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US 7,610,781 B2Granted
Drum type washing machine
AssigneeSamsung Electronics Co., Ltd.
InventorsDong Hyun Choi, Woon Gu Hur, Won Seok Choi
Life of this patent
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Abstract
Disclosed herein is a drum type washing machine designed to continuously raise and drop wash water during washing operation to enhance washing efficiency. The drum type washing machine includes a tub to hold wash water, a rotational drum rotatably installed in the tub, and a water raising unit having a plurality of water pockets equipped in a rotating direction of the rotational drum to an inner rear side of the rotational drum to raise and drop the wash water when the rotational drum is rotated.
Claims5
A drum type washing machine comprising:
- a tub to hold wash water and a rotational drum rotatably installed in the tub;
- and
- a plurality of water pockets formed only on an inner rear side of the rotational drum along an outer periphery of the rotational drum to raise and drop the wash water when the rotational drum is rotated, each of the plurality of water pockets being oriented to scoop the wash water from inside the rotational drum when the rotational drum is rotated in a rotating direction,
- wherein each water pocket comprises:
- a water inlet formed at an outer periphery of the water pocket;
- and
- a water outlet formed near an inner periphery of the water pocket to outlet water towards a center of the rotational drum from the outer periphery of rotational drum.
4 more elements
A drum type washing machine comprising:
- a tub to hold wash water and a rotational drum rotatably installed in the tub;
- and
- a plurality of water pockets formed only on an inner rear side of the rotational drum along an outer periphery of the rotational drum to raise and drop the wash water when the rotational drum is rotated, each of the plurality of water pockets being oriented to scoop the wash water from inside the rotational drum when the rotational drum is rotated in a rotating direction,
- wherein each water pocket comprises:
- a water inlet formed at an outer periphery of the rotational drum;
- and
- a water outlet formed in the water pocket itself at an outer periphery of the rotational drum near to the water inlet.
4 more elements
Dependencies are inferred from the claim text.