid handling characteris...
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WO/2008/085094A1 |
The invention relates to a hydraulic pump arrangement (3) comprising a housing (8) accommodating a first hydraulic piston pump unit (3a) having an input shaft (7) adapted to be connected to a power unit (4) of said vehicle drive system (...
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WO/2008/077725A1 |
A multiple membrane pump for food liquids and the like, comprising at least one duct (6) for the compensated intake of the liquid, which is closed on itself in a loop and is provided with at least one intake port (7), at least one duct (...
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WO2008034226A9 |
A fully moveable and totally contained fluid supply unit useful in supplying fluid such as water to a site in need of such fluid for drilling, fire control, clean up, and the like is provided comprising a skid or a trailer having mounted...
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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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WO/2008/057002A1 |
The invention relates to operating gas-turbine engines. The inventive method and device for internal preservation and/or depreservation of gas-turbine engines are used for carrying out sequential operations on a nonrunning engine, consis...
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WO/2008/040477A1 |
The invention relates to a device for injecting a drug especially insulin into the human or animal body using a motor-driven pump head which can easily and rapidly be exchanged.
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WO/2008/037306A1 |
A hydrostatic drive unit is disclosed for supplying pressure medium to a hydraulic consumer having two pressure spaces. According to the invention, the hydrostatic drive unit has an adjusting motor and two hydrostatic units which can be ...
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WO/2008/019776A2 |
The invention relates to a piston engine unit with a hydrostatic piston engine (2) and an auxiliary pump (3). An inlet side connector for the auxiliary pump (3) is connected to a suction line (23). The end of the suction line (23) away f...
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WO2007142554A9 |
The invention relates to device for testing oil and gas properties in formation conditions. The inventive device comprises a piston container (1) with a test sample, a unit for transferring the sample from the piston container (1) to a m...
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WO/2008/010490A1 |
A cycloid reciprocating engine providing a working engine employing a sufficiently practical linear crank mechanism by general improvements including employment of a multi-cylinder and contrivance of its cylinder layout, contrivance of i...
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WO/2008/003704A2 |
Power controller comprising a pump (2), communicating with a reservoir (4) of oil hydraulic fluid, and provided with drive means (3) which in turn have supply means (5), characterized in that the said pump (2) is fitted inside the said r...
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WO/2008/001657A1 |
A fluid pressure drive device having a small inexpensive structure and achieving both control of high pressure and control of a large flow rate at the same time. Tandem hydraulic pumps that are a first fixed displacement hydraulic pump (...
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WO/2007/148237A1 |
A high pressure homogeniser provided with head (1) for the treatment of products with solids and fibres comprises a block (2) defining a passage (3) for the product from an intake area (4) to a delivery area (5), a piston movable axially...
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WO/2007/138633A1 |
A positive displacement pump whose structure allows to increase the pressure of the lubricant taken from the oil sump, wherein the free level surface of the lubricant could even be located far away from the rotating members of the machin...
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WO/2007/134454A1 |
A method and apparatus are disclosed for controlling a relay pumping setup comprising an upstream pumping unit for pumping a liquid into a relay reservoir and a downstream pumping unit for pumping from said relay reservoir to a given loc...
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WO/2007/130850A2 |
A compressor (10) includes a cylinder (14) having major and minor compression chambers (125, 126). The major compression chamber includes an ambient intake (106) and an outlet (112) which can be directed ether to the intake (104) of the ...
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WO/2007/125270A1 |
An apparatus for pumping fluid, the apparatus comprising a pumping section (32) having an inlet (33) and an outlet (38), a shaft (22) to suck fluid through the inlet (33) and pump fluid out the outlet (38) and a power section (20) for mo...
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WO/2007/112398A2 |
A modular header body is described for distributing fluid to an individually pumped fluid circuit. The modular header body has a valve to selectively isolate the header body's suction chamber from its volute, which permits a pump motor t...
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WO/2007/106090A1 |
A compressor includes a slide valve (24) having a passage that can be in fluid communication with a discharge plenum (22) and a suction plenum (20). The slide valve (24) position may be axially adjusted to control an amount of refrigeran...
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WO/2007/095047A2 |
A pumping system for an aircraft engine includes a centrifugal pump and a regenerative start stage that is selectively decoupled from the system upon sufficient pressure being provided by the centrifugal pump. A regulator interposed betw...
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WO/2007/038401A2 |
A hydraulic machine includes first and second opposing motors. Displacement of the first and second motors is controlled such that while the sum of the displacements of the first and second motors is below a threshold, the displacement o...
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WO/2007/030914A1 |
A system for automatically controlling a pumping unit used in fire suppression comprises a pumping unit, a water flow sensor and a pump controller. The pumping unit has a pump with a suction inlet configured to receive water from an upst...
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WO/2007/029058A1 |
A multi-purpose combined machine, for example a pump-compressor unit, comprising motor means (M) and a plurality of utility devices such as pump (H), compressor (C), vacuum pump (V) and so on, wherein friction couplings (FH, FC, FV) are ...
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WO/2007/020788A1 |
Provided is a pump apparatus wherein assembly workability is excellent, noise is reduced and rust is expected to be suppressed. The pump apparatus is provided with two pump units (22, 23); a valve unit (24) arranged between the pump unit...
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WO/2007/012420A1 |
The invention relates to a pump device (1) comprising a drive motor (2) and a fluid pump (3) which is coupled thereto, which comprises a pump housing (42) provided with at least one suction-sided inlet channel (5) and one pressure-sided ...
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WO/2007/010605A1 |
A lubricating oil feeder, comprising a pump (10) feeding a lubricating oil reserved in a lubricating oil reserving part (20) and a plurality of changeover valves (30) and (50) connected in series to the pump (10) and changed over to feed...
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WO/2006/136920A2 |
New fluorinated compounds of formula (I), where the variables are as defined in the claims, and method for their preparation. These compounds are used particularly but not exclusively as fluorinated surfactants or as solid lubricants to ...
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WO/2006/133813A1 |
The invention relates to a compressor, especially a compressor for cryogenic media, preferably for liquid hydrogen, comprising a compressor chamber which is surrounded by a cylinder wall and in which a compressor piston is displaced in a...
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WO/2006/133929A1 |
The invention relates to a manual piston suction pump, comprising a pump base, a pump column, a liquid outlet opening and a pump piston, connected to a pump clapper which may lift liquid into the riser tube on an inlet stroke. The piston...
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WO/2006/132023A1 |
An injector capable of preventing contaminants from being mixed in a chemical liquid when sucking and discharging the chemical liquid and a chemical liquid preparation apparatus having the injector. The injector (1) comprises an injector...
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WO/2006/125299A1 |
A system for driving multiple fire suppression accessories comprises a multi-drive converter unit and a first fire suppression accessory. The multi-drive converter unit has an input configured to be coupled to an engine output drive shaf...
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WO/2006/122268A2 |
An easily cleaned and/or sterilized fluid pumping assembly including a first pump housing including a first inner chamber. The first pump housing includes a fluid access port adapted to provide fluid communication between an outside of t...
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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/2006/113521A2 |
A portable pumping system provides insulin or other drugs to a user. A shape memory element is used to actuate the pump and an intelligent system controls the actuator in order to minimize stresses within the system and provide accurate ...
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WO/2006/103199A1 |
The invention relates to a hydraulic group comprising a reservoir (28) for oil, in which a multiple piston pump (60) is arranged. The individual pumps (61) are cyclically driven by an eccentric ring (29). In order to ensure a permanent i...
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