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WO/2013/092390A1 |
Reciprocating compressors for the oil and gas industry with a timing valve and related methods are provided. A reciprocating compressor 100 has a chamber 110, a timing valve 150, an actuator 160 and a controller 170. A fluid entering the...
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WO/2013/089127A1 |
The present invention addresses the problem of being able to increase the effect of preventing an engine from stalling by reducing the engine load attributable to a fixed-capacity hydraulic pump. A working vehicle (1) provided with a fix...
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WO/2013/088732A1 |
[Problem] To prevent lubricating oil in the interior of a compressor from flowing to the outside of the compressor due to the movement of a refrigerant within the refrigeration cycle due to temperature changes when the operation of the c...
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WO/2013/088841A1 |
This diagnostic apparatus obtains, for each of M devices, deterioration determination data candidates that include second cumulative power consumption amounts for that specific device in all combinations in which that specific device is ...
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WO/2013/086189A1 |
A variable-capacity compressor that includes a housing having an inlet for receipt of refrigerant and an outlet for return of refrigerant, and a plurality of compressing elements contained in the housing between the inlet and the outlet....
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WO/2013/083217A1 |
The invention relates to a method for monitoring the function of a pump (1) which is driven by an electric motor and which has an internal electronic system (4), functional parameters of the pump (1) being monitored by means of said elec...
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WO/2013/082976A1 |
A control apparatus, a control method and a concrete pump for a viscous body pumping mechanism. The control apparatus comprises at least one function device for implementing at least one corresponding function, at least one detection uni...
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WO/2013/080825A1 |
A control pressure switching valve (57) is provided between a capacity regulator (26) and a pressure control valve (44). The control pressure switching valve (57) is switched between a control position (j) at which load sensing control p...
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WO/2013/080805A1 |
In order to obtain, without a cost increase, a control for maintaining the pressure of a fluid delivered from a pump at a target value, a pump control unit is equipped with a driver control unit for controlling the rotational speed of a ...
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WO/2013/075946A1 |
The invention relates to a fuel delivery system (10) for a vehicle, comprising a pre-delivery pump (14) for pumping fuel out of a tank (100), a high-pressure pump (12) for feeding the fuel to a common rail system (24), and a filter (16) ...
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WO/2013/069374A1 |
A closed hydraulic circuit system (100) capable of driving a hydraulic cylinder (3) having a first port (3b) and a second port (3c) comprises: a hydraulic pump (1) which has a first pump port (1a) hydraulically connected to the first por...
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WO/2013/067206A1 |
Embodiments of the invention provide a pumping system and method including a flow locking feature. A pump controller includes a user interface configured to initially receive and set a plurality of programmed flow rate settings, a maximu...
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WO/2013/065097A1 |
The purpose of the invention is to provide a coolant supply device and supply method that can appropriately control the spraying of coolant using a single parameter. To that end, the invention is provided with a pump (101) that supplies ...
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WO/2013/063463A1 |
A system for monitoring flow conditions of fluid flowing from a product container through a solenoid pump. The system includes at least one solenoid pump comprising a solenoid coil, which, when energized, produces a stroke of the solenoi...
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WO/2013/061403A1 |
The purpose of the present invention is to provide an accessory unit drive mechanism configured so that the accessory unit drive mechanism can transmit a specific amount of power to the accessory unit side irrespective of the rotational ...
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WO/2013/059925A1 |
A method for determining flow in a medium, comprising applying thermal energy to at least one probe of a pair of probes, the probes configured for placement in the medium and varying the applied thermal energy of the at least one probe t...
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WO/2013/063262A1 |
A pump monitoring device (32, 110) is configured to be connected to a case drain (30) of a pump (12). The device (32, 110) includes a manifold (34, 112) having an inlet (48, 120) for connection to the case drain (30). A flow rate sensor ...
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WO/2013/060456A1 |
The invention relates to an air-conditioning compressor for a motor vehicle, the pressure chamber (18) of which is connected to a high-pressure-side port (26) and the suction chamber (16) of which is connected to a low-pressure-side port...
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WO/2013/058265A1 |
The present invention is a compressor control apparatus capable of reducing the time needed to overcome refrigerant liquefaction. A compressor (11) has a motor (M1) having a winding and a compression mechanism (111) driven by the motor (...
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WO/2013/057109A1 |
A peristaltic pump (1) for pumping a liquid comprises a flexible tube (2) for guiding the liquid to be pumped, a compression means (5) being actuatable for compressing the flexible tube (2), an upstream valve means (3) arranged in an ups...
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WO/2013/057178A1 |
The invention relates to a method for operating a feed pump (1), which operates in a pulsating fashion, in a feed unit (2) for feeding a liquid operating substance (3) for a motor vehicle (4) with a feeding direction (5). The feed pump (...
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WO/2013/058225A1 |
[Problem] The purpose of this invention is to make it possible to monitor the operation state of multiple uniaxial eccentric screw pumps by means of a remotely installed monitoring means. [Solution] In this remote monitoring system (1), ...
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WO/2013/053412A1 |
A cylinder head for a compressor includes a closure device that can be adjusted between an unactuated position (off-load) in which the compressor delivers air and an actuated position (off-load) in which the compressor is running in an i...
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WO/2013/047062A1 |
A surplus flow control unit (50) controls an inverter (6): in a manner such that when the flow discharged from a pump (1) is a high flow, the surplus flow from a relief valve (3) is a low surplus flow; and in a manner such that when the ...
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WO/2013/044456A1 |
A control system (300) for a concrete pump truck comprising: a signal processing unit (301) which acquires signals about vibration and gestures of the arm system in real time, optimises the signals about vibration and gesture, and output...
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WO/2013/045182A1 |
The invention relates to an activation unit of an adjustment device for controlling an adjustment cylinder of an axial piston machine in swash plate design. The activation unit has a regulating piston via which an actuating piston of the...
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WO/2013/048793A1 |
A fluid pumping system with energy recovery features may be used to provide feed water to a reverse osmosis unit. The system includes an electronic controller unit that regulates the output of three hydraulic pumps. Each hydraulic pump d...
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WO/2013/040780A1 |
Disclosed is a control system for a variable displacement pump, which system comprises a variable displacement pump control mechanism (1), an oil outlet pipeline (11) of which variable displacement pump control mechanism is in communicat...
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WO/2013/042192A1 |
Provided is a circuit for controlling the amount of discharge of a construction machinery pump, which can be applied easily with respect to a hydraulic circuit having two hydraulic pumps, and with which an engine used for driving the hyd...
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WO/2013/040853A1 |
Disclosed are a cloud computing-based system and method for the management and control of a water pump. The system comprises: an Internet of Things onsite controller, used for setting a normal operation parameter of the water pump, for t...
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WO/2013/042318A1 |
An air compressor comprising: a tank (50), a compression mechanism (30), a motor (5) and a control circuit (7). The control circuit (7) includes a CPU (70) and a storing unit (74) which stores a control program, the compressor operation ...
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WO/2013/039868A1 |
A flow control valve (15) for a direct injection pump (10), the pump having an inlet end (12), an inlet valve (26), a compression chamber (48), a pump piston (14) and an outlet (13). The valve (15) has a housing (16) and a non-electrical...
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WO/2013/037198A1 |
Disclosed in the present invention is a water plunger pump has two plunger groups (1, 2) each comprised bynsists of a water cylinder (11, 12) and an oil cylinder (12, 22). A water cylinder piston and an oil cylinder piston of each plunge...
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WO/2013/039734A1 |
Methods and systems are provided for a compressor including a crankcase. A condition of the compressor may be diagnosed based on a valve leak condition of the compressor based on piston motion within the crankcase. Once a diagnosis is ma...
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WO/2013/037582A1 |
The invention relates to an adjustment device for a hydrostatic machine and a hydrostatic machine having such an adjustment device. According to the invention, there is a fail-safe valve, in addition to a control valve, via which the hyd...
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WO/2013/037512A1 |
The method for producing compressed air, comprises the steps of prearranging a plurality of units (2) for generating compressed air mounted in parallel and suitable to feed a tank (6) of air under pressure; connecting the plurality units...
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WO/2013/038085A2 |
Method for monitoring the volumetric efficiency of a high-pressure pump of a turbomachine hydraulic regulation system comprising a high-pressure volumetric pump delivering a flow rate Q, dependent on an engine speed N of the turbomachine...
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WO/2013/034284A1 |
System for storing energy by means of compressed air, wherein: - a storage volume takes in air under elevated pressure pH, - ambient air is compressed in order to store energy and brought into the storage volume, - for removal from stora...
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WO/2013/031768A1 |
A hydraulic drive device for performing load sensing control. The hydraulic drive device fulfills the same function as devices provided with an unload valve, recovers the energy of hydraulic oil discharged to a tank from a main pump, and...
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WO/2013/033502A1 |
A variable speed drive (VSD) can be used to vary the voltage-to-frequency ratio (V/f) supplied to a compressor motor of a heating, ventilation, air conditioning or refrigeration (HVAC&R) system to make the motor stronger or weaker to com...
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WO/2013/029971A1 |
Disclosed are a clamping lever arrangement, a method for producing a clamping lever of a clamping lever arrangement of said type, and an actuation unit of a hydraulic machine having a clamping lever arrangement of said type, wherein the ...
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WO/2013/032425A1 |
A demand-based load balancing function may be provided by one or more drive controllers that takes advantage of the affinity laws to linearize the control of the variable of interest (e.g., flow, pressure, etc.). Each drive controller ma...
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WO/2013/026115A1 |
Linear compressor comprising a resonant linear motor (4) having a stator (9) and a linear displacer (3), the linear motor (4) cooperating with a resonant spring (2) that is driven by the linear displacer (3) at one of the ends of the res...
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WO/2013/020180A1 |
The invention recites in a swimming pool controller able to control at least one swimming pool pump, the swimming pool controller including a user interface for providing an input; an electrical circuit board electrically connected to th...
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WO/2013/020655A1 |
A stop device for a spring cup of a return spring for an adjusting cylinder of a hydraulic machine is disclosed. Said return spring has two half-shells secured radially via a retaining ring on a fixed rod of the adjusting cylinder. The r...
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WO/2013/014808A1 |
Provided is a system for controlling the number of compressors that has a simple configuration and is capable of quickly producing compressed air in accordance with the use load of compressed air. This system is provided with: a pluralit...
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WO/2013/014807A1 |
Provided is a system for controlling the number of compressors that is capable of quickly correcting the difference between the discharge amount of a compressor and the use amount of a compressed-air-using apparatus, and suppressing pres...
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WO/2013/013403A1 |
A concrete pumping device and control method and device thereof, the control method of the concrete pumping device comprising: when a first pumping of a concrete pump is activated, detecting the preset pumping status of the first pumping...
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WO/2013/011523A1 |
Disclosed is a compressor (1000) capable of producing an energy efficient compression effect. The compressor (1000) includes a driving unit (100) having a driven shaft (10), a transmission unit (500) that includes a gear assembly (410) a...
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WO/2013/010687A1 |
Described is a piston-type compressor (1) having at least one piston cylinder (4). The piston cylinder (4) has at least one compression chamber (7) and also at least one suction port (2) and one pressure port (3). Also provided is at lea...
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