Abstract: Proposed are a directional airflow device and an air cleaner with the same. The directional airflow device includes: a cylindrical fan accommodating portion (140) including a fan assembly (150) that is configured to generate a flow of air; and a cylindrical guide accommodating portion (160) integrally formed on the fan accommodating portion (140), and including an airflow forming member (170) that is configured to discharge air suctioned by the fan assembly and guided to an airflow forming space, through a discharge port, wherein the airflow forming member is configured such that at least two helical bodies having different pitches are arranged in the airflow forming space along a circumferential direction of the guide accommodating portion, so that a part of the helical bodies forms a directional airflow having straightness, and a remaining part discharges air radially.

Abstract: A centrifugal fan is provided that includes a main plate configured to be rotated about a rotational axis, a shroud, having a suction opening, and a plurality of blades arranged in a circumferential direction between the main plate and the shroud to allow air suctioned in through the suction opening to flow from a front edge to a rear edge of each blade. Assuming a first cross section, a second cross section, a third cross section, and a fourth cross section of each blade sequentially taken at layers from the shroud to the main plate, a front edge of the first cross section is located farther from the rotational axis than a front edge of the fourth cross section, and a rear edge of the first cross section is located closer to the rotational axis than a rear edge of the fourth cross section.

Abstract: An outdoor unit for an air conditioner is disclosed, the outdoor unit characterized by: a case (100) formed with an air suction port (110) sucking air from outside and an air discharge port (120) discharging the sucked air; a first blowing fan (200) formed inside the case (100) for discharging the air sucked from the air suction port (110) to the air discharge port (120); and a second blowing fan (300) formed inside the case (100) and positioned on the same axis of the first blowing fan (200) for rotating in an opposite direction of the first blowing fan (200), such that generation of cavitation of a blowing fan is limited to greatly reduce noise and vibration.

Abstract: A centrifugal fan is provided that includes a main plate configured to be rotated about a rotational axis, a shroud, having a suction opening through which air is suctioned in, and a plurality of blades arranged in a circumferential direction between the main plate and the shroud to allow the air suctioned in through the suction opening to flow from a front edge to a rear edge of each blade. Assuming a first cross section, a second cross section, a third cross section, and a fourth cross section of each blade sequentially taken at layers from the shroud to the main plate, a front edge of the first cross section is located farther from the rotational axis than a front edge of the fourth cross section, and a rear edge of the first cross section is located closer to the rotational axis than a rear edge of the fourth cross section.

Abstract: A steam generator is provided that includes an external case having an opening that allows an internal space to communicate with an external environment. Additionally, the steam generator may be provided with a supplier that supplies water to the internal space, a heater provided to the opening to generate steam, an outlet pipe having a first side that communicates with the external environment to discharge steam, and a steam discharge controller provided to a second side of the outlet pipe to open/close the outlet pipe according to a presence or absence of a discharge of the steam.

Abstract: An outdoor unit for an air conditioner is disclosed, the outdoor unit characterized by: a case (100) formed with an air suction port (110) sucking air from outside and an air discharge port (120) discharging the sucked air; a first blowing fan (200) formed inside the case (100) for discharging the air sucked from the air suction port (110) to the air discharge port (120); and a second blowing fan (300) formed inside the case (100) and positioned on the same axis of the first blowing fan (200) for rotating in an opposite direction of the first blowing fan (200), such that generation of cavitation of a blowing fan is limited to greatly reduce noise and vibration.

Abstract: A vacuum cleaner and an intake port unit thereof are disclosed, by which a steam cleaning can be conducted together with a vacuum cleaning. The intake port unit includes a housing. A vacuum intake passage is provided within the housing for passage of air sucked in from the exterior of the housing, and a steam generator is provided within the housing to generate steam. A steam discharge passage is provided within the housing for passage of steam discharged to the exterior of the housing. The steam discharge passage is partitioned from the vacuum intake passage.

Abstract: A steam generator is provided that includes an external case having an opening that allows an internal space to communicate with an external environment. Additionally, the steam generator may be provided with a supplier that supplies water to the internal space, a heater provided to the opening to generate steam, an outlet pipe having a first side that communicates with the external environment to discharge steam, and a steam discharge controller provided to a second side of the outlet pipe to open/close the outlet pipe according to a presence or absence of a discharge of the steam.

Abstract: A steam generator is provided that includes an external case having an opening that allows an internal space to communicate with an external environment. Additionally, the steam generator may be provided with a supplier that supplies water to the internal space, a heater provided to the opening to generate steam, an outlet pipe having a first side that communicates with the external environment to discharge steam, and a steam discharge controller provided to a second side of the outlet pipe to open/close the outlet pipe according to a presence or absence of a discharge of the steam.

Abstract: An upright type vacuum cleaner having a water cleaning function includes a head portion; a body portion rotatably installed at an upper side of the head portion; a water cleaning unit; and a flow-path changing hose selectively supplying an intake force of the fan motor to the head portion and the water cleaning unit.

Abstract: A cleaner includes a body provided with a dust collecting container for storing dust, a fan motor installed at the body and generating a suction force; a vacuum cleaning head disposed at a lower side of the body, into which dust is sucked when the cleaner performs vacuum cleaning. A water cleaning head is mounted at the vacuum cleaning head, for spraying cleaning water onto a region to be cleaned, sucking contaminated water after completing water cleaning, and storing the sucked contaminated water, when water cleaning. By implementing both a vacuum cleaning function for sucking dust and a water cleaning function in one cleaner, a cleaner capable of reducing the cost and, increasing convenience of use is provided.

Abstract: A cleaner includes: a body provided with a dust collecting container for storing dust; a fan motor installed at the body and generating a suction force; a vacuum cleaning head disposed at a lower side of the body, for sucking dust when vacuum cleaning; and a water cleaning head mounted at the vacuum cleaning head, and provided with a suction head through which contaminated water is sucked when water cleaning and a water collecting container for storing contaminated water sucked through the suction head. As a suction nozzle for sucking contaminated water and a water collecting container for storing the contaminated water sucked through the suction nozzle are integrally formed and installed at a suction head, a cleaner capable of reducing the number of parts and a production cost, and employing a small capacity fan motor is provided.

Abstract: A vacuum cleaner comprises: a body; a suction head arranged at a lower side of the body and sucking dust or filth; a suction fan mounted at the body and generating a suction force; a dust collecting container mounted in the body and collecting dust or filth sucked into the suction head; and a compression unit mounted at the body and compressing dust or filth collected in the dust collecting container.

Abstract: A complex type cleaner is provided. The complex type cleaner includes a body having either a dust collecting container that stores dust or a water collecting container that stores contaminated water, a fan motor installed in the body that generates a suction force, a suction head arranged at a lower side of the body, that sucks dust at a time of performing a vacuum cleaning operation, a water tank mounted adjacent the suction head, that stores cleaning water to be sprayed onto a region to be cleaned at a time of performing a water cleaning operation, and a suction nozzle integrally formed with the water tank, that sucks water contaminated after completing the water cleaning operation. The complex type cleaner so configured reduces a number of components, reduces a fabrication cost, and has a large capacity water tank.

Abstract: A filter device for a vacuum cleaner includes a casing having a collecting space therein, a suction opening through which air including dust is sucked, formed eccentrically at one side so that sucked air can be rotated and a discharge opening through which purified air is discharged. A filter is installed at an internal space of the casing, for filtering dust from air sucked through the suction opening. A filter cleaning unit is disposed at an outer circumferential surface of the filter, for cleaning the filter by being rotated by a rotation force of air sucked through the suction opening. A rotation restrainer is provided for restraining rotation of the filter cleaning unit when the filter cleaning unit reaches a topmost position. Accordingly, fine dust attached to the filter in cleaning is removed so that a channel of the filter can be prevented from being closed.

Abstract: A complex type cleaner includes: a cleaner body having at least one of a dust collecting container for storing dust or foreign materials and a water collecting container for storing contaminated water; and a suction head having a dust suction opening disposed at a lower portion of the cleaner body and sucking dust when the cleaner performs a vacuum cleaning and a suction head having a suction nozzle for sucking contaminated water when the cleaner performs a water cleaning. By implementing both vacuum cleaning function for sucking dust and water cleaning function in one cleaner, a cost can be reduced, users' convenience can be improved, and the cleaner can be conveniently kept in storage.

Abstract: A cleaner includes a suction motor mounted in a cleaner main body, and generating a suction force; a filter for collecting dust or filth sucked by the suction force generated at the suction motor; a suction head connected with the filter by a suction tube, and sucking dust and filth on a floor; a brush installed in the suction head so as to ascend/descend in a vertical direction, and sweeping dust and foreign substances into the suction head; and a brush height control apparatus installed in the suction head, and making the brush ascend/descend in a vertical direction. The cleaner having a brush height control apparatus can prevent deterioration of a suction force and improving cleaning performance by constantly maintaining a gap between the suction head and the floor.

Abstract: A complex type cleaner comprises: a body; a suction head arranged at a lower side of the body, for sucking dust at the time of performing a vacuum cleaning and sucking dirty water at the time of performing a water cleaning; a suction fan for generating a suction force so that dust and dirty water can be sucked into the suction head; a reservoir detachably mounted at the body and storing dust or dirty water; and a valve assembly for converting a cleaning mode into a vacuum cleaning mode or a water cleaning mode by selectively opening and closing passages connected among the suction head, the reservoir, and the suction fan. A vacuum cleaning function for sucking dust and a water cleaning function are implemented at one cleaner, thereby reducing the cost and facilitating the usage and the storage.

Abstract: A condensing apparatus of a washing and drying machine includes a casing that forms an accommodating space therein; a tub installed in the casing; an air duct of which one end is connected to the tub to thus introduce air into the tub; a blower fan that blows air along the air duct; and a heater that heats air of the air duct before being introduced into the tub.

Abstract: A suction apparatus of a cleaner includes: a suction motor inserted in a cleaner body and generating a suction force; a filter for collecting dust or filth sucked by a suction force generated for the suction motor; a suction head connected to the filter by a suction pipe and sucking dust and filth on the floor by the suction force generated from the suction motor; and an auxiliary suction unit installed at the opposite side of a side where the suction pipe of the suction head is connected. A cleaning performance is enhanced by compensating a suction force at a portion where the suction force is relatively weak.