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WO/2014/166615A1 |
The invention relates to a device for conserving power in a piston compressor, in particular for generating compressed air in a motor vehicle, having a piston (100) delimiting a compression chamber (500) for generating compressed air, wh...
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WO/2014/168817A1 |
An oil well is operated to prevent a rod of a pumping unit for the well from making a complete stroke cycle whenever a condition exists indicating that rod float is about to begin. Tension in the rod is measured and compared to a predete...
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WO/2014/164785A1 |
Embodiments include a modular fuel pump apparatus for an aircraft refueling chassis and related devices, systems and methods. In one exemplary embodiment, a pump module includes a hydraulic motor driven by a hydraulic pump connected to a...
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WO/2014/165831A1 |
A dual well pumping unit (12) has two hydraulic ram units (26), one for each well (preferably with each ram unit (26) having three hydraulic rams). Each hydraulic ram units is connected to first ram pump (18) and a second ram pump (20). ...
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WO/2014/164622A1 |
Unique apparatuses, methods, and systems of opposing, limiting, and/ or preventing undesired or un-commanded compressor rotation are disclosed. One exemplary embodiment is an HVACR system comprising a variable frequency drive configured ...
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WO/2014/159502A1 |
A valve member for a poppet valve is provided. The valve member may include a valve stem, a valve head, a face formed on the valve head, a sealing surface disposed between the face and the perimeter of the valve head, a tapered socket, a...
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WO/2014/156277A1 |
An intake air cooling device (100) is configured so as to uniformly spray water into intake air even during partial operation. The intake air cooling device (100) is provided on the rear-stage side of a pre-filter (24) provided on the in...
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WO/2014/157739A1 |
An air compressor (1) includes a compression portion (4), a drive portion (3) for driving the compression portion (4), a tank (5) for storing compressed air, a pressure sensor (11) for monitoring a pressure of the compressed air stored i...
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WO/2014/159682A1 |
A variable stroke length EOD pump system is provided that includes a diaphragm pump and an electromagnetic linear actuator that operates the diaphragm pump. The linear actuator includes two stator halves, and an armature. The armature is...
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WO/2014/156532A1 |
In this pump discharge flow rate control device, the discharge flow rate of a variable displacement pump is controlled to decrease in response to increases in the control pressure which is adjusted by means of a regulator, and this pump ...
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WO/2014/156207A1 |
A pump volume control device comprises a tilting piston, a pump volume control valve that adjusts the tilt driving pressure by a spool being moved, a flow rate control spring that biases the spool according to the tilt angle, a horsepowe...
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WO/2014/149388A1 |
The present invention provides apparatus featuring a signal processor or processing module that may be configured at least to: process signaling containing information about an equilibrium point of pump differential pressure and system p...
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WO/2014/145803A1 |
A method of inhibiting oxygen in ambient air from entering a water supply system having at least one ingress point at which a fluid can enter the water supply system includes supplying an inert gas to the at least one ingress point of th...
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WO/2014/143679A1 |
A method and system for lifting drilling mud from subsea to a drilling vessel, which uses a pump having a body with a chamber, and a bladder in the chamber. The bladder attaches to the body and defines water and mud sides in the chamber....
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WO/2014/140384A1 |
The invention relates to a method for controlling and/or monitoring a compressor system comprising multiple components, namely one or more compressors (11, 12, 13) and one or more peripheral devices (14 to 21), and comprising a control/m...
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WO/2014/141426A1 |
This hydraulic device for driving an oil well pump is provided, as a pump main body within a single housing by means of a single unit structure, with at least a bidirectional variable-capacity piston pump, a discharge quantity detection ...
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WO/2014/140253A1 |
The invention relates to a method for controlling and/or monitoring a compressor system comprising one or more compressors (11, 12, 13) and one or more peripheral devices (14 to 21). The compressors (11, 12, 13) and peripheral devices (1...
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WO/2014/140261A1 |
The invention relates to a method for controlling and/or monitoring a compressor system comprising one or more compressors (11, 12, 13) and one or more peripheral devices (14 to 21). The compressors (11, 12, 13) and peripheral devices (1...
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WO/2014/133712A1 |
Illustrative embodiments of positive displacement pumps utilizing pressure compensating calibration, as well as related systems and methods, are disclosed. In one illustrative embodiment, a method of operating a positive displacement pum...
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WO/2014/132353A1 |
Provided is a fluid supply apparatus capable of optimizing the flow rate and pressure of fluid. The fluid supply apparatus is provided with: an inverter for converting the frequency of an alternating-current power source; a pump having a...
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WO/2014/127905A1 |
The invention relates to a piston compressor (1) for compressing a gas, such as air for a compressed air system of a motor vehicle, and comprising a cylinder block (3) with a compression chamber (4) formed therein, a compressor piston (5...
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WO/2014/124799A1 |
The invention relates to a method for operating a device (1) for providing a liquid additive having at least one suction point (17) for removing liquid additive from a tank (2), a valve-free conveying line (6) extending from the suction ...
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WO/2014/124508A1 |
The present invention refers to a system and method for checking the operational status of alternative compressor valve and more particularly for checking operational status of electrically commanded valves, provided in alternative compr...
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WO/2014/124525A1 |
A rod-pumping system is provided. In one embodiment, the system includes a downhole pump (24) positioned in a well (14) and coupled to a well string, such as a sucker- rod string (22). The system also includes a first hydraulic actuator ...
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WO/2014/124898A1 |
In the method according to the invention for controlling a compressor of a refrigeration system, said compressor having a motor, the refrigerant flow through the compressor is controlled by means of at least one valve, wherein the valve ...
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WO/2014/124507A1 |
The present invention refers to a method for actuating semi-controlled valve that acts in synchronism with the compression cycles of an alternative compressor and to a system for actuating a multi-suction alternative compressor semi-cont...
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WO/2014/122764A1 |
The purpose of the present invention is to provide: a fluid compression system capable of providing a compressed fluid in accordance with rapid changes in fluid usage volumes, even if the number of installed compressors is increased; and...
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WO/2014/121497A1 |
An air compressor apparatus comprising a machine case body (1). Same has arranged therein an air compressor. A motor (21) drives a piston head (26) of a piston body (25) to move reciprocatively within a cylinder (3), thus allowing compre...
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WO/2014/121498A1 |
An air compressor apparatus that obviates the need for a mechanical pressure safety valve to be installed to allow an air compressor to be kept within a pressure safety value range during an operational phase, and provides a structure th...
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WO/2014/124309A1 |
The operating performance and reliability of a pump, e.g. a hydraulic pump, can be significantly improved by incorporating an actively controlled positive displacement control valve in fluid communication with a fixed displacement pump, ...
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WO/2014/120651A1 |
Apparatuses, methods, and systems of multiple load control for variable frequency drive harmonic mitigation are disclosed. An exemplary embodiment includes a system including a plurality of loads including at least one compressor configu...
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WO/2014/119144A1 |
Provided is an air compressor which exhibits improved reliability by resolving problems relating to drainage discharge defects, and exhibits improved energy efficiency. The air compressor comprises: a compressor body which compresses air...
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WO/2014/115350A1 |
A refrigerator (100) is provided with a compressor (1), a condenser (2), an expansion valve (3), an evaporator (4), and a refrigerant tube connecting these components, a flame propagation inhibiting device (8) being provided to a dischar...
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WO/2014/117013A1 |
Methods and systems for controlling a chiller system to achieve control stability while maintaining optimum efficiency. Particularly, methods and systems for controlling a centrifugal compressor speed and an inlet guide vane position tha...
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WO/2014/117012A1 |
Generally, apparatuses, systems, and methods are described to vent refrigerant vapor from the refrigerant pump line using a vent line, such as during priming of the pump and/or during a startup of the compressor, directed to a relatively...
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WO/2014/114659A1 |
The invention relates to a multi-stage piston compressor for compressing compressible media, comprising the following features and components: - at least one first and at least one second compressor stage, each comprising at least a cyli...
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WO/2014/113777A1 |
Apparatuses, methods, and systems offering enhanced robustness, efficiency and rated voltage operability for refrigerant compressor drives are disclosed. An exemplary embodiment is a method of operating a variable frequency drive. The me...
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WO/2014/109160A1 |
A slurry-transporting facility provided with multiple series of pump devices, wherein efficient operation is made possible by limiting the stopping of slurry supply to the transport destination during switching of pump device use between...
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WO/2014/110139A1 |
A high-pressure fuel pump for an internal combustion engine is described. The high-pressure fuel pump includes an improved configuration that beneficially simplifies certain features of the high-pressure fuel pump. More specifically, the...
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WO/2014/102983A1 |
Provided is a control device for a vehicle drive device, with which the size of a surge absorption circuit that absorbs surges occurring during operation of an electromagnetic oil pump can be reduced. The drive frequency (F) that operate...
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WO/2014/097709A1 |
Provided is a hydraulic control device for machinery that performs cutoff control during necessary operations even when the hydraulic pump discharge pressure exceeds a cutoff pressure. The hydraulic control device is provided with: a var...
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WO/2014/095207A1 |
Valve devices for a hydraulic circuit, having an actuator unit (10) with an electromagnetic circuit (14), which electromagnetic circuit is composed of an armature (22) movable in translational fashion, of a core (20), of an energizable c...
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WO/2014/100710A1 |
A system and method for controlling a system that includes a variable speed compressor are described. The method can provide improved accuracy in the control of a system, for example, a heating, ventilating, and air condition (HVAC) syst...
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WO/2014/095859A1 |
The invention relates to an air pressure generation device for a rail vehicle (10), with a compressor unit (18; 18.a; 18.b) for generating air pressure for a compressed air system (12) and a control unit (20; 20.a; 20.b) for controlling ...
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WO/2014/097345A1 |
An oil supply device (1) is equipped with: a main pump (5) driven by an engine (E) and capable of supplying oil to an automatic transmission mechanism (6) and an oil pressure control valve (7); an electric motor (M); a sub-pump (11) that...
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WO/2014/091266A1 |
The subject invention provides a fluid flow apparatus for transporting a fluid to inflate and deflate a device including a pumping device (54) and a housing (12) defining a chamber (36), an inlet port (38), a fill port (40), and an exhau...
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WO/2014/090873A1 |
The invention relates to a method for controlling a vehicle compressor. In said method, the switching on and off of the compressor is controlled by a control device, wherein the time at which the compressor is switched back on after a co...
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WO/2014/091690A1 |
This regulator (10) is provided with a feedback lever (24) which moves a compensator sleeve (32) in the axial direction of a compensator spool (30). The compensator spool (30) and the compensator sleeve (32) form an autogenous pressure i...
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WO/2014/087978A1 |
A work machine is provided with an inverter (9A) for controlling an assist torque amount (Tm) to an engine from a motor generator (2) on the basis of the size of a deviation (e) of the actual speed of the engine (1) from a target speed, ...
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WO/2014/084013A1 |
A waste heat power generation device (G) having: an evaporator (1) that recovers waste heat energy and evaporates a working medium; an expansion turbine generator (2) that generates power by means of the working medium supplied from the ...
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