Bottom Drive Patents (Class 68/133)
  • Patent number: 10077521
    Abstract: A washing machine capable of reducing power consumption comprising: a substantially bottomed cylindrical washing tank; a rotary wing rotatably and freely arranged at a bottom of the washing tank; and a driving unit for rotatably driving the rotary wing by being powered by electricity. The rotary wing is formed in a disc shape and centered on a rotary axis (Ra), and a plurality of stirring blades radially extending towards an outer circumference are arranged on a surface of the rotary wing. A center (Cw) of these stirring blades is set at a position more misplaced towards an outer diameter direction than the rotary axis (Ra), and a protrusion part more protruded towards an axial direction of the rotary axis (Ra) than the stirring blades is arranged at the center (Cw) of the plurality of stirring blades.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: September 18, 2018
    Assignees: HAIER ASIA INTERNATIONAL CO., LTD., QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Tamotsu Kawamura, Tomohiro Yamauchi
  • Patent number: 10047468
    Abstract: An infuser with an integral coupler for use in automatic washing machines is described, wherein thanks to the outer geometry thereof, that is to say, thanks to the combination of the curvature of the blades on its front face and the concavity on its side faces, there is no need for the water to completely cover the textile clothes load, because it is in constant motion due to the generation of a strong stream going from the bottom to the top, resulting in a homogeneity in cleansing with a much less amount of water.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: August 14, 2018
    Assignee: MABE, S.A. DE C.V.
    Inventors: Santiago Alonso Plata Amarillas, Ramon Merino Cervantes, Omar Loza Guerrero
  • Patent number: 9994992
    Abstract: Disclosed herein is a washing machine, which includes a clutch unit provided to be able to selectively transmit power generated from a drive unit to a drum and a pulsator. The clutch unit includes an outer shaft that is connected to the drum at an upper side thereof and rotates the drum, an inner shaft that is located in the outer shaft, is connected to the pulsator at an upper side thereof, and rotates the pulsator, and a one-way bearing that is installed between the inner shaft and the outer shaft. The one-way bearing selectively transmits a rotating force from the outer shaft to the inner shaft according to a rotating direction of the outer shaft. With this configuration, it is possible to simplify a structure of the clutch unit and to use space efficiently.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: June 12, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Hyun Kim, Geun Kang, Jong Woon Park
  • Patent number: 9926658
    Abstract: A washing machine for treating laundry comprising a basket rotatable about a first rotational axis, having a peripheral side wall extending upwardly from a bottom wall to at least partially define a treating chamber; a clothes mover proximate the bottom wall, having a base with a centrally located hub concentric with a second rotational axis about which the clothes mover reciprocally rotates; and at least one vane having an elongated body extending away from the hub and projecting upwardly from the clothes mover.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: March 27, 2018
    Assignee: Whirlpool Corporation
    Inventors: Darryl C. Bodine, David W. Carr, Dale E. Mueller, Basak Oguz, Jon D. Strait
  • Patent number: 9657422
    Abstract: A washing machine of the present invention includes: an inner tub receiving laundry; a pulsator rotatably disposed in the inner tub; and guides disposed on the pulsator and guiding washing water, which is turned circumferentially in the inner tub, to the rotational center axis of the inner tub by hitting against the washing water.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: May 23, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaeyong Jeong, Youngjong Kim, Kyubum Lee
  • Patent number: 9647507
    Abstract: A motor with one-way rotation including: a stator having a stator core, an upper insulator joined to the upper portion of the stator core, and a lower insulator joined to the lower portion of the stator core; a rotor having a rotor housing which includes a disc part having a hollow portion formed at the center and a side wall part vertically formed along the outer circumference of the disc part in the upward direction, and a plurality of magnets attached to the inner face of the side wall part of the rotor housing, the disc part having a one-way bearing seating portion formed around the hollow portion; a rotary shaft penetrating through the central portions of the stator and the rotor; and a one-way bearing having an outer wheel joined to the one-way bearing seating portion and an inner wheel joined to the rotary shaft.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: May 9, 2017
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Gyeong Sik Yang
  • Patent number: 9556549
    Abstract: A washing machine for treating laundry comprising a basket rotatable about a first rotational axis, having a peripheral side wall extending upwardly from a bottom wall to at least partially define a treating chamber; a clothes mover proximate the bottom wall, having a base with a centrally located hub concentric with a second rotational axis about which the clothes mover reciprocally rotates; and at least one vane having an elongated body extending away from the hub and projecting upwardly from the clothes mover to terminate in a tip.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: January 31, 2017
    Assignee: Whirlpool Corporation
    Inventors: Darryl C. Bodine, David W. Carr, Dale E. Mueller, Basak Oguz, Jon D. Strait
  • Patent number: 9422656
    Abstract: A drum type washing machine includes a main tub having a main drum that rotates to wash laundry, a sub tub separate from the main tub and having a sub drum that rotates to wash laundry, and a clutch unit including a motor that provides a rotational force to at least one of the main drum and the sub drum.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: August 23, 2016
    Assignee: DONGBU DAEWOO ELECTRONICS CORPORATION
    Inventors: Ju Dong Lee, Jeong Hyeon Kim, In Dong Kim, Hye Ung Kim
  • Patent number: 9347166
    Abstract: A washing machine for treating laundry comprising a basket rotatable about a first rotational axis, having a peripheral side wall extending upwardly from a bottom wall to at least partially define a treating chamber; a clothes mover proximate the bottom wall, having a base with a centrally located hub concentric with a second rotational axis about which the clothes mover reciprocally rotates; and at least one vane having an elongated body extending away from the hub and projecting upwardly from the clothes mover to terminate in a tip.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: May 24, 2016
    Assignee: Whirlpool Corporation
    Inventors: David W. Carr, Dale E. Mueller, Basak Oguz, Jon D. Strait
  • Patent number: 9243360
    Abstract: An impeller for a washing machine appliance is provided. The impeller includes a stamped plate that is rotatable about an axis of rotation. The stamped plate also defines an opening at the axis of rotation. A mounting insert is received within the opening of the stamped plate in order to fix the mounting insert to the stamped plate.
    Type: Grant
    Filed: January 8, 2013
    Date of Patent: January 26, 2016
    Assignee: General Electric Company
    Inventors: Lucius Levon Cole, David Scott Dunn
  • Patent number: 9115452
    Abstract: A laundry treating appliance may include a drum and an impeller. The impeller may have a raised center, a bottom plate, a transition region between the bottom plate and the raised center, a center post extending upward from the raised center, and a plurality of radial protrusions extending along the raised center, the bottom plate, and the transition region.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: August 25, 2015
    Assignee: Whirlpool Corporation
    Inventors: David W. Carr, Joseph L. Moulton, Dale E. Mueller, Jon D. Strait
  • Publication number: 20150135778
    Abstract: Disclosed is a fully automatic washing machine for easily unloading washed laundry on a bottom surface of a washing tub, and more particularly, to a full automatic washing machine for easily unloading laundry by lifting the laundry from the bottom of the washing tub by lifting a pulsator at the bottom of the washing tub.
    Type: Application
    Filed: December 18, 2013
    Publication date: May 21, 2015
    Applicant: Dongbu Daewoo Electronics Corporation
    Inventors: Young Ho HAM, Young Shin PARK, Jin Sub YOUN, Ahn Chul JUNG
  • Patent number: 9021839
    Abstract: A motor for washing machines having a first insulator of the motor which surrounds a lower portion of a stator core of a stator of the motor and includes a ring-shaped mounting unit including a plurality of connection bosses so as to mount the stator on a tub of a washing machine, and at least one heat dissipation hole is provided on the mounting unit, thereby improving a cooling effect of the stator core.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: May 5, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Jin Lee, Woon Yong Lee, Myong Gui Choi
  • Publication number: 20150107308
    Abstract: A laundry treating appliance may include a tub and a basket located at least partially within the tub and at least partially defining a laundry treating chamber. A drive system may operatively couple the tub to the basket and may be operative to rotate the basket about a rotational axis. The tub and the basket may each have a base with an effective stiffness, and the effective stiffnesses may be matched.
    Type: Application
    Filed: October 17, 2013
    Publication date: April 23, 2015
    Applicant: Whirlpool Corporation
    Inventor: BRENNER M. SHARP
  • Publication number: 20150061560
    Abstract: A washing machine and a control method thereof capable of determining whether a driving motor is locked. A pulsator is rotatably mounted in a spin basket, a driving motor generates rotational force, a clutch transmits the rotational force to the pulsator or the spin basket, a driving circuit supplies a driving current to the driving motor, and a control unit controls the driving circuit and the clutch so that the pulsator rotates in a forward or reverse direction and rotation of the spin basket is stopped in a washing or rinsing process. The control unit controls the driving circuit so that a motor lock detection current is supplied to the driving motor, and controls the clutch so that, if a rotating speed of the driving motor is less than a reference speed, the rotational force is transmitted only to the pulsator.
    Type: Application
    Filed: August 22, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Hun LEE, Sung Mo LEE, Jung Won CHOI
  • Publication number: 20150052954
    Abstract: A washing machine may include a static wash tub, a rotatable vertical axis wash basket in the static wash tub, and a drive motor for rotating the wash basket. A closure may direct wash liquid from the wash basket to a catch basin. A flange may be attached to the closure so that an unattached edge ends within the catch basin. The unattached edge may end below the surface of a first volume of wash liquid to minimize migration of wash liquid and/or vapor from the washing machine. The unattached edge may end above the surface of a second volume of wash liquid less than the first volume to minimize agitation of wash liquid in the catch basin.
    Type: Application
    Filed: January 16, 2014
    Publication date: February 26, 2015
    Applicant: Whirlpool Corporation
    Inventors: DONALD E. ERICKSON, BRENNER M. SHARP
  • Publication number: 20150040620
    Abstract: A washing machine of the present invention includes: an inner tub receiving laundry; a pulsator rotatably disposed in the inner tub; and guides disposed on the pulsator and guiding washing water, which is turned circumferentially in the inner tub, to the rotational center axis of the inner tub by hitting against the washing water.
    Type: Application
    Filed: August 6, 2014
    Publication date: February 12, 2015
    Inventors: Jaeyong JEONG, Youngjong Kim, Kyubum Lee
  • Publication number: 20150033802
    Abstract: A pulley has a plastic body having a peripheral seat and a central hub defining a through opening, with teeth extending from the central hub into the through opening. A metal insert is located within the hub and has at least a portion circumscribing the through opening.
    Type: Application
    Filed: August 1, 2013
    Publication date: February 5, 2015
    Applicant: Whirlpool Corporation
    Inventors: THOMAS D. KLEINMANNS, KURT WERNER
  • Publication number: 20150033803
    Abstract: A laundry mover for a laundry treating appliance may include a protrusion located on an upper side of the laundry mover and forming an open-bottom cavity. The protrusion may have at least one opening fluidly communicating the cavity with a portion of the treating chamber above the protrusion. A diverter may be located on a lower side of the laundry mover such that rotation of the laundry mover brings the diverter into contact with liquid in a portion of the treating chamber underneath the laundry mover, and the diverter directs the liquid through the cavity to expel the liquid through the at least one opening.
    Type: Application
    Filed: August 5, 2013
    Publication date: February 5, 2015
    Applicant: Whirlpool Corporation
    Inventors: DAVID W. CARR, DALE E. MUELLER, MARY E. ZEITLER
  • Publication number: 20150000352
    Abstract: A laundry treating appliance may include a treating chamber receiving laundry for treatment and a laundry mover mounted within the treating chamber for rotation about a rotation axis. The laundry mover may have a base made of a first material and a plurality of protrusions made of a different second material. At least portions of the upper surfaces of the base and the protrusions collectively form an upper surface of the laundry mover such that the laundry mover upper surface is at least partially formed of the differing first and second materials. The first material may be metal, and the second material may be plastic.
    Type: Application
    Filed: June 27, 2013
    Publication date: January 1, 2015
    Inventors: DAVID W. CARR, JOHN W. MCCONNELL, BASAK OGUZ, JON D. STRAIT
  • Publication number: 20140345063
    Abstract: A laundry machine and a washing process allow the storage of water from prior washes, in order to minimize the consumption of water destined for laundry washing. According to an embodiment, the laundry machine includes an impeller (201); a wash tub (202); a mechanical and/or electric drive element of the impeller and of the tub; and at least a tank (203) encircling the wash tub. There is additionally a reservoir (300) in fluid communication (250) with the tank and disposed below the tank and the wash tub and encircling, at least partially, the mechanical and/or electric drive element of the impeller and the tub.
    Type: Application
    Filed: August 15, 2012
    Publication date: November 27, 2014
    Applicant: ELECTROLUX DO BRASIL S/A
    Inventors: Cirilo Alex Cavalli, Marcelo Piekarski
  • Publication number: 20140305173
    Abstract: “FLOATING BASKET AND CLUTCH APPLIED TO THE TOP LOADING WASHING MACHINE”, more particularly, the basket floating (1) and clutch (2) are applied to top loading washing machines (M), equipped with motor (M) and drive system which includes a drive shaft (E), pulley (P) and belt (Cr) and sealing device (V), assembled between the shaft (E) and the base of the tub (T); more precisely, the clutch (2) is responsible for commanding the operation of the oscillating movement of the agitator or “impeller” (AG), when in the washing operation (OPL) of fabrics and operating the high-speed spinning of the agitator (AG) and basket (1), when operating in centrifugation operation (OPC) of fabrics; the floating basket (1) is coupled and fixed to the tub (5) of the upper sector (S1) of the clutch (2) and the tub is fixed to the female lower crown (4) of the lower sector (S2) of the clutch (2); the floating basket (1) has vertical displacement (x) in relation to the tub (T), along the drive shaft (E) and according to presence or ab
    Type: Application
    Filed: July 30, 2012
    Publication date: October 16, 2014
    Applicant: ELECTROLUX DO BRASIL S/A
    Inventors: Rodrigo Strzelecki Berndsen, Felipe Augusto Scheer, Marcelo Piekarski, Cirilo Alex Cavalli, Alvaro Volpato Junior
  • Publication number: 20140230496
    Abstract: A washing machine includes a cabinet for forming the appearance, a tub provided in the cabinet, a drum rotatably provided in the tub, a pulsator rotatably provided in the drum, a driving motor mounted outside the tub, and rotating the drum and the pulsator, and a water flow forming means provided below the pulsator, and forming a water flow ejected into the drum as an upstream flow.
    Type: Application
    Filed: November 1, 2012
    Publication date: August 21, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyubum Lee, Youngjong Kim
  • Patent number: 8782837
    Abstract: Disclosed herein are a washing machine and a control method of the same. The control method includes detecting a position of a coupler coupled to a rotor of a drive motor in a first mode in which power from the drive motor is transmitted to a washing shaft and a spin-drying shaft and coupled to a rotation prevention unit of a water tub in a second mode in which the power from the drive motor is transmitted to the washing shaft, determining based on the position of the coupler whether the coupling of the coupler is abnormal, shaking the coupler at a present position or moving the coupler to a position before mode switching and shaking the coupler such that the coupler is moved to a position where the mode switching is to be performed.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: July 22, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Mo Lee, Jae Young Choi, Jung Won Choi
  • Publication number: 20140182066
    Abstract: Provided is a washing machine. The washing machine includes an outer tub holding wash water, an inner tub rotatably provided in the outer tub and receiving laundry, a pulsator rotatably provided in the inner tub, a power transmission shaft rotating the pulsator, a buoyancy clutch that that moves up and down by buoyancy created by the wash water and transfers, when the buoyancy clutch is in a lower position, rotational force from the power transmission shaft to the inner tub to allow the pulsator and the inner tub to rotate integrally with each other, a circulation passage that is provided on an outer portion of the outer tub to allow the wash water drained out of the outer tub to be returned into the outer tub, a pump provided on the circulation passage and a drain guide unit that directs the wash water under the buoyancy clutch to a drain hole of the outer tub so that the buoyancy clutch moves downward.
    Type: Application
    Filed: December 26, 2011
    Publication date: July 3, 2014
    Inventors: Jae Won Chang, Kyu Bum Lee, Young Jong Kim, Ae Kyung Chae
  • Publication number: 20140165661
    Abstract: A clutch positioning assembly for a washing machine appliance is provided. The assembly uses a cam that can be rotated so as to position the clutch between different positions that provide for engaging or disengaging a motor from a wash basket. A leaf spring, configured as a yoke in one exemplary embodiment, provides a force to urge the clutch into a position that e.g., disengages the wash basket from the motor during e.g., wash modes while also allowing the clutch to be moved into a position that engages the wash basket with the motor during spin modes. The clutch positioning assembly can be provided as a modular unit that is connected with the appliance during manufacturing.
    Type: Application
    Filed: December 19, 2012
    Publication date: June 19, 2014
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Edward Simeon Chupka, Stephen Bernard Froelicher
  • Publication number: 20140109627
    Abstract: Disclosed is a washing machine including an inner tub in which fabrics are accommodated, a fixing hub installed to the inner tub, a rotating shaft configured to penetrate the inner tub and the fixing hub, a sun gear installed to the rotating shaft and having a lower gear portion and an upper pulsator coupling portion, an inner pulsator coupled to the pulsator coupling portion, a plurality of planetary gears engaged with the gear portion and rotatably arranged on the fixing hub, a ring gear having an inner circumferential surface engaged with the planetary gears, a gear box coupled to the ring gear, and an outer pulsator coupled to the gear box, the outer pulsator being larger than the inner pulsator. As the inner pulsator and outer pulsator are rotated at different rates of rotation, complex 3D water stream may be created in the inner tub, resulting in enhanced washing ability.
    Type: Application
    Filed: October 18, 2013
    Publication date: April 24, 2014
    Applicant: LG Electronics Inc.
    Inventors: Kyubum LEE, Youngjong KIM, Sangjun LEE
  • Patent number: 8701450
    Abstract: A washing machine containing a tub and basket placed within the tub, a basket bottom, a driving shaft coupled to the basket, a motor coupled to the driving shaft, a propeller located within the bottom and impelled by an end of the driving shaft, the propeller containing a scrubber, a center and a support, the scrubbers have a transversal section made from at least three arch circumference sections; a lower face of the propeller has a fin, which along with the bottom, functions as a centrifugal pump creating a current or washing liquor flow which is led through the water tower. In a preferred embodiment, the driving shaft has a solar gear coupled thereto which rotates a satellite gear and over the upper face of the support and between the scrubbers a mini-propeller is provided, the satellite gear is coupled to an axis that rotates the mini-propeller.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: April 22, 2014
    Assignee: Mabe, S.A. DE C.V.
    Inventors: Santiago Alonso Plata Amarillas, Raul Santillan Galvan, Jorge Vega Trejo
  • Publication number: 20140020433
    Abstract: A washing machine capable of reducing the manufacturing cost of a circulation device installed to circulate water and capable of preventing water from being scattered when spraying circulating water into a spin basket is described. A tub cover of the washing machine includes a guide part provided with a connector, which is integrated with the tub cover, connected with a circulation passage, and inclined upward toward the tub cover, and an inclined surface inclined toward the spin basket at an inner edge of the tub cover, thereby reducing the manufacturing of the circulation device and preventing water from being scattered. The washing machine includes a circulation drain port formed at a side surface of a tub and a filtering duct connected with the circulation drain port, thereby reducing the manufacturing cost of the circulation device.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Pil SEO, Sang Yeon PYO, Jae Ryong PARK, Byoung Yull YANG, Hwang Mook CHO, Tai Eun KIM, So Jung YU, Bo Kyung LEE
  • Publication number: 20130333424
    Abstract: A small size pulsator-type automatic washing machine comprises a housing, a control panel seat mounted on the top of the housing, a pedestal mounted at the bottom of the housing, an outer tub and an inner tub mounted inside the housing. A direct driving motor and a bearing block are mounted at the bottom of the outer tub. The motor is mounted on the outer tub by fixing elements, and a motor shaft is coupled with a pulsator shaft inside the bearing block. A fastener strap fixes the motor and the bearing block together onto the outer tub of the washing machine, thus reducing occupied space of the washing machine while improving a variety of installation mechanism of conventional washing machine. An insulation unit is disposed in the joint between the motor shaft and the tub shaft, such that the two parts cannot be in direct contact.
    Type: Application
    Filed: August 3, 2011
    Publication date: December 19, 2013
    Inventors: Peishi Lv, Sheng Xu, Jie Liu, Xiaojie Pi, Yuling Chen
  • Publication number: 20130312462
    Abstract: A washing machine including a tub, a spin basket rotatably mounted in the tub, a pulsator rotatably mounted in the spin basket and having a pulsator hub part extending downward from a center portion of the pulsator, a driving device to generate rotational force, a wash shaft to transmit the rotational force generated from the driving device to the pulsator, and a buoyancy clutch upwardly and downwardly movably mounted to the pulsator hub part and configured to move up and down by buoyancy. The buoyancy clutch is configured to rotate together with the pulsator. When the buoyancy clutch moves down, the spin basket is engaged with the buoyancy clutch and receives the rotational force.
    Type: Application
    Filed: July 29, 2013
    Publication date: November 28, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Wook KIM, Myung Hee RYU, Sang Up LEE, Hong Seok KO, Sang Yeon PYO, Sung Jin KIM, Young Hyun KIM, Seung Youp LEE
  • Patent number: 8561439
    Abstract: A fabric treating machine according to the present invention comprises a connector which is disposed at an outer tub and is connected to a driving part which is disposed at either the center or the off-center position of the connector optionally. Therefore, not only the direct driving motor but the indirect driving motor can be disposed without change of the outer tub and the connector. Because the common use of the outer tub is possible regardless of the connecting method of the driving part, there are the advantages that the cost is reduced and productivity and assembly are improved.
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: October 22, 2013
    Assignee: LG Electronics Inc.
    Inventors: Hyuk Soo Lee, Tae Hee Lee, Young Jong Kim
  • Patent number: 8448481
    Abstract: In the washing machine, which has a tub installed in a main body, a spin basket rotatably installed in the tub, and a pulsator unit installed in the spin basket to generate a washing water current, the pulsator unit includes a first pulsator connected to a washing shaft of a driving device, a rod member installed on the upper surface of the first pulsator such that the rod member is tilted toward a central axis of the first pulsator at a designated angle, and a second pulsator coupled with the rod member such that the second pulsator is relatively rotated against the rod member. The pulsator unit generates a combined water current in the spin basket, and thus prevents the twisting and entanglement of laundry or reduces the amount of consumed washing water.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: May 28, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Ryong Park, Sang Yeon Pyo, Byoung Yull Yang, Hwang Mook Cho, Dong Pil Seo, So Jung Yu, Bo Kyung Lee
  • Publication number: 20130055769
    Abstract: A washing machine capable of protecting a water seal to prevent foreign substance from being stuck or accumulated inside the water seal, so that the water seal is prevented from being worn out. The washing machine includes a tub configured to accommodate wash water, a rotary tub rotatably installed inside the tub, a pulsator rotatably disposed inside the rotary tub, a driving shaft connected to the rotary tub and the pulsator, a support member installed on the driving shaft, a water seal installed between the driving shaft and the tub, and a protection member provided between the support member and the water seal to prevent foreign substance from being introduced into the water seal.
    Type: Application
    Filed: September 4, 2012
    Publication date: March 7, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hong Gil Ha, Seok Jin Lee, Dong Woo Lee, Ho Young Kim, Goan Su Jung
  • Publication number: 20130031938
    Abstract: A washing machine capable of increasing the washing capacity without enlarging the external appearance and also discharging a washing water during a washing operation or a spin-dry operation while completely isolated from electronic parts and thus reducing the risk of a power failure and fire, the washing machine including a body, a rotating tub rotatably disposed inside the body, a pulsator rotatably disposed inside the rotating tub, a driving part provided on a lower portion of the rotating tub to selectively rotate the rotating tub and the pulsator, a base plate to which the driving part is fixed, wherein a waterproofing member is provided between the base plate and a bottom of the body to seal the driving part and to prevent water from reaching the driving part.
    Type: Application
    Filed: August 1, 2012
    Publication date: February 7, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hwang Mook CHO, Sung Hoon KIM, Jae Ryong PARK, Eun Suk BANG, Dong Pil SEO, Ji Yu LEE, Sang Yeon PYO
  • Publication number: 20130014547
    Abstract: A washing machine includes a cabinet, a rotary tub disposed to rotate around a driving shaft, which is vertically provided inside the inner part of the cabinet, and comprising a bottom and a sidewall, the sidewall slantingly extending from the bottom to have a diameter increasing toward an upper side of the rotary tub from the bottom, a driving apparatus disposed at a lower side of the rotary tub to rotate the rotary tub, a bracket plate connected to the rotary tub by the driving shaft at the lower side of the rotary tub and having the driving apparatus provided at a lower side thereof, a base disposed at a lower side of the bracket plate, and a suspension member having a lower side supported by the base and an upper side connected to the bracket plate at a lateral side of a center of gravity of the rotary tub.
    Type: Application
    Filed: July 9, 2012
    Publication date: January 17, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Mook Kim, Kab Jin Jun, Je Hong Min, Sang Hyeok Lee, Ji Hoon Choi, Seung Oh Kim
  • Patent number: 8336341
    Abstract: A tub (100) for a washing machine, and a washing machine comprising the same are disclosed. The tub (100) is formed through injection molding with a bearing housing (200) inserted therein, and a washing machine comprises the same. Here, the bearing housing (200) comprises a bearing support (201) to receive bearings, and a flange (210) extended radially from the bearing support (201) and having radial ribs (230).
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: December 25, 2012
    Assignee: LG Electronics Inc.
    Inventors: Hyeok Deok Kim, Byung Hwan Ahn, Hung Myong Cho
  • Publication number: 20120304703
    Abstract: A washing machine having an improved structure which increases washing capacity without increasing the size of the washing machine. The washing machine includes a cabinet including an outer part and a cylindrical inner part connected to the outer part, a spin basket rotatably disposed in the inner part and including a bottom and a side wall extending from the bottom, a pulsator rotatably disposed in the spin basket, a motor provided under the spin basket, a clutch to selectively transmit power of the motor to the spin basket or the pulsator, a base plate to fix the clutch and the motor, and suspension members connecting the base plate to the upper portion of the cabinet. Wash water is stored within the spin basket and is not stored outside the spin basket during a washing cycle.
    Type: Application
    Filed: May 30, 2012
    Publication date: December 6, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Mook KIM, Doo Pil Kim, Je Hong Min, Kalo Jin Jun, Yong Jong Park, Jae Ryong Park, Dong Pil Seo, Sang Hyeok Lee, In Cheol Jang, Sang Yeon Pyo, Jung Hee Lee, Ji Hoon Choi, Seung Oh Kim
  • Publication number: 20120222454
    Abstract: A washing machine which is improved so as to firmly support a clutch. The washing machine includes a main body, a tub disposed within the main body, a drum rotatably disposed within the tub, a motor provided under the tub to provide driving force to rotate the drum, a clutch connected to the motor to transmit driving force of the motor to the drum, and a mounting plate to fix the clutch and the motor to connect the clutch and the motor to the lower surface of the tub. A first flange unit connected to the clutch is provided on the lower surface of the tub, and a second flange unit connected to the outer circumferential surface of the first flange unit is provided on the mounting plate.
    Type: Application
    Filed: March 2, 2012
    Publication date: September 6, 2012
    Applicant: Samsung Electronics Co., LTD.
    Inventor: Sang Ho Park
  • Publication number: 20120180532
    Abstract: A Washing machine washes laundry in a wobbling fashion to improve washing force and to prevent damage to the laundry. The washing machine includes a pulsator rotatably mounted at the lower part of a rotary tub to generate a water current and to move laundry, a plurality of lifters protruding from the top of the pulsator to raise the laundry during rotation of the pulsator, and a movement changing member formed at the upper end of each of the lifters to drop the laundry raised by a corresponding one of the lifters. The movement changing member includes a roller rotated by friction with the laundry.
    Type: Application
    Filed: January 12, 2012
    Publication date: July 19, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae Ryong PARK, Sang Yeon Pyo, Hyun Sook Kim, Sung Hoon Kim, Chang Ho Cho, Seung Oh Kim, Hyun Dong Jung, Dong Pil Seo, So Jung Yu, Ji Yu Lee
  • Publication number: 20120124755
    Abstract: A laundry appliance or washer for washing an associated laundry item includes a housing and an integrated agitator/basket assembly received in the housing. A drive assembly is operatively associated with the agitator and the basket for activating movement of the agitator and the basket in unison.
    Type: Application
    Filed: November 19, 2010
    Publication date: May 24, 2012
    Inventors: Derek Lee Watkins, David Scott Dunn
  • Patent number: 8151428
    Abstract: A method for assembling a washing machine is provided. The method includes providing a mode shifter including a solenoid, coupling a basket and an agitator to the mode shifter, and coupling a motor to the mode shifter. The solenoid selectively allows the motor to rotate at least one of the basket and the agitator. The method also includes affixing a motor controller to the motor, and electrically coupling the motor controller to each of the mode shifter and the motor. The motor controller is in operational control communication with the mode shifter and the motor.
    Type: Grant
    Filed: August 1, 2006
    Date of Patent: April 10, 2012
    Assignee: General Electric Company
    Inventors: Donald R. Dickerson, Jr., Michael Finch, William Bicknell, Robert Hollenbeck
  • Publication number: 20120006065
    Abstract: A washing machine is disclosed. The washing machine includes a washing tub, a motor to rotate the washing tub, and a driving unit that drives the motor using a pulse width modulation (PWM) scheme, mixes a three-phase PWM scheme and a two-phase PWM scheme in a common operation mode, and drives the motor using the mixed PWM scheme. Therefore, the washing machine can reduce increase of temperature of an inverter controlling the motor during the operation time of the washing machine.
    Type: Application
    Filed: July 5, 2011
    Publication date: January 12, 2012
    Inventors: Hansu JUNG, Jain Koo, Suncheol Bae
  • Publication number: 20110296876
    Abstract: A pulsator device in which a second pulsator performs different movements according to rotating directions of a first pulsator so as to reduce water consumption and improve washing performance.
    Type: Application
    Filed: April 13, 2011
    Publication date: December 8, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Pil Seo, Sang Yeon Pyo, Jae Ryong Park, Sung Hoon Kim, Chang Ho Cho, Hyun Dong Jung, So Jung Yu, Ji Yu Lee
  • Patent number: 8033143
    Abstract: A washing machine includes a dehydrating tub which is rotatably mounted, a pulsator which is rotatably mounted in the dehydrating tub, a motor which rotates the dehydrating tub and the pulsator, a washing shaft which transmits a rotational force of the motor to the pulsator, a dehydrating shaft which intermittently transmits the rotational force of the washing shaft to the dehydrating shaft, and a power transmission device which is moved according to rotation of the washing shaft.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: October 11, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae Kil Kim, Jae Han Lim, Seong Kwun Ahn
  • Patent number: 7841218
    Abstract: A washing machine clutch to rotate or oscillate an agitator or propeller and selectively rotate a basket, comprising a support member that contains a cover and a second cover, an actuator that contains a piston, a bracket that contains a lever joined to arms, terminals and a protuberance, wherein the terminals and the protuberance are in said arms, a first spring connected between said support member and said bracket, a hollow shaft and a shaft configured to rotate, a mobile clutch containing an upper wall, a groove an internal part and a lower wall, wherein said terminals rest in the groove and in said upper wall, wherein the lower wall contains a plurality of alternating teeth and grooves and wherein the mobile clutch is coupled to the hollow shaft by its internal part, a pulley-clutch containing a plurality of alternating teeth and grooves, and an internal part, wherein the pulley-clutch is coupled to the shaft by means of said pulley-clutch internal part, wherein the mobile clutch couples with the pulley-
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: November 30, 2010
    Assignee: MABE Mexico, S. DE R.L. DE C.V.
    Inventors: Jose Higinio Sanchez Dominguez, Giancarlo Hazael Paez Gonzalez, Raul Santillan Galvan, Jorge Vega Trejo, Javier Pena Aguilar
  • Patent number: 7793525
    Abstract: A clothes mover in a washing machine comprises a body mounted for reciprocal rotational movement about a generally vertical axis and at least one vane, which comprises a base mounted to the body and a tail extending from the base and having an upper edge that transitions into a tip. The tail can be free of the body for side-to-side flexing and can be configured such that a portion of the tail extending between the upper edge and the tip can flex from a generally vertical position toward the body. The body can be made of a first material, and the vane can be made of a second material different from the first material.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: September 14, 2010
    Assignee: Whirlpool Corporation
    Inventors: Viktor N. Kopyrin, Robert J. Pinkowski, James J. Visin, Raveendran Vaidhyanathan, Mary E. Zeitler, Dale E. Mueller
  • Patent number: 7757324
    Abstract: An automatic washing machine includes a wash basin having a plurality of apertures and an annular liquid reservoir formed at an upper portion of the basin. A plurality of flow channels are arranged around the exterior surface of the wash basin. The plurality of flow channels includes upward flow channels, configured for directing wash liquid extracted from the wash basin into the reservoir under centrifugal force generated in a spin cycle. The plurality of flow channels also includes downward flow channels configured for directing wash liquid from the reservoir to a central drain following the spin cycle. The arrangement avoids the need for an outer wash tub, and at the same time provides stabilization to the wash basin during high speed spins. In another aspect, the wash basin may include wash action ramps provided on a bottom surface of the wash basin and at an upper sidewall of the wash basin.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: July 20, 2010
    Assignee: Electrolux Home Products, Inc.
    Inventors: Steven Leidig, Ellingson David Irwin
  • Patent number: 7757522
    Abstract: An agitator assembly for an automatic washing machine comprises an agitator and an auger mounted to the agitator. The auger comprises a tubular body defining a peripheral surface and having a central longitudinal axis. A vane spirals around the tubular body and extends from the peripheral surface from a root having a thickness T to a tip. The vane has a width W measured from the peripheral surface along a line perpendicular to the central longitudinal axis to the tip. The vane is formed by a plurality of ledges, with adjacent ledges joined by steps. With this configuration, the vane can have a relatively small root thickness T and a relatively large width W.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: July 20, 2010
    Assignee: Whirlpool Corporation
    Inventors: Robert J. Pinkowski, Viktor J. Kopyrin, James J. Visin, Raveendran Vaidhyanathan, Edward S. Hynek
  • Patent number: RE42328
    Abstract: Disclosed herein is a washing machine with a tilted washing tub. The washing machine includes a casing on the rear portion of which an opening is formed. The opening is covered with a rear cover provided with an outward protrusion. A washing tub consists of outer and inner tubs. The outer tub is positioned in the casing to be tilted forward at a predetermined angle for containing washing water. The inner tub is positioned in the outer tub for washing and spin-drying laundry. Drive means is positioned under the outer tub to rotate the outer inner tub.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: May 10, 2011
    Assignee: LG Electronics Inc.
    Inventors: Ji Chang Son, Hye Yong Park, Bong Sang Lee, Chang Won Ryu