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公开(公告)号：EP3889342A1
公开(公告)日：2021-10-06
申请号：EP21165857.0
申请日：2021-03-30
Applicant: LG Electronics Inc.
Inventor： CHO, Kichul , LEE, Youngjae , SIM, Inbo
Abstract: Disclosed are a laundry treating apparatus including: a drum providing a space for storing laundry therein; a duct discharging air in the drum to an outside of the drum and resupplying the discharged air into the drum; a heat exchanger provided within the duct to dehumidify air and heat the dehumidified air; a water collecting part storing water removed from air passing through the heat exchanger; a spray part removing foreign material by spraying water to the heat exchanger; a pump having a pump housing connected to the water collecting part, first and second pump outlets provided to the pump housing, and an impeller moving water in the pump housing to the first pump outlet; a drainage having a drainage housing, a housing connecting pipe connecting the second pump outlet and the drainage housing to each other, a drain pipe for discharging water in the drainage housing, and a drain valve controlling opening/closing of the drain pipe; and a flow path switch having a switch housing connected to the first pump outlet, a first supply pipe connecting the switch housing to the spray part, a second supply pipe connecting the switch housing to the drain pipe, and a switch valve controlling opening/closing of the first supply pipe and the second supply pipe, and method for controlling the same.
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公开(公告)号：EP3868949A1
公开(公告)日：2021-08-25
申请号：EP21156271.5
申请日：2021-02-10
Applicant: LG Electronics Inc.
Inventor： LEE, Youngjae , CHO, Kichul
Abstract: A laundry treating apparatus includes a cabinet (1); a drum (2); a duct (3) system including an air discharge duct (31), an air supply duct (33) and a connection duct (35); a fan (49); a heat-exchanger including a heat-absorber and a heat-emitter; a water collector (37); an water ejector (39) disposed in the duct (3) system and defining a water flow path; a water flow-path controller including a controller housing (71) has an inner space for storing water therein, a water supply pipe (712, 713), a water discharge pipe (713, 717) and a valve (74) constructed to control opening and closing of the water discharge pipe (713, 717); and a pump (5) including a pump housing (51) having an inner space, a first (52), a second (54) and a third connection pipe (56) as well as an impeller (58) and an impeller driver (59).
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公开(公告)号：EP4368768A2
公开(公告)日：2024-05-15
申请号：EP24167698.0
申请日：2021-02-10
Applicant: LG Electronics Inc.
Inventor： LEE, Youngjae , CHO, Kichul
IPC: D06F58/24
CPC classification number: D06F58/02 , D06F58/206 , D06F58/22 , D06F58/24 , Y02B40/00
Abstract: The present invention relates to a laundry treating apparatus (100) comprising a cabinet (1); a drum (2) disposed inside the cabinet (1). The drum (2) has an inner space for receiving laundry therein. The laundry treating apparatus further comprises a duct system (3) including an air discharge duct (31) for discharging air inside the drum (2) to an outside of the drum (2), an air supply duct (33) for supplying air to the drum (2), and a connection duct (35) for connecting the air discharge duct (31) and the air supply duct (33) to each other as well as a fan (49) for moving air inside the drum (2) along the duct system (3). The laundry treating apparatus also includes a heat-exchanger (4) including a heat-absorber (41) disposed inside the connection duct (35) to remove moisture from air, and a heat-emitter (43) disposed inside the connection duct (35) to heat air passing through the heat-absorber (41), a water collector (37) for storing therein water removed from air passing through the heat-absorber (41) and a water ejector (39) disposed in the duct system (3) and defining a water flow path for suppling water to the heat-absorber (41) to remove foreign substances remaining on the heat-absorber (41). There is also included a pump (5) including a pump housing (51) having an inner space for storing water therein, an impeller (58) rotatably disposed inside the pump housing (51), and an impeller driver (59) for rotating the impeller (58). The laundry treatment system also comprises a water flow-path controller (7) including a valve (74) to control to discharge water in the pump housing. The pump housing (51) includes a pump inlet (511) communicated to the water collector (37); a first pump discharge hole (513) communicated to the water ejector (39); and a second pump discharge hole (517) communicted to the water flow-path controller (7).
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公开(公告)号：EP4368768A3
公开(公告)日：2024-11-27
申请号：EP24167698.0
申请日：2021-02-10
Applicant: LG Electronics Inc.
Inventor： LEE, Youngjae , CHO, Kichul
Abstract: The present invention relates to a laundry treating apparatus (100) comprising a cabinet (1); a drum (2) disposed inside the cabinet (1). The drum (2) has an inner space for receiving laundry therein. The laundry treating apparatus further comprises a duct system (3) including an air discharge duct (31) for discharging air inside the drum (2) to an outside of the drum (2), an air supply duct (33) for supplying air to the drum (2), and a connection duct (35) for connecting the air discharge duct (31) and the air supply duct (33) to each other as well as a fan (49) for moving air inside the drum (2) along the duct system (3). The laundry treating apparatus also includes a heat-exchanger (4) including a heat-absorber (41) disposed inside the connection duct (35) to remove moisture from air, and a heat-emitter (43) disposed inside the connection duct (35) to heat air passing through the heat-absorber (41), a water collector (37) for storing therein water removed from air passing through the heat-absorber (41) and a water ejector (39) disposed in the duct system (3) and defining a water flow path for suppling water to the heat-absorber (41) to remove foreign substances remaining on the heat-absorber (41). There is also included a pump (5) including a pump housing (51) having an inner space for storing water therein, an impeller (58) rotatably disposed inside the pump housing (51), and an impeller driver (59) for rotating the impeller (58). The laundry treatment system also comprises a water flow-path controller (7) including a valve (74) to control to discharge water in the pump housing. The pump housing (51) includes a pump inlet (511) communicated to the water collector (37); a first pump discharge hole (513) communicated to the water ejector (39); and a second pump discharge hole (517) communicted to the water flow-path controller (7).
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