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Match Document Document Title
7628591 Apparatus and method for controlling operation of compressor  
An apparatus for controlling a compressor includes a stroke calculator for calculating a stroke estimate value of a compressor based on a value of a current applied to a motor of the compressor and...
7626289 Linear compressor  
A linear compressor in which an inner core is integrally mounted with a magnet to linearly reciprocate simultaneously and is also mounted on a core frame that comes into close contact with an outer...
7621726 Metering pump  
A metering pump, especially for feeding fuel to a vehicle heater, comprising a delivery plunger ( 50 ), which can be moved to and fro for delivering liquid medium, a guide sleeve ( 42 ), which...
7618243 Linear compressor controller  
A free-piston linear compressor ( 1 ) controlled to achieve high volumetric efficiency by a controller including an algorithm ( 116 ) for ramping up input power until piston-cylinder head...
7617874 Flexible matrix composite actuator for use in subsurface wellbores  
A valve control system for a wellbore includes a fiber composite actuator functionally coupled to a valve operating member and means for controllably charging an interior of the actuator with fluid...
7617594 Apparatus for fixing a stator of a motor of a reciprocal compressor  
An apparatus that fixes a stator of a motor of a reciprocal compressor is provided. The apparatus includes a front frame, a cylinder inserted into and coupled to the front frame, an outer stator...
7614856 Linear motor, and linear compressor using the same  
A linear motor of the present invention has: a stator having a stationary iron core and a magnet wire; a mover having a moving iron core and a magnet; and a plate-shaped elastic member for...
7614251 Reciprocating compressor and refrigerator having the same  
Disclosed are a reciprocating compressor and a refrigerator having the same. The reciprocating compressor comprises a casing, one reciprocating motor mounted at a frame unit provided in the casing...
7600988 Air-demand-controlled compressor arrangement, particularly for commercial vehicles  
Air-demand-controlled compressor arrangement, particularly for commercial vehicles, includes a motor unit for generating a rotating movement which, by way of an interposed...
7591638 Structure for fixing motor stator of reciprocating compressor  
Disclosed is a structure for fixing a motor stator of a reciprocating compressor, the reciprocating compressor comprising: a frame unit mounted in a casing and elastically supported; a...
7578419 Disposable integrated bag and pump  
A disposable concentrate pump where the small pump body is part of a liquid collapsible bag reservoir, and the actuating solenoid is mounted in the dispenser. When a new bag is loaded, the attached...
7566206 Linear compressor for multi-stage compression  
A linear compressor for multi-compression includes a stationary cylinder, a moving piston, and a stationary piston. The stationary cylinder has a first compression chamber formed therein. The...
7520730 Apparatus and method for controlling operation of compressor  
An apparatus for controlling an operation of a compressor includes: a back electromotive force calculator for calculating a back electromotive force of a compressor based on a value of a current...
7491038 Reciprocating compressor  
A reciprocating compressor comprises a reciprocating motor ( 30 ) disposed in a casing ( 10 ), and generating a driving force; a compression unit ( 40 ) for sucking, compressing, and discharging...
7489055 Linear motor and linear compressor using the same  
Disclosed herein is a linear motor in which a plurality of coil groups are connected in series or in parallel and driving power is applied to part or all of the coil groups according to load...
7478539 Two-stage linear compressor  
A refrigeration system includes a two-stage linear compressor having a first piston disposed in a first cylinder and a second piston disposed in a second cylinder. The linear compressor is operable...
7478996 Reciprocating compressor having assembly structure of suction muffler  
Disclosed is a reciprocating compressor having an assembly structure of a suction muffler, in which a supporting unit is formed on an inner circumferential surface of a resonant container of the...
7468588 Apparatus and method for controlling operation of reciprocating compressor  
The present invention relates to an apparatus and method for controlling operation of a reciprocating compressor. The operating efficiency of the compressor can be improved by performing the steps...
7465156 Apparatus for mounting compressor  
An apparatus for mounting a compressor comprises: a bracket installed at one surface of a compressor and having a plurality of holes; a plurality of supporting members extending from a base on...
7449804 Stator of reciprocating motor  
A stator of a reciprocating motor includes a ring-shaped bobbin including a winding coil 400 therein; a plurality of unit laminated assemblies each constructed of a plurality of lamination sheets...
7426829 Vane control  
An exemplary controller includes a control valve that includes an electric actuator operatively coupled to a valve stem, a piston operatively coupled to one or more hydraulic fluid paths controlled...
7413420 Linear compressor and method of producing the same  
A linear compressor and a method of producing the linear compressor which do not generate eddy currents in an inside stator of a linear motor thereof, thus preventing an eddy current loss, caused...
7413415 Reciprocating electromagnetic micro-pump, particularly for small electrical appliances  
Reciprocating electromagnetic micro-pump, particularly for small electrical appliances, whose pumping chamber is defined by a tubular element, movable axially, against the action of a contrasting...
7410347 Reciprocating fluid pump assembly employing reversing polarity motor  
A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A...
7404701 Refrigerating system having reciprocating compressor  
A refrigerating system includes: an evaporator ( 2 ) for performing a cooling operation as a refrigerant is evaporated; a compressor ( 4 ) for compressing the refrigerant discharged from the...
7385319 Motor fixing structure of reciprocating compressor  
Disclosed is a motor fixing structure of a reciprocating compressor comprising: a front frame having a predetermined shape; a middle frame positioned with a certain interval from the front frame;...
7381033 Reciprocating compressor  
A reciprocating compressor includes a front frame; a middle frame positioned with an interval from the front frame; an outer stator having a winding coil and coupled between the front frame and the...
7378271 Device for pressurized perfusion especially for culturing and/or treating cells  
The invention relates to a device for pumping a fluid into a bioreactor. Polsatile pumping is made possible by valve arrangement so that growth of the cells in the bioreactor is increased. Pumping...
7367786 Linear compressor  
A linear compressor includes: a cylinder block forming a compressing chamber; a piston reciprocatably provided in the compressing chamber; a reciprocating member connected to the piston to...
7352142 Apparatus and method for controlling stroke of reciprocating compressor  
An apparatus for controlling an operation of a reciprocating compressor includes a voltage detecting unit for detecting a positive half-wave voltage of an AC voltage applied to a motor of the...
7335003 Precision dispense pump  
Precision dispense pumps comprise a housing that has an internal chamber disposed therein. A pressurizing assembly disposed within the chamber and includes a cylindrical pressurizing member having...
7331772 Compressor  
A compressor comprises a reciprocating motor disposed within a casing, for generating a driving force; a compressing unit for sucking, compressing and discharging gas by a linearly reciprocating...
7316545 Reducing agent pump for an exhaust-gas aftertreatment system of an internal combustion engine  
A reducing agent pump has a pump inlet part and a pump outlet part closing off the pump body at its ends. One or both of the inlet and outlet parts is of two-part construction, with a closure...
7316547 Reciprocating compressor driven by a linear motor  
A reciprocating compressor driven by a linear motor, comprising a shell, within which are mounted: a reference assembly formed by a motor and a cylinder ( 1 ); a resonant assembly formed by a...
7306438 Suction gas guiding system for reciprocating compressor  
A suction gas guide system ( 100 ) for reciprocating compressor ( 30 ) comprises a gas guide conduit having both ends installed on a suction pipe (SP) of a shell ( 10 ) and on an inner flowing...
7294941 Winding coil assembly of reciprocating motor and manufacturing method thereof  
A winding coil assembly ( 6 ) of a reciprocating motor comprising: an outer stator; an inner stator ( 2 ) arranged at an inner circumference surface of the outer stator ( 2 ) with a certain air...
7284967 Reliability-improving structure of reciprocating compressor  
In a reliability-improving structure of a reciprocating compressor, by minimizing vibration noise occurred in operation, adjusting a quantity of compression gas accurately, measuring an air gap in...
7273357 Control device for electric compressor  
A control device includes a shot-pulse control unit that provides, at a time of starting a synchronous motor, a predetermined current to each phase of a stator of the motor for a short time; a...
7267533 Plunger assembly for use in reciprocating fluid pump employing reversing polarity motor  
A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A...
7264451 Frame of reciprocating compressor  
A frame of a reciprocating compressor includes a main frame having a cylindrical insertion hole to receive a cylinder of a compression unit along a center axis thereof and a flange that supports an...
7259533 Method of controlling motor drive speed  
Disclosed is a method of controlling drive speed of a motor operating in overload conditions. The method includes the steps of: driving the motor at a predetermined reference speed; detecting phase...
7256519 Linear actuator and pump device and compressor device therewith  
A linear actuator includes a driving part having an inner yoke, an outer yoke and a coil for generating an alternating magnetic field and includes a movable body provided with a magnet disposed...
7249938 Linear compressor  
Disclosed herein is a linear compressor. In the present invention, the configuration that a sealing protrusion is protruded in a sealing part of a cylinder toward an exhale cover leads line contact...
7247007 Linear compressor  
A linear compressor includes a cylinder part and a piston part. A spring connects the cylinder part and the piston part and operates in the direction of reciprocation of the piston part relative to...
7215047 Linear motor and linear compressor including said motor  
A linear motor and a linear compressor including said motor. The linear motor comprises a set of inner laminations ( 90 ), forming the stator, mounted around the outer circumference of a fixed...
7163384 Reciprocating compressor with a linear motor  
A reciprocating compressor with a linear motor having an actuating means operatively coupling a reciprocating piston to the motor; and a resonant spring means mounted under constant compression to...
7156626 Double side action type reciprocating compressor  
A double side action type reciprocating compressor is provided. The double side action type reciprocating compressor includes suction valve assemblies and discharge valve assemblies loaded in a...
7153108 Linear compressor  
A linear compressor having a cylinder ( 2 ) and a piston ( 1 ) that is moved by an electric linear motor ( 4, 5, 6 ) is provided with one or more elastic elements ( 30, 50 ) made of steel wire...
7150605 Reciprocating compressor  
A reciprocating compressor includes a case having a gas suction pipe and a gas discharge pipe. A frame unit is installed in the case and a compression unit, including a cylinder is installed in the...
7150606 Electromagnetic fuel pump  
An electromagnetic fuel pump, including a pump, an electronic control circuit board assembly (PCB) and electromagnetic coil operatively arranged to operate the pump, and, a housing arranged to...
Matches 1 - 50 out of 416 1 2 3 4 5 6 7 8 9 >