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Patent Searching and Data


Matches 901 - 950 out of 27,589

Document Document Title
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 ...  
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...  
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 (...  
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...  
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 (...  
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), ...  
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...  
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 ...  
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...  
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...  
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...  
WO/2013/045148A3
The invention relates to a method for operating an electronically commutated electric motor, comprising the determination of an actual power value in relation to a target power value of the electric motor; the determination of a correcti...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2013/034284A8
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...  
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...  
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...  
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...  
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 ...  
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...  
WO/2013/026115A4
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2013/013974A3
Described is a method for controlling/regulating a fluid conveyer (112) for conveying a fluid (118) within a fluid line (114, 116), wherein the method has the steps: receiving information (128) regarding a setpoint flow rate of the fluid...  
WO/2013/012832A3
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  

Matches 901 - 950 out of 27,589