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Patent Searching and Data


Matches 551 - 600 out of 5,568

Document Document Title
WO/2012/025086A3
The invention relates to a method for starting at least one asynchronous electric motor of a large hydraulic excavator having a service weight > 100 t and having an electrohydraulic drive, in that the particular electric motor is transfe...  
WO/2011/127903A3
Tube assembly for compressing, pumping, vacuuming and conveying liquid or gaseous media, comprising a tube section which forms the volumetric capacity, having at least one inlet and outlet and at least one piston which runs in the interi...  
WO/2012/050905A1
A sleeve is retained to a shaft without the use of a keyway through at least one end connection that has a preferably flat face with one or more projections from the flat face. Rounded projections are preferred. The projections go into s...  
WO/2012/044445A1
A solenoid pump for moving a fluid is disclosed. The pump includes a solenoid coil that generates an electromagnetic field for moving a plunger relative to a stationary core. Magnetic components of the solenoid pump direct the electromag...  
WO/2012/039545A1
Disclosed is an electric motor-driven compressor having a structure capable of improving the performance of an electric motor of the electric motor-driven compressor for the vehicle. The electric motor-driven compressor has an angle whic...  
WO/2012/039540A1
Disclosed is a motor-driven compressor for a vehicle adapted to fix a connector of an electric motor for a vehicle compressor. The compressor for a vehicle includes a rotor configured be rotated by an electromagnetic force generated when...  
WO/2012/007114A3
The invention relates to a hydraulic assembly comprising a variable electric motor and a hydrostatic variable displacement pump which can be coupled thereto and the pivoting angle of which can be adjusted by means of a hydromechanical ad...  
WO/2011/117831A3
A system for changing a pump displacement configuration includes a blender that provides low-pressure fluid to a pump. The pump has a power end and fluid end, where the fluid end includes a number of plungers. The system includes an actu...  
WO/2012/034165A1
An ultra high pressure pump comprising a servo motor coupled to a piston having a head arranged within a cylinder to define a pumping chamber, whereby the servo motor rotation causes reciprocal displacement of the piston to pressurise fl...  
WO/2011/146126A3
A pump assembly comprises a cam and a piston. The cam rotates in a plane about an eccentric axis, and has a circumferential side wall. The piston engages the circumferential side wall of the cam, and runs along a piston axis which lies i...  
WO/2010/133390A3
Disclosed is a pump housing for a hydraulic unit in a motor vehicle, comprising a body that is provided with openings for accommodating components of an associated pump. One of the external surfaces of the body is designed such that a mo...  
WO/2011/159463A3
A system for powering a compressor. The system may include a power generation unit adapted to generate AC power. An electric motor may be coupled to the power generation unit and adapted to turn at a rate proportionate to a frequency of ...  
WO/2012/034010A2
Reciprocating fluid pumps include a plunger configured to expand and compress in a reciprocating action to pump fluid, and one or more magnets carried by the plunger. The one or more magnets may be used to impart a force on the plunger w...  
WO/2012/030517A1
A portable pressure washer that includes a base and a tank assembly formed as a one-piece structure and for engagement with the base. The tank assembly has a pair of water tanks that are disposed separately from each other and a solution...  
WO/2011/156556A3
A piezoelectric foaming pump is provided herein. The piezoelectric foaming pump includes a housing having a first opening for receiving a liquid from a liquid container and a piezoelectric element secured to the housing. The piezoelectri...  
WO/2012/028369A1
In a pump (10) for a high-pressure system having a pump element which delivers a fluid and an actuator (14) which drives the pump element, in which pump (10) a continuously variable gear mechanism (12) is provided, by means of which the ...  
WO/2012/025086A2
The invention relates to a method for starting at least one asynchronous electric motor of a large hydraulic excavator having a service weight > 100 t and having an electrohydraulic drive, in that the particular electric motor is transfe...  
WO/2011/116752A3
The invention relates to a pump for pumping a fluid, comprising an inlet, an outlet, and a pumping chamber, wherein a valve (17) is arranged between the inlet and the pumping chamber or between the pumping chamber and the outlet, wherein...  
WO/2011/089150A3
The invention relates to a system component (1) for a motor vehicle, in particular a pump component (1) for a pump of a cooling circuit of the motor vehicle, having a housing (10) and a circuit board (50) disposed in the housing (10), wh...  
WO/2012/018148A1
A linear compressor of the present invention can prevent leakage of magnetic power by changing the structure of a linear motor, be made smaller/lighter by reducing the size of springs supporting a piston in a reciprocal linear movement d...  
WO/2011/105720A3
The present invention relates to a linear compressor, and more specifically, to a linear compressor which can provide accurate voltage operation using a current even if a high-capacitance capacitor connected to a motor in series is remov...  
WO/2012/012423A2
A variable capacity screw compressor comprises a suction port, at least two screw rotors and a discharge port being configured in relation to a selected rotational speed that operates at least one screw rotor at an optimum peripheral vel...  
WO/2011/115398A3
The present invention relates to a reciprocating compressor. The invention allows a cylinder in which a piston is reciprocated to be inserted and coupled into and with a cylinder unit of a frame for fixing a stator of a reciprocating mot...  
WO/2012/008881A1
The device is intended for pumping fluid media and can be used in industry, transport and the home for pumping liquids as well as other incompressible and compressible fluid media. The piezoelectric pump (1) comprises a housing (2) conta...  
WO/2011/008242A3
A pumping system is provided which is a mobile, vehicle-mounted pumping system, such as for water or fuels, which mounts on a vehicle and may be used for various applications. The pumping system operates a drive system and control system...  
WO/2012/004788A1
Hydraulic power system comprising hydraulic pump coupled to brushless motor. Brushless motor may comprise stators having plurality of windings and at least one outrunning rotor having plurality of magnetic poles and optionally coupled to...  
WO/2012/005498A2
The present invention relates to an apparatus for controlling a compressor, to a method for controlling a compressor and to a refrigerator comprising same. According to certain embodiments of the present invention, a compressor operates ...  
WO/2012/005531A2
The present invention relates to a reciprocating compressor. The present invention can reduce the size of the compressor by closely attaching and securing a reciprocating motor and a cylinder of a compression part to a sealed receptacle ...  
WO/2012/005530A2
The present invention relates to a reciprocating compressor in which a cylinder of a compression unit is tightly fixed to a hermetic shell, and a stator of a reciprocating motor is fixed to the hermetic shell by a support spring consisti...  
WO/2011/105723A3
The present invention relates to a linear compressor. More specifically, according to the linear compressor, it is possible to control the variable rate of cooling capacity. The linear compressor according to the present invention includ...  
WO/2011/161654A2
A system for dampening vibration in a pump includes a PTO-driven pump having a prime-mover side and a pump-side. The system includes a bulkhead interposed between the prime-mover side and the pump-side, the bulkhead having an opening the...  
WO/2011/094607A3
An air motor for a pump assembly including a drop tube communicating between an upper chamber port and a top plate port and including a longitudinal axis that is at an angle of between about 0° and 10° with respect to each of the upper...  
WO/2011/094567A3
An air motor includes ceramic valves and valve plates to enhance performance and efficiency of the air motor.  
WO/2011/157409A2
The invention relates to an electric compressor (1) comprising a compression mechanism (3) rotated by a shaft (4) that extends through a main casing (5) defining an internal volume (6) in which an electric motor (2) is installed. The ele...  
WO/2011/094603A3
A pump assembly including an air motor includes a modular relief valve assembly connected to a motive fluid inlet of the air motor. The modular relief valve assembly has a housing that contains an actuator assembly, a ball valve assembly...  
WO/2011/159463A2
A system for powering a compressor. The system may include a power generation unit adapted to generate AC power. An electric motor may be coupled to the power generation unit and adapted to turn at a rate proportionate to a frequency of ...  
WO/2011/156556A2
A piezoelectric foaming pump is provided herein. The piezoelectric foaming pump includes a housing having a first opening for receiving a liquid from a liquid container and a piezoelectric element secured to the housing. The piezoelectri...  
WO/2011/151863A1
Disclosed is a fuel cell system wherein a compressor (130) for gas supply and a motor (210) are disposed so as to face each other with a transmission mechanism (230) interposed therebetween with a motor driving shaft (212) and a rotating...  
WO/2011/153367A1
An exemplary magnetically-driven fluid pump includes a magnet housing ("cup") that enables one or more sensors to be in indirect ("non- wetted") contact with the pumped fluid while avoiding the static seals normally required with sensors...  
WO/2011/148188A1
A pump comprising a working fluid inlet, a working fluid outlet coupled to the working fluid inlet by a conduit and located above the working fluid inlet, and a buoyant fluid inlet arranged on the conduit, and characterised by further co...  
WO/2011/144628A1
Dosing device (100) for dispensing a specified vol" ume of liquid, comprising an electromagnet (1 1 1 ) and being adapted to hold a pump (1 12) with a magnetisable pumping member (1 10) displaceable under the action of the electromagnet ...  
WO/2011/143746A1
A mud pump is provided that includes a pump shaft having substantially circular eccentric lobes. Each lobe is rotatably mounted in a connecting rod that, in turn, moves a slide in a horizontal and linearly manner. A piston rod is operati...  
WO/2011/071284A3
The present invention relates to a linear compressor, comprising: a sealed container providing a sealed space and including a suction tube and a discharge tube through which a refrigerant is suctioned and discharged; a cylinder installed...  
WO/2011/062428A3
The present invention relates to a linear compressor, and particularly relates to a linear compressor capable of varying a natural cooling capacity while removing a capacitor connected to a motor. The linear compressor according to the i...  
WO/2011/062427A3
The present invention relates to a linear compressor, and more specifically, to a linear compressor capable of providing greater power by varying a frequency during the high load condition. The linear compressor of the present invention ...  
WO/2011/131373A1
The invention relates to a heat engine which features external continuous heat supply and an isochoric-isobaric, preferably closed, cyclic process, and does away with the need for actual compressor or expander stages. In addition to the ...  
WO/2011/130209A1
The invention provides a fuel cell compressor system that comprises a motor, including a motor shaft driven by the motor; a drive housing at least partially surrounding the motor shaft; a first gear set driven by the motor shaft; a carri...  
WO/2011/124339A1
The invention relates to a device for generating pressures in a fluid in a sample container 12, in particular a sample container 12 for use in high-pressure spectroscopy. The device comprises a sample container 12 for receiving the fluid...  
WO/2011/071528A3
Systems and methods for operating a linear pump system involve operating a linear motor system; reciprocating a linear pump and a motor control module that issues commands and a control logic input to the linear motor system. The linear ...  
WO/2011/117831A2
A system for changing a pump displacement configuration includes a blender that provides low-pressure fluid to a pump. The pump has a power end and fluid end, where the fluid end includes a number of plungers. The system includes an actu...  

Matches 551 - 600 out of 5,568