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Patent Searching and Data


Matches 201 - 250 out of 21,953

Document Document Title
WO/2023/288081A2
The present invention provides a sump pump system, including a sump pump monitor and application. The sump pump system includes a sump pump. Components of the sump pump system are installed in and/or near a sump. The sump collects liquid...  
WO/2023/286557A1
Provided are: an electrically-driven pump device that is configured to output the actual rotation speed of a motor with respect to a received instructed rotation speed, and is capable of determining a disparity between the instructed rot...  
WO/2023/285088A1
The application relates to an electronic control unit for reducing an operating noise of an electrical coolant compressor, comprising an electric speed-controlled compressor motor, of an air-conditioning system in an electrified motor ve...  
WO/2023/272778A1
A turbine fracturing device, comprising: a main power assembly (1), comprising a first power source (11) and a plunger pump (12), wherein the first power source (11) provides power output for the plunger pump (12), and the plunger pump (...  
WO/2023/276404A1
This monitoring apparatus for a ship steering engine comprises at least one processing device that monitors, as monitoring targets, a plurality of pump units, acquires at least one type of measurement values representing the operation st...  
WO/2022/271426A1
A system includes a source (102) that provides air, a first compressor stage (112) that receives the air from the source and is configured to compress the air to a first pressure, and a second compressor stage (114) that receives the air...  
WO/2022/268661A1
The invention relates to a compressed air providing system (10), in particular for tires (14) of a motor vehicle, comprising a compressor (16) with an electric motor (18). A supply connection (22) is provided for connecting the compresse...  
WO/2022/268354A1
The invention relates to a heating device comprising a burner device (1) and a monitoring device (3). The monitoring device (3) monitors a pump device (10) of the burner device (1) by evaluating a current signal that can be tapped from a...  
WO/2022/262174A1
A transmission hydraulic system (100), a control method, and a vehicle. Target rotational speed of an electronic oil pump (50) is determined according to the temperature of a clutch (70) and the oil temperature at an outlet of an oil coo...  
WO/2022/264211A1
The present invention provides industrial equipment capable of communicating with an external terminal that can take measures against external attacks without involving complicated authentication and procedures, can reliably connect to t...  
WO/2022/260856A1
An inlet valve system (10), as may be used for a cylinder chamber (20) of a compressor, such as a reciprocating compressor, is disclosed. A plurality of inlet valves (250) is movable between an open position and a closed position. The pl...  
WO/2022/251332A1
An adaptive flow rate control system for a surgical device, whereby the control system includes one or more nonintrusive sensors configured to be positioned on an aspiration conduit extending downstream from a handheld surgical device to...  
WO/2022/243409A1
The invention relates to a shutoff valve (1) for controlling the capacity of a piston compressor (2), the shutoff valve allowing more efficient operation of the piston compressor (2). According to the invention, the shutoff valve (1) has...  
WO/2022/243682A1
Aspects of the present invention relate to a pump monitoring system (1) for identifying a fault condition in a vacuum pump (3). The pump monitoring system (1) includes a controller (23) and a microphone (37) for detecting sound waves. Th...  
WO/2022/237351A1
A fracturing control device, relating to the technical filed of oil and gas exploration. In the fracturing control device, a first chemical agent storage tank (101) is connected to a first delivery pump (102); a material outlet of the fi...  
WO/2022/236401A1
An apparatus for use in stabilising a plurality of float switches connected to a sump pump, comprising: a rigid elongate member which is substantially planar and has a plurality of spaced-apart notched openings disposed along its first l...  
WO/2022/236379A1
A materials handling device has a mounting frame, and vacuum modules mounted on the mounting frame. Each vacuum module has a cup, and an electrically powered vacuum pump. Each cup has a body, a rim to contact a workpiece, an internal reg...  
WO/2022/237172A1
A compressor (130) control method for a refrigerator (10) and the refrigerator (10). The control method comprises: obtaining the actual power and actual rotational speed of the compressor (130), and determining a rotational speed set val...  
WO/2022/237031A1
An air compressor pressure-regulating valve capable of conveniently regulating a pressure set interval value, the air compressor pressure-regulating valve comprising a pressure-regulating valve body (1), a balance piston (2), a pressure-...  
WO/2022/234087A1
The invention relates to an apparatus for compressing a gas suitable for a drive and to a method for filling a tank using said apparatus, the filling process taking place via a plurality of compression stages. During filling via a compre...  
WO/2022/235571A1
An unloader valve includes a seat including a plurality of inlet apertures spaced apart from one another and extending through the seat along one of a plurality of parallel inlet axes. A manifold plate is fixedly connected to the seat an...  
WO/2022/234089A1
The invention relates to an apparatus for compressing a gas suitable for a drive and to a method for filling a tank using said apparatus, the filling process taking place via a plurality of compression stages. During filling via a compre...  
WO/2022/234877A1
The present invention relates to an infant car seat comprising: an air chamber configured to have a predetermined area when air is filled therein so that an infant can be seated thereon; a control unit connected to the air chamber and pr...  
WO/2022/227829A1
A metering pump capable of intelligently and digitally adjusting a flow, and a working method thereof. The metering pump comprises a metering pump body, a servo motor (15), a servo motor controller (11), a PLC (12) and a display screen (...  
WO/2022/230252A1
This compressor comprises: a compressor unit (100) including a compressor main body for compressing a gas, and a motor for driving the compressor main body; and a control device (180) for performing number control of a plurality of the c...  
WO/2022/226026A1
A hydraulic circuit arrangement includes a plurality of electronically- commutated pumps (10a-10f) providing flow to a common hydraulic line (65), each of the electronically-commutated pumps provided with an associated electronically-com...  
WO/2022/222564A1
A method for controlling a variable frequency compressor. The variable frequency compressor comprises a controller configured to output a frequency waveform required for the operation of the variable frequency compressor. The method comp...  
WO/2022/222518A1
A fracturing apparatus, a control method for the fracturing apparatus, and a fracturing system. The fracturing apparatus (100) comprises a plunger pump (110), a prime mover (120), a clutch (130) and a clutch hydraulic system (140), where...  
WO/2022/224528A1
The present invention relates to a pump control device and a pump system. A controller 26 of a pump control device 20 performs first control for driving a motor 22 such that the rotational speed (N) of the motor 22 exceeds a target value...  
WO/2022/218010A1
A water pump having a safety valve, used for an oral cavity cleaning device. The water pump comprises a pump body assembly, a water pump power assembly (2) and a safety valve. The pump body assembly comprises a pump body (1), which has a...  
WO/2022/220495A1
The present invention provides an electric compressor comprising: a drive unit which has a motor accommodated therein; a compression unit which is provided at one side of the drive unit and driven by the drive unit to compress a refriger...  
WO/2022/218818A1
The invention relates to a hydraulic drive, comprising a variable-rotational-speed drive machine (2) and a hydraulic machine (4), which is coupled to said drive machine and has a displacement volume which can be adjusted to zero and both...  
WO/2022/219029A1
The invention relates to a system (1) for detecting leaks by means of a tracer gas intended to be connected to a sniffing probe to check the airtightness of an object to be tested filled with the tracer gas, comprising a first pumping de...  
WO/2022/220492A1
The present invention provides an electric compressor comprising: a driving unit accommodating a motor therein; a compression unit provided on one side of the driving unit, driven by means of the driving unit, and for compressing a refri...  
WO/2022/214638A1
The invention relates to an aerial work platform which comprises a chassis, a platform, a lifting structure moved by hydraulic actuators (41, 42) and a hydraulic system (S), controlled by a control unit (50) and including a circulation c...  
WO/2022/217254A1
Embodiments provide functionality to control real-world mechanical systems through the creation and deployment of machine learning models. An embodiment creates the machine learning model by extracting (i) an indication of efficiency and...  
WO/2022/217262A1
A pump health monitoring system is provided. Such a system includes one or a plurality of data capture devices that together collect a multiple variable data set relating to a device being monitored such as a water pump device for a pool...  
WO/2022/207949A1
The invention relates to a device (D) for controlling a hydraulic pump and for regulating/adjusting/reducing the output pressure (Pwork), comprising: a housing (H) wherein a fluid inlet (I) and outlet (O) are defined; an inlet chamber (C...  
WO/2022/212504A1
The exemplary embodiments control solvent pumps so that system flow is constant. One or more controllers may control the flow rate produced by the pumps over time. The one or more controllers control a first pump so that, as the first pu...  
WO/2022/210374A1
The present disclosure provides a fluid control device capable of detecting that a blocked state has occurred in a flow passage, and a method for detecting a blocked state. A pump unit (10) comprises: a first flow passage (11); a u-piezo...  
WO/2022/205869A1
A wide-area, large-scale urban drainage pump station unattended system and a construction method. The system comprises: a pump station layer (10), which is responsible for acquiring pump station information, and transmitting the informat...  
WO/2022/212481A1
An SMA actuated capsule micropump is provided having a linear actuation which leads to large deflection, high discharge volume, and high static head pressure. The pump is designed for drug delivery applications by introducing a replaceab...  
WO/2022/209481A1
The present disclosure provides: a fluid control device in which the output of a pump can be easily adjusted even when a change occurs in atmospheric pressure; and an output adjustment method. A pump unit (10) comprises: a first flow pat...  
WO/2022/209945A1
In the present invention, a control circuit executes a first mode, a second mode, and a third mode in sequence as a specific pattern control. In the first mode, the control circuit closes a u-valve (17), drives a u-piezoelectric pump (12...  
WO/2022/212555A1
A spraying system for applying an application fluid having an induction manifold, a hose reel subsystem, a pump element disposed between the manifold and the hose reel subsystem, an application fluid subsystem having a plurality of reser...  
WO/2022/202423A1
This electric pump 1 comprises: a motor part 3; a pump part 2; a housing 5 which accommodates the motor part 3 and the pump part 2; an intake port 63 and a discharge port 65 which are formed in a surface of the housing 5; an intake pipel...  
WO/2022/201685A1
A decompression system 3 comprises an electric pump 7 that decompresses a primary-side space with respect to a secondary-side space and a control device that controls the motor 7M of the electric pump 7, wherein the control device 8 comp...  
WO/2022/198818A1
A control method and control apparatus applied to electrically driven fracturing equipment The electrically driven fracturing equipment (100) comprises a plunger pump (200) and a first motor (110) for driving the plunger pump (200). The ...  
WO/2022/200092A1
Method for controlling a compressor (10) which drives a pneumatic tool, with a maximum allowed pressure (p_max) and an associated compressed air consumption (q_max), the method comprising the step of regulating the operating pressure (p_...  
WO/2022/196961A1
The invention relates to a housing unit (1) for an electronic component, in particular for an inverter of an electrical refrigerant compressor, wherein the housing unit (1) comprises a first housing element (2) and a second housing eleme...  

Matches 201 - 250 out of 21,953