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Patent Searching and Data


Matches 701 - 750 out of 27,729

Document Document Title
WO/2015/066310A1
The present invention describes a reciprocating pump containing a pressure sensor assembly including a monitor, a computer, and a pressure sensor in electrical communication with the monitor to sense a pressure value of a fluid within th...  
WO/2015/065198A1
A system for feeding and pumping of less pumpable material in a conduit line (28)is disclosed,comprising at least one main pump (10) for feeding of said less pumpable material into the conduit line (28), and a receiver unit (50) for rece...  
WO/2015/064577A1
This work vehicle is provided with a front work device, and is provided with: a variable capacity hydraulic pump that is driven by an engine and that supplies pressure oil to an actuator that drives the front work device; an operation qu...  
WO/2015/058666A1
A compress overload-protection control method, comprising: checking the status of a compressor (S101); determining whether the compressor is under overload protection (S102); if the compressor is under overload protection, blocking the f...  
WO/2015/059800A1
In the case of conventional water supply devices that utilize multiple motor-driven pumps, the speed of each of said motors being controlled by an inverter, when supplying of water at a high flow rate that cannot be supplied by one pump ...  
WO/2014/190291A3
Variable displacement devices and related methods are provided that can be used to change the amount of volume displaced by pistons within corresponding cylinders. The subject matter disclosed herein can relate to variable displacement d...  
WO/2015/057412A1
Apparatus and method for supplying lubricant to a plurality of lubrication sites. The apparatus includes a controller that diagnoses piston wear by driving the pump to achieve a predetermined pressure, stopping the pump with the piston i...  
WO/2015/056403A1
This invention reduces the probability of malfunctions in elements in a power-factor correction unit while keeping the breakdown voltage of said elements down. This power converter has a rectification unit (22) that rectifies an input al...  
WO/2015/052055A1
The invention relates to an electronic control device for a component of compressed-air generation, compressed-air processing, compressed-air storage, and/or compressed-air distribution, wherein the electronic control device (11) falls b...  
WO/2015/052136A1
The invention relates to a method for operating a pump unit comprising a pump and a drive motor for the latter, said pump unit being disposed in a fluid circuit that is to be filled with a liquid to be moved and in which the liquid to be...  
WO/2015/050411A1
The present disclosure provides an inverter module capable of driving two linear compressors through three upper arm elements and three lower arm elements. To this end, an inverter module according to an embodiment may include an inverte...  
WO/2015/049713A1
An electric oil pump (1) constructed by integrally combining an electric motor (2) with an oil pump (3), wherein: the electric motor is composed of a motor casing (10), a drive shaft (42) that is disposed in a motor housing chamber (12) ...  
WO/2015/049476A1
Autonomous module for the acceleration and pressurisation of a fluid while submerged. The invention relates to an autonomous module (10) for the acceleration and/or pressurisation of a fluid while submerged, comprising at least one pump ...  
WO/2015/045727A1
A gas control device (100) includes a first pump (101), a second pump (201), a first check valve (102), a second check valve (202), and a container (9). The container (9) has a characteristic in which the volume thereof changes in accord...  
WO/2015/046194A1
A refrigerant heating capacity is increased while suppressing an increase in weight or cost. A vehicular air-conditioning device (10) is provided with a heat-pump cycle (16) for heating operation in which an electric compressor (50) for ...  
WO/2015/046075A1
There is a demand for a control device for a vehicle oil pressure supply device that is able to compensate for an insufficient supply of oil when an electric oil pump is in the idling state, and is able to eliminate the idling state quic...  
WO/2015/044351A1
A method comprising determining a first temperature of an oil inside a compressor (1); determining a second temperature at a moveable part (5) of the compressor (1), wherein the second temperature at the moveable part (5) is determined a...  
WO/2015/040404A1
A pump control device for an air controlled double diaphragm (AODD) pump is described. The pump comprises a pump housing, a pumping chamber within the housing, at least two diaphragms and a diaphragm coupling shaft, the diaphragms arrang...  
WO/2015/039765A1
A method of operating a reciprocating compressor for a vapour compression system is disclosed. The reciprocating compressor comprises at least two cylinders and at least two unloaders, each unloader can be operated in an idle mode or in ...  
WO/2015/041805A1
A converterless motor-driven pump system includes an off-grid prime mover. The off-grid prime mover has a rotational driveshaft and operates in response to a throttle control command to control a rotation speed of the rotational drivesha...  
WO/2015/036065A1
The invention relates to a compressor (10) for compressing air for a compressed air system of a motor vehicle, comprising a cylinder housing (14) and a cylinder head (16) which is connected to said cylinder housing. At least one compress...  
WO/2015/034779A2
A pressure switch safety system includes a pressure switch for mounting to a mud pumping system. The pressure switch can be moved from a pressure switch open position to a pressure switch closed position when the pressure within the mud ...  
WO/2015/032137A1
Disclosed are a pneumatic energy-storage cyclic pump and a wind power valley electricity pneumatic energy-storage cyclic water pumping system, which belong to the technical field of submersible pumps. The pneumatic energy-storage cyclic ...  
WO/2015/028385A1
The present invention relates to a method for determining at least one physical variable in a positive displacement pump, wherein the positive displacement pump has a movable displacer element which delimits the metering chamber which is...  
WO/2015/028384A1
The invention relates to a method for optimizing metering profiles of displacement pumps in which a movable displacement element bounds a metering chamber, which metering chamber is connected to a suction line and to a pressure line by m...  
WO/2015/027313A1
A pump jack controller is provided that can harness the waste energy generated during the operation of a pump jack when its electrical motor is in an over-speed condition, and convert that waste energy into electrical energy that can be ...  
WO/2015/029147A1
 A pump system having a pump unit that has an impeller provided inside a pump casing, a synchronous motor for rotatably driving the impeller, and an inverter for controlling the synchronous motor, wherein the inverter has a signal inpu...  
WO/2015/031639A1
A compressor may include a shell, a compression mechanism, first and second temperature sensors, and a control module. The shell may define a lubricant sump. The compression mechanism may be disposed within the shell and may be operable ...  
WO/2015/028386A1
The invention relates to a method for determining hydraulic parameters in a displacement pump, wherein the displacement pump has a movable displacement element, which bounds the metering chamber, which is connected to a suction and press...  
WO/2015/025475A1
This motor-driven compressor is equipped with: a compression mechanism (11); an electric motor (12) for driving the compression mechanism; a drive circuit unit (40A) that is provided at a position where the drive circuit unit can be cool...  
WO/2015/026915A1
A motor assembly for a submersible pump which includes capability of detecting or monitoring one or more operating parameters for the motor, including temperature, pressure and strain.  
WO/2015/023101A1
The present invention relates to an operation number-counting piezoelectric dispenser, more specifically to a dispenser equipped with a piezoelectric pump for dispensing a solution by using a piezoelectric element as an actuator. An oper...  
WO/2015/023429A2
Technologies for use with a hot water recirculation system (200) containing a hot water source (120), a flow sensor (108) downstream from the source, a booster pump (110) downstream from the sensor, and a plumbing fixture (122) downstrea...  
WO/2015/021252A1
A motor control system for a lubricant pump motor comprises a pump system power input, a motor drive, a current sensor, a lubrication controller, and a drive controller. The pump system power input is configured to supply system power. T...  
WO/2015/019489A1
This work vehicle comprises an engine, a hydraulic actuator, a first hydraulic pump, a hydraulic motor, a second hydraulic pump, an accumulator, and a pump control unit. The hydraulic actuator drives a work machine. The first hydraulic p...  
WO/2015/017263A1
Proposed is a method for controlling pressure supplied by a hydraulic pump that includes determining whether there is an impending overshoot in a value of the pressure supplied by the hydraulic pump and engaging a peak and hold controlle...  
WO/2015/013497A1
An improved membrane valve and method for manufacturing such membrane valve. The improved membrane valve can be used for transferring fluids or gases in hermetic or semi-hermetic compressors, including a method and system for manufacturi...  
WO/2015/010799A1
A compressor unit in a portable compressed air source, comprising a reciprocating piston compressor which is driven by a slider crank mechanism and has a piston which is moved in reciprocation in a cylinder, said piston delimiting a comp...  
WO/2015/013477A2
The present invention provides apparatus that features a signal processor or processing module configured to receive signaling containing information about an adaptive or self-calibrating set point control curve and a varying equivalent ...  
WO/2015/009943A2
A method, system and apparatus for delivery of custom blended dispensing custom blended personal care beauty products for a beauty service, wherein one or more components of a beauty product are stored where they may be supplied as neede...  
WO/2015/007465A1
The invention relates to a method for controlling a swivel angle of a hydraulic machine using a control circuit, wherein an electronic swivel angle controller is superposed over an electroproportional swivel angle adjustment.  
WO/2015/007405A1
The invention concerns a compressor unit in a portable compressed air source comprising a piston compressor driven by an electric motor, the piston compressor comprising a piston which is moved in oscillating manner in a cylinder via a s...  
WO/2014/090355A3
The invention relates to a compressor (400') for producing compressed air, in particular for a compressed air supply system (1000) of a vehicle, comprising an electric motor (500) in the form of a brushed direct current electric motor (B...  
WO/2015/009512A2
A charging unit, system and method are provided. The system includes an activation unit and a charging unit. The activation unit includes a pump unit, a pressure circuit with an unloader valve to selectively permit fluid to pass from the...  
WO/2015/004217A1
The invention relates to a piston compressor and to a method for the operation thereof, in particular for supplying air to air spring systems in motor vehicles. Said piston compressor is designed as a multi-piston compressor and is provi...  
WO/2014/206342A1
A servo pump control system (100) and a corresponding servo pump control method are disclosed. The servo pump control system (100) comprises a pressure controller (101) configured to receive a first control signal, and directly or indire...  
WO/2014/206339A1
A control system and method of a VFD-based pump are disclosed. The control system controls an electric motor via a VFD, and the electric motor drives the pump. The control system comprises: an anti-ripple injection module for injecting a...  
WO/2014/206340A1
An anti-ripple injection method for injecting an anti-ripple signal into a control system of a pump is disclosed. The control system controls an electric motor via an electric motor drive, and the electric motor drives the pump. The anti...  
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/2014/182679A3
A method of operating a positive displacement compressor including the steps: applying a first signal to the motor rotor windings for a first duration of time to align the motor rotor to the initial position; applying a second signal to ...  

Matches 701 - 750 out of 27,729