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Patent Searching and Data


Matches 301 - 350 out of 5,507

Document Document Title
WO/2015/040360A1
A hydraulic transmission comprising a variable displacement pump and motor, at least one of which has cylinders having valves which are controllable on each cycle of cylinder working volume to determine the net displacement of working fl...  
WO/2015/042522A2
A relatively small water pump-DC motor combination, powered by batteries, provides sufficient pump power to create the flow between the hot and cold water lines necessary to maintain a substantially immediate hot water response when the ...  
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/2015/031216A1
A miniature diaphragm pump. The diaphragm is loaded with energy during the exhaust stroke and the loaded energy is released during the pump stroke, which improves the efficiency of the miniature pump. Energy is loaded via a permanent mag...  
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/2015/026558A1
A hydraulic power unit comprising a rear face and a front face spaced from one another includes an air inlet configured to receive air into the unit, and an air outlet configured to expel the air received into the unit. The hydraulic pow...  
WO/2015/024005A2
This disclosure includes subsea pumping apparatuses and related methods. Some apparatuses include one or more subsea pumps, each having an inlet and an outlet, and one or more motors, each configured to actuate at least one pump to commu...  
WO/2015/007429A1
The invention relates to a piston for a vibrating armature pump, in particular for a domestic appliance having a vibrating armature pump, which piston is provided to convey a fluid under the effect of a counterpressure, comprising a pres...  
WO/2015/007428A1
The invention relates to a piston for a vibrating armature pump, in particular for a domestic appliance having a vibrating armature pump, which piston is provided to convey a fluid under the effect of a counterpressure, comprising a pres...  
WO/2015/006684A2
An acoustofluidic apparatus is provided that functions by the generation of microstreaming in fluid produced by the oscillation of oscillatory elements excited by an energy input such as acoustic energy. An acoustofluidic apparatus inclu...  
WO/2014/202260A1
An injection device (20), in particular for injecting a reducing agent (30) into an exhaust system (22), has a compression space (16), the volume of which can be varied by moving a piston (1) which has a compression-space-side region (1b...  
WO/2014/204651A1
A method can include providing a turbocharger housing that includes a bore; providing a spacer; providing a shaft and wheel assembly with a first rolling element bearing assembly seated on a first portion of a shaft of the shaft and whee...  
WO/2014/202366A1
The invention relates to a pumping device (1) for pumping oil from a reservoir (8) to a transmission (4) of a motor vehicle (12), comprising an oil pump (7), which can be driven either by a mechanical direct drive (9) or an electric driv...  
WO/2014/118624A3
A device for moving air comprising a piezoelectric element attached to a planar body. The planar body is configured to oscillate at a movable end generating an airflow in response to applying alternating electric current to said piezoele...  
WO/2014/189445A1
The invention relates to a system (I, II) for controlling a hydraulic device of a vehicle, the hydraulic device comprising a hydraulic reservoir (100), a hydraulic pump (90), a pump drive unit (110) for driving the hydraulic pump (90), a...  
WO/2014/055160A3
A fuel pump assembly and method of making the same is disclosed. The fuel pump assembly includes a brushless direct current (BLDC) motor and a circuit board formed as a discrete component from the BLDC motor. The BLDC motor includes a st...  
WO/2014/177442A1
According to the present invention there is provided an electromagnetic pump (1,50) comprising, an inlet (2); an outlet (3); an intermediate chamber (11) located between said inlet (2) and said outlet (3); a first valve (12) for controll...  
WO/2014/016143A3
Arrangement comprising a pump and a vibration damping mounting assembly; wherein said pump has a pumping assembly and a motor coupled to said pumping assembly; wherein said pumping assembly has a pump housing, a pump shaft extending into...  
WO/2014/179394A1
A pump system features a power adapter and a pump having a signal processor. The power adapter includes voltage settings that respond to a voltage setting by a user and provide a selected voltage. The signal processor receives signaling ...  
WO/2014/175776A1
The invention relates to electromagnetic downhole pumps. In the bottom end of a housing there are provided a valve assembly with check balls and a shock absorber. The housing has disposed therein a system of pistons for the pump stages. ...  
WO/2013/158518A3
Systems and methods of the invention may overcome a higher than normal starting torque for in a reciprocating, electric motor driven air compressor for a vehicle. A detection component can be configured to detect a stall condition for a ...  
WO/2013/159087A3
Systems (100 and 200) and methods (1600-1900) of the invention relate to diagnosing a compressor. A method may include operating a compressor (110) to compress air from a first stage compressor into an intermediate stage reservoir (266),...  
WO/2014/164785A1
Embodiments include a modular fuel pump apparatus for an aircraft refueling chassis and related devices, systems and methods. In one exemplary embodiment, a pump module includes a hydraulic motor driven by a hydraulic pump connected to a...  
WO/2014/163000A1
A pulsation-generating electromagnetic pump (5) equipped with: a cylinder (9c) having an electromagnetic coil (9b); a magnetic head (9d); an electromagnetic plunger piston (9e) provided so as to be capable of reciprocating within the cyl...  
WO/2014/161733A1
A pump (200) for pumping a liquid, the pump comprising: an inlet means (202); a first outlet means (201); a first pumping chamber (154) for receiving the liquid from the inlet means; a plunger assembly (126, 128) arranged to move from a ...  
WO/2014/160573A1
A pump element (100) includes a body (147) defining a chamber (146). A piston assembly is biased to a first position within the chamber (146) and is configured to be driven along an axis from the first position to a second position to co...  
WO/2014/159682A1
A variable stroke length EOD pump system is provided that includes a diaphragm pump and an electromagnetic linear actuator that operates the diaphragm pump. The linear actuator includes two stator halves, and an armature. The armature is...  
WO/2014/149373A1
A anti-backlash nut assembly for a positive displacement pump assembly includes a two part nut assembly and a backing plate. A spring is disposed between the backing plate and the nut assembly so that the two nut components are pushed to...  
WO/2014/146761A1
The invention relates to a metering pump (1), in particular for liquid detergent in a washing machine, a dishwasher or similar, said pump comprising a pump designed as a piston pump with a reciprocating piston (7), and comprising an elec...  
WO/2014/151349A1
A system for supplementing the electric power needed by a pump jack electric motor, thereby reducing the electric power purchased from the local utility or power supplier. The system comprises a solar photovoltaic system, or other forms ...  
WO/2014/151315A1
A fuel supply system for a vehicle uses a seal-less piston LPG injunction pump which pumps fluid from a storage tank to an engine. The pump uses the vehicle's pneumatic air system, wherein the pressurized air of this system alternatingly...  
WO/2014/151967A1
A submersible well fluid system for operating submerged in a body of water may include an electric machine and a fluid end. The electric machine includes a rotor and a stator residing in a first housing at specified conditions. The fluid...  
WO/2014/139529A1
The invention relates to a rotary valve assembly (1) for adjusting at least one flow cross-section by means of a rotary valve (4) which, depending on the angular position, cooperates with an inlet (11) and an outlet (12) for a liquid med...  
WO/2014/044334A3
The invention relates to a pump for lifting fluid from a wellbore. The pump comprises a first piston and a second piston, each piston being configured for linear reciprocal movement generated by magnetic fields. A control system is opera...  
WO/2014/133942A1
A centrifugal pump system having an impeller rotating with first and second magnetic structures on opposite surfaces. A levitation magnetic structure is disposed at a ftrst end of a pump housing having a levitating magnetic field for axi...  
WO/2014/124720A1
The invention relates to an assembly (10) comprising a pump element (11) and a fastening flange (12) for installation in a housing. According to the invention, the pump element (11) and the fastening flange (12) of the assembly (10) are ...  
WO/2014/111352A1
The invention relates to a drive assembly having a motor accommodating bore (4) for an electric motor (3), said bore (4) being directed perpendicularly into an end face of a block-like accommodating body (19), and having a motor housing ...  
WO/2014/107830A1
A flow-adjustable water pump has a DC brushless motor arranged therein and is externally connected with an AC-DC power supply converter (5) and provided with a current adjusting controller (4). The water pump can convert the AC power of ...  
WO/2014/100877A1
The present invention relates to a fuel pump comprising: a casing (7), a bearing plate (6) and a brushless motor, the brushless motor comprising: a rotor (4), a stator (3), a stator body (10) and a shaft (5), the bearing plate (6) being ...  
WO/2014/009375A3
A method for reducing the development of noise in a vacuum pump (10) which is operated with a frequency converter and which has a pump motor (12) which is driven by a frequency converter (14) is characterized in that the motor current is...  
WO/2014/090613A1
The invention relates to a pump for pumping liquid, the pump comprising a drive unit (3) and a heat sink (23) connected to said drive unit (3), which heat sink is arranged to carry off heat that is generated in said drive unit during ope...  
WO/2014/093474A1
This disclosure relates to various types of pumps that are magnetically driven in which a rotary element is connected to a driven magnet housed in a magnet housing in which the magnet is wetted by the fluid pumped by the pump. In one rep...  
WO/2014/093449A1
A brake system for a vehicle comprises a vacuum pump mounted to an engine, wherein the vacuum pump is selectively connected to be driven by the engine. A dutch is mounted within a housing for the vacuum pump. The clutch can be selectivel...  
WO/2014/090314A1
The invention relates to a motor pump unit (10) comprising an electric motor (22) and a pump (12). The electric motor has a motor housing (28), on the outside of which a cooling channel (62) is disposed. The pump (12) has a suction inlet...  
WO/2014/086517A1
The invention relates to a hydraulic pump assembly (1) for a hydraulic vehicle brake system having a drive motor (2), preferably an electric motor, and having a piston pump (4). The invention proposes that the hydraulic pump assembly (1)...  
WO/2014/088879A1
A method includes driving a fluid pumping unit having a plurality of pumping cylinders via a plurality of hydraulic cylinders respectively of a hydraulic power unit. The method further includes controlling activation of the hydraulic pow...  
WO/2014/045172A3
The invention relates to a hydraulic mechanical pumping unit including a vertical motor for strokes greater than 3m, which only requires a maximum power of between 746 and 5600 watts for operation. The unit comprises a frame including th...  
WO/2014/079610A1
The invention relates to a device (1), particularly a pump/nozzle system, for delivering a liquid, particularly a liquid exhaust gas treatment agent, with a magnetic core (6) arranged fixed in a casing (30), with an armature (14) arrange...  
WO/2014/076239A1
A pump comprising a pump housing member (1) having a chamber (21) with inner walls and an open end having a first area (25), the pump housing member (1) comprises an enlarged surface surrounding the open end of the chamber (21). The pump...  

Matches 301 - 350 out of 5,507