| WHIRLPOOL S.A. Patent applications |
| Patent application number | Title | Published |
|---|
| 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 |
