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WO/2013/005538A1 |
[Problem] To operate the compressor reliably in the unloaded mode at the minimum capacity without using a magnetic clutch, etc. and to configure the variable capacity compressor to be small. [Solution] A pressure-sensing bellows (16) is ...
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WO/2012/177187A1 |
A power split continuously variable transmission including a variator unit having a first and a second variable displacement hydrostatic machine and a planetary gear unit, characterized in that said power split continuously variable tran...
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WO/2012/173005A1 |
The present invention provides an extrusion press with which it is possible to eliminate nonuniformity in the degree of dynamic/thermal fatigue of electrical devices, control devices, and the like that drive hydraulic devices and hydraul...
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WO/2012/171970A1 |
An inlet valve arrangement for a pump head of a fuel pump for use in a common rail fuel injection system comprises an inlet valve member (10) moveable between open and closed positions to control the flow from a source of low-pressure fu...
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WO/2012/171206A1 |
Disclosed are a concrete pumping device and a constant power control device of its variable displacement pump. The variable displacement pump is provided with a displacement control valve block (1). The constant power control device incl...
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WO/2012/171646A1 |
The invention relates to a piston compressor, comprising a piston connected to a connecting rod by means of a motor-driven crankshaft, which piston can be moved back and forth by a stroke in a cylinder in a cylinder head on the closure s...
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WO/2012/170094A2 |
When starting a screw-type air compressor (12) in sub-zero conditions, current spikes are mitigated by detecting an over-current condition and/or a below- threshold temperature, and a warm-up routine (28) is initiated in which compressor...
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WO/2012/167337A1 |
The present application refers to a system for detecting parameters applied to a compressor piston, comprising simultaneously detecting certain parameters of said compressor piton, such as: piston speed, piston position and occurrence of...
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WO/2012/167499A1 |
Disclosed are a pressure regulating method and system for a concrete pumping device and a concrete pumping device, wherein the system comprises a constant pressure pump (1), a pressure sensor (2) for acquiring a pumping pressure value an...
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WO/2012/166597A2 |
A low gravity fed water system (200) includes a housing (202) having an inlet opening (204), a portion of the inlet opening disposed above the waterline and a portion of the inlet opening disposed below the waterline. The housing has an ...
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WO/2012/163619A1 |
The invention relates to a compressor unit in a portable compressed air source, comprising a reciprocating compressor that is powered by way of a slider crank mechanism having a piston that is oscillatingly moved in a cylinder and define...
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WO/2012/163343A1 |
The invention relates to a radial piston pump (1), comprising a housing (3), a cylinder block (5) arranged in the housing (3), an interior (7) inside the cylinder block (5), a rotatably supported eccentric (9) being arranged in the inter...
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WO/2012/165326A1 |
Provided is a flow rate control method for a pump (10) that is driven by a drive system having a sliding part and conveys liquid, wherein, in an early stage of operation of the pump (10), the flow rate is held at a small first flow rate ...
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WO/2012/164690A1 |
The present invention relates to the detection of abnormalities in a refrigeration apparatus comprising a refrigerant compressor configured so as to compress refrigerant and to discharge compressed refrigerant to a cooling piping constit...
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WO/2012/163610A1 |
The invention relates to a system for conducting natural gas out of a natural gas field. A first gas inlet (111) of a first compressor (110) can be coupled to a first gas source (113) of the natural gas field such that a first natural ga...
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WO/2012/161525A2 |
Disclosed is an intelligent air compressor system which digitizes and meters an air compressor system to monitor losses in a pipeline and unnecessary operation of an air compressor on a real-time basis, thereby achieving maximized energy...
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WO/2012/153585A1 |
A speed change limiter (52) limits the rate of the change in speed from the present rotational sped of a motor (2) to a target rotational speed. The motor (2) is controlled so as to achieve the target rotational speed while the rate of t...
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WO/2012/155068A2 |
A positive displacement multi-cylinder pump, or "radial pump" which cylinders are set in a radial configuration around a central crankcase. The radial pump has been especially designed for the seawater desalination using reverse osmosis ...
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WO/2012/154971A2 |
A method and system for metering liquid production at a well comprises an actuated back pressure control valve, a liquid pump, a liquid flow meter and a pressure sensor, both intermediate the liquid pump and the back pressure control val...
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WO/2012/152472A1 |
The invention relates to an arrangement for throttling a fluid flow (1) having a throttle element (10) disposed in a fluid channel (5) for influencing a flow cross section, and to a piston pump for transporting fluids and having such a t...
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WO/2012/151285A1 |
A more practical, cost effective and improved compressor protection method and system that is capable of continuously establishing compressor discharge temperature set points based on actual in-service conditions and detecting damaged co...
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WO/2012/149989A1 |
The invention relates to a control device (20) for an air supply system (14) of a vehicle (1) which has a transmission device (3, 4) and an internal combustion engine (2) for driving the vehicle (1) in load phases, the control device (20...
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WO/2012/147476A1 |
This invention provides a liquid feed pump with essentially no particle generation. This liquid feed pump is provided with: a pump housing; a diaphragm (180) which together with a concave surface forms a pump chamber (123) and which part...
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WO/2012/146663A1 |
The invention relates to a controller for controlling a frequency inverter (4) of a positive displacement pump motor (3) of a positive displacement pump (2), said controller comprising a control unit (6) which is designed to produce a co...
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WO/2012/141912A2 |
A compression method, a multistage compression system and an air separation method and plant in which a gas is compressed in a series of compression stages to produce a compressed gas and each of the compression stages incorporate a vari...
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WO/2012/140944A1 |
The presence of boost pressure in a pump is assessed from error between an actual operating point and F-P characteristics represented the relationship between power consumption and output frequency of an inverter. When boost pressure is ...
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WO/2012/132411A1 |
Provided is an electric compressor that reduces the time until the release of a power supply connection is detected and prevents electric shock due to the residual voltage of a capacitor. A capacitor (114) is provided between a power sup...
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WO/2012/129769A1 |
A centralized monitoring device of an air compressor comprises a voltmeter, an ammeter, a start switch, a pressure switch, a contactor and a current protector. The voltmeter and the ammeter are connected to a motor (1) and the start swit...
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WO/2012/127377A1 |
The invention relates to a device for detecting and identifying a peristaltic cassette which is provided with a rotary mechanism comprising rollers connected to a spacer (1) and which is intended to be rotated by a drive system connected...
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WO/2012/122977A1 |
The invention relates to a piston-cylinder unit for a piston pump, in particular for high performance liquid chromatography, comprising at least one cylinder-piston unit (100) in order to discharge a liquid medium from a cylinder volume ...
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WO/2012/121680A2 |
The subject of the invention is a device for an automatic regulation of pump operation of a sensor microprocessor controller that optimally regulates the operation of a pump. The device of the invention solves the mentioned problems; by ...
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WO/2012/122362A2 |
A mobile application is provided that provides intelligent recommendations based on the knowledge of where the user has been, and what venues the user would like to visit. Further, such an application may be capable of determining where ...
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WO/2012/121383A1 |
A power supply device for a vacuum pump, equipped with: cooling piping for circulating a cooling medium; a temperature sensor that detects the temperature of the cooling piping; a valve that adjusts the amount of cooling medium circulati...
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WO/2012/113578A1 |
The invention relates to a fluidic metering system (1), comprising a reciprocating-piston pump (3) driven by electromagnets having a coil, an electric actuation (7), at least one line (4) and a metering valve (5) arranged downstream of t...
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WO/2012/110261A1 |
A high-pressure pump for a fuel injection device of an internal combustion engine, having a pump housing 6 with a pump interior 5 into which an inlet 4 for fuel opens out, and having a metering unit 12 for metering fuel into a pump worki...
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WO/2012/107987A1 |
The objective of this invention is to efficiently heat a cooling medium that has accumulated in a compressor. An inverter control unit (12) generates six drive signals corresponding to the switching elements (16a-16f) of an inverter (9),...
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WO/2012/101379A1 |
The invention relates to a device for monitoring a pneumatically-actuated alternating linear displacement pump, and to a system for monitoring a pneumatically-actuated alternating linear displacement pump, which comprise a means for sens...
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WO/2012/101230A1 |
SCR system comprising a metering pump and a pressure regulator.
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WO/2012/100313A1 |
Control system for hermetic cooling compressor, which includes a reciprocating compressor and an electronic control (2) for the reciprocating compressor (3), the electronic control (2) being configured for, after commanding the turning o...
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WO/2012/097361A2 |
A control valve for a fluid dispensing device comprises a valve stem, a valve body, a cap and an adjustment mechanism. The elongate valve stem has a flange. The valve body comprises a valve bore in which the elongate valve stem is config...
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WO/2012/094694A1 |
There is proposed a variable stroke assembly having a primary crank, the primary crank having a primary axis of rotation; a hypocycloid gear set having at least one internal gear and at least one spur gear, the internal gear having an ax...
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WO/2012/093677A1 |
[Problem] To provide an electric pump device in which it is possible to minimize the amount of vibrations and noise generated. [Solution] An electric oil pump ECU performs a pressure-reduction control in which the hydraulic pressure Po s...
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WO/2012/094389A2 |
Control structure movement of a high pressure fuel pump piston of a fuel system. The piston is constructed and arranged to be inserted into or withdrawn from a pumping chamber to control a flow of fuel from the pumping chamber. The contr...
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WO/2012/089511A1 |
In a pressure control arrangement of a fuel injection system which is operated by way of a pump (12, 100) for an internal combustion engine (32), having a valve (76) which is arranged on the pressure side of the pump (12, 100) for discha...
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WO/2012/092055A1 |
Apparatus comprises a processor and a memory including computer program code configured to respond to signaling containing information about an instant pressure and a flow rate of fluid being pumped in a pumping system, and obtain an ada...
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WO/2012/088197A2 |
A system for pumping water in a body of water from a first depth to a second depth using energy generated by a passing wave. The system can have a floatable member and a submergible member having a conduit and a valve, a vertical support...
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WO/2012/083404A1 |
This invention relates to a modular speed-switching circuit for compressors having multiple poles supporting different connections between the poles thereof. The circuit (2) includes at least three electrically actuated electrical-contac...
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WO/2012/085814A2 |
The method for actuating a pumping device with an optimal driving voltage, wherein the pumping device comprises at least a pumping chamber (4) having a pumping membrane (1), an inlet chamber (3) and an outlet chamber (5), a voltage contr...
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WO/2012/084307A1 |
The invention relates to a pump (10) having an outflow channel (38) for discharging fluid out of the pump (10), the outlet area thereof being determined by a throttle, wherein the throttle is designed having a spring element (42) which c...
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WO/2012/083406A1 |
This invention relates to an automatic control module for a compressor, specifically a compressor having multiple poles (and therefore capable of running at different speeds). The module (2) comprises at least one electrically actuated e...
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