Laundry treating appliance with integrated dynamic balancer
First Claim
1. A laundry treating appliance with an integrated dynamic balancer comprising:
- a rotatable drum for receiving a laundry load wherein the rotatable drum includes a cylindrical body with a cylindrical wall about a longitudinal axis, and a metal cover at one end thereof, the metal cover having an annular groove formed by a first wall adjacent to the cylindrical wall, a second wall spaced from the first wall, a third wall extending between the first and second walls, and a fourth wall having at least a portion thereof extending from the second wall generally normal to the longitudinal axis;
a metal adjoining piece having a first adjoining wall coupled with the third wall and a second adjoining wall coupled with the fourth wall;
wherein a hollow annular raceway is defined by the second wall, the third wall, the first adjoining wall, and the second adjoining wall;
a sound dampener comprising at least one of a polymeric layer in the metal cover, a polymeric layer in the metal adjoining piece or an insulating layer in a support piece adjacent at least one of the walls; and
a mass disposed in the hollow annular raceway and movable therein.
1 Assignment
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Accused Products
Abstract
A laundry treating appliance includes a rotatable drum for receiving a laundry load. The rotatable drum includes a cylindrical body with a cylindrical wall about a longitudinal axis, and a metal cover at one end thereof, the metal cover having an annular groove formed by a first wall, a second wall spaced from the first wall, a third wall extending between the first and second walls, and a fourth wall extending from the second wall. A metal adjoining piece having a first adjoining wall is coupled with the third wall and a second adjoining wall is coupled with the fourth wall, wherein a hollow annular raceway is defined by the second wall, the third wall, the first adjoining wall, and the second adjoining wall. A sound dampener is disposed adjacent at least one of the walls.
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Citations
9 Claims
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1. A laundry treating appliance with an integrated dynamic balancer comprising:
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a rotatable drum for receiving a laundry load wherein the rotatable drum includes a cylindrical body with a cylindrical wall about a longitudinal axis, and a metal cover at one end thereof, the metal cover having an annular groove formed by a first wall adjacent to the cylindrical wall, a second wall spaced from the first wall, a third wall extending between the first and second walls, and a fourth wall having at least a portion thereof extending from the second wall generally normal to the longitudinal axis; a metal adjoining piece having a first adjoining wall coupled with the third wall and a second adjoining wall coupled with the fourth wall; wherein a hollow annular raceway is defined by the second wall, the third wall, the first adjoining wall, and the second adjoining wall; a sound dampener comprising at least one of a polymeric layer in the metal cover, a polymeric layer in the metal adjoining piece or an insulating layer in a support piece adjacent at least one of the walls; and a mass disposed in the hollow annular raceway and movable therein. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification