Patents Examined by Levon J Shahinian
  • Patent number: 11337582
    Abstract: A dishwasher includes a dishwashing tub in which dishes are washed; a first tank configured to store therein cold washing water to be used for a next stroke; and a second tank configured to store therein hot washing water, which has been used in the dishwashing tub. The second tank is placed adjacently to the first tank to transfer heat from the stored hot washing water to the cold washing water. An opening is configured to deliver the hot washing water to the dishwashing tub; and a circulation pipe is configured to connect the dishwashing tub and the second tank to enable the hot washing water to circulate between the second tank and the dishwashing tub. A circulation valve is configured to allow the hot washing water to pass therethrough or to block the hot washing water from passing therethrough.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jungyoon Hahm
  • Patent number: 11339524
    Abstract: A washing machine and method for operating the washing machine based upon sensed air pressure arising from filling a wash basin of the washing machine with water during a wash cycle.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: May 24, 2022
    Assignee: Alliance Laundry Systems LLC
    Inventors: Benjamin Robert Patri, Jeffrey Robert Hochtritt, Wayne Michael Sharkey
  • Patent number: 11339528
    Abstract: A mat washer is disclosed which includes a mainframe, a rail surface affixed to the mainframe at an angle of 25 degrees to 90 degrees, a conveying system adapted to transport one or more mats along the rail surface, an enclosed washing chamber having one or more spray bars adapted to direct jets of water at each mat, a discharge wheel adapted for stacking each mat onto a discharge rack, a water recycling system having a waste conveyor adapted to separate large debris from water, the water recycling system have one or more filtration devices adapted to separate small debris from water, and a high pressure pump to supply water under pressure to the one or more spray bars.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: May 24, 2022
    Assignee: Well Service Group Inc.
    Inventors: Richard J. Brennan, William R. Woessner, III
  • Patent number: 11326296
    Abstract: A washing machine is provided. The washing machine includes a water tub configured to be disposed in a cabinet and to store wash water, a rotating tub configured to be rotatably installed in the water tub and to include an opening formed in an upper end portion thereof, and a driver configured to be connected to the rotating tub and to rotate the rotating tub, wherein a deviation preventer configured to prevent wash water in the rotating tub from being deviated to one side during rotation of the rotating tub is formed at an upper end portion of the rotating tub.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: May 10, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-mo Lee, Sang-ho Park, Kyung-up Lim, Seon-woo Lee, So-dam Han, In-hwan Kil, Jun-hyun Park, Do-yeon Kim, Hoon Wee
  • Patent number: 11325167
    Abstract: A system for and method of improving fluid flow is provided. The system includes a discharge manifold defining a primary flow path partially obstructed by one or more flow diverter. The flow diverter includes an obtrusion pair, each obtrusion of the obtrusion pair extending from a rear wall of the discharge manifold into an interior area of the discharge manifold, thereby creating a void along the primary flow path. The system further includes a first nozzle extending through the primary flow path and into the void such that a nozzle inlet of the first nozzle is positioned at least partially within the void. The system further includes a plurality of subsequent nozzles, each of the first and subsequent nozzles defining a respective secondary flow path for directing fluid away from the discharge manifold. The method includes utilizing obtrusion pairs to reduce or eliminate hydraulic skip.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: May 10, 2022
    Assignee: UNIFIED BRANDS, INC.
    Inventors: Michael P. Licata, Atul Singhal, Abhishek Agrawal, Richard Seiss, Roger Moore, Mark Churchill
  • Patent number: 11319654
    Abstract: A washing machine appliance, as provided herein, may include a cabinet, a tub, a wash basket, a ventilation line, and an antimicrobial body. The cabinet may include a front panel defining an opening. The tub may be positioned within the cabinet. The wash basket may be rotatably mounted within the tub. The wash basket may define a wash chamber for receiving articles for washing. The ventilation line may be in fluid communication with the tub. The ventilation line may define an air path from a ventilation inlet within the cabinet. The air path may extend to a ventilation outlet in fluid communication with an ambient environment outside of the cabinet. The antimicrobial body may be positioned along the ventilation line.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: May 3, 2022
    Assignee: Haier US Appliance Solutions, Inc.
    Inventors: S. Neil Malone, Kenneth G. Rudolph
  • Patent number: 11311169
    Abstract: A spray system assembly for a household appliance, such as a dishwasher, wherein the spray system assembly can include a diverter housing with a diverter valve, a sprayer mount, and a rotatable sprayer. The rotatable sprayer can include a hub, a spray head, and a pair of spaced spacers. The sprayer mount can include a collar for receiving the hub of the rotatable sprayer. The pair of spaced spacers can circumscribe the hub.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: April 26, 2022
    Assignee: Whirlpool Corporation
    Inventors: Mark S. Feddema, Lisa M. Fehner
  • Patent number: 11311170
    Abstract: A household dishwasher includes a washing compartment and a spray device arranged inside the washing compartment and configured to spray washing liquor and/or clean water within the washing container. The spray device includes a cage and a rotary element which is mounted in the cage for rotation about an axis of rotation. The rotary element includes a bearing surface which is radially distanced from the axis of rotation and extending around the axis of rotation for enabling the rotary element to be mounted rotatably in the cage.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: April 26, 2022
    Assignee: BSH Hausgeräte GmbH
    Inventors: Bernd Eisenbart, Michael Lugert, Werner Oblinger
  • Patent number: 11306425
    Abstract: A washing machine is provided. The washing machine includes a water tub configured to be disposed in a cabinet and to store wash water, a rotating tub configured to be rotatably installed in the water tub and to include an opening formed in an upper end portion thereof, and a driver configured to be connected to the rotating tub and to rotate the rotating tub, wherein a deviation preventer configured to prevent wash water in the rotating tub from being deviated to one side during rotation of the rotating tub is formed at an upper end portion of the rotating tub.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: April 19, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-mo Lee, Sang-ho Park, Kyung-up Lim, Seon-woo Lee, So-dam Han, In-hwan Kil, Jun-hyun Park, Do-yeon Kim, Hoon Wee
  • Patent number: 11297997
    Abstract: A dish washing machine including a housing having an interior wash space for washing dishes. The housing has a liquid inlet for adding a liquid to the dish washing machine. At least one spray nozzle sprays the liquid onto dishes positioned within the interior wash space. The machine further includes a heating tank for heating the liquid which is supplied to the at least one spray nozzle for spraying onto the dishes in the interior wash space. At least one heat exchange system is within the housing. The at least one heat exchange system transfers heat from the liquid heated by the heating tank to the liquid added to the dish washing machine from the liquid inlet.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: April 12, 2022
    Assignee: K.D.W. Company Limited
    Inventors: Kwok Din Wong, Li Zhou
  • Patent number: 11299834
    Abstract: An appliance air/water handling system includes a rotating drum, airflow and fluid paths for directing process air and fluid, respectively, therethrough. First and second heat exchangers are in direct engagement with the airflow and fluid paths, respectively. A reversible refrigerant circuit delivers refrigerant through the first and second heat exchangers to alternatively define washing and drying conditions. In the washing condition the first heat exchanger cools the process air into cooled process air, and the second heat exchanger heats the fluid to define a heated fluid that is directed into the drum. In the drying condition the first heat exchanger heats the process air to define heated process air that is directed through the drum and through a third heat exchanger, and the second heat exchanger cools the fluid to define a cooled fluid that is directed to the third heat exchanger intersect with the heated process air.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: April 12, 2022
    Assignee: Whirlpool Corporation
    Inventors: Claudio Civanelli, Daniele Martinello
  • Patent number: 11286607
    Abstract: A drum washing machine includes a tub; a drum rotatably provided in the tub; an agitator rotatably provided in the drum; a driver in transmission connection with the drum via a main shaft, and the main shaft transmitting a torque of the driver to the drum; a planetary gear assembly in transmission connection with the main shaft and the agitator separately, and transmitting the torque of the main shaft to the agitator; and a brake linked with the planetary gear assembly.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: March 29, 2022
    Inventors: Guangfang Lin, Song Lu, Xiangkuan Liu, Chaolin Gu
  • Patent number: 11286605
    Abstract: A structural unit, in particular a heating pump for a water-conducting domestic appliance, in particular a domestic dishwasher, includes a heatable tube section through which a liquid can flow during operation and in which one or more mechanical structures are arranged that produce locally different flow speeds of the liquid. A first temperature measuring device is arranged on an outer side of the tube section radially outside a region of lower flow rate or less incident flow, and a second temperature measuring device is arranged on the outer side of the tube section radially outside a region of higher flow rate or more incident flow.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: March 29, 2022
    Assignee: BSH Hausgeräte GmbH
    Inventors: Markus Wecker, Stephan Lutz, Stephanie Karger
  • Patent number: 11284776
    Abstract: A tablet dosing system, in particular for a domestic dishwasher, includes a magazine for stocking cleaning tablets in a plurality of stacks arranged side by side in a row, and an extractor for extracting cleaning tablets from the magazine. The extractor comprises an extractor member which is arranged to be movable relative to the magazine and which is adapted, without changing the position of the stacks, to serve each of the stacks for the purpose of extracting cleaning tablets. The extractor member is in the form of an extractor roller having a plurality of extraction pockets distributed along the roller axis for each receiving at least one cleaning tablet from the stacks or the extractor member is in the form of a linearly movable extractor slider which is able to serve two adjacent stacks alternately for the purpose of tablet extraction.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: March 29, 2022
    Assignee: EMZ-HANAUER GMBH & CO. KGAA
    Inventors: Albert Dirnberger, Sophia Grimm, Georg Spiessl, Peter Nitsche
  • Patent number: 11280037
    Abstract: A drum washing machine and a control method for opening a door of the drum washing machine during running are provided. The control method comprises the following steps: S1, receiving a door opening instruction sent by a user; S2, judging whether a water level at a front end of a drum assembly of the drum washing machine satisfies a condition of opening the door, if yes, entering step S4, if no, entering step S3; S3, tilting the drum assembly with a tilting mechanism, and then returning to step S2; and S4, unlocking a door lock. Through a manner of lifting a front end of the drum assembly, the operation of opening the door during running is realized. In this way, the original parts of the washing machine do not need to be changed.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: March 22, 2022
    Assignee: QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.
    Inventors: Yanfen Lv, Sheng Xu, Huacheng Song
  • Patent number: 11259682
    Abstract: The present disclosure relates to a dishwasher having a structure improved in convenience of use. The dishwasher includes a tub having a front opening and a top opening, a front door configured to open and close the front opening, a cover frame disposed on the top opening and including an opening opened in the up-down direction, a top door configured to open and close the opening of the cover frame, and a frame injector disposed on the cover frame to inject washing water from one side of the cover frame.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Wook Lee, Sung Jin Kim, Seung Wan Yoo, Seung Min Chae, Jin Doo Kim
  • Patent number: 11259683
    Abstract: A dishwasher appliance includes a pump assembly for circulating wash fluid within a wash chamber and discharging wash fluid from a drain basin. The pump assembly includes a wash pump impeller coupled to a drive shaft and a drain pump impeller coupled to the drive shaft using a clutch, such as a centrifugal clutch. At speeds below a predetermined speed threshold, the clutch remains disengaged such that only the wash pump impeller rotates. When the speed of the drive shaft exceeds the predetermined speed threshold, the clutch engages causing the drain pump impeller to rotate and discharge wash fluid from the drain basin.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: March 1, 2022
    Assignee: Haier US Appliance Solutions, Inc.
    Inventor: Timothy Kopera
  • Patent number: 11262145
    Abstract: A heat exchanger cleaning device is provided. The cleaning device includes a drive motor configured to rotate a gearbox, a slip clutch, and a support beam about a first axis. The support beam carries a thread rod, a second motor, and one or more carriage assemblies. The carriage assemblies move linearly as the second motor rotates the threaded rod. The carriage assemblies include a support tube for receiving an ultra-high pressure tube therethrough. The carriage assemblies adjust relative to the heat exchanger such that the UHP tube may be inserted through the support tube into a hole of the heat exchanger. Therein the UHP tube may be advanced to clean sediment from the heat exchanger tube.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: March 1, 2022
    Inventors: Michael K. Brumfield, Kristen E. Gromes
  • Patent number: 11255621
    Abstract: A heat exchanger cleaning device is provided. The cleaning device includes a drive motor configured to rotate a gearbox, a slip clutch, and a support beam about a first axis. The support beam carries a thread rod, a second motor, and one or more carriage assemblies. The carriage assemblies move linearly as the second motor rotates the threaded rod. The carriage assemblies include a support tube for receiving an ultra-high pressure tube therethrough. The carriage assemblies adjust relative to the heat exchanger such that the UHP tube may be inserted through the support tube into a hole of the heat exchanger. Therein the UHP tube may be advanced to clean sediment from the heat exchanger tube.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: February 22, 2022
    Inventors: Michael K. Brumfield, Kristen E. Gromes
  • Patent number: 11255039
    Abstract: A washing machine includes: a casing, a tub, a drum, a cylindrical gasket connecting an input port of the casing to an opening of the tub, a pump configured to circulate water discharged from the tub; a guide pipe fixed to the gasket configured to guide water supplied from the pump, and nozzles configured to spray water from the guide pipe into the drum. The nozzles include an upper nozzle configured to spray water downward, intermediate nozzles disposed below the upper nozzle in both left and right sides and configured to spray water downward while spraying water deeper into the drum than the upper nozzle, and lower nozzles disposed above the inflow port, disposed below the intermediate nozzles in both left and right sides based on the inflow port and configured to spray water upward.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: February 22, 2022
    Assignee: LG Electronics Inc.
    Inventors: Hwanjin Jung, Myunghun Im, Junghoon Lee, Kyungchul Woo, Hyundong Kim