Abstract: A laundry dryer having a drum, a casing supporting the drum and including a basement defining a basement plane, a basement process air conduit located in the basement and extending within the basement for a given length and having a basement air conduit width, and a heat pump having a first heat exchanger where refrigerant is cooled off and the process air is heated up, and a second heat exchanger where refrigerant is heated up and the process air is cooled off. The first heat and second heat exchangers are in the basement process air conduit to perform heat exchange between said refrigerant flowing in said heat pump circuit and said process air. The width of the basement air conduit along a first portion of its extension in the basement is wider than 50% of the width of the basement.

Abstract: A laundry dryer including: a drum, a motor to rotate the drum, a casing supporting the drum and including a rear wall and a front wall, a basement having first, second, third and fourth quarters with the first and third quarters on one side of a plane perpendicular to the basement plane and parallel to the drum axis, and the second and fourth quarters on an opposite side of the plane, a process air conduit in fluid communication with the drum and including a basement process air conduit located in the basement, and a heat pump circuit including a compressor, and first and second heat exchangers . The first and second heat exchangers are in the basement process air conduit mainly within third and fourth quarters, and the motor and compressor are mainly in, respectively, in the first and second quarters.

Abstract: A laundry machine (1) having cabinet (2) housing a chamber (3) for treating laundry having a rotation axis (RR), a porthole (8) for providing access to and tightly closing the chamber (3), a hinge (11) to pivot the porthole (8) to the cabinet (2), an electromechanical lock (12) having a first member (13) on the porthole (8) and a matching member (14) on the cabinet (2), and a grip-only handle (15). The porthole (8) has at least one frame (30, 30a, 31), and a glass (32) secured to the at least one frame (30, 30a, 31). The electromechanical lock (12) is configured to be released by applying a force beyond a threshold onto the porthole (8) away from the cabinet (2).

Abstract: The present invention relates to a laundry machine (1) comprising a cabinet (2) housing a chamber (3) for treating laundry having a rotation axis (RR), a porthole (8) for providing access to and tightly closing the chamber (3), a hinge (11) to pivot the porthole (8) to the cabinet (2), an electromechanical lock (12) comprising a first member (13) on the porthole (8) and a matching member (14) on the cabinet (2), and a grip-only handle (15), wherein said porthole (8) comprises at least one frame (30, 30a, 31), and a glass (32) secured to the at least one frame (30, 30a, 31), wherein said electromechanical lock (12) is configured to be released by applying a force beyond a threshold onto the porthole (8) away from the cabinet (2).

Abstract: A laundry dryer has a casing (1) accommodating therein a drying air circuit and operational devices for carrying out a drying treatment on laundry. The dryer further includes a basement (8, 108) having a condensate draining path (21, 121) for conveying moisture condensed from drying air towards a reservoir (24, 124). At least one condensate retaining region (29A, 29B; 129A, 129B) is provided in the condensate draining path (21, 121) and/or on reservoir (24, 124) thereby forming a liquid trap for preventing drying air dispersing along path (21, 121) from entering reservoir (24, 124).

Abstract: A door (125, 125?, 125?) for a laundry washing and/or drying appliance (100) includes a door inner frame (205, 205?, 205?), a door outer frame (210, 210?, 210?), and a transparent porthole window (150) having a border portion (225) fitted between the inner frame and the outer frame. In the solution according to one or more embodiments of the present invention, the border portion of the porthole window has at least one receiving region (230) having, at least on one side thereof facing the inner frame or the outer frame, a seat (235); at least the inner frame or the outer frame has, in a portion (240, 250) corresponding to the receiving region (230) of the porthole window, at least one rib (245, 255) fitting into the seat (235) of the receiving region (230).

Abstract: A rotary-drum laundry dryer (1) has a revolving drum (3) structured for housing the laundry to be dried, a hot-air generator (6) structured to circulate a stream of hot air through said revolving drum (3), and a lower supporting base or socle (9) which is structured for resting on the floor and for housing at least part of the hot-air generator (6).

Abstract: A laundry dryer has a casing (1) accommodating therein a drying air circuit and operational devices for carrying out a drying treatment on laundry. The dryer further includes a basement (8, 108) having a condensate draining path (21, 121) for conveying moisture condensed from drying air towards a reservoir (24, 124). At least one condensate retaining region (29A, 29B; 129A, 129B) is provided in the condensate draining path (21, 121) and/or on reservoir (24, 124) thereby forming a liquid trap for preventing drying air dispersing along path (21, 121) from entering reservoir (24, 124).

Abstract: A heat pump laundry dryer has a casing (1) accommodating therein a heat pump system having a refrigerant fluid evaporating unit and a refrigerant fluid condensing unit for carrying out a drying treatment on laundry. The dryer further includes a basement (8) having a condensate draining path (21) for conveying moisture condensed from a drying air flow towards a reservoir (24). The condensing unit lays over a basement surface (14) which is provided with a condensate guide (26) for driving water condensed onto the condensing unit to the condensate draining path (21).

Abstract: Method of operating a heat pump dryer, the heat pump tumble dryer including a process air circuit and a heat pump unit having a refrigerant evaporator for cooling process air, a primary refrigerant condenser for heating process air, an auxiliary refrigerant evaporator arranged outside the process air circuit and connected between the primary refrigerant evaporator and a compressor of the heat pump unit, and at least one auxiliary fan adapted to impinge an air stream at the auxiliary heat exchanger.

Abstract: A heat pump dryer is provided which includes a process air circuit and a heat pump unit having a primary refrigerant evaporator for cooling process air, a primary refrigerant condenser for heating process air, an auxiliary refrigerant evaporator arranged outside the process air circuit and connected between the primary refrigerant evaporator and a compressor of the heat pump unit, and at least one auxiliary fan adapted to impinge an air stream at the auxiliary refrigerant evaporator. At least one waste heat generating component of the heat pump dryer, the auxiliary refrigerant evaporator and the auxiliary fan are mutually arranged so that the auxiliary fan is adapted to impinge ambient air heated up by heat released from said waste heat generating component at the auxiliary evaporator, and/or at least a temperature sensor is arranged outside the process air circuit and provided for detecting the temperature of the ambient air around the location where the auxiliary refrigerant evaporator is arranged.

Abstract: A home laundry drier (1) having a casing (2), a laundry drying tub (3) housed inside the casing (2), and a hot-air generator (5) for circulating hot air into the drying tub (3) along a drying circuit (4). The drier (1) has an air filter (11) fitted stably, but easily removably, inside a pocket (12) located along the drying circuit (4). And the filter (11) has a first mesh (18) defining a mesh wall of the filter (11), and the openings (18a) of which are sized to filter fluff/fibers of a size greater than or equal to a first size threshold (S1); and a second mesh (19) defining another mesh wall of the filter (11), and the openings (19a) of which are sized to filter fluff/fibers of a size greater than a minimum second size threshold (S2) lower than the first size threshold (S1).

Abstract: Heat pump dryer (1) comprising a process air circuit and a heat pump unit (5) having a primary refrigerant evaporator (6) for cooling process air (4) and a primary refrigerant condenser (7) for heating process air (4), further comprising either—an auxiliary refrigerant evaporator (16) connected between the primary refrigerant evaporator (6) and a compressor (8) of the heat pump unit (5) and an auxiliary refrigerant condenser (17) connected between the primary refrigerant condenser (7) and refrigerant expansion means (14), both arranged outside the process air circuit or—an auxiliary heat exchanger (27) arranged outside the process air circuit wherein the auxiliary heat exchanger (27) is a dual mode heat exchanger operable in refrigerant evaporator mode or in refrigerant condenser mode.

Abstract: A laundry dryer includes a casing (1) accommodating therein a drying air circuit, a laundry container, a drying air moisture removing unit and further operational devices for carrying out a drying treatment on laundry. The dryer further includes a basement (8, 108) having a condensate draining path (21, 121) for conveying moisture condensed from drying air towards a reservoir (24, 124), wherein at least a portion of the condensate draining path (21, 121) extends on a basement region (17, 117) where drying air exiting the laundry container flows before entering the drying air moisture removing unit.

Abstract: A door (125, 125?, 125?) for a laundry washing and/or drying appliance (100) includes a door inner frame (205, 205?, 205?), a door outer frame (210, 210?, 210?), and a transparent porthole window (150) having a border portion (225) fitted between the inner frame and the outer frame. In the solution according to one or more embodiments of the present invention, the border portion of the porthole window has at least one receiving region (230) having, at least on one side thereof facing the inner frame or the outer frame, a seat (235); at least the inner frame or the outer frame has, in a portion (240, 250) corresponding to the receiving region (230) of the porthole window, at least one rib (245, 255) fitting into the seat (235) of the receiving region (230).

Abstract: An electric motor (10) drives a compressor (40) of a heat pump system in a laundry machine, e.g., a tumble dryer. The electric motor (10) is an asynchronous motor. The electric motor (10) includes a main coil (12) and an auxiliary coil (14). A control unit (22, 24, 26) is dedicated to the electric motor (10). The control unit includes capacitance circuitry including at least one capacitor (22, 24). The main coil (12) is parallel-connected to a series including the auxiliary coil (14) and the at least one capacitor (22, 24). The main coil (12) is connected or connectable to a power source (34). The capacity of the capacitance circuitry is variable depending directly or indirectly on parameters including, e.g., the actual torque of the electric motor (10). Further, the present invention relates to a method for operating the laundry machine with the heat pump system (10).

Abstract: A home laundry drier (1) having a casing (2), a laundry drying tub (3) housed inside the casing (2), and a hot-air generator (5) for circulating hot air into the drying tub (3) along a drying circuit (4). The drier (1) has an air filter (11) fitted stably, but easily removably, inside a pocket (12) located along the drying circuit (4). And the filter (11) has a first mesh (18) defining a mesh wall of the filter (11), and the openings (18a) of which are sized to filter fluff/fibres of a size greater than or equal to a first size threshold (S1); and a second mesh (19) defining another mesh wall of the filter (11), and the openings (19a) of which are sized to filter fluff/fibres of a size greater than a minimum second size threshold (S2) lower than the first size threshold (S1).

Abstract: A heat exchanger (1) for a dryer, especially for a domestic dryer, has a plurality of fins (2), wherein a flow channel (3) is established between two fins (2), and wherein air is guided along a flow direction (F) through the flow channel (3) from an inlet edge (4) to an outlet edge (5). To improve the behaviour of the heat exchanger as regards the collection of lint, at least the inlet edges (4) of the fins (2) have an at least partially rounded shape (6, 6?, 6?) seen in a direction perpendicular to the flow direction (F) and parallel to the surfaces (7) of the fins (2).