Patents Assigned to Whirlpool S.A.
  • Patent number: 10105661
    Abstract: A carbonation tower for containers of household appliances, more specifically for appliances for the automatic preparation of instant drinks, which has been developed to provide more optimized operation and use and efficient than those achieved with the known similar. Said carbonation tower including a substantially elongated body included of at least one pipe provided with at least two holes and said pipe secured to a base including at least a nozzle, said cooperating base further including a lid of a lower compartment; said lid further including at least one toroidal contoured rib cooperating with at least one lower nozzle of the container, and wherein the water and the carbon dioxide are sucked by the upper edge of the pipe and/or the holes and expelled in a path orthogonal to the suction axis through the at least one nozzle.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: October 23, 2018
    Assignee: Whirlpool S.A.
    Inventors: Gustavo Lazzaris De Bona, Alisson Costa Da Silva
  • Patent number: 10094374
    Abstract: The present invention refers to a system and method for checking the operational status of alternative compressor valve and more particularly for checking operational status of electrically commanded valves, provided in alternative compressors used in refrigeration systems. In accordance with the present invention, said operational checking system of alternative compressor valve comprises a data processing core (5) capable of estimating one among two possible operations statuses of said metal valve (1) by varying at least one electric parameter provided by said sensor (4), wherein said step of estimating one among two possible operational statuses of said metal valve (1) is effected on the basis of the results from the comparison between said signal of electric parameter from sensor (4) and the predetermined range of data analogous to the electric parameter.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: October 9, 2018
    Assignee: Whirlpool S.A.
    Inventors: Roberto Andrich, Günter Johann Maass
  • Patent number: 10012222
    Abstract: The compressor comprises a movable assembly carrying a suction muffler and formed by: a piston (10) having a skirt (11) with an open rear end (11a) and a closed front end (11b) which carries a suction valve (50); and an actuator. The suction muffler comprises: a first and a second tubular insert (61, 62) defining a first and a second chamber (C1, C2) and having confronting open ends (61a, 62a) spaced from each other, and closed opposite ends (61b, 62b) respectively affixed to a top wall (12) of the piston (10) and to the actuator; a third tubular insert (63) internally lining the skirt (11); and an annular passage (15), between the third and the second tubular inserts (63, 62), open to the first and second chambers (C1, C2), and communicating the open rear end (11a) of the skirt (11) with the suction valve (50).
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: July 3, 2018
    Assignee: Whirlpool S.A.
    Inventors: Dietmar Erich Bernhard Lilie, Talita Wajczyk
  • Patent number: 10001119
    Abstract: A method for protecting a resonant linear compressor (14) including structural resonance frequencies (wE) and a motor that is fed by feed voltage (Va) that has amplitude (A) and a drive frequency (wA), both controlled according to the equation A·sin(wt). The protection method is configured so as to include the step of preventing feed to the motor at drive frequencies (wA) that have at least one harmonic coinciding tithe the structural resonance frequency (wE) of the resonant linear compressor (14). A protection system of a resonant linear compressor (14) includes an electronic control (30) configured to prevent feed to the motor at the drive frequencies (wA) that have at least one harmonic coinciding with the structural resonance frequency (wE) of the resonant linear compressor (14).
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: June 19, 2018
    Assignee: Whirlpool S.A.
    Inventors: Dietmar Erich Bernhard Lilie, Paulo Sergio Dainez
  • Patent number: 9995294
    Abstract: The present invention refers to a hermetic reciprocating compressor for mobile application provided with a movement limiting assembly of its compression unit in relation to its hermetic housing, comprising technical and functional characteristics capable of optimizing the limitation of the movement of the compression unit in relation to the hermetic housing of a hermetic reciprocating compressor, reducing at the same time the level and intensity of vibrations and noises arising from this movement limitation.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: June 12, 2018
    Assignee: Whirlpool S.A.
    Inventors: Edson Correa Miguel, Patrick Getnerski
  • Patent number: 9979326
    Abstract: A device, system and method for starting a single-phase induction motor. The method includes: i) energizing the start winding (50b) and continuously estimating an operating rotation (R1) of the motor throughout its operation; ii) measuring a first phase shift level (D1) between at least two electrical quantities along a first stability stage (E1); iii) monitoring the variation of the first phase shift level (D1) according to the increase of the operating rotation of the motor along the first stability stage; iv) detecting an inflection stage (Einf) from the first phase shift level to a second phase shift level (D2), when the operating rotation is close to a regime rotation (R2); v) measuring the second phase shift level (D2) between at least two electrical quantities of the motor along a first stability stage (E2); and vi) de-energizing the start winding when the operating rotation reaches the regime rotation.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: May 22, 2018
    Assignee: Whirlpool S.A.
    Inventors: Marcelo Zanelato, Marcos Roberto de Souza
  • Patent number: 9975197
    Abstract: The present invention relates to a shaping and welding device and process of connector pipes or dowels (1) primarily intended for use in compressors. More specifically the process presented here concerns the shaping and welding of copper pipes (1) used as connectors for suction, discharge and process, the metal housing (2) of hermetic compressors, with the goal of making this equipment much more practical, efficient and economical.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: May 22, 2018
    Assignee: Whirlpool, S.A.
    Inventors: Moises Alves de Oliveira, Sergio Luiz Maganhoto
  • Publication number: 20180131296
    Abstract: A device, system and method for starting a single-phase induction motor. The method includes: i) energizing the start winding (50b) and continuously estimating an operating rotation (R1) of the motor throughout its operation; ii) measuring a first phase shift level (D1) between at least two electrical quantities along a first stability stage (E1); iii) monitoring the variation of the first phase shift level (D1) according to the increase of the operating rotation of the motor along the first stability stage; iv) detecting an inflection stage (Einf) from the first phase shift level to a second phase shift level (D2), when the operating rotation is close to a regime rotation (R2); v) measuring the second phase shift level (D2) between at least two electrical quantities of the motor along a first stability stage (E2); and vi) de-energizing the start winding when the operating rotation reaches the regime rotation.
    Type: Application
    Filed: January 9, 2017
    Publication date: May 10, 2018
    Applicant: Whirlpool S.A.
    Inventors: Marcelo Zanelato, Marcos Roberto de Souza
  • Publication number: 20180112901
    Abstract: A variable capacity compressor (100), a cooler (200) including same, and a method and system for controlling a variable capacity compressor are disclosed. An electronic control (50), a thermostat (30) and a power source (10) are disclosed, the power source including a neutral terminal and a phase terminal, the thermostat including a first terminal and a second terminal, and the electronic control including a phase feed input and a neutral feed input, the neutral terminal of the power source electrically connected to the neutral feed input of the electronic control and the phase terminal of the power source electrically connected to the first terminal of the thermostat, the second terminal of the thermostat connected electrically to the phase feed input of the electronic control, the thermostat configured to feed and un-feed selectively the electronic control, the electronic control activating and deactivating selectively the compressor and controlling its cooling capacity.
    Type: Application
    Filed: January 9, 2017
    Publication date: April 26, 2018
    Applicant: Whirlpool S.A.
    Inventors: Marcelo Zanelato, Cristiano Candido Valerio
  • Patent number: 9915260
    Abstract: A control method and a system for controlling the piston of a resonant linear compressor including at least one electronic control unit, the electronic control unit including at least one observing electronic circuit and at least one control circuit associated to each other. The observing electronic circuit is configured for: measuring at least one electric magnitude of the electric motor; estimating at least one set of electric parameters and at least one set of mechanical parameters of the resonant linear compressor; and estimating and providing at least one control parameter of the system for the control circuit based on the measured electric magnitude measured and on the estimated set of electric and mechanical parameters. The control circuit is configured for actuating the electric motor from the at least one control parameter.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: March 13, 2018
    Assignees: Whirlpool S.A., Fundacao Universidade do Estado de Santa Catarina-UDESC
    Inventors: Paulo Sergio Dainez, Jose de Oliveira, Ademir Nied
  • Patent number: 9909581
    Abstract: A compressor includes: a cylinder crankcase defining a cylinder closed by a valve plate provided with at least one discharge orifice; a cylinder cap seated against the valve plate and in the interior of which is defined a discharge chamber. A hollow body defines at least one plenum mounted internal to the cylinder cap, maintaining a gap with the latter. The hollow body is seated against the valve plate, preventing the direct contact thereof with the inner volume of the hollow body, the latter being provided with an inlet nozzle communicating the plenum with the discharge orifice of the valve plate, and with an outlet nozzle communicating the plenum with a gas outlet of the cylinder cap.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: March 6, 2018
    Assignee: Whirlpool S.A.
    Inventor: Dietmar Erich Bernhard Lilie
  • Patent number: 9861256
    Abstract: 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 (2), at least one reservoir (3) of inputs and at least one inputs outlet pipe (4). It is further provided at least one water spreader (5) associated with at least one water inlet pipe (2) and at least one containment structure (6) associated with at least one inputs outlet pipe (4).
    Type: Grant
    Filed: September 3, 2012
    Date of Patent: January 9, 2018
    Assignee: Whirlpool S.A.
    Inventors: Leandro Souza Lima, Denilson Femandes de Oliveira
  • Patent number: 9845798
    Abstract: The present invention relates to a suspension disposed between a compression unit and the hermetic housing of hermetic reciprocating compressors for mobile application, such as, for example, application in automotive vehicles and similar, and to the method of assembly of the components that constitute the referred suspension. According to the present invention, it is disclosed a suspension for hermetic reciprocating compressor for mobile application capable of reducing the effects of an eventual and involuntary sudden movement of the compression unit and also of minimizing the transfer of vibrations and noises deriving from the environment outside the hermetic housing to the compression unit.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: December 19, 2017
    Assignee: Whirlpool S.A.
    Inventors: Edson Correa Miguel, Patrick Getnerski
  • Patent number: 9797388
    Abstract: An apparatus for connecting a resilient member 1 to a magnetic actuator 2 of a linear compressor. The apparatus includes at least one support member 6 cooperating with a resilient element 1, the support member 6 includes a substantially cylindrical part equipped with intermediate perimeter salient portion 61; at least one fastening element 7 cooperating with the support member 8 and the magnetic actuator 2, and enabling interconnection between a magnetic actuator 2 and a resilient member 1 of a detachable and electrically insulated linear compressor, the fastening element 7 being made in electrically insulating and non-magnetic material.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: October 24, 2017
    Assignee: Whirlpool S.A.
    Inventors: Fernando Luiz Biesek, Everton Magnabosco
  • Patent number: 9777419
    Abstract: The present invention relates to a system for detecting washing machines removable basket, which comprises at least one washing basket (1) attached to the washing machine, at least one washing basket (2) removable from the washing machine and at least one structural component (3) attached to the washing machine. The system itself consists of at least one sensor (4) and at least one component (5) able to cause excitation in the sensor (4), wherein the sensor (4) can be physically associated to the structural component (3) attached to the washing machine and the component (5) can be physically associated with the washing basket (2) removable from the washing machine. Alternatively, the sensor (4) can be physically associated to the washing basket (2) removable from the washing machine and the component (5) may be physically associated to the structural component (3) attached to the washing machine.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: October 3, 2017
    Assignee: Whirlpool S.A.
    Inventor: Danilo Antonio Bergamo
  • Patent number: 9768653
    Abstract: 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.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: September 19, 2017
    Assignee: Whirlpool S. A.
    Inventors: Anderson Wolf, Andre Lucas Merini, Hermann Otto Knupfer, Sergio Do Rosario, Tarcisio João Grott
  • Patent number: 9759211
    Abstract: 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 (Pref) of the motor of the compressor; b) measuring an operation current (iMED); c) measuring an operation voltage of a control module of the compressor; d) calculating an input power (PMED) of the motor as a function of the operation current (iMED) and of the operation voltage; e) comparing the input power (PMED) with the reference operation power (Pref); f) if the reference operation power (Pref) is higher than the input power (PMED), then increase an operation voltage of the compressor (UC); g) if the reference operation power (Pref) is lower than the input power (PMED), then decrease the operation voltage of the compressor (UC).
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: September 12, 2017
    Assignee: Whirlpool S.A.
    Inventors: Paulo Sérgio Dainez, Dietmar Erich Bernhard Lilie, Márcio Roberto Thiessen
  • Patent number: 9752564
    Abstract: The present invention refers to a compressor with an acoustic attenuator device, preferably those used in refrigeration systems, in general. More specifically, the present invention refers to an acoustic attenuator device comprising technical, structural, and functional features capable of simplifying the method of fabricating these parts and increasing acoustic attenuation levels of hermetic compressors, in general. In this sense, the attenuator device of the present invention comprises a hollow body closed by a cover to form a structure having at least one inlet hole and an outlet hole, wherein there is provided between said hollow body and said cover at least one intermediate body dividing said structure into at least two acoustic chambers (A, A?), and is formed by a platform provided with a connecting channel, which is in fluid communication between said acoustic chambers (A, A?) and further surrounds an outlet channel, which is interconnected with said outlet hollow disposed on said cover.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: September 5, 2017
    Assignee: Whirlpool S.A.
    Inventors: Eduardo Arceno, Bruno Eduardo Da Silva
  • Patent number: 9752586
    Abstract: The present invention refers to a linear engine for compressor, and to a compressor provided with a linear engine. The linear engine for compressor comprises at least a stator consisting of a first core (2) and a second core (3), and at least a cursor (4), wherein said first core (2), cursor (4) and second core (3) are concentrically disposed. Said first core (2) is substantially defined by at least two different bodies (21, 22) and provides attaching means (6, 7) between said two bodies (21, 22).
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: September 5, 2017
    Assignee: Whirlpool S.A.
    Inventors: Alberto Bruno Feldmann, Flavio J. H. Kalluf
  • Patent number: D822822
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: July 10, 2018
    Assignee: Whirlpool S.A.
    Inventors: Eduardo Arceno, Evandro Luiz Lange Pereira