A constant damping system includes a damping body having a cap and a stem extending from the cap, a suspension rod accepted through the damping body, a damping fluid provided between the suspension rod and the stem of the damping body, the damping fluid configured to provide a constant damping force between the suspension rod and the stem, wherein the damping fluid is one of a hydro-carbon base or a silicon base, and an axial spring having a first end attached to the suspension rod and a second end contacting the cap of the damping body.

A laundry treatment apparatus includes a drum having an entrance formed in a top side to put laundry therethrough, a balancer provided to the drum to resolve unbalancing of the drum may include a recess part configured to reduce a top side of a space for storing liquid in the balancer. Accordingly, the center of gravity of the balancer can be lowered and a laundry receiving space can be increased.

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.

A laundry treating appliance includes a rotatable basket defining a treating chamber for receiving a load of laundry items for treatment, and an annular balance rings defining an annular chamber within, coupled with the basket for rotation therewith. The basket can further comprise a pair of walls comprising a perforated inner wrapper and an outer wall defining a space therebetween. The space fluidly couples to the annular chamber, permitting liquid to flow from the treating chamber, into the space and into the annular chamber to provide a restoring force to the system. The annular balance ring can further comprise a plurality of passages, fluidly coupling the treating chamber to the annular chamber.

A laundry treatment machine may include: a tub; a drum that is rotatably disposed in the tub; an actuator that provides power for rotating the drum; and a balancer device that is disposed at an end where the inlet hole of the drum is formed, and adjusts the center of gravity of the drum that is rotating. The balancer device may include: a main balancer that reduces vibration of the drum by moving in the opposite direction to eccentricity that is generated when the drum is rotated; a first sub-balancer of which an arrangement gap from the main balancer is adjusted in accordance with the degree of eccentricity of the drum; and a second sub-balancer of which an arrangement gap from the main balancer is adjusted in the opposite direction of the first sub-balancer with respect to the main balancer.

A clothes treating apparatus includes a cabinet defining an entrance, a drawer configured to be drawn out from the cabinet through the entrance, a tub provided in the drawer, a circular drum bottom provided in the tub, a cylindrical drum body fixed to the drum bottom, a drum positioned on an upper surface of the drum body, a driving part including a rotating shaft that rotates the drum and penetrates the tub so as to be coupled to the drum bottom, a hub that is fixed to the center-of-rotation of the drum bottom and protrudes towards a drum inlet, and a stirring part including an arm extending from the hub towards a circumferential surface of the drum body.

A dynamic balancer device for mounting to and balancing a rotatable drum in a laundry treating appliance comprises an enclosed non-metal annular housing having a radial circumferential wall, an annular metal race within the non-metal annular housing disposed against the radial circumferential wall, and a mass disposed in the annular race and movable therein.

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.

A laundry treating appliance is disclosed. The laundry treating appliance includes a tub having a tub side wall and a tub end wall defining a liquid chamber with a tub end opening. A tub manifold portion is positioned at the tub end wall. A rotatable drum is located within the liquid chamber, rotatable about a rotational axis, and has a drum side wall and a drum end wall at least partially defining a treating chamber with a drum end opening. A drum manifold portion is positioned at the drum end wall and confronts the tub manifold portion. At least one lifter is secured to the drum, and a liquid conduit fluidly couples the drum manifold portion to the at least one lifter.

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.