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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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 ...
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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 input u...
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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 ...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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WO/2014/202864A1 |
A booster device for a hydraulic circuit comprising a high-pressure circuit (12) and a low-pressure circuit (16) connected to a system generating the high pressure and to receivers, said booster device maintaining a minimum pressure in t...
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WO/2014/201835A1 |
A high-pressure fluid mixing pump control system and a fluid suction control method. The system comprises a transmission threaded rod and a resolver sensor. One end of the transmission threaded rod is connected to an oil cylinder piston ...
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WO/2014/203994A1 |
Provided is a reciprocating pump capable of easily and accurately monitoring the volumetric efficiency and flow rate of the pump. The reciprocating pump comprises: a pump chamber; a suction port that sucks fluid into the pump chamber; a ...
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WO/2014/196248A1 |
[Problem] To provide a vacuum pump equipped with a control unit and capable of definitively preventing condensation on the surface of a cooling pipe or the vicinity thereof, and effectively reducing trouble such as electronic device fail...
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WO/2014/196222A1 |
Provided is a compressed air production facility that can enhance energy-saving effects while preventing hunting. The compressed air production facility comprises the following: variable speed-use air compressors (1A, 1B) and constant sp...
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WO/2014/195305A1 |
The present invention relates to an arrangement for measuring a delivery volume and/or a delivery rate, comprising an intermittently operating pump (1); at least one outlet line (3) and/or an inlet line (2, 2-1, 2-2); and a passive valve...
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WO/2014/191214A1 |
The invention relates to a method for conveying a metered hydraulic volume in a vehicle braking system by means of an electrically driven motor pump assembly, wherein a mechanical pump of the motor pump assembly is driven by means of an ...
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WO/2014/187512A1 |
The invention relates to an axial piston pump having a swash-plate type construction, in particular for hydraulic systems, comprising a cylinder drum (3) which can be rotationally driven about a rotational axis (7) in a pump housing (1) ...
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WO/2014/181237A1 |
The invention relates to a method for controlling at least a part of a pump station (1) comprising at least a speed controlled pump (2) arranged in a container (3), wherein the method comprises a sub-method (Determine Espec) that is arra...
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WO/2014/179609A1 |
A utility pump including a pump body defining an inlet and an outlet, a pump motor positioned within the pump body and arranged to move fluid from the inlet to the outlet, a control circuit arranged to operate the pump automatically, and...
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WO/2014/174549A1 |
According to the present invention, an engine cooling device (1) is provided with: a first supply pump (11) driven by an engine (EG); a second supply pump (12) driven by an electric motor (M); a first fluid-path switching valve (V1) for ...
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WO/2014/168058A1 |
The present invention provides an apparatus for driving a work machine which is capable of driving one or more hydraulic pumps in a maximally high capacity region at maximum efficiency. In this apparatus for driving a hydraulic shovel, a...
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WO/2014/168918A1 |
Systems and methods for communicating wirelessly with automatic pool cleaners (10) are addressed. Hydraulic cleaners, in particular, may be provided with on-board electricity-generating capabilities, processors, sensors, and transceivers...
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WO/2014/166691A1 |
The invention relates to an axial piston machine having pistons which are guided so as to be movable back and forth in a substantially axial direction in cylinder chambers of a cylinder, and having a pivot cradle (28) which is pivotable ...
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WO/2014/169275A1 |
A water booster control system designed with a controller having an algorithm that determines optimum starting parameters for one or more pumps is disclosed. The water booster control system supplies water to a location at specified oper...
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