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WO/2017/080632A1 |
The invention relates to a method for controlling at least one first circulation pump (17b, 17c) of a heating or cooling system (1) having a primary circuit (2, 2a) and a secondary circuit (4, 30a) coupled therewith at a transfer point (...
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WO/2017/083141A1 |
A method, in some embodiments, comprises: obtaining a plurality of parameters from multiple electric submersible pump (ESP) systems, an ESP in each of said ESP systems meeting one or more predetermined health criteria; identifying one or...
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WO/2017/076649A1 |
Coolant pumps for internal combustion engines are known, comprising a drive shaft (18), a coolant pump impeller (20) which is securely arranged on the drive shaft (18) at least in a rotationally fixed manner and via which coolant can be ...
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WO/2017/076647A1 |
Coolant pumps for internal combustion engines are known, comprising a drive shaft (18), a coolant pump impeller (20) which is rigidly arranged on the drive shaft (18) at least in a rotationally fixed manner and by means of which coolant ...
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WO/2017/076648A1 |
Methods are known for controlling a mechanically controllable coolant pump for an internal combustion engine, wherein coolant is conveyed by means of a coolant pump impeller (20) into a conveying channel (12) surrounding the coolant pump...
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WO/2017/076524A1 |
The invention relates to a coolant pump for the automotive industry, comprising a drive shaft (18), a coolant pump impeller (20), which is arranged on the drive shaft (18) at least for conjoint rotation and by means of which coolant can ...
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WO/2017/079309A1 |
A centrifugal pump includes a selectable regenerative style pumping element, including a regenerative pump rotor and at least one side wall flow channel formed by a rotating disc. The regenerative pumping element is selectable between a ...
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WO/2017/076645A1 |
Coolant pumps for internal combustion engines having a drive shaft (18), having a coolant pump impeller (20) which is arranged at least rotationally conjointly on the drive shaft (18) and by means of which coolant can be delivered into a...
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WO/2017/076646A1 |
Coolant pumps for internal combustion engines having a drive shaft (18), a coolant pump impeller (20) which is connected at least fixedly on the drive shaft (18) so as to rotate with it and via which coolant can be conveyed, an outer hou...
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WO/2017/076644A1 |
The invention relates to control arrangements for mechanically controllable coolant pumps comprising an adjustable control slide (56), by means of which a through-flow cross-section of an annular gap (60) between an outlet (62) of a cool...
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WO/2017/072604A1 |
A valve group (10) for a pump (1) of a cooling circuit of a vehicle suitable to regulate the passage of a predefined quantity of cooling liquid in the cooling circuit extractably insertable in the pump body (2). The valve group (10) incl...
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WO/2017/067371A1 |
A multi-dimensional sensing detection circuit, comprising an initial setting, a detection part and an execution element, wherein the detection part comprises a first arithmetic unit, a second arithmetic unit, a PID adjuster, a data compa...
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WO/2017/063969A1 |
The invention relates to a pump unit (12) having a pump housing, a rotor (18) arranged in the pump housing (16; 16') so as to be able to rotate, an electric motor (20) which is connected to the rotor (18) and can selectively be operated ...
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WO/2017/063970A1 |
The invention relates to a pump assembly comprising at least one impeller (18) which is connected for the rotation thereof to an electric drive motor (20) that can be driven in two rotational directions (A, B), and comprising at least on...
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WO/2017/059921A1 |
The proposed method includes an initial checking step, during which a pump (2) of a filtering circuit is operated at a given checking operation frequency (N) meanwhile a pump checking operation value (I) is measured, and using the measur...
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WO/2017/051283A1 |
A pump group (10) of a cooling system for an engine (550) of a vehicle comprises an electric drive (4) comprising a first one-way coupling (52), a mechanical drive (5) comprising a second one-way coupling (43), and an electromagnetic pul...
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WO/2017/048903A1 |
A wind turbine condition monitoring system includes a light source configured to produce an emitted light beam and a plurality of optical sensors configured to be positioned on a wind turbine to receive the emitted light beam from the li...
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WO/2017/034124A1 |
The present invention relates to a rotating blade coupling structure having a blade angle varying function and a pump having the same, and is advantageous in that a blade angle adjustment unit, which rotates all shafts of a plurality of ...
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WO/2017/021222A1 |
A submersible pump (600) may be provided including a pump housing (602), a motor disposed within the pump housing (602), a pump discharge (624), one or more discharge hose connectors (642), a discharge hose connector fastener (640) confi...
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WO/2017/021221A1 |
A submersible pump (100) is provided including a pump housing (102), a motor (120) disposed within the pump housing (102) configured to power an impeller (122), a float switch (116) configured to control supply power to the motor (120), ...
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WO/2017/023596A1 |
A pump system includes an interface detection meter (380) arranged at a pipeline assembly (350), a drive assembly (322, 324) for controlling speed of a pump (302, 304, 306, 308) arranged at the pipeline assembly (350), a discharge pressu...
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WO/2017/021220A1 |
A submersible pump (100) is provided including a pump housing (102), a motor (120) disposed within the pump housing (102), a pump discharge (124), a pump base (104) to support the submersible pump (100), an impeller (122) disposed in an ...
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WO/2017/017431A1 |
An underwater trenching apparatus and pumping apparatus and method of operating an underwater trenching apparatus is disclosed. The underwater trenching apparatus and pumping apparatus includes: first and second pumps and a trench-cuttin...
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WO/2017/013525A1 |
A valve assembly (10) for a pump (1) of a cooling circuit of a vehicle having a pump body (2) with a housing compartment (200) downstream of the impeller (4) in which said valve assembly (10) it is insertable in removable manner. The val...
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WO/2017/010891A1 |
The invention provides a subsea or downhole pump comprising an inlet and an outlet, a multiphase fluid flow entering the inlet can have a variation in the GVF- gas volume fraction-of the fluid, distinctive in that the pump includes or is...
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WO/2017/008145A1 |
A technique for providing a water pumping system suitable for fighting wildfire, flood mediation, sewage transport, and the like is revealed. The system includes an internal combustion engine, a CVT with an input shaft and an output shaf...
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WO/2016/204784A1 |
A method and system for determining a mechanical status of a downhole induction motor of an electric submersible pump (ESP) are provided. The method includes converting a time series signal of a multi-bearing induction motor to a frequen...
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WO/2016/179619A1 |
The invention relates to a centrifugal pump (1), in particular a water pump, which is designed as a radial pump or a mixed flow pump, comprising an impeller (3) which is arranged in a housing (2) in a rotatable manner about an axis (8), ...
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WO/2016/182987A1 |
An apparatus may include an enclosure and a variable frequency drive (VFD) assembly disposed within the enclosure, and comprising at least one VFD. The apparatus may also include a heat sink thermally coupled to the VFD assembly, and a f...
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WO/2016/178387A1 |
This horizontal shaft submersible pump includes: a casing having a suction port and a discharge port; an impeller supported in the casing; a suction cover connected to the suction port; a first suction opening which is provided in the su...
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WO/2016/176712A1 |
The invention relates to a coolant pump (4) for an internal combustion engine (1), having a housing (5) which has a housing cover (6) and in which an impeller (8) is arranged which is rotatable about an axis of rotation (7) and has a suc...
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WO/2016/173660A1 |
The invention relates to an immersion pump (10) comprising a pump housing (12) in which a pump device (22) is arranged, and which has at least one pump inlet (30) and at least one pump outlet (32). In addition, the immersion pump (10) co...
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WO/2016/173722A1 |
The invention relates to a pump (1, 101) comprising a pump housing (2, 102) having an intake opening (5, 105) and a plurality of outlet openings (6, 106), comprising a pump wheel (9, 109) that is accommodated in the housing (2, 102) in a...
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WO/2016/173980A1 |
The invention relates to a method for determining a pressure value in a fluid conveying system of a motor vehicle, having an actuable electric motor and having a fluid feed pump which can be driven by the electric motor, wherein the meth...
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WO/2016/158186A1 |
At least one drive unit among a first drive unit (9) and a second drive unit (9D) maintains an impeller (10) at a position in the center of the movement range of the impeller (10) inside a pump chamber (7) in a direction along the rotati...
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WO/2016/158185A1 |
A drive unit (9) for driving an impeller (10) maintains the impeller (10) at a position in the center of the movement range of the impeller (10) within a pump chamber (7) in a direction along the rotation axis by means of an attractive f...
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WO/2016/152892A1 |
This multistage pump having a simple structure can keep cavitation from occurring in a fluid flowing back via a balance pipe. This multistage pump 200 is provided with: a rotating shaft 1; multiple impellers 2 mounted on the rotating sha...
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WO/2016/152894A1 |
This pump has a simple structure that can suppress contact between a balance disk and a balance sheet. The multistage pump 200 is provided with a rotating shaft 1; impellers 2 mounted on the rotating shaft 1; a balance mechanism 70 for b...
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WO/2016/148715A1 |
A system can include a current controller that includes state-space based control logic that outputs three voltage values based at least in part on two current values and values of asymmetric state-space system parameters associated with...
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WO/2016/142898A1 |
The float switch device for submersible pumps, comprises a float member (2) constrained to a flexible cable (3) which is electrically connected to the driving member of the pump (10). The flexible cable (3) is associated with a tilting s...
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WO/2016/134946A1 |
According to some embodiments, functionality of a conventional variable speed drive (VSD) for driving a subsea electric motor is "split" with the CPU with frequency converter control being located topside and the low-level switching hard...
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WO/2016/136636A1 |
An operation efficiency estimation system according to an embodiment of the present invention has a fluid transport apparatus, an operation information acquisition unit, an operation period extraction unit, a power measuring unit, a pres...
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WO/2016/132107A1 |
A system comprising : a reservoir (14) for holding a liquid (1); a pump (20) arranged to pump the liquid (1) out of the reservoir (14) to a system outlet (24) or into the reservoir (14) from a system inlet; a pressure sensor (34) arrange...
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WO/2016/132108A1 |
A system comprising: a reservoir (14) for holding a liquid; a pump (20) arranged to pump the liquid out of the reservoir (14) or into the reservoir (14); a level sensor (26) configured to detect the level of the liquid in the reservoir (...
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WO/2016/126328A1 |
A fluid pumping system comprises a fluid machine (14); a sensor (26) operatively coupled to the fluid machine, the sensor being configured to obtain at least one of vibration data or acoustic data from the fluid machine; and a controller...
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WO/2016/119939A1 |
Disclosed is a method for detecting cavitation during operation of a hydraulic machine which has at least one impeller, said method using at least one structure-borne noise sensor, wherein the following method steps are carried out: dete...
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WO/2016/123159A1 |
Systems and methods for controlling an ESP installed in a well. The ESP is operated at a first voltage, and the current actually drawn by the ESP motor is monitored and compared to an expected current. If the actual current differs from ...
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WO/2015/066563A9 |
A system and method for efficiently treating metal catalyst resident in a reactor vessel comprises a sulfiding module, a sulfur source, an ammonia source, and/or a coking source, a hydrogen sulfide detection module, a hydrogen gas detect...
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WO/2016/116428A1 |
The invention relates to a column (1) for purification by distillation of carboxylic acid anhydrides, comprising a bottoms circulation stream in which an evaporator (21) is accommodated, and a pump (23), in order to direct product remove...
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WO/2016/116090A1 |
The invention relates to a regulatable coolant pump used in association with internal combustion engines as the primary water pump in a primary coolant stream, comprising an electrical supplementary water pump arranged in parallel with t...
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