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Patent Searching and Data


Matches 1 - 50 out of 26,969

Document Document Title
WO/2018/007302A1
The invention relates to a method for controlling a vacuum pump in the vacuum supply of a motor vehicle with an oil supply for lubrication by a drive motor, wherein the vacuum pump is operated electrically and is connected to a controlle...  
WO/2018/009402A1
An inlet valve system for a cylinder chamber of a reciprocating compressor and a method for unloading the inlet valve system are provided. The inlet valve system may include an unloader, a valve assembly including a cylindrical valve bod...  
WO/2018/008456A1
An electric-powered oil pump device (100, 200) is provided with: an electric-powered oil pump (10); and a microcomputer (30) which acquires the static friction torque (Tf) of a motor (11) and a pump unit (12) of the electric-powered oil ...  
WO/2018/009142A1
An infusion pump is disclosed, which comprises a housing, a chamber located in the housing, an outlet, an outlet valve between the chamber and the outlet, an inlet,and an inlet valve between the inlet and the chamber. At least one of the...  
WO/2018/005333A1
A method for providing well safety control in a remedial electronic submersible pump (ESP) application including a making up an electric submersible pump (ESP) on a conduit with a primary well control capability; running the foregoing th...  
WO/2018/000866A1
Disclosed is an emergency energy system of an air compressor, comprising an air filter (2), an air compressor (4), a dryer (18) and a vehicle gas tank (19) successively connected via gas delivery pipelines (1), and further comprising a c...  
WO/2018/003253A1
Provided is a control valve for variable-capacity compressor, with which it is possible to ensure the attraction of an electromagnetic actuator and improve startup characteristics, without making the control valve larger in size. On the ...  
WO/2017/220693A1
The invention relates to a particularly compact, efficient and operationally reliable pump device (10) for conveying fluid (126) to be pumped, comprising at least one drive unit (284) having a drive (62) and at least one receiving area (...  
WO/2017/215992A1
The invention relates to a valve device for actuating a multi-stage compressor unit, comprising a first compressor stage (1a) and at least one second compressor stage (1b) downstream thereof for compressing compressed air in accordance w...  
WO/2017/217667A1
Disclosed is an embedded packaging device embedded and installed in an installation target and packaging by sucking through a vacuum hole in a zipper bag having a zipper and the vacuum hole. Such an embedded vacuum packaging device compr...  
WO/2017/215839A1
The invention relates to a feed-supply pump (10) for cryogenic fuels (1), comprising an intake port (22) which can be connected at least directly to a tank container (2) for the fuel (1), a pressurized connection (23) which can be connec...  
WO/2017/215991A1
The invention relates to a method and to an apparatus for vibration compensation in a piston compressor, the piston compressor (1) of which is driven by means of a crankshaft (5) by a three-phase motor (2) controlled by a frequency conve...  
WO/2017/218345A1
A method implemented by a motor drive to drive a pump of a liquid pumping system. The method includes receiving a wetness signal from a wetness sensor; determining based on a wetness signal if moisture has been detected by the wetness se...  
WO/2017/212919A1
A pump device (100) is provided with: a tilt actuator (15) that controls the tilt angle of a swash plate (11) in a variable capacity-type first pump (10); a regulator (60) that adjusts a control pressure (Pcg) in accordance with the pres...  
WO/2017/212584A1
The compressor drive device (14) comprises: a compressor (9); a rectification unit (5) for rectifying an alternating-current voltage into a direct-current bus voltage; an inverter device (8) for outputting a voltage command value, which ...  
WO/2017/211128A1
A compressor protection circuit, comprising: a voltage divider circuit (10), provided with a temperature control switch and used for outputting a voltage signal in response to an action of the temperature control switch, the temperature ...  
WO/2017/212623A1
The present invention provides an air compressor, the reliability of which has been improved with consideration of condensation of moisture in compressed air. The present invention comprises a compressor body, a compression chamber of th...  
WO/2017/212918A1
A pump device (100) is provided with: a variable capacity-type first pump (10); a tilt actuator (15) that controls the tilt angle of a swash plate (11) in the first pump (10) in accordance with a control pressure (Pcg); a regulator (60) ...  
WO/2017/214257A1
A pump controller features a signal processor configured to respond to signaling containing information about three corresponding discrete arrays with respect to a discrete motor speed for each system position at a motor speed derived fr...  
WO/2017/206094A1
The present invention is applied in the technical field of fluid transport, and particularly relates to an apparatus for automatically pumping fluid, comprising: a fluid medium transport means (12), a detection protective pipe (5), and a...  
WO/2017/203858A1
Controllability of a linear motor or a compressor is improved. Provided is a linear motor system in which an armature having a magnetic pole and a winding wire and a mover having a permanent magnet are relatively movable, the linear moto...  
WO/2017/201616A1
Several unique screw-based linear sucker rod top drives are disclosed, along with a unique failsafe system where the terminals of a permanent magnet motor are connected to a braking resistor in the event of variable frequency drive failu...  
WO/2017/204037A1
Provided is an in-vehicle compression device that is capable of operating a compressor at a low current, and capable of operating the compressor at low noise and vibration levels in accordance with the condition of the vehicle. The in-ve...  
WO/2017/200514A1
An air dryer having a heater element associated with its valves to prevent freezing at cold temperatures. The air dryer includes a temperature sensor and an electronic controller that reads the temperature sensor during normal operations...  
WO/2017/198458A1
The invention relates to a coating agent pump (1) for conveying a coating agent in a coating installation, in particular for conveying paint in a painting installation, comprising an electric drive motor (3) for driving the coating agent...  
WO/2017/198511A1
The invention relates to a method for stopping a submersible pump when the pump is snoring, wherein the pump is operatively connected to a control unit. The method is characterized by the steps of regulating, by means of the control unit...  
WO/2017/195589A1
This tilt angle control device for a hydraulic rotary machine is provided with: a servo piston that moves in the flow rate increasing direction and the flow rate decreasing direction; a first housing that forms a first pressure receiving...  
WO/2017/196673A1
A cylinder head assembly for a compressor according to the present disclosure includes a valve plate and a cylinder head. The valve plate is configured to mount to a mounting surface of the compressor. The valve plate includes a suction ...  
WO/2017/197321A1
A control system for operating a beam pumping unit includes a strain gauge and a beam pumping unit controller. The strain gauge is coupled to a Samson post of the beam pumping unit, and is configured to measure a Samson post strain. The ...  
WO/2017/197282A1
A fuel delivery injector includes a housing, an end cap including an inlet port fluidly coupled to a cavity to direct fuel vapor and liquid fuel into the cavity and an outlet port fluidly coupled to the cavity to direct fuel vapor and li...  
WO/2017/194389A1
The fuel pump (10) further comprises a mechanical regulating valve (42) arranged in the pump body (14, 16) and adapted to modulate, in use, the pressure in a high pressure space so that, said pressure matches the engine demand, said modu...  
WO/2017/191367A3
The object of the invention is a transmission arrangement for a moveable device, such as a door (1 ) opening mechanism (2) and a method for using a device moved with a hydraulic cylinder (3). The method comprises at least the following s...  
WO/2017/191292A1
The invention relates to a medical treatment device having a hose set (20) and a peristaltic hose pump (6) for conveying fluid, and having a monitoring device (15) for monitoring the occlusion of the displacer (13A, 13B) of the hose pump...  
WO/2017/191367A2
The object of the invention is a transmission arrangement for a moveable device, such as a door (1 ) opening mechanism (2) and a method for using a device moved with a hydraulic cylinder (3). The method comprises at least the following s...  
WO/2017/190024A1
A hydraulic pumping system in accordance with embodiments comprises a breast interface operably coupled to an actuatable assembly by means of an actuatable assembly interface. The breast interface comprises a distal membrane coupled to a...  
WO/2017/187228A1
A hydraulic pump assembly includes a stationery pump body with a back panel, at least one compression chamber in the pump body, a piston slidably disposed in the compression chamber, an input shaft, an actuator means for reciprocating th...  
WO/2017/188917A1
Methods and systems for determining the concentration, and hence pH, of an aqueous antimicrobial solution for treatment of food work pieces. The methods involve storing the original starting amount and concentration of water and acid of ...  
WO/2017/186416A1
The invention relates to a piston compressor for compressing a gas, which optionally can be disconnected from a drive device by means of a clutch. The piston compressor has an inlet valve, which is arranged between an inlet line for gas ...  
WO/2017/186415A1
The invention relates to a piston compressor comprising at least one cylinder for compressing air with a piston arranged such that it can move therein in a compression chamber arranged above the piston in the cylinder. The compression ch...  
WO/2017/187982A1
In order to provide a method for determining light load abnormalities in an electric oil pump with which erroneous determinations regarding light load abnormalities can be reliably prevented with an inexpensive configuration, the present...  
WO/2017/182566A1
The invention relates to a control assembly (1) for the closed-loop or open-loop control of a compressor device that has a housing for a compressed fluid, wherein a deformable structural element (4) of the housing is arranged between a f...  
WO/2017/185094A1
A system and method for fueling multiple saddle tanks of hydraulic fracturing equipment from a single self-propelled cart. The cart having multiple retractable fuel lines for providing and obtaining fuel. Each retractable fuel supply lin...  
WO/2017/180839A1
A controller for operating a prime mover of a rod pumping unit includes a processor configured to operate the prime mover over a first stroke and a second stroke. The controller is further configured to compute a first motor torque imbal...  
WO/2017/181091A1
A converter circuit is provided and includes: a first EMI filter connected to AC lines and includes one or more across-the-line capacitors; a charging circuit that receives power from the first EMI filter and limits an amount of current ...  
WO/2017/178261A1
The present invention relates to a method for transmitting or conveying fluid or semi-fluid materials, in particular concrete or cement, by means of a double piston pump (1), which comprises two conveying cylinders (3, 4), each provided ...  
WO/2017/181071A1
A drive includes an inverter power circuit that applies power to an electric motor of a compressor from a direct current (DC) voltage bus. A power factor correction (PFC) circuit outputs power to the DC voltage bus based on input alterna...  
WO/2017/177287A2
Method for protecting an electric motor of a motor driven consumer equipped with a controller for controlling the capacity or the power of the consumer, characterised in that the method comprises the following steps: - the determination ...  
WO/2017/174717A1
Compressor for generating compressed air for a commercial vehicle, having a housing with a piston chamber in a crankcase and a dead space which is configured at least in the cylinder head. Furthermore, the compressor has a valve device w...  
WO/2017/173507A1
Electrically driven mobile compressor or pump, comprising at least one compressor element or pump element (2) for supplying a pressurised fluid to a network (3) of consumers (4) of such pressurised fluid; an electric drive motor (5) with...  
WO/2017/167474A1
A variable displacement axial piston pump including a cylinder block defining a plurality of cylinder bores, each receiving a piston. A swash plate having a piston-supporting surface is pivotally supported relative to the cylinder block....  

Matches 1 - 50 out of 26,969