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Patent Searching and Data


Matches 801 - 850 out of 27,589

Document Document Title
WO/2014/040769A1
The invention relates to a device for the drive control of a two-cylinder thick matter pump having a diverter (22) which is arranged in a material charging container (10) and a motor-driven hydraulic variable displacement pump (28), via ...  
WO/2014/035455A1
Provided herein are systems that enable proportional air flow delivery control for an air compressor. One system includes a pneumatic air compression system having a flow control member and being adapted to receive inlet air and to compr...  
WO/2014/026788A1
The invention relates to an actuator device comprising at least one actuator piston (2), with which two springs (11,12) are associated, said device being coupled to an adjustment device. The adjustment device is designed as a pivoting ad...  
WO/2014/026789A1
The invention relates to an actuator device comprising at least one actuator piston (82), with which at least one spring and two electromagnets (98,99) are associated, said device being mechanically coupled to an adjustment device (84). ...  
WO/2014/028711A1
A system and method are provided for detecting an impending stall or surge in a radial compressor. The system and method may include a plurality of detection devices configured to detect a transition of a low momentum zone of a gas flow ...  
WO/2014/023312A1
A hydraulically driven diaphragm pump (1) comprises: a housing having a side (8) arranged to be connected with a membrane unit, a pumping element having a piston barrel (14) and a piston (17); and a fluid reservoir (10) wherein the pumpi...  
WO/2014/023642A1
The method is used to detect the flow rate value of a centrifugal pump, wherein the rotational speed of the pump or of the motor driving the pump, a hydraulic variable of the pump, typically the delivery pressure, and an electrical varia...  
WO/2014/022228A1
A zero turn mower vehicle (10) includes left and right hydrostatic transmissions (11a, 11b) driving wheels (15a, 15b). The transmissions (11a, 11b) each include a swashplate type axial piston hydraulic pump (17) having a swashplate (22)....  
WO/2014/019313A1
Disclosed is a pumping mechanism, comprising a pumping cylinder (1), a swinging cylinder (2), a first reversing valve (3), a second reversing valve (4), a main pump (5) and a swinging pump (6), wherein the main pump (5) is used for drivi...  
WO/2014/019250A1
Disclosed is a method and a device for optimizing the operational control of compressors in a multi-couple unit air-conditioning system. The method comprises: acquiring rated output amount information and rated power consumption amount i...  
WO/2014/016304A1
The present invention relates to a hydraulic circuit including: a variable-displacement pump (1), supplying fluid to said circuit; a booster pump (2); and a pump control (5), controlling the displacement of said variable-displacement pum...  
WO/2014/012195A1
A deep-well pump. A direct-current brushless motor controlled by a square wave signal or an alternating-current permanent-magnet synchronous servo motor controlled by a sine wave signal is used as a motor (3) of the deep-well pump. A con...  
WO/2014/013666A1
The control device of the electric compressor establishes a rising temperature region (A), a decreasing temperature region (B) and a steady state region (C) from changes in the temperature of the switching element and sets the carrier fr...  
WO/2014/010218A1
In the present invention, the amount of increase in the amount of heat release of an inverter is increased by increasing the standing loss of an IGBT element in the inverter in order to prevent frost formation at an outdoor heat exchange...  
WO/2014/009983A3
A system is described, in particular for cleaning, comprising: at least one high-pressure pumping unit (1) adapted to pump water or other similar fluids with a high output pressure; at least one electric motor (3) connected to the variab...  
WO/2014/010222A1
This tilt angle control device (1) has pressure sensors (51-56), and the pressure sensors (51-56) output to a control unit (60) a pressure command signal that is in accordance with the amount of operation. The control unit (60) outputs a...  
WO/2014/005839A1
The present invention describes an electrohydraulic lifting device and a method for controlling said electrohydraulic lifting device. The lifting device consists of a known lifting device according to DE 1 023 289, wherein the lifting de...  
WO/2014/007739A1
The invention relates to a method for controlling a pump station (1) comprising a pump well (3) for accommodating liquid and at least one in said pump well (3) located pump (2) for pumping liquid from the pump well (3), said at least one...  
WO/2014/002435A1
This horsepower limiting device (101) is equipped with: a pressure sensor (5), which detects the discharge pressure of a hydraulic pump unit; a parallel feed-forward compensator (9), which outputs a compensation value for the purpose of ...  
WO/2013/192036A1
In a linear displacement pump, liquid is discharged by driving a piston along at least part of a stroke length. While discharging the liquid, a linear position of the piston is sensed at a plurality of positions along the stroke length, ...  
WO/2013/185445A1
Disclosed are a flow distribution system and a flow distribution method. The flow distribution system is used to adjust a pump flow and comprises a rotational speed measurement device, a controller, and a flow control unit. The rotationa...  
WO/2013/184979A1
Methods, systems, and techniques for structuring, operating, and/or controlling a variable fluid flow system of a machine are provided. In various embodiments, a supplemental pump and/or an electric motor can be leveraged in combination ...  
WO/2013/178762A1
The invention concerns a safety device 1 for a compressor fitted to a coolant fluid circuit, comprising at least one inlet 6 capable of receiving the coolant fluid and at least one outlet 7 through which the coolant fluid is capable of e...  
WO/2013/174120A1
A pumping mechanism comprises a pumping cylinder (1), an oscillating cylinder (2), a first reversing valve (3), a second reversing valve (4), a main pump (5), an oscillating pump (6), and a controller (7). The main pump (5) drives the pu...  
WO/2013/173524A9
In embodiments disclosed herein, a diagnostic system is provided having a cartridge comprising at least one needle; at least one reservoir; at least one fluidic seal; and at least one fluidic channel of a fluidic pathway, wherein the car...  
WO/2013/171245A1
The invention relates to a pump unit comprising a pump and an inverter drive, said inverter drive comprising a motor for driving the pump, a control unit for controlling the motor and a storage unit operatively connected to the control u...  
WO/2013/173524A2
In embodiments disclosed herein, a diagnostic system is provided having a cartridge comprising at least one needle; at least one reservoir; at least one fluidic seal; and at least one fluidic channel of a fluidic pathway, wherein the car...  
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...  
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 ...  
WO/2013/166122A3
A fuel system includes a pump unit having at least a fixed displacement pump supplying pressurized flow. A fuel control assembly receives flow from the pump unit and includes at least one metering valve and at least one throttling valve....  
WO/2013/166108A3
A pump assembly includes a pump unit having a centrifugal pump and a variable pump supplying pressurized flow. A fuel control assembly receives flow from the pump unit and includes at least one metering valve and at least one throttling ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
WO/2013/158518A3
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 ...  
WO/2013/159087A3
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),...  
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...  
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),...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 801 - 850 out of 27,589