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WO/2013/171801A1 |
An oil-pressure control system for controlling hydraulic oil discharged from a variable-capacity oil-pressure pump using a closed-center control valve actuated on the basis of operation input from an operation device to supply an oil-pre...
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WO/2013/167248A1 |
The invention relates to a method for operating a fluid pump (10) in which a conveyor system (20) conveying a conveyor volume during each rotation is driven by a drive (30) rotating at a rotational speed, said conveyor system (20) being ...
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WO/2013/161886A1 |
[Problem] To provide a reciprocating compressor having a simple structure, the reciprocating compressor being configured in such a manner that, in a low-speed rotation region, the amount of oil carried to the outside of the compressor is...
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WO/2013/161358A1 |
A hydraulic device comprising: a hydraulic pump (5); an induction motor (4) that drives the hydraulic pump (5); an inverter device (3) that outputs a drive signal that causes the induction motor (4) to rotate; and a control device (2) th...
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WO/2013/159777A1 |
The invention concerns a system and a method for regulating the flow of a viscosity- dependent liquid in a graphic process, including a pump (5) configured for pumping a viscosity-dependent liquid (3) from a first container (4) and to a ...
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WO/2013/163657A1 |
The present disclosure relates to a system that has at least one device that detects a hazardous condition in an environment and wirelessly transmits a detection message comprising data indicative of the hazardous condition. Further, the...
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WO/2013/161361A1 |
The present invention is equipped with: a hydraulic pump (2); an induction motor (1) that drives the hydraulic pump (2); a coupling (3) linking an output shaft (1a) on the induction motor (1) and an input shaft (2a) on the hydraulic pump...
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WO/2013/163042A1 |
An electronically commutated pump motor circuit comprises an input configured, to receive at least a first range of voltages, and a power conditioning circuit. The power conditioning circuit includes an active power factor correction cir...
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WO/2013/155648A1 |
A culture pond pumping device and a culture pond water filtration system. The pumping device is provided with a power supply circuit, a processing control circuit, a magnetic polarity detection circuit, a drive circuit and a pump, and th...
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WO/2013/159087A2 |
Systems (100 and 200) and methods (1600-1900) of the invention relate to diagnosing a compressor. A method may include operating a compressor (110) to compress air from a first stage compressor into an intermediate stage reservoir (266),...
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WO/2013/158518A2 |
Systems and methods of the invention may overcome a higher than normal starting torque for in a reciprocating, electric motor driven air compressor for a vehicle. A detection component can be configured to detect a stall condition for a ...
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WO/2013/158951A1 |
A fluid pump includes a pump body enclosing a first cavity and a second cavity, a first flexible member disposed within the first cavity, a second flexible member disposed within the second cavity, and a drive shaft extending between and...
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WO/2013/153825A1 |
A hermetic compressor according to the present invention comprises an enclosure (101) accommodating an electric-power element (105) and a compression element (106); the compression element (106) comprising a shaft (110) having a main sha...
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WO/2013/152549A1 |
A variable plunger piston pump comprises a pump body (1), a low-pressure plunger piston (3), and a high-pressure plunger piston (2). The low-pressure plunger piston (3) is arranged in the pump body (1); the pump body (1) is divided, by t...
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WO/2013/150808A1 |
Provided is a control device of a variable-capacity pump that is driven by a drive source for driving a vehicle and that increases the pressure of hydraulic oil, the pump being capable of switching between a full-capacity operation of ma...
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WO/2013/151014A1 |
A pump unit (10) comprises a casing (13) provided with an inlet (11) and outlet (12) for a fluid, and a pump group comprised of micro pumps (15) aligned inside the casing (13) and used to discharge the fluid entering through the inlet (1...
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WO/2013/151040A1 |
In the present invention an inverter control circuit controls an inverter circuit (100) such that an orbiting scroll member stops for a first prescribed time at a prescribed rotational position when the scroll compressor is activated. Su...
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WO/2013/145761A1 |
An electricity generation system (100) equipped with: an electricity generation unit (1); an exhaust heat recovery unit that includes a hot water storage tank (2) that stores exhaust heat from the electricity generation unit (1); a water...
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WO/2013/140255A1 |
Negative pressure wound therapy apparatuses and dressings, and systems and methods for operating such apparatuses for use with dressings are disclosed. In some embodiments, controlling the delivery of therapy can be based on monitoring a...
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WO/2013/133993A1 |
A fluid compression system includes a gaseous fluid compressor having a fluid inlet and a compressed fluid discharge, a prime mover coupled to the gaseous fluid compressor in driving relation, and a demand sensor positioned to measure a ...
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WO/2013/131178A1 |
A counterweighted well pumping unit comprises two or more reversible motors, each of which is directly and operatively connected to a rotatable drive component mounted on a support structure positioned over a wellhead. For each motor, an...
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WO/2013/134223A1 |
A method includes passing a mobile phase fluid flow comprising liquefied CO2 through a separation column; then introducing a makeup fluid flow into the mobile phase fluid flow to form a mixed fluid flow; and then splitting the mixed flui...
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WO/2013/128946A1 |
This method for controlling an electric compressor is provided with: a step (S1) for setting a predetermined specific rotational speed as a target rotational speed (Rt) for a DC motor (103); a step (S2) for obtaining an actually measured...
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WO/2013/130536A1 |
A method of breaking a gas lock in an electrical submersible pump, comprising: a) monitoring a measured value related to the electrical current used by a pump motor connected to and providing power to the pump; b) comparing the measured ...
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WO/2013/130497A1 |
In an electric motor-driven oil pump assembly for use with an engine in a vehicle, such as with an automatic engine-stop system in which an electric motor-driven oil pump is driven by an electric motor for hydraulic pressure supply to a ...
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WO/2013/130155A1 |
A start-stop retrofit kit includes a start-stop module configured to monitor one or more parameters of a vehicle, configured to automatically stop an engine of the vehicle when the vehicle is idling during operation, and configured to au...
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WO/2013/127452A1 |
The invention relates to a method for operating a hydraulic pump arrangement of a hydraulic tool that is in particular portable and operates by means of an autonomous power supply or depending on the network, wherein the hydraulic pump a...
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WO/2013/124922A1 |
Provided are: a screw conveyor capable of avoiding device malfunctions caused by objects to be removed, and of separating the objects to be removed; and a filter device using an air-driven pump using the screw conveyor and an air-driven ...
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WO/2013/125597A1 |
In the present invention, a compressor control device has an inlet guide vane degree-of-opening control unit for controlling the degree-of-opening of an inlet guide vane. The inlet guide vane degree-of-opening control unit has the follow...
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WO/2013/124038A1 |
A method for operating a high-pressure cleaner with various operating modes, which has at least one high-pressure pump (2) that is driven by a drive motor (1), wherein the water drawn in by the high-pressure pump (2) on the inlet side is...
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WO/2013/121462A1 |
[Problem] To provide a pump device whereby it is possible to stabilize the discharge flow rate without relying on the external air temperature. To also provide a method for controlling said pump device. [Solution] This method for control...
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WO/2013/118637A1 |
This variable displacement compressor increases the lubricity of oil circulated from a discharge chamber to a crank chamber. A center bore (101b) arranged in the center of a cylinder block (101) comprises a first bore (101b1) supporting ...
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WO/2013/118181A1 |
A fluid working machine has at least one working chamber of cyclically varying volume and low and high pressure valves to regulate the flow of working fluid into and out of the working chamber, from low and high pressure manifolds. The l...
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WO/2013/118180A1 |
A fluid working machine has at least one working chamber of cyclically varying volume and low and high pressure valves to regulate the flow of working fluid into and out of the working chamber, from low and high pressure manifolds. The l...
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WO/2013/114436A1 |
A hydraulic machine in which the volume of working fluid displaced by each cylinder is selectable on each cycle of working chamber volume by active control of one or more electronic valves has a controller configured to select specified ...
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WO/2013/113066A1 |
A system for measuring real time efficiency/performance of at least one pump in a plant or other facility includes a plurality of monitoring devices disposed in relation to said at least one pump to measure power usage, pump speed and fl...
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WO/2013/109473A1 |
A relief valve assembly is provided for use in connection with high pressure and ultrahigh pressure pumps. The relief valve assembly includes a valve pin having an engagement portion with a tapered surface and a valve seat having a valve...
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WO/2013/109005A1 |
The present invention relates to an electronic control valve for a variable capacity compressor, and more particularly, to a device which improves on the electronic control valve for a variable capacity compressor so that same is not inf...
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WO/2013/108968A1 |
The present invention provides a variable displacement axial axle piston pump having an easy to maintain and repair built-in adjuster. According to the present invention, the variable displacement axial axle piston pump having an easy to...
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WO/2013/106660A1 |
A system includes a refrigerant compressor including an electric motor, a current sensor that measures current flow to the electric motor, a switching device configured to close and open to allow and prevent current flow to the electric ...
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WO/2013/106810A1 |
A compressor moves a fluid from an inlet to an outlet and provides a pressure differential there between due to respective pistons moving in and out of a plurality of piston chambers via a piston rod. A rotating shaft extends through a g...
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WO/2013/106115A2 |
In various embodiments, coupling losses between a cylinder assembly and other components of a gas compression and/or expansion system are reduced or eliminated via timing control.
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WO/2013/102236A1 |
A hand operated medical pump is described including: at least one fluid inlet; at least one fluid outlet; a flexible pump bulb defining a pumping chamber which forms at least part of a pumping flow pathway; at least one directional valve...
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WO/2013/103133A1 |
The present invention comprises: a system operating point calculation unit (28) which calculates a plurality of combinations of engine rpm and engine torque that can be generated as the required power of an engine (1), and calculates the...
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WO/2013/100017A1 |
A motor control device is provided with a control unit comprising an excess output suppression control unit that suppresses excess output by reducing the current command value from a superordinate control unit. A control signal output un...
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WO/2013/099843A1 |
Provided is a water supply device capable of meeting energy conservation requirements by avoiding time slots wherein a large amount of water is used and by, for example, controlling the rotational velocity of a pump (1) so as to lower th...
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WO/2013/101614A1 |
A system (84) for controlling a pressure ratio of an output pressure to an input pressure of a compressor (42) associated with an engine (16) is disclosed. The system includes a controller (86) configured to receive signals indicative of...
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WO/2013/100509A1 |
The present invention relates to a pressure overshooting prevention system for an electronic hydraulic pump in a hydraulic system. A flow command is added (+) and a discharge flow rate is subtracted (-) to calculate a displacement flow r...
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WO/2013/012832A9 |
Detecting a failure mode of a fluid flow controller configured to control fluid flow between first and second chambers of a downhole positive displacement pump and a flow line, wherein the positive displacement pump comprises a piston mo...
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WO/2013/091479A1 |
Disclosed is a pump displacement controller (100), comprising a receiving device (10) for receiving real-time cantilever status information, real-time material condition information and an expected pump displacement; a mapping device (20...
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