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公开(公告)号：US20220213631A1
公开(公告)日：2022-07-07
申请号：US17140369
申请日：2021-01-04
Applicant: Whirlpool Corporation
Inventor： Arun Rajendran , Roy E. Masters
Abstract: A combination washer/dryer machine has a rotatable drum inside a cabinet. The drum has an external surface. A tub is positioned inside the cabinet. The drum is rotatable in the tub. The tub has an inner surface. A seal extends between the exterior surface of the drum and the inner surface of the tub forming a desired gap during both washing and drying operations and minimizing bypass of drying air during the drying operation.
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公开(公告)号：US10662574B2
公开(公告)日：2020-05-26
申请号：US15825211
申请日：2017-11-29
Applicant: WHIRLPOOL CORPORATION
Inventor： Gianluca Bocchino , Arun Rajendran
Abstract: A laundry appliance includes a blower that directs process air along an airflow path. An evaporator dehumidifies the process air and removes condensate from the process air. A heat exchange plate is disposed within the airflow path and supports the evaporator from below and within the airflow path. The heat exchange plate receives the condensate from the process air. A sloped area of the heat exchange plate directs the condensate downward and along the heat exchange plate to a condensate drain, wherein the sloped area includes a directing surface that blocks the process air from pushing the condensate upward and away from the condensate drain.
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公开(公告)号：US20180245271A1
公开(公告)日：2018-08-30
申请号：US15825211
申请日：2017-11-29
Applicant: WHIRLPOOL CORPORATION
Inventor： Gianluca Bocchino , Arun Rajendran
Abstract: A laundry appliance includes a blower that directs process air along an airflow path. An evaporator dehumidifies the process air and removes condensate from the process air. A heat exchange plate is disposed within the airflow path and supports the evaporator from below and within the airflow path. The heat exchange plate receives the condensate from the process air. A sloped area of the heat exchange plate directs the condensate downward and along the heat exchange plate to a condensate drain, wherein the sloped area includes a directing surface that blocks the process air from pushing the condensate upward and away from the condensate drain.
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公开(公告)号：US11821124B2
公开(公告)日：2023-11-21
申请号：US17240056
申请日：2021-04-26
Applicant: Whirlpool Corporation
Inventor： Michael Vriezema , Arun Rajendran , Logan R. Urbanski
Abstract: A washer and dryer combination appliance including a housing, a drum positioned in the housing, and a dynamic, expandable seal positioned between the drum and the housing. A laundry compartment inside the drum is accessible through openings in the front of the housing and drum. The drum has a rear wall with perforations that permit air to flow into the laundry compartment. An air gap is located between the rear of the housing and the rear wall of the drum. The dynamic, expandable seal, is actuatable between a retracted position and an extended position. In the extended position, the dynamic, expandable seal extends across the air gap to direct airflow through the perforations in the rear wall of the drum. In the retracted position, the dynamic, expandable seal is spaced away from the drum and therefore does not add any drag on the drum as the drum rotates.
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公开(公告)号：US20220341074A1
公开(公告)日：2022-10-27
申请号：US17240056
申请日：2021-04-26
Applicant: Whirlpool Corporation
Inventor： Michael Vriezema , Arun Rajendran , Logan R. Urbanski
Abstract: A washer and dryer combination appliance including a housing, a drum positioned in the housing, and a dynamic, expandable seal positioned between the drum and the housing. A laundry compartment inside the drum is accessible through openings in the front of the housing and drum. The drum has a rear wall with perforations that permit air to flow into the laundry compartment. An air gap is located between the rear of the housing and the rear wall of the drum. The dynamic, expandable seal, is actuatable between a retracted position and an extended position. In the extended position, the dynamic, expandable seal extends across the air gap to direct airflow through the perforations in the rear wall of the drum. In the retracted position, the dynamic, expandable seal is spaced away from the drum and therefore does not add any drag on the drum as the drum rotates.
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Patent Agency Ranking
26.发明授权公开(公告)号：US11452964B2
公开(公告)日：2022-09-27
申请号：US16808788
申请日：2020-03-04
Applicant: WHIRLPOOL CORPORATION
Inventor： Roy E. Masters , Arun Rajendran
Abstract: A laundry appliance includes a tub having a rear wall. A drum is rotationally operable within the tub. An air flow path extends through an air flow port defined within the rear wall. A lint filter is positioned within the air flow port. A fluid spray system extends through the rear wall and directs a flow of fluid over the air flow port and the lint filter in a direction generally parallel with an inside surface of the rear wall.
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公开(公告)号：US20220162792A1
公开(公告)日：2022-05-26
申请号：US16953934
申请日：2020-11-20
Applicant: WHIRLPOOL CORPORATION
Inventor： Arun Rajendran
Abstract: A laundry appliance includes a cabinet that includes a pump. A drum is disposed within the cabinet and a tub is operably coupled to the drum and is disposed proximate to the cabinet. A water recirculation assembly is operably coupled to the pump. The water recirculation assembly includes a first tube that is operably coupled to the pump within the cabinet, a second tube that is fluidly coupled to the first tube, and a gap that is defined between the first tube and the second tube.
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公开(公告)号：US20180245274A1
公开(公告)日：2018-08-30
申请号：US15830540
申请日：2017-12-04
Applicant: WHIRLPOOL CORPORATION
Inventor： Gianluca Bocchino , Roy E. Masters , Arun Rajendran
CPC classification number: D06F58/22 , B08B3/02 , B08B2203/0223 , D06F58/02 , D06F58/24 , D06F58/28 , D06F2058/2854 , D06F2058/2858
Abstract: A fluid flow system for a laundry appliance includes a blower that delivers process air along an airflow path having a heat exchanger. A drain channel receives condensate from the heat exchanger and fluid spray from a spray nozzle for directing lint particles to the drain channel and on to a sump for collecting fluid, including the condensate. A pump seat and a fluid outlet are integrally formed in a sump cover. A pump directs the fluid from the sump to the fluid outlet. A fluid level sensor detects at least minimum and maximum capacities of the fluid in the sump. When the fluid is below the minimum capacity, the pump defines an idle state. When the fluid reaches the minimum capacity, the pump defines an active state. When the fluid exceeds the maximum capacity, the pump directs the fluid to the fluid outlet.
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公开(公告)号：US20180245272A1
公开(公告)日：2018-08-30
申请号：US15827134
申请日：2017-11-30
Applicant: WHIRLPOOL CORPORATION
Inventor： Gianluca Bocchino , Arun Rajendran
CPC classification number: D06F58/22 , D06F58/203 , D06F58/206 , D06F58/24 , D06F58/28 , D06F2058/2854 , D06F2058/2858
Abstract: A fluid delivery system for a laundry appliance includes a blower that delivers process air along an airflow path. A drum receives process air to dry laundry. A heat exchanger dehumidifies the process air and removes condensate therefrom. A drain channel receives condensate from the heat exchanger. A pump directs fluid from the drain channel and along a fluid path. The fluid at least partially includes the condensate. A fluid diverter valve receives the fluid from the pump and selectively and delivers the fluid sequentially to a plurality of spray nozzles that direct a flow of the fluid onto a lint filter and toward the drain channel and a fluid outlet.
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公开(公告)号：US20180148883A1
公开(公告)日：2018-05-31
申请号：US15364987
申请日：2016-11-30
Applicant: WHIRLPOOL CORPORATION
Inventor： Arun Rajendran , Michael Jon Vriezema
CPC classification number: D06F39/10 , A47L15/4208 , A47L15/4227 , D06F37/145 , D06F39/085
Abstract: A lint removal system for a laundry appliance includes a lint washing assembly adapted to deliver wet lint to a disposal area. An impeller is disposed within a continuous processing chamber of a pump casing, the impeller operable to deliver a fluid from the disposal area to a drain outlet. A blade assembly is disposed within the continuous processing chamber, the blade assembly rotationally operable to process the wet lint from the disposal area to define lint particles that are delivered with the fluid to the drain outlet.
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