WHIRLPOOL S.A. Patent applications |
Patent application number | Title | Published |
20150362112 | FLOW RESTRICTOR AND GAS COMPRESSOR - A flow restrictor is adapted for application in a bearing arrangement between a piston and a cylinder of a gas compressor. The compressor includes a protective block that involves the cylinder externally, and also includes at least one inner cavity, which is fluidly fed by a discharge flow resulting from a compression movement exerted by the piston inside the cylinder. The compressor includes a bearing-arrangement clearance that separates the piston and an inner wall of the cylinder. The compressor includes at least one flow restrictor provided with a housing that associates fluidly the inner cavity to the bearing-arrangement clearance. The flow restrictor is associated to the housing by a process of at least partial plastic deformation inside the housing, the flow restrictor being provided with channels for passage of fluid, the plastic deformation being sized for limiting the gas flow through the inner cavity to the bearing-arrangement clearance. | 12-17-2015 |
20150326082 | SINGLE-PHASE INDUCTION MOTOR - A single-phase induction motor includes a stator including a main winding with a first coil (P | 11-12-2015 |
20150275884 | GAS DISCHARGE SYSTEM FOR A REFRIGERATION COMPRESSOR AND A REFRIGERATION COMPRESSOR - The compressor comprises: a cylinder crankcase ( | 10-01-2015 |
20150275883 | THERMAL INSULATION SYSTEM FOR THE DISCHARGE OF GAS IN A REFRIGERATION COMPRESSOR - The compressor comprises: a cylinder crankcase ( | 10-01-2015 |
20150266094 | MANUFACTURING PROCESS OF A POROUS COMPONENT AND A POROUS COMPONENT - Manufacturing a porous component used as flow restrictor includes a metal injection molding process enhanced to obtain a component with open porosity homogeneously distributed. The flow restrictor includes at least one porous component having at least one restricting portion with some porosity dimensioned to regulate the flow of gas to an aerostatic bearing of a mechanical system, such as a hermetic compressor. Use and production of a porous component obtained by powder injection molding or powder injection molding of multi-material parts is also described, the porous component being a flow restrictor with a layer of dense material, with no open pores, on the outer surface parallel to the flow direction in which the flow through the porous component occurs, allowing it to be inserted into the bearing system without interfering with the porous structure of the core (dual porosity). Sealing existing between the porous component and its housing is described. | 09-24-2015 |
20150219095 | SEALING GLOVE FOR A CYLINDER OF A COMPRESSOR, COMPRESSOR AND COOLING APPLIANCE - A flexible sealing glove ( | 08-06-2015 |
20150183048 | DEVICE AND PROCESS FOR SIMULTANEOUS SHAPING AND WELDING OF CONNECTOR PIPES FOR COMPRESSORS - The present invention relates to a shaping and welding device and process of connector pipes or dowels ( | 07-02-2015 |
20150071792 | LINEAR MOTOR, A LINEAR COMPRESSOR, A METHOD OF CONTROLLING A LINEAR COMPRESSOR, A COOLING SYSTEM, AND A LINEAR COMPRESSOR CONTROLLING A SYSTEM - A linear motor ( | 03-12-2015 |
20150040752 | CONNECTING ROD/PISTON ARRANGEMENT FOR ALTERNATIVE COMPRESSOR AND PROCESS FOR ASSEMBLING CONNECTING ROD/PISTON ARRANGEMENT FOR ALTERNATIVE COMPRESSOR - The present invention refers to a connecting rod/piston arrangement for alternative compressor, comprising using at least an intermediate element capable of associating said connecting rod with the piston, wherein both do not radially contact with one another. A process for assembling said connecting rod/piston arrangement for alternative compressor is also disclosed. The connecting rod/piston arrangement for alternative compressor comprises at least a piston ( | 02-12-2015 |
20140352821 | SYSTEM FOR SUPPLYING WASHING INPUTS AND WASHING MACHINE PROVIDED WITH SYSTEM FOR SUPPLYING WASHING INPUTS - The present invention relates to a system for supplying washing inputs comprised by at least one hydraulic circuit comprising at least one water inlet pipe ( | 12-04-2014 |
20140346867 | HOME APPLIANCE COMPRISING AN ELECTRIC MOTOR HAVING AT LEAST TWO COILS, METHOD AND SYSTEM FOR CONTROLLING THE HOME APPLIANCE, USE OF ELECTRIC MOTOR FOR FEEDING IN THE HOME APPLIANCE - A control method and system for home appliances which include an electric motor having at least two coils. The coils of the electric motor are combined in series or in parallel due to the input voltage and are used as a voltage supply for devices of a set of electrical loads which are simultaneously connected to the electric motor. Additionally, an electric motor having at least two coils is used for feeding devices of a set of electrical loads of a home appliance in which one of the coils of the electric motor is used as voltage supply for feeding the devices of the set of electrical loads. Also described are a home appliance which includes a control system, a control method and the use of an electric motor for feeding according to these specifications. | 11-27-2014 |
20140345591 | FLAME GAS BURNER DIFFUSER FOR COOKING EQUIPMENTS - The present invention generally refers to a flame gas burner diffuser to be used in stove-type cooking equipments, more preferably in household stoves, comprising technical and functional features capable of improving the efficiency of exchanging heat with the bottom of cooking utensils. More particularly, said diffuser, according to the present invention, comprises a cup ( | 11-27-2014 |
20140345590 | GRID FOR COOKING EQUIPMENT - The present invention relates to a grid used in stoves which comprises innovative technical and functional characteristics capable of increasing the thermal efficiency of the burners. More preferably, the grid according to the present invention comprises an upper crown ( | 11-27-2014 |
20140345418 | CONNECTING ROD OF RECIPROCATING COMPRESSOR - The present invention relates to a connecting rod for reciprocating compressor, in particular a connecting rod converting the crank rotating motion into linear axial motion. The rod ( | 11-27-2014 |
20140340003 | SYSTEM AND METHOD FOR CONTROLLING THE STROKE AND OPERATION AT RESONANCE FREQUENCY OF A RESONANT LINEAR MOTOR - Linear compressor comprising a resonant linear motor ( | 11-20-2014 |
20140327328 | DEFORMATION CONTROL DEVICE FOR A RESONANT SPRING IN A LINEAR DRIVING UNIT - The present device is applied to a linear driving unit which comprises: a linear electric motor (M) formed by a motor housing (C) which is electrically excited and affixed to a fixed structure ( | 11-06-2014 |
20140326533 | SUCTION CHAMBER - The present invention refers to a suction chamber having two volume parts which utilizes the principle of wave cancellation, by reversing the phase thereof, as a way of attenuating the noise, whose configuration presents a simple, effective, economical and affordable constructive process. It is composed by a body ( | 11-06-2014 |
20140326128 | FLOW RESTRICTOR AND GAS COMPRESSOR - A flow restrictor ( | 11-06-2014 |
20140318900 | PUMPING SYSTEM AND SHAFT FOR OIL PUMPING SYSTEM FOR HERMETIC COMPRESSORS AND COMPRESSOR COMPRISING THE SYSTEM AND/OR SHAFT - A pumping system, a shaft for the oil pumping system for hermetic compressors, as well as a compressor including the system and/or the shaft are described. It is foreseen the change in the dimensions and geometry of lubricating oil pumping systems in hermetic compressors which have an oil pump ( | 10-30-2014 |
20140318365 | RESTRICTOR AND PRODUCTION PROCESS OF A FLUID LEAKAGE RESTRICTOR FOR AEROSTATIC BEARINGS - Restrictors ( | 10-30-2014 |
20140311337 | PISTON CYLINDER ARRANGEMENT OF AN AEROSTATIC LINEAR COMPRESSOR | 10-23-2014 |
20140311191 | DELIVERY VALVE STEM PROVIDED WITH A RADIAL SEALING SYSTEM, AND BULK MATERIAL RESERVOIR PROVIDED WITH A DELIVERY STEM VALVE PROVIDED WITH A RADIAL SEALING SYSTEM - The present invention pertains to the field of home appliances and refers to a delivery valve stem ( | 10-23-2014 |
20140305145 | HOUSEHOLD APPLIANCE, SYSTEM AND METHOD OF CONTROLING HOUSEHOLD APPLIANCES - A control system and a control method for controlling input voltages ( | 10-16-2014 |
20140301874 | LINEAR COMPRESSOR BASED ON RESONANT OSCILLATING MECHANISM - The present invention refers to a linear compressor based on resonant oscillating mechanism, which is comprised by at least one resonant spring ( | 10-09-2014 |
20140298985 | COMPRESSOR BLOCK - The present invention refers to a compressor block ( | 10-09-2014 |
20140298867 | FLUID DRAINING AND DISPENSING SYSTEM FOR HOUSEHOLD APPLIANCES AND FLUID DISPENSING TUBE FOR HOUSEHOLD APPLIANCES - The present invention relates to a fluid draining and dispensing system for electric household appliances, more specific ally for capturing washing water and carrying the water that supplies the cloth washing machine washing tank. Thus, it is the purpose of the invention to allow for a more practical, simple and economic construction, resulting in appliances of a lower cost and, therefore, more accessible to all social classes. The system comprises at least one dispensing duct 5 cooperating with valve 6 interconnected to the water supply network and with fixed lid 1; at least one furrow 7 cooperating with fixed lid 1 and the at least one dispensing duct 5; and means for simultaneously draining the fixed lid and the console washing water and dispensing the water coming from the valve interconnected to the water supply network, both fluid flows being directed to the inside of the washing basket. | 10-09-2014 |
20140286753 | CONNECTOR FOR HERMETIC COMPRESSORS - The present invention relates to a connecting tube ( | 09-25-2014 |
20140285015 | ELECTRIC CHARGE DRIVING SYSTEM - The present invention relates to an electric system for driving electric charges, particularly meant to be applied in electric household appliances and, more preferably, for driving dispenser valves for the supply of water and inputs for washing. The system of the present invention is comprised of innovative technical and functional aspects responsible for simplifying the production lines of these appliances. More particularly, the charge driving system, according to the present invention, comprises a power driver (D) powered by a power source (V | 09-25-2014 |
20140283679 | FLOW RESTRICTOR AND GAS COMPRESSOR - A flow restrictor ( | 09-25-2014 |
20140241911 | LEAF SPRING AND COMPRESSOR WITH LEAF SPRING - The present invention relates to compressor leaf springs, in particular, linear compressor leaf springs; the leaf springs comprising at least one spacer ( | 08-28-2014 |
20140234145 | ARRANGEMENT OF COMPONENTS OF A LINEAR COMPRESSOR - The present invention refers to the arrangement of components comprised in a linear compressor ( | 08-21-2014 |
20140234137 | LINEAR COMPRESSOR - The present invention refers to a linear compressor based on resonant oscillating mechanism, which comprises an oscillating arrangement essentially formed by at least one linear motor ( | 08-21-2014 |
20140232315 | METHOD AND SYSTEM FOR CONTROLLING INPUT VOLTAGE IN ELECTRIC CHARGES - A method and a system for controlling input voltage ( | 08-21-2014 |
20140232312 | METHOD FOR STARTING A WASHING MACHINE ELECTRIC MOTOR - The present invention relates to a method for starting a washing machine electric motor and, more particularly, an adaptive method for starting a washing machine electric motor, which is especially able to control the firing angle (preferably during the centrifugation cycles) of the voltage cycles depending on the electrical supply voltage and its possible and unpredictable variations and/or oscillations. Such firing angle control of the electrical supply voltage of the electric motor comprises a dynamic control based on the result of the comparisons in the previous steps, and is performed by generating at least one additional correction signal (ASC) based on the result of the comparison between the actual value of the electrical supply voltage of the electric motor and at least one predetermined reference value, and the additional correction signal (ASC) being responsible for controlling the firing angle of the electrical supply voltage of the electric motor. | 08-21-2014 |
20140221259 | PROCESS FOR PRODUCTION OF NANOPARTICLES OF SOLID LUBRICANT AND LUBRICANT DISPERSIONS STABLE IN OIL AND IN WATER - The process basically comprises: dissolving a lamellar disulphide, as a source of the solid lubricant, in an aqueous solvent, forming a first aqueous solution; dissolving a reducing agent, as hydroxylamine, sodium hypophosphite or sodium borohydride, in an aqueous solvent, forming a second aqueous solution; mixing the first and second aqueous solutions, forming a third aqueous solution; neutralizing the pH of the third aqueous solution; dissolving a sulphur source, in an aqueous solvent, forming a fourth aqueous solution; mixing the third and fourth aqueous solutions, forming a fifth aqueous solution, which is contained and heated in an autoclave; cooling the fifth aqueous solution to the room temperature; and removing, from the autoclave, the nanoparticles in powder form. | 08-07-2014 |
20140220297 | STACK OF METALLIC LAMINATIONS, METALLIC LAMINATION AND PROCESS FOR FORMING A LAMINATION STACK - Each lamination of the lamination stack comprises at least one assembly of coupling elements, said assembly comprising one insertion clamp, one receiving clamp and at least one receiving window, said coupling elements maintaining the same relative positioning from one another, the insertion clamp and the receiving clamp being defined by respective portions of the lamination axially projecting to the same side of the latter, each insertion clamp of a lamination being fitted, by interference, in the interior of a receiving clamp of an adjacent lamination, and each receiving clamp of a lamination being housed in the receiving window of at least one lamination of the stack. | 08-07-2014 |
20140193278 | ADAPTING DEVICE FOR LINEAR COMPRESSOR, AND COMPRESSOR PROVIDED WITH SUCH DEVICE - The present invention relates to an adapter for connecting a resilient member | 07-10-2014 |
20140186194 | ACTUATION SYSTEM FOR A RESONANT LINEAR COMPRESSOR, METHOD FOR ACTUATING A RESONANT LINEAR COMPRESSOR, AND RESONANT LINEAR COMPRESSOR - An actuation system for a resonant linear compressor ( | 07-03-2014 |
20140182719 | GUIDING TRAY OF WASHING SUPPLIES - The present invention refers to a guiding tray of washing supplies, a type to be used in a vertical axis washing machine, between at least one storage container of washing supplies ( | 07-03-2014 |
20140182313 | Process control of temperature and humidity for electrical appliances - The present invention relates to a method of operating electrical appliances, specifically for air conditioner, which aims to limit the maximum temperature of an environment as well as its minimum humidity level, thus providing greater local comfort and better health conditions when compared with those already known in the art. The invention is characterized by the fact that at least one control unit comprises a function for limiting the maximum temperature cooperating with at least one temperature sensor, and said maximum temperature limit function automatically activates the appliance compressor when the temperature sensor detects the maximum adjusted temperature. It is also characterized by the fact that at least one control unit comprises a minimum humidity limit function cooperating with at least one humidity sensor, and said minimum humidity limit function automatically activates the appliance humidifier when the humidity sensor detects the minimum adjusted humidity. | 07-03-2014 |
20140165662 | SUPPLIES DISPENSING SYSTEM FOR WASHING MACHINE - The present invention relates to a washing supply dispensing system for washing machine that, even in a vertical axis washing machine devoid of water storage tank, provides means of dispensing said washing supplies without them coming into direct contact with the wash load. Therefore, it is disclosed a washing supply dispensing system that, comprising at least one storage container of supplies ( | 06-19-2014 |
20140161602 | STRUCTURAL ASSEMBLY FOR CENTRIFUGAL FAN ROTOR HOUSING - The present invention refers to a structural assembly for centrifugal fan rotor housing capable of optimizing the air flow in its interior. Such optimization is due to the existence of a pneumatic circuit ( | 06-12-2014 |
20140157837 | COLLECTOR RING OF WASHING SUPPLIES FOR VERTICAL AXIS WASHING MACHINE - This invention relates to a collector ring of washing supplies for vertical axis washing machine between a storage container of washing supplies and the assembly formed by water storage tank and the washing basket. The said collector ring ( | 06-12-2014 |
20140157834 | VERTICAL AXIS WASHING MACHINE - The present invention relates to a vertical axis washing machine provided with a washing fluids drainage system whose washing fluids are suctioned into the agitator and then drained from the washing basket from its central-bottom opening. In particular, a vertical axis washing machine ( | 06-12-2014 |
20140140040 | ENERGIZING SYSTEM OF REMOVABLE COMPONENTS PROVIDED WITH ELECTRIC-ELECTRONIC DEVICES AND ELECTRIC DRIVING METHOD FOR DEVICES DISPOSED IN REMOVABLE COMPONENTS - The present invention, which aims at solving the problem of supplying electricity to removable components of household appliances and other apparatuses in general, pertains to the field of parts and accessories for household appliances and refers to removable components of equipments comprising wireless powered electronic devices. More specifically, the present invention is directed to removable shelves comprising illuminating means, in which their power supply is wireless. | 05-22-2014 |
20140134026 | VALVE ARRANGEMENT FOR HERMETIC COMPRESSORS - The arrangement can be applied to a compressor which comprises a compression cylinder closed by a valve plate provided with seat regions and with respective suction orifice and discharge orifice which are closed by a sealing end portion of a respective valve vane, to be peripherally seated against its seat region. The valve plate carries a support means, defined in the central region of the contour of at least one of the suction orifice and discharge orifice and incorporated to the valve plate by at least one radial arm. The support means has a stop surface, against which is seated a central region of the sealing end portion of the respective vane, said stop surface defining a projection in relation to the radial arm. | 05-15-2014 |
20140132199 | METHOD FOR STARTING A SINGLE-PHASE INDUCTION MOTOR, STARTING DEVICE FOR A SINGLE-PHASE MOTOR AND STARTING SYSTEM THEREFOR - The present invention relates to a starting device for a single-phase induction motor, comprising a stator (M) with an running winding (B | 05-15-2014 |
20140125269 | WINDING SWITCHING CIRCUIT AND THERMAL PROTECTION FOR DUAL VOLTAGE HERMETIC INDUCTION MOTOR OF HERMETIC COOLING COMPRESSOR - A winding switching circuit and thermal protection for dual voltage hermetic induction motors used in hermetic cooling compressors. The circuit includes two coils of the main winding, an auxiliary winding, three switches that are connected based on desired connections for each of the power arrangements, a start-up relay and thermal protection devices that protect the two main windings from overheating. The circuit is operative in first and second arrangements. In the first arrangement, the first switch and the third switch are connected, the second switch is disconnected, and the first main winding, and second main winding and the auxiliary winding are connected in parallel. In the second arrangement, the first switch and the third switch are disconnected, the second switch is connected, and the first main winding and the second main winding are connected in series and the auxiliary winding is connected in parallel only to the second main winding. | 05-08-2014 |
20140105757 | SYSTEM AND METHOD OF REMOTELY CONNECTING AND DISCONNECTING THE AUXILIARY POWER SUPPLY OF A FREQUENCY INVERTER FOR VARIABLE CAPACITY COMPRESSOR EMPLOYED IN COOLING SYSTEMS - System and method of remotely connecting and disconnecting an auxiliary power supply of the frequency inverter for variable capacity compressors employed in cooling systems. The inverter includes a circuit breaker that when it receives an external signal to activate the auxiliary power supply indicating that the auxiliary supply should be connected, the circuit breaker enables the auxiliary power supply, which activates the inverter. The inverter begins sending, continually, the internal maintenance signal to activate the auxiliary supply to the circuit breaker indicating that the auxiliary supply should be kept running, making the circuit breaker maintain the auxiliary power supply enabled. When the circuit breaker receives an external deactivation signal from the auxiliary supply indicating that the auxiliary supply should be disconnected, the inverter stops sending the signal to maintain the auxiliary supply activated to the circuit breaker, and the circuit breaker disables the auxiliary power supply, deactivating the inverter. | 04-17-2014 |
20140102247 | CONNECTING ROD FOR REFRIGERATION COMPRESSORS - The compressors of the invention comprise: a crankcase carrying a cylinder, inside which is lodged a piston provided with two radial holes and with one eccentric axial hole; a connecting rod having a smaller eye mounted in the interior of the piston and connected to a larger eye through a rod; a wrist pin provided with a diametral hole and disposed through the smaller eye of the connecting rod and through the opposite radial holes of the piston; and an elastic pin to be inserted in the eccentric axial hole of the piston and in the diametral hole of the wrist pin. The connecting rod incorporates an indexing stop which defines an axial seating surface for a tool for inserting the elastic pin, said axial seating surface being positioned at a predetermined distance from the axis of the smaller eye of the connecting rod. | 04-17-2014 |
20140097735 | CONSTRUCTION ARRANGEMENT INTRODUCED IN A REFRIGERATOR - The present utility model patent describes a novel construction arrangement introduced in a refrigerator that is free of snapping sounds. To that end, at least one film ( | 04-10-2014 |
20140072451 | CONTROL SYSTEM AND METHOD FOR RECIPROCATING COMPRESSORS - The present invention relates to a control system for hermetic cooling compressor, which includes a reciprocating compressor ( | 03-13-2014 |
20140070469 | SUSPENSION SPRING FOR A REFRIGERATION COMPRESSOR - Suspension spring for a refrigeration compressor of the type which comprises a shell and a block, forming, with the stator of an electric motor, a stationary assembly which is mounted in the interior of the shell by means of an assembly of helical springs. The helical spring presents, for a predetermined dimensional range of one of the spring parameters defined by the spring average diameter, the pitch of its coils, the spring wire diameter and the active height, a ratio between at least two of each pair of the other three parameters, defined to provide, to said helical suspension spring, for a desired frequency band, a stiffness corresponding, at minimum, to that of structural reliability of the suspension, and an attenuation in its acoustic transmissibility, in relation to the springs dimensioned only as a function of their suspension structural requirements for a desired frequency band. | 03-13-2014 |
20140023524 | METHODS FOR CONTROLLING A COMPRESSOR WITH DOUBLE SUCTION FOR REFRIGERATION SYSTEMS - The present invention refers to methods for controlling a double suction compressor for application in refrigeration systems, capable of meeting the different demands for cost, efficiency and control of temperatures by means of techniques of complexity levels and different configurations of the elements from the control loop (temperature sensors, actuators, controllers, etc.). The proposed solutions include the description of a method for controlling and adjusting the refrigeration capacities of a refrigeration system equipped with a double suction compressor, the refrigeration system comprising compartments to be refrigerated and comprising at least two evaporators ( | 01-23-2014 |
20130336765 | CRANKSHAFT FOR AN ALTERNATIVE COOLING COMPRESSOR - The present invention refers to a crankshaft ( | 12-19-2013 |
20130330177 | SUCTION ARRANGEMENT FOR A REFRIGERATION COMPRESSOR - A refrigeration compressor is provided and may include a shell carrying a suction-inlet tube having an outlet nozzle opened to the interior of the shell and a cylinder block to which is mounted a suction muffler that incorporates an admission tube provided with an inlet nozzle. | 12-12-2013 |
20130323030 | BEARING ARRANGEMENT FOR A RECIPROCATING COMPRESSOR - The arrangement of the present invention is applied to a compressor which comprises a bearing hub housing a crankshaft and presenting at least a first and a second bearing portion, spaced apart by a circumferential recess. The crankshaft presents at least a first and a second support portion, spaced apart by a circumferential recess, which is offset from the circumferential recess of the bearing hub. At least one of the bearing portions and support portions has an axial extension superior to that required for radially bearing the crankshaft, the first and second bearing portions defining, with the first and second support portions, respectively, a first and a second radial bearing regions having the axial extensions required for a radial bearing for the crankshaft, presenting lower loss by viscous friction. | 12-05-2013 |
20130315513 | TRIBOLOGICAL PAIR AND PROCESS FOR SURFACE TREATMENT IN TRIBOLOGICAL PAIRS - The present invention is applied to a tribological pair comprising two metal pieces, a first of them having a movable contact surface which provides friction in relation to a respective contact surface of a second of said metal pieces. According to the present invention, the first metal piece has its contact surface defined by a coating formed: by a first surface layer in a material harder than that of the first metal piece; and by a second surface layer, disposed onto the first surface layer and in a material defining a coating which reduces the chemical affinity in relation to the contact surface of the second metal piece of the tribological pair, in order to provide, to said tribological pair, a lower friction coefficient in relation to the tribological pair deprived of said coating. | 11-28-2013 |
20130312598 | MOUNTING ARRANGEMENT FOR A SUCTION MUFFLER IN A LINEAR MOTOR COMPRESSOR - The mounting arrangement is applied to a compressor which comprises: a piston having a cylindrical tubular body; and an actuating means connected to the piston to drive the latter in a reciprocating movement. The suction muffler comprises two tubular inserts, longitudinally disposed in the interior of the piston and having spaced apart open adjacent ends, and closed opposite ends respectively affixed to the top wall of the piston and to the actuating means, and defining, in the interior of the piston, a muffling chamber (C) and an annular passage medianly opened to the muffling chamber (C) and communicating an open rear end of the piston with a suction valve provided in a top wall of said piston. | 11-28-2013 |
20130300329 | SYSTEM AND METHOD FOR MONITORING AND CONTROLLING A BRUSHLESS ELECTRIC MOTOR - A system for monitoring and controlling a brushless motor associable to an electric power source by means of a rectifier. An actuator assembly is operatively associated to the motor and rectifier. The rectifier is arranged to provide a continuous busbar voltage (Vbar) and a continuous reference voltage (Vref) to the actuator assembly. The actuator assembly includes switches (SW | 11-14-2013 |
20130280113 | SUCTION VALVE FOR A REFRIGERATION COMPRESSOR AND ITS MOUNTING PROCESS - The compressor comprises a valve plate, to be affixed to a compressor block, and a suction valve (V) formed by a spacer body, having a median opening and a flexible vane, which has a fixing end portion provided with a contour, symmetrical or asymmetrical, in relation to a longitudinal axis (X) of the flexible vane and which presents peripheral edge portions to be seated against respective inner edge portions of the median opening for restricting coplanar, linear and angular displacements of the flexible vane in relation to the spacer body upon seating the flexible vane against the valve plate, in the interior of the median opening. | 10-24-2013 |
20130264991 | START AND CONTROL METHOD FOR A SINGLE-PHASE INDUCTION MOTOR, A START AND CONTROL SYSTEM FOR A SINGLE-PHASE INDUCTION MOTOR AND AN ELECTRONIC START AND CONTROL DEVICE APPLIED TO A SINGLE-PHASE INDUCTION MOTOR - The present invention relates to a method, a system and an electronic device ( | 10-10-2013 |
20130243607 | CONTROL METHOD FOR A RESONANT LINEAR COMPRESSOR AND AN ELECTRONIC CONTROL SYSTEM FOR A RESONANT LINEAR COMPRESSOR APPLIED TO A COOLING SYSTEM - A control method and system for a resonant linear compressor applied for controlling the capacity of a cooling system. The method includes: a) reading a reference operation power (P | 09-19-2013 |
20130189119 | SYSTEM FOR CONTROLLING A RESONANT LINEAR COMPRESSOR PISTON, METHOD FOR CONTROLLING A RESONANT LINEAR COMPRESSOR PISTON, AND RESONANT LINEAR COMPRESSOR - A system and a control method for the piston of a resonant linear compressor ( | 07-25-2013 |
20130121855 | MOUNTING ARRANGEMENT FOR A RESONANT SPRING IN A LINEAR MOTOR COMPRESSOR - The compressor of the invention comprises: a block with a cylinder; a movable assembly formed by a piston reciprocating in the cylinder and coupled to an actuating means by a rod; and a resonant spring having a first and a second diametrical end portion which are attached to the movable assembly by a first fixation means (MF | 05-16-2013 |
20130045119 | REFRIGERATION COMPRESSOR - The present invention relates to a thermally efficient refrigeration compressor, comprising a housing which surrounds the component parts of the compressor and a heat accumulating material occupying a volume internal ( | 02-21-2013 |
20120319551 | SEALING SYSTEM FOR REFRIGERATOR - The present invention discloses a sealing system for a refrigerator and, more particularly, a sealing system located between the doors of a refrigerator and its acclimatized chambers and of the kind that comprises a gasket to be inserted in a receiving channel existing also between the doors of a refrigerator and its acclimatized chambers. The sealing system for refrigerator herein reported consists of at least one gasket comprising a tubular body formed by at least one attaching end and by at least one sealing body; at least one groove defined in at least one movable door or at least one fixed cabinet; and by at least one rib defined in at least one movable door or at least one fixed cabinet. | 12-20-2012 |
20120304978 | GAS BURNER SECONDARY AIR FEED - The present invention refers to a gas burner secondary air feed, comprising an air inlet ( | 12-06-2012 |
20120292350 | MOTOR ICE DISPENSER FOR REFRIGERATORS - The present invention relates to a motor ice dispenser for refrigerators comprising an electric motor ( | 11-22-2012 |
20120269662 | MOUNTING ARRANGEMENT FOR AN ECCENTRIC SHAFT IN A REFRIGERATION COMPRESSOR - The compressor of the invention includes a block (B) defining a shaft hub having a first and a second end portion and housing an eccentric shaft having a median portion radially journalled in the shaft hub, and a free end portion carrying the rotor of an electric motor. The first and the second end portions of the shaft hub define radial bearings for the shaft and a support member is formed by a coupling portion, affixed to the free end portion of the shaft, and by a mounting portion, projecting axially and radially from the coupling portion, externally to the shaft hub and around the median portion of the shaft. The rotor is affixed to the mounting portion, concentrically to the eccentric shaft and surrounding the shaft hub. | 10-25-2012 |
20120269661 | MOUNTING ARRANGEMENT OF THE SUSPENSION SPRINGS IN A REFRIGERATION COMPRESSOR - The suspension spring mounting arrangement is applied to a refrigeration compressor comprising a shell ( | 10-25-2012 |
20120267075 | COOLING SYSTEM FOR RECIPROCATING COMPRESSORS AND A RECIPROCATING COMPRESSOR - Cooling system for reciprocating compressors comprising an atomizing nozzle ( | 10-25-2012 |
20120261022 | THERMAL ISOLATION, SUITABLE FOR ISOLATING THE GAS DISCHARGE TUBE OF A REFRIGERATING COMPRESSOR, AND A PROCESS OF ASSEMBLING THE ISOLATION IN THE GAS DISCHARGE TUBE - The present invention relates to a thermal isolation, suitable for isolating the gas discharge tube ( | 10-18-2012 |
20120223610 | STATOR BLADE FOR AN ELECTRIC MOTOR - The present invention refers to a stator blade ( | 09-06-2012 |
20120183423 | BLOCK FOR A RECIPROCATING REFRIGERATION COMPRESSOR - The block (B) comprises a piston hub having a horizontal axis (X) and housing a piston and a shaft hub housing a crankshaft and having a vertical axis (Y) intersecting the horizontal axis (X). The block (B) incorporates a connecting portion having a first end attached to a region of the piston hub disposed on a side of the horizontal axis (X) opposite to that turned to the shaft hub, and a second end attached to an adjacent end portion of the shaft hub. The connecting portion is elastically deformable by a resulting bending moment (MF) generated: by a first compression derived force (F | 07-19-2012 |
20120085123 | REFRIGERATION MODULE AND REFRIGERATION SYSTEM - A self-contained, portable refrigeration unit having a construction arrangement which enables it to be compatible with several models, types and variations of refrigeratable compartments. This refrigeration unit is represented by a refrigeration module ( | 04-12-2012 |
20110214447 | ICE-MAKING MACHINE - The present invention refers to an ice-making machine provided with an ice formation reservoir ( | 09-08-2011 |
20110070105 | CONSTRUCTIVE ARRANGEMENT FOR A HERMETIC REFRIGERATION COMPRESSOR - A hermetic compressor, comprises: a hermetic shell ( | 03-24-2011 |
20110000069 | PROCESS FOR MOUNTING A VALVE IN A REFRIGERATION COMPRESSOR - A process for mounting a valve in a refrigeration compressor which presents a compression chamber ( | 01-06-2011 |
20100309622 | COMPUTER DOCKING STATION - The docking station ( | 12-09-2010 |
20100300303 | WARNING DEVICE FOR FOOD PREPARATION APPLIANCE - The invention herein refers to a warning device ( | 12-02-2010 |
20100294804 | WATER DISPENSER DEVICE AT DIFFERENT TEMPERATURES - A device receives water from a source ( | 11-25-2010 |
20100293722 | METHOD FOR THE OPERATING CONTROL OF A CLOTHES WASHING MACHINE AND CLOTHES WASHING MACHINE - The method of the invention encompasses the stages of: rotating the basket in a weighing rotation determined by a microprocessor, of a top-loading machine, already containing the load of clothes to be washed; producing signals for a load sensing device, assembled on a suspension rod of a containment drum that holds the basket, of the maximum and minimum loads to which such suspension rod is subject during each spin of the basket, processing the above-mentioned signals in order to define the average load applied to the suspension rods and with this information, the weight of the load of clothes; and determine, through the microprocessor and as a function of the weight of the load of clothes, the weight of the load of water fed into the containment drum. The method in question also allows control over the various operating functions of the machine, through monitoring the load applied to the above-mentioned suspension rod. | 11-25-2010 |
20100287977 | OIL PUMP FOR A REFRIGERATION COMPRESSOR - An oil pump is applied to a compressor which comprises a shell ( | 11-18-2010 |
20100257724 | PROCESS FOR FORMING A LAMINATION STACK - A process for forming a lamination stack of superposed metallic laminations, comprising the steps of: providing a locking lamination having locking openings adjacent to respective projecting tabs; providing a passage lamination with passage openings, each having a deformed edge portion; axially aligning and fitting each tab of the locking lamination through a passage opening of the passage lamination; and pressing each tab against an adjacent face of the passage lamination, until each tab is contained in a respective passage opening of the passage lamination and partially seated on an edge portion of the passage opening, deformed to the inside of the locking opening of the locking lamination, axially locking the latter to the passage lamination. | 10-14-2010 |
20100249002 | LUBRICANT OIL FOR A REFRIGERATION MACHINE, LUBRICANT COMPOSITION AND REFRIGERATION MACHINE AND SYSTEM - A lubricant oil for a refrigeration machine, and refrigeration machine, said refrigeration machine being of the type that operates with a refrigerant consisting of at least one component of the HC (hydrocarbon) group, the lubricant oil consisting of an alkylbenzene oil containing at least 80% by weight of alkylbenzene having a molecular weight of 120-288 and having a viscosity between about 3.0 and 7.0 cSt at a temperature of 40° C. and the lubricant composition consisting of said alkylbenzene oil and until about 8% by weight of one or more additives selected from a group consisting of improvers of oxidation resistance and thermal stability, corrosion inhibitors, metal inactivators, lubricity additives, viscosity index improvers, reducers of fluidity and flocculation point, detergents, dispersants, antifoaming agents, antiwear agents and extreme pressure resistant additives. | 09-30-2010 |
20100233003 | FIXATION ARRANGEMENT FOR AN OIL PUMP IN A REFRIGERATION COMPRESSOR - The fixation arrangement of the present invention is applied to a compressor of the type which comprises a shell ( | 09-16-2010 |
20100200019 | METHOD FOR THE INTERNAL CLEANING OF A CLOTHES WASHING MACHINE - A clothes washing machine includes a tank ( | 08-12-2010 |
20100183463 | PISTON FOR A REFRIGERATION COMPRESSOR - A piston of the type comprising a tubular skirt portion which is closed, next to an end edge, by a head portion, the skirt portion being defined by a respective tube extension and presenting an end edge region configured to affix a head portion formed in a separate piece and having a peripheral contour internal to an axial projection of the outer contour of the skirt portion. | 07-22-2010 |
20100172769 | SUSPENSION SYSTEM FOR A LINEAR COMPRESSOR - The suspension system is applied in a compressor, presenting a shell in which interior is horizontally suspended a motor-compressor assembly having opposite ends that are spaced from the shell by an axial spacing. Mounting elements are each attached to an end of the motor-compressor assembly and suspension springs are mounted to the shell and to each respective mounting element. The suspension system comprises stop elements attached to the shell and having a free end portion disposed between a respective end of the motor-compressor assembly and the adjacent suspension spring. A first distance defined between the stop element and the adjacent end of the motor-compressor assembly is smaller than the axial spacing and smaller than a second distance defined between the stop element and an adjacent suspension spring. | 07-08-2010 |
20100095698 | RESONATOR ARRANGEMENT FOR THE CABINET OF A REFRIGERATION APPLIANCE - The invention refers to a resonator arrangement for the cabinet of a refrigeration appliance, said cabinet defining a housing and carrying, in the latter, a compressor presenting a hermetic casing and a defrost water evaporating tray comprising: a bottom wall, to be seated onto an upper portion of the casing of the compressor; and a peripheral wall superiorly projecting from the bottom wall, at least one of the peripheral wall and bottom wall of the evaporating tray carrying a noise absorbing means turned to a noise generation region in said housing and being dimensioned to define a certain reactive impedance and a certain dissipative impedance in the medium of the housing for a determined frequency band. | 04-22-2010 |
20100074771 | OIL PUMP FOR A REFRIGERATING COMPRESSOR - Oil pump for hermetic refrigerating compressor comprising a tubular sleeve having an upper portion affixed to at least one of the parts of crankshaft and rotor, and a lower portion having a lower end immersed in the lubricant oil, said tubular sleeve being provided with an inner surface presenting, along at least part of its longitudinal extension, at least one helical groove upwardly extending from the lower end; and a pump body disposed inside the tubular sleeve and defining, with the adjacent helical groove of the tubular sleeve, a lubricant oil ascending channel, said pump body presenting a lower end portion mounted to one of the parts of shell, cylinder block and stator, so as to be freely displaced within the tubular sleeve, in radial directions orthogonal to the crankshaft and rotatively locked in relation to the rotor. | 03-25-2010 |
20100040495 | PISTON-DRIVING ROD ARRANGEMENT FOR RECIPROCATING COMPRESSOR - The arrangement is applied to a reciprocating compressor comprising a reciprocating piston and a driving rod having one end coupled to a driving means and an opposite end cooperating with a joint pin mounted to the piston, and carrying one coupling longitudinal extension fitted in the joint pin and there retained so that the driving rod displaces the piston in its suction stroke. The joint pin is coupled to the piston during the compression stroke along a longitudinal extension of the side surface of the joint pin larger than the difference between the total longitudinal extension of the latter and the height of the opposite end of the driving rod. | 02-18-2010 |
20100018989 | Device for dispensing beverage cans - The present device for dispensing beverage cans is mounted in a refrigerator whose front door is provided with a dispensing opening and comprises:
| 01-28-2010 |
20100006371 | ACOUSTIC MUFFLER FOR A REFRIGERATION COMPRESSOR - The acoustic muffler comprises a hollow body ( | 01-14-2010 |
20090280015 | LINEAR COMPRESSOR - The invention refers to a linear compressor, comprising: a shell ( | 11-12-2009 |
20090277096 | SEALING GASKET FOR REFRIGERATOR DOOR AND SEALING SYSTEM - The present invention relates to a sealing system for refrigerator door and, more specifically, to a sealing system of the kind that comprises a gasket to be inserted in a receiving channel ( | 11-12-2009 |
20090265894 | CLAMP FOR TUBULAR CONNECTIONS IN SMALL REFRIGERATION SYSTEMS - The invention refers to a clamp for tubular connections in small refrigeration systems of the type which comprises a compressor operatively associated with a refrigeration circuit containing at least one working fluid, said refrigeration system comprising a tubular connecting element, in an elastically deformable material, to be attached around a tubular element that conducts working fluid. The clamp comprises two semi-annular portions having, each one, a first end and a second end, said first ends being coupled to each other and the second end of one of said semi-annular portions being provided with a locking means to be engaged in a lock receiving means provided in the second end of the other semi-annular portion, the coupling between the two first ends being made so as to allow said two semi-annular portions to be displaced between an open position, allowing to place the clamp around the tubular connecting element and a closed position, with the locking means retained in the lock receiving means. | 10-29-2009 |
20090072188 | LUBRICANT OIL FOR A REFRIGERATION MACHINE, LUBRICANT COMPOSITION AND REFRIGERATION MACHINE AND SYSTEM - A lubricant oil for a refrigeration machine, lubricant composition and refrigeration machine and system, said refrigeration machine and system being of the type that operates with a refrigerant consisting of at least one component of the HC (hydrocarbon) group, the lubricant oil consisting of an alkylbenzene oil containing at least 80% by weight of alkylbenzene having a molecular weight of 120-288 and having a viscosity between about 3.0 and 7.0 cSt at a temperature of 40° C. and the lubricant composition consisting of said alkylbenzene oil and until about 8% by weight of one or more additives selected from a group consisting of improvers of oxidation resistance and thermal stability, corrosion inhibitors, metal inactivators, lubricity additives, viscosity index improvers, reducers of fluidity and flocculation point, detergents, dispersants, antifoaming agents, antiwear agents and extreme pressure resistant additives. | 03-19-2009 |
20090038329 | SUCTION MUFFLER FOR A REFRIGERATION COMPRESSOR - A suction muffler for a refrigeration compressor, comprising a hollow body defining at least one dampening chamber that carries a gas inlet duct and a gas outlet duct presenting an inlet opening and an outlet opening, for communicating the interior and the exterior of the dampening chamber, at least one of the gas inlet and gas outlet ducts presenting at least one closed end, one of the inlet and outlet openings being positioned at a certain distance from said closed end, smaller than the distance of said opening in relation to the other opening of the same duct and in a region of the latter presenting a minimum acoustic pressure for a determined frequency, the dimensioning of said duct and of the cross section of the first of said openings being achieved so as to minimize the gas pulsation noises inside the suction muffler. | 02-12-2009 |
20080310980 | Valve Mounting Arrangement For a Refrigeration Compressor - A valve mounting arrangement for a refrigeration compressor which presents a compression chamber closed by a valve plate having a suction orifice closed by a valve element having a mounting end portion. The mounting arrangement comprises: a first retaining means to retain the mounting end portion of the valve element inside a receiving recess of the valve plate; and at least one orientation projection carried by receiving recess and/or the mounting end portion of the valve element and to be fitted into an orientation recess in the other part; and/or a second retaining means provided between the receiving recess and the mounting end portion of the valve element, so as to avoid the latter from moving from the receiving recess before mounting the first retaining means. | 12-18-2008 |
20080310977 | Compact Compressor - A compact compressor comprising a first tubular housing portion; a second tubular housing portion having a first end region open to the first tubular housing portion and a second end region defining a compression chamber and housing a piston; an electric motor carried by the first tubular housing portion; a driving means connecting the piston to the electric motor; a valve plate seated against the second end region of the second tubular housing portion; and an end cover fixed to the second tubular housing portion and acting against the valve plate and providing, internally and through the valve plate, fluid communications between the compression chamber and the suction line and discharge line of a refrigeration circuit to which the compressor is coupled. | 12-18-2008 |
20080310974 | Hermetic Compressor With a Heat Dissipation System - A hermetic compressor with a heat dissipating system, comprising: a casing within which is defined an oil sump; a cylinder block mounted inside the casing and defining a cylinder, for compression of a refrigerant fluid, having an end closed by a cylinder head in which is defined a discharge chamber, and at least one thermal energy transfer duct having a heat absorbing end mounted to the cylinder block in order to absorb the heat generated by compression of the refrigerant fluid inside the cylinder, and a heat releasing end provided away from the cylinder block in order to conduct and liberate the heat absorbed therefrom to another means. | 12-18-2008 |
20080271943 | Acoustic Muffler for a Hermetic Compressor - Acoustic muffler for a hermetic compressor, comprising: a hollow base; a cover to be coupled to the hollow base, said parts of hollow base and cover including respective peripheral flanges to be mutually seated according to a seating plane; and a retention means, attaching the hollow base to the cover at the junction of said peripheral flanges, each peripheral flange presenting a respective seating surface provided with at least one recess and one rib radially adjacent and which are shaped to respectively complement one rib and one recess of the seating surface of the other peripheral flange, each rib and recess being continuous and provided to define a locking between the parts of hollow base and cover against relative spacing apart movements in said seating plane, and to define continuous sealing radial labyrinths between the interior and the exterior of the acoustic muffler, at the junction of said peripheral flanges. | 11-06-2008 |
20080260561 | Hermetic Compressor With Internal Thermal Insulation - A hermetic compressor with internal thermal insulation, comprising: a compression cylinder having one end closed by a valve plate provided with a discharge orifice and having a front face against which is mounted a cylinder cover internally defining a discharge chamber; and a spacing duct having one inlet end hermetically mounted to the front face of the valve plate and open to the discharge orifice and an outlet end hermetically mounted to the cylinder cover and open to the interior of the discharge chamber, said spacing duct defining a hermetic fluid communication between the interior of the compression cylinder and the discharge chamber maintaining the cylinder cover spaced from the valve plate and defining, with the latter, an annular plenum around said spacing duct. | 10-23-2008 |
20080223560 | HEAT EXCHANGER - A heat exchanger of the single circuit type, to be coupled to a fluid circulation circuit and comprising: an upper tubular head element and a lower tubular head element horizontally arranged and which are each provided with a nozzle and through slots provided in an inner longitudinal wall portion; and a plurality of vertically disposed fluid conduction tubes, each internally defining a plurality of longitudinal microchannels. The opposite ends of the fluid conduction tubes are affixed to the inner longitudinal wall portion of the upper tubular head element and lower tubular head element, respectively, so as to communicate the ends of the microchannels of each tube with a through slot of the respective tubular head element and, thus, the fluid conduction tubes with the interior of the upper tubular head element and lower tubular head element. | 09-18-2008 |