Drains And Overflows Patents (Class 68/208)
  • Patent number: 11492748
    Abstract: An operable panel for a laundry appliance includes a base member that includes a plurality of structural shear cavities that are separated by structural ribs. An upper member extends over the base member and the shear cavities. The upper member is configured to enclose at least a portion of the shear cavities. A plurality of foam members includes a central portion and opposing lateral portions. The plurality of foam members are positioned distal from a front portion and distal from a rear portion of the base member.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: November 8, 2022
    Assignee: Whirlpool Corporation
    Inventors: Miroslav Kasicky, Juraj Nestorik
  • Patent number: 11377769
    Abstract: A laundry treatment apparatus includes a cabinet and a drawer retractably provided in the cabinet. An accommodation unit is provided at the drawer and defines a space configured to receive washing water. The laundry treatment apparatus includes a guider. The guider includes a first body rotatably coupled to the cabinet, and a second body rotatably coupled to the first body and the drawer and configured to connect the first body to the drawer. A supply unit is connected to a water supply source. A water supply channel is provided along the guider and is configured to supply water between the supply unit and the accommodation unit.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: July 5, 2022
    Assignee: LG Electronics Inc.
    Inventors: Jihong Lee, Kwangchul Heo
  • Patent number: 11280044
    Abstract: A washing machine includes a tub and a drum. The tub includes a first case and a second case welded to each other; a first coupling surface extending along a circumference of the first case and facing the second case; a second coupling surface extending along a circumference of the second case and coupled to the first coupling surface; and a coupling protrusion that protrudes from the first coupling surface toward the second coupling surface and that includes a protruding end portion welded to the second coupling surface. The coupling protrusion includes: a main coupling protrusion that extends along the first coupling surface; and an auxiliary coupling protrusion that is disposed radially outward of the main coupling protrusion and spaced apart from the main coupling protrusion and that defines a discharge opening configured to discharge washing water entered between the main coupling protrusion and the auxiliary coupling protrusion.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: March 22, 2022
    Assignee: LG Electronics Inc.
    Inventors: Hyunseung Lee, Sanghee Yoo, Cheolmin Jang
  • Patent number: 9896792
    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: Grant
    Filed: January 16, 2014
    Date of Patent: February 20, 2018
    Assignee: Whirlpool Corporation
    Inventors: Donald E. Erickson, Brenner M. Sharp
  • Patent number: 9657428
    Abstract: A washing machine includes: a cabinet; a tub; a pump case provided so as to drain washing water; a pump filter that filters foreign substances in washing water and is able to be detached from the pump case; and a pump filter head that is combined with one side of the pump filter and causes the pump filter to rotate, wherein the pump filter head includes: a first head having a first state in which the first head is engaged with one side of the pump case and is combined with the pump case and a second state in which the first head is released from the pump case; and a second head that is positioned at front of the first head and is rotatable separately from the first head in the first state. A user can recognize whether the pump filter is fully fastened to the pump case.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wun Seok Jeong, Min Ho Jung, Sam Young Jang, Seung Mok Lee, Kwang Duk Baek
  • Patent number: 9528217
    Abstract: In one aspect of the invention, a drainage and filtering system for a washing machine comprises an outer barrel, and a filtering apparatus, where a groove is defined at the bottom of the outer barrel, the bottom of the groove is provided with a drainage port, the filtering apparatus is mounted in the groove and covers the upper part of the drainage port, the filtering apparatus is provided with at least one filtering passage leading to the drainage port, and a foreign material stop structure is arranged in the filtering passage.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: December 27, 2016
    Assignees: HAIER GROUP CORPORATION, QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Yun Tian, Feng Li, Wenting Xu, Gangjin Zhang, Chunxia Zhou
  • Patent number: 9016677
    Abstract: A loading container (10) for a washing machine (60) comprises a containing body (12) to support and position objects to be washed inside the washing machine (60) or washing devices (20, 22) containing the objects to be washed. The container (10) also comprises a base body (14), located below the containing body (12), and a rotation unit (45) to connect rotatably the base body (14) and the containing body (12) so as to allow a selective reciprocal angular positioning of the containing body (12) and the base body (14).
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: April 28, 2015
    Assignee: Steelco SpA
    Inventor: Ottorino Casonato
  • Patent number: 8925357
    Abstract: The present invention relates to clothes treating apparatus. The clothes treating apparatus includes a housing having a holding space for holding clothes, an air supply unit for generating dry air and supplying the dry air to the holding space, a moisture supply unit for supplying moisture to the holding space, and a water supply unit for supplying water to the moisture supply unit, and a drain unit for collecting condensed water from the air supply unit, wherein the water supply unit and the drain unit are provided separate from each other.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: January 6, 2015
    Assignee: LG Electronics Inc.
    Inventors: Jung Wook Moon, Dae Yun Park, Sog Kie Hong, Jong Seok Kim, Seung Gyu Ryu, Hye Yong Park, Chang Gyu Choi, Dong Won Kim
  • Patent number: 8910654
    Abstract: A system for preventing flooding caused by blockages in the drain lines of appliances such as washing machines, dishwashers and the like included a sealed connection between a washing machine drain line and the sewer line drain, further including a washing machine drain line inlet attachment to a housing, the inlet line connecting to the sewer drain line and to a sealed vent pipe connected to the sewer line drain above the inlet attachment, and including a C-shaped loop in fluid communication with the sewer drain line and containing a float actuated control valve adapted to cut off power to the washing machine upon actuation; a kit containing components of the system and methods of installing the system and kit.
    Type: Grant
    Filed: February 25, 2012
    Date of Patent: December 16, 2014
    Inventor: R. Kevin Dawes
  • Patent number: 8881556
    Abstract: A washing and dehydrating machine includes a circulating passage communicating between interior and exterior of a water tub, warm air generating unit rendering air in the passage warm, an overflow outlet located in the water tub surface, so that water flows through the overflow outlet when a water level in the water tub is increased to or above a level, a drain conduit introduced outside the machine via a drain valve, through which water in the water tub is discharged, an overflow conduit having a lower end connected to the drain valve and communicating with the overflow outlet, and air stopping unit located in the overflow conduit and including a trap cutting off air flow and a water supply unit supplying water to the trap, allowing water to pass through and stopping air flow. The overflow conduit is introduced outside the machine via the air stopping unit.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: November 11, 2014
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Ha Products Co., Ltd., Toshiba Consumer Marketing Corporation
    Inventors: Shinichiro Kawabata, Satoru Nishiwaki, Hisao Tatsumi
  • Patent number: 8833110
    Abstract: A washing machine includes a washing machine housing having electrical conducting properties and having an earth connection portion, a leaked water tub having electrical insulating properties and installed in a bottom part of the washing machine housing for accumulating leaked water, an electrode for detecting presence or absence of the leaked water in the leaked water tub, a leaked water detection circuit connected to the electrode, the leaked water detection circuit having an electrical insulating function, a retaining member having electrical insulating properties and retaining the electrode, and an attachment member having electrical conducting properties and attaching the electrode to the washing machine housing via the retaining member. The attachment member is electrically connected to the washing machine housing. In the leaked water tub, a lowest end of the attachment member is positioned on the lower side of a lowest end of the electrode. Thereby, a safe and inexpensive washing machine is realized.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: September 16, 2014
    Assignee: Panasonic Corporation
    Inventors: Taketo Takahashi, Shinichiro Kobayashi
  • Patent number: 8746019
    Abstract: Disclosed herein is a washing machine including an overflow defined through a portion of one side of an upper part of a tub and formed in the shape of a cutout and guide ribs protruding from the outer circumference of the tub to guide wash water drained through the overflow. The overflow is formed by cutting one side of the upper part of the tub, so that the washing machine has a simple overflow structure.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: June 10, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Hwan Chung, Myung Sun Kang
  • Publication number: 20140090427
    Abstract: A washing machine includes a rear panel mounted on a wall; a tub supported by the rear panel and configured to contain wash water; a front panel having an opening therein and on or in front of the tub; a rotatable drum in the tub; a driving unit providing power to the drum; a cover on the rear panel so as to cover the tub and the front panel; a water supply device supplying wash water to the tub; and a drain device having a drain filter in a wash water discharge path, the drain filter being configured to filter foreign matter in the wash water.
    Type: Application
    Filed: September 9, 2013
    Publication date: April 3, 2014
    Applicant: Dongbu Daewoo Electronics Corporation
    Inventor: Ui Kun HWANG
  • Publication number: 20130340488
    Abstract: A gravity drain laundry machine having a flapper style drain valve for controlling the discharge of wash water from the machine following a washing cycle. An electric motor is operable for moving the flapper plate from between open and closed positions, and a linkage interconnects an output shaft of the motor and the flapper plate which retains the flapper plate in a closed position with lesser torque requirements of the motor. The motor also is mountable on either side of the drain valve for the particular laundry machine configuration.
    Type: Application
    Filed: June 26, 2012
    Publication date: December 26, 2013
    Applicant: Alliance Laundry Systems LLC.
    Inventors: Brian Wohlgemuth, Daryl T. Johnson
  • Publication number: 20130220449
    Abstract: A system for preventing flooding caused by blockages in the drain lines of appliances such as washing machines, dishwashers and the like included a sealed connection between a washing machine drain line and the sewer line drain, further including a washing machine drain line inlet attachment to a housing, the inlet line connecting to the sewer drain line and to a sealed vent pipe connected to the sewer line drain above the inlet attachment, and including a C-shaped loop in fluid communication with the sewer drain line and containing a float actuated control valve adapted to cut off power to the washing machine upon actuation; a kit containing components of the system and methods of installing the system and kit.
    Type: Application
    Filed: February 25, 2012
    Publication date: August 29, 2013
    Inventor: R. Kevin Dawes
  • Patent number: 8511117
    Abstract: A plastic washing-machine tub with a front wall, a rear wall and a cylindrical wall enclosing an inner tub compartment, which comprises: two tub shells made from injection-molded plastic that can be connected together by means of an assembly plane in a tub closure direction, the first tub shell comprising the front wall and the second tub shell comprising the rear wall; an integral bulge emerging from the cylindrical wall and defining a cavity connected to the inner tub compartment, the bulge having at least one inlet and/or outlet opening. The assembly plane divides the bulge into two parts, a first bulge part being arranged in the first tub shell and a second bulge part in the second tub shell.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: August 20, 2013
    Assignee: BSH Bosch und Siemens Hausgeraete GmbH
    Inventors: Noelia Borque Marquina, Miguel Angel Gomez Caudevilla, Ismael Garcia Bobed, Alberto Mañas Molina, Eduardo Recio Ferrer
  • Patent number: 8510887
    Abstract: A drum-type washing machine that includes a program controller, a drum rotatably mounted in a detergent solution tub, a detergent solution discharge system disposed at a base of the detergent solution tub having a detergent solution drain pump, a sensor for determining a foam level and/or a negative time gradient of a liquid/air mixture contained in the detergent solution tub, a drive motor for the drum that adjusts a rotation of the drum to eliminate foam in the drum-type washing machine, and a water supply system that adds a small volume of water continuously or discontinuously if foam is detected by the sensor during the run-up to spin speed of the drum with the detergent solution drain pump switched on continuously or discontinuously.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: August 20, 2013
    Assignee: BSH Bosch und Siemens Hausgeraete GmbH
    Inventors: Torsten Hasse, Ingo Schulze
  • Publication number: 20130174615
    Abstract: A drum washing machine provided with a wash water sensor mounted at a drain hose to easily measure the amount of the detergent contained in the wash water therein, the drum washing machine a cabinet, a tub disposed at an inside the cabinet to accommodate water, a drain pump disposed at a lower portion of the tub to pump the wash water at an inside the tub, a first drain hose configured to connect the tub to the drain pump, such that the wash water at an inside the tub is introduced to the drain pump, a second drain hose configured to connect the drain pump to an outside the cabinet, and a wash water sensor configured to sense the amount of the detergent contained in the wash water drained from the tub, and mounted at the first drain hose.
    Type: Application
    Filed: January 10, 2013
    Publication date: July 11, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: SAMSUNG ELECTRONICS CO., LTD.
  • Patent number: 8418511
    Abstract: A laundry machine includes a first laundry treating device, and a second laundry treating device arranged adjacent to the first laundry treating device. The second laundry treating device is operable independently of the first laundry treating device. A first draining pipe guides water discharged from the first laundry treating device, and a second draining pipe guides water discharged from the second laundry treating device. A joining pipe is connected to the first and second draining pipes at a joining point.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: April 16, 2013
    Assignee: LG Electronics Inc.
    Inventors: Sung Ryong Kim, Ki Chul Woo, Dong Soo Lee, Dong Won Kim, Sung Min Kim, Na Eun Kim
  • Patent number: 8393184
    Abstract: A drum-type washing machine is disclosed. The drum-type washing machine includes a case formed with an opening part for receiving therethrough laundry to be washed, a door opening and closing the opening part, a tub mounted in the case to receive wash water, a drum rotatably mounted in the tub, and a path compensation unit disposed at an inner lower end of the tub to facilitate flow of fluid while the drum is rotating. According to this drum-type washing machine, the dehydration efficiency can be improved.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: March 12, 2013
    Assignee: LG Electronics Inc.
    Inventors: Kyu Hwan Lee, Hee Tae Lim, Jae Hyun Choi, Ig Geun Kwon
  • Patent number: 8356497
    Abstract: A water-conducting domestic appliance having a connector, a neck, and a connecting element that has at least one section formed by elastic material and an insertion end, wherein the connecting element connects the connector to the neck. A supporting ring is arranged at the insertion end, and the connecting element has an insertion region with an insertion rounding on the insertion end, wherein the insertion rounding runs tangentially into a sealing region.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: January 22, 2013
    Assignee: BSH Bosch und Siemens Hausgeraete GmbH
    Inventors: Johannes Büsing, Werner Enderle, Peter Geissler, Cengiz Kücük, Pedro Sancho
  • Patent number: 8356610
    Abstract: A dishwasher, in particular a domestic dishwasher having a detergent-solution pump for pumping dirty washing liquid out of a washing compartment; a discharge line connected to the detergent-solution pump on a pressure side thereof; a venting shaft located above the topmost liquid level of the washing compartment in fluid communication with the discharge line; and a first valve operationally disposed within the venting shaft, with the first valve being closed when the detergent-solution pump is operating and open when the detergent-solution pump is not operating, the dishwasher comprising a bypass line for operationally connecting the detergent-solution pump and discharge line, with the bypass line operationally venting the detergent-solution pump.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: January 22, 2013
    Assignee: BSH Bosch und Siemens Hausgeraete GmbH
    Inventors: Stephan Harlacher, Bruno Reiter, Erika Ulrike Ertle, Marion Ertle, Lisa Marie Ertle, Marco Andreas Ertle
  • Patent number: 8336343
    Abstract: An automatic washing machine includes a remaining water discharging passage to drain remaining water from a pump case by connecting a drain line with an inner part of the pump case. The washing machine includes a water tub; a pump case; a circulation pump coupled with the pump case that circulates washing water contained in the water tub; a drain line to drain the washing water contained in the water tub; and a remaining water discharge passage connecting an inner part of the pump case with the drain line to discharge water remaining in the pump case.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: December 25, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Hwan Chung, Myung Sun Kang
  • Patent number: 8332980
    Abstract: An appliance having a drain pump with a motor adapted to be supplied with an alternating supply voltage. A controller is adapted to monitor a current value supplied to the motor and to control the frequency of the supply voltage among a plurality of predetermined frequencies when the drain pump is operated in a full drainage mode. A storage medium associated with the controller stores for each predetermined frequency a maximum current value, a minimum current value and an optimal current value. The controller may stores computer implemented instructions for (a) determining if the monitored current value is between the maximum current value and the minimum current value, (b) comparing the monitored current value with the optimal current value, and (c) adjusting the frequency of the alternating supply voltage among the plurality of predetermined frequencies to cause the monitored current to more closely match the optimal current value.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: December 18, 2012
    Assignee: Coprecitec, S.L.
    Inventors: Rodrigo Orue Orue, Javier Valentin Errasti Uriarte, Fernando Sales Villalabeitia
  • 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: 20120255329
    Abstract: A drain hose for a household appliance in which the drain hose includes a first open end, a second open end, and a continuous portion extending from the first open end to the second open end, wherein the continuous portion includes a first bending portion having a plurality of repeating profiles, wherein a cross-section of each profile includes a ridge and a trough, and wherein one of the ridge has three predetermined bending points, and the trough has two predetermined bending points.
    Type: Application
    Filed: April 6, 2011
    Publication date: October 11, 2012
    Applicant: BSH HOME APPLIANCES CORPORATION
    Inventor: Napat Wanweerakul
  • Publication number: 20120255330
    Abstract: A drain hose clip for securing a drain hose to a household appliance, and a household appliance having the drain hose clip and drain hose. The drain hose clip includes a body configured to be coupled to the drain hose and to secure the drain hose to the household appliance, and an orientation control feature on the body that engages a corresponding orientation control feature on the drain hose to maintain a fixed position of the drain hose with respect to the body of the drain hose clip.
    Type: Application
    Filed: April 6, 2011
    Publication date: October 11, 2012
    Applicant: BSH HOME APPLIANCES CORPORATION
    Inventor: Napat Wanweerakul
  • Patent number: 8176756
    Abstract: A drain pump including a case including a mounting bracket; a first connection member mounted to the mounting bracket to be spaced from the cabinet; a second connection member inserted in the first connection member; and a fastening member passed through the cabinet and inserted in the second connection member so that the case is mounted to the cabinet. Since the first connection member is spaced from the cabinet, the second connection member can be prevented from being damaged by vibration of the drain pump.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: May 15, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woong Sub Yim, Jae Hyun Jang, Chan Woo Park, Sang Ho Seo, Hong Seok Ko, Seok In Hong, Jae Won Lee, Do Yeon Kim, Yong Kwon Kim, Dong Woo Shin
  • Patent number: 8156769
    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: January 25, 2011
    Date of Patent: April 17, 2012
    Assignee: Electrolux Home Products, Inc.
    Inventors: Steven Leidig, David Irwin Ellingson
  • Patent number: 8109121
    Abstract: Disclosed is a drum type washing machine comprising a cabinet having an opening, a door installed at the cabinet, a tub installed in the cabinet, a drum rotatably installed in the tub, a gasket sealing a gap between the door and the tub by being installed between the opening of the cabinet and the tub and a moisture removing means provided at the gasket and a means sealing a gap between the door and the tub installed between the opening of the cabinet and the tub to prevent pollutants from being generated at a middle of a lower end of an inner side surface or to prevent washing water from remaining thereat, where the residual washing water preventing means is implemented as a drain portion or a heating member provided at the gasket that is capable of preventing odor or foreign substances caused by moisture remaining at the gasket.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: February 7, 2012
    Assignee: LG Electronics Inc.
    Inventors: Su-Hee Shin, Min-Su Kang
  • Patent number: 8028548
    Abstract: A laundry machine includes a height increasing member between a washing tub and an installation surface of a cabinet. The height increasing member includes a housing with an opening to support the washing tub in the cabinet, a body with a storage space that moves in and out of the opening in the housing, and a door panel to hide a servicing section when the body is moved into the opening and to expose the servicing section when the movable body is moved out from the opening. The servicing section may include or otherwise provide access to a filter.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: October 4, 2011
    Assignee: LG Electronics Inc.
    Inventors: Ki Chul Woo, Na Eun Kim, Dong Won Kim
  • Patent number: 8020581
    Abstract: A secondary drainage funnel for use in combination with a laundry box having a bottom wall with a drain opening formed therein includes a generally hollow body having an upper end and a lower end. The upper end includes an inlet opening for receiving a secondary drainage discharge tube. The lower end has a discharge opening formed therein and is shaped to be supported on the lower wall of the laundry box proximate the drain opening with the discharge opening in fluid communication with the drain opening while leaving sufficient access to the drain opening to allow a laundry drain hose to be inserted therein.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: September 20, 2011
    Assignee: Sioux Chief Mfg. Co., Inc.
    Inventors: Frank D. Julian, Truman J. Stegmaier
  • Publication number: 20110100071
    Abstract: A filter unit (1, 1a) is provided for, and/or as part of, a household appliance, in particular a washing machine. The filter unit includes a filter receiving body (2), a filter opening (30) in the filter receiving body (2), and a cap (3) for closing the filter opening. A drain passage (4) passes through the cap (3), and a closing means (5) is provided for closing the drain passage (4). A swivel-mounted lever element (6) is provided in operative connection with the closing means (5) for opening and closing the closing means.
    Type: Application
    Filed: October 28, 2010
    Publication date: May 5, 2011
    Applicant: ELECTROLUX HOME PRODUCTS CORPORATION N.V.
    Inventors: Gianfranco MAZZON, Fabio POLONI, Daniele FAVARO
  • Patent number: 7891218
    Abstract: Object of the present invention is to provide a drum type washing machine having a new drain system, which can eliminate inconvenience of user to squat down for mounting/dismounting a drain filter, and damage to electric components following overflow of washing water during water supply.
    Type: Grant
    Filed: May 30, 2005
    Date of Patent: February 22, 2011
    Assignee: LG Electronics Inc.
    Inventors: Tamotsu Shikamori, Dong Beom Lee, Jong Seog Kim
  • Patent number: 7845200
    Abstract: Drain pump for clothes washing machines, comprising: an impeller having vanes (7) that are arranged on respective planes passing through the axis of said rotating shaft, said drain manifold being provided with a planar inner wall (9), in which there is provided a hollow space or separating gap (20) between said vanes of the pump impeller and said planar inner wall of said drain manifold, in which there are arranged a plurality of planar members (22) provided integral with said impeller and arranged in respective planes extending parallel to the axis of said rotating shaft (6). Said planar members have a height that is smaller than the height of said vanes, but greater than the largest radius of the central hub of said rotating shaft.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: December 7, 2010
    Assignee: Electrolux Home Products Corporation N.V.
    Inventors: Silvano Cimetta, Flavio Noviello, Ugo Favret
  • Publication number: 20100275386
    Abstract: A washing machine which prevents wash water in a plurality of tubs from being simultaneously drained, and a method of controlling the washing machine. The washing machine includes a plurality of tubs, a plurality of drain devices to discharge wash water in the plurality of tubs to the outside, and a control device connected to the plurality of tubs to selectively drain the wash water in the plurality of tubs.
    Type: Application
    Filed: April 16, 2010
    Publication date: November 4, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hong Seok Ko, Sung Jin Kim, Sang Yeon Pyo, Jae Hong Kim, Sang Up Lee, Myung Sun Kang
  • Publication number: 20100180643
    Abstract: A device for pumping out lye 5 for a washing machine 4 having a washing drum 6, a lye pump 24 and a return flow container 30 arranged in the course of the pumping-out device for filling the drain area in the lye container 2 is to be presented in a cost-effective and easy-to assemble manner. To this end, a lower pumping-out connecting element 25, the return flow tank 30 and an upper pumping-out connecting element 26 is designed in one piece as an at least partially flexible tube 17, which is guided at least partially through a tube holding device 1.
    Type: Application
    Filed: June 15, 2007
    Publication date: July 22, 2010
    Applicant: BSH Bosch und Siemens Hausgerate GmbH
    Inventors: Edwin Bolduan, Necdet Patel, Wolfgang Proppe, Raymond Römer, Horst Wiemer
  • Publication number: 20100175436
    Abstract: Disclosed herein is a washing machine including an overflow defined through a portion of one side of an upper part of a tub and formed in the shape of a cutout and guide ribs protruding from the outer circumference of the tub to guide wash water drained through the overflow. The overflow is formed by cutting one side of the upper part of the tub, so that the washing machine has a simple overflow structure.
    Type: Application
    Filed: January 11, 2010
    Publication date: July 15, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung Hwan Chung, Myung Sun Kang
  • Publication number: 20100126235
    Abstract: The invention relates to a home appliance 1 for care of laundry items, with a collection facility 5 for leakage water arranged on the floor 4 of the home appliance 1 and a float 81 arranged in the collection facility 5, which, depending on the water level W in the collection facility 5, is embodied for electrical contacting of a switch 8, with the float 81 being arranged in a first subarea 5a of the collection facility 5 which is separated by a water-retaining wall 52 from a second partial area 5b of the collection facility 5.
    Type: Application
    Filed: October 4, 2007
    Publication date: May 27, 2010
    Applicant: BSH BOSCH UND SIEMENS HAUSGERÄTE GMBH
    Inventors: Edwin Bolduan, Alexander Schlitzer
  • Patent number: 7607327
    Abstract: A drum type washing machine includes a water tub; a cylindrical rotary drum rotatably installed in the water tub such that a central axis of rotation of the rotary drum is horizontal or slanted; a water outlet provided on a bottom portion of the water tub; a motor for rotating the rotary drum; a water supplying unit for supplying wash water into the water tub; a water draining unit for draining the wash water from the water tub; and a controller for controlling the motor, the water supplying unit and the water draining unit to thereby perform a washing, a rinsing and a water-extracting process. A guiding member with a guiding surface is installed on an inner bottom portion of the water tub to facilitate collection of the wash water and guide the collected wash water toward the water outlet during the water-extracting process.
    Type: Grant
    Filed: August 2, 2005
    Date of Patent: October 27, 2009
    Assignee: Panasonic Corporation
    Inventors: Katsuaki Sumida, Kenji Terai, Koichi Kubo
  • Publication number: 20090199601
    Abstract: A laundry treating device is disclosed, which includes a cabinet that defines an exterior appearance of the device, a tub installed in the cabinet, a lower water holding part recessed in a lower portion of the tub to form a predetermined space, and a water drain hose connected with a side surface of the lower water holding part. The laundry treating device is capable of providing a sufficient water drain height, with improved inner space utilization.
    Type: Application
    Filed: October 15, 2008
    Publication date: August 13, 2009
    Inventors: Na Eun KIM, Ki Chul Woo, Sung Ryong Kim, Dong Soo Lee, Sung Min Kim, Dong Won Kim
  • Publication number: 20090126418
    Abstract: Disclosed is a drum type washing machine comprising a cabinet having an opening through which laundry is introduced into, a door installed at the cabinet, by which the opening is opened/closed, a tub installed in the cabinet, a drum rotatably installed in the tub and a means sealing a gap between the door and the tub by being installed between the opening of the cabinet and the tub so as to prevent pollutants from being generated at a middle of a lower end of an inner side surface or to prevent washing water from remaining thereat. In the washing machine according to the present invention, the residual washing water preventing means is implemented as a drain portion or a heating member provided at the gasket. Since the present invention is configured to prevent washing water from remaining at the gasket, it is capable of preventing odor or foreign substances from being generated caused by moisture remaining at the gasket.
    Type: Application
    Filed: September 10, 2008
    Publication date: May 21, 2009
    Applicant: LG Electronics Inc.
    Inventors: Su-Hee Shin, Min-Su Kang
  • Patent number: 7490869
    Abstract: “Coupling for an outlet conduit (2) of a washing tank (1) of a washing machine, the coupling comprising a connection conduit (3) coupled to said outlet conduit (2), and a sealing gasket (4) between said outlet conduit (2) and said connection conduit (3). Said sealing gasket (4) comprises a base (5) and two lateral walls (6,7) that delimit a first housing (8) in which the end of the outlet conduit (2) is housed, and the connection conduit (3) comprises a substantially transversal surface (9) and two lateral surfaces (10,11) that delimit a second housing (12) in which the sealing gasket (4) is housed.
    Type: Grant
    Filed: July 19, 2006
    Date of Patent: February 17, 2009
    Assignee: Coprecitec, S.L.
    Inventors: Amaia Iturralde, Susana Lete, Roman Balanzategui
  • Publication number: 20090007602
    Abstract: A laundry machine capable of washing or drying laundry is disclosed. The disclosed laundry machine can achieve an enhancement in the convenience of the user, and can provide a beautiful appearance.
    Type: Application
    Filed: May 16, 2008
    Publication date: January 8, 2009
    Inventors: Ki Chul WOO, Na Eun KIM, Dong Won KIM
  • Publication number: 20080276658
    Abstract: A tub for a drum washing machine, wherein the tub is assembled by connecting parts, separately prepared, to avoid retaining water therein when the tub is drained, and a drum washing machine having the same. The drum washing machine includes a housing; a tub assembled by connecting a front tub part and a rear tub part, and located in the housing to contain washing water; and a drainage exit formed through a connection portion juxtaposed to the front tub part and the rear tub part, for example, a lowermost position of the tub due to a draft angle, thereby causing the washing water in the tub to be completely discharged to the outside when the tub is drained, and thus, preventing the generation of a disagreeable smell and the contamination of laundry.
    Type: Application
    Filed: April 2, 2008
    Publication date: November 13, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Sung Gweon, Geun Suk Gil
  • Publication number: 20080236207
    Abstract: Disclosed is a washing machine. The washing machine comprises a tub; a drain hose discharging washing water stored in the tub to outside, in which a siphon brake hole is formed at one side of the drain hose; a backflow hose guiding the washing water drained through the siphon brake hole during the draining process, as one end of the backflow hose is connected to the siphon brake hole and the other end is directly/indirectly connected to the tub; and a switching element preventing the washing water back-flowed into the backflow hose from being flowed into the tub.
    Type: Application
    Filed: October 4, 2007
    Publication date: October 2, 2008
    Inventor: Ig Geun KWON
  • Patent number: 7421862
    Abstract: Washing machine including a cabinet, a water storage tub mounted in the cabinet, the water storage tub having a water storage space therein and a drain hole for draining washing water in the water storage space, a supporter fitted between the cabinet and the water storage tub for supporting the water storage tub, and a sensor for sensing information on the water storage space, the senor fitted to an outside of the water storage tub for prevention of leakage of the washing water, thereby providing interchangeability between washing machines with or without the sensor fitted to the water storage tub.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: September 9, 2008
    Assignee: LG Electronics Inc.
    Inventor: Jae Chul Lyu
  • Patent number: 7416103
    Abstract: A compact soldering apparatus capable of increasing reliability of products by reducing occurrence of dross and using lead-free solder, wherein a primary jet nozzle 1, a secondary jet nozzle 2, and a pump (not shown) forming jet waves 24, 25 are installed in a solder tank 6 reservoiring molten solder S. Guide plates 4, 5 are installed between the jet nozzles 1, 2 above a solder face F of the molten solder S on a position where the molten solder is dropped. The guide plates 4, 5 formed into a V-shape are provided with solder guide portions crossing each other so as to drop the molten solder S at different positions on the solder face F of the solder tank 6. Molten solder dropped onto upper portions of the guide plates 4, 5 passes through the solder guide portions and is made to fall on a nozzle side different to a nozzle side where the solder is flowed.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: August 26, 2008
    Assignee: Minebea Co., Ltd.
    Inventor: Toru Kaneko
  • Publication number: 20080060389
    Abstract: A washing fluid tub of a washing machine for accommodating a rotatably driven laundry drum and provided with electrical components in its vicinity, the tub being provided at its outer surface with a plurality of rib structures for diverting any leaking water from the electrical components, at least some of the rib structures being provided with V-shaped drip-off sites for controlling the direction of flow of the water.
    Type: Application
    Filed: October 4, 2005
    Publication date: March 13, 2008
    Inventors: Barbara Blomberg, Egon Brockschmidt, Matthias Hollenhorst, Thorsten Kuka
  • Publication number: 20070283509
    Abstract: A method of operating a fabric treatment appliance comprises a steam generation step and, after the completion of the steam generation step, a draining step comprising draining liquid remaining in a chamber of the steam generator to a tub of the fabric treatment appliance. The steam generator in one embodiment can comprise the chamber, an inlet configured to introduce liquid into the chamber, an outlet configured to exhaust steam from the chamber, and a drain coupling the chamber to the tub and configured to drain liquid from the chamber to the tub.
    Type: Application
    Filed: June 9, 2006
    Publication date: December 13, 2007
    Inventors: Nyik Siong Wong, Raveendran Vaidhyanathan, Anthony H. Hardaway, Joel A. Luckman