Dishwasher with hydraulically driven sprayer
First Claim
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1. A dishwasher for washing dishes according to an automatic cycle of operation, comprising:
- a tub at least partially defining a treating chamber for receiving dishes for cleaning;
a spraying system supplying liquid to the treating chamber and having a sprayer comprising;
a sprayer body mounted within the tub for movement about a rotatable axis and having an interior;
a liquid passage provided in the interior;
at least one spray outlet extending through the sprayer body and in fluid communication with the liquid passage and configured to emit a spray of liquid into the treating chamber to wash the dishes;
a drive outlet comprising only a single opening extending through the sprayer body and configured to emit a spray of liquid to rotate the sprayer body about the rotational axis; and
a valve body reciprocally moveable relative to the sprayer body to fluidly couple different portions of the single opening of the drive outlet to the liquid passage to alter an amount of liquid emitted from the drive outlet to adjust a speed of rotation of the sprayer body.
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Accused Products
Abstract
A dishwasher includes a tub at least partially defining a treating chamber and a spraying system having a sprayer supplying liquid to the treating chamber. The sprayer may include a liquid passage and at least one spray outlet to emit a spray to wash the dishes and at least one drive outlet to emit a spray to rotate the sprayer. A valve body may adjust the amount of liquid emitted from the at least one drive outlet.
61 Citations
17 Claims
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1. A dishwasher for washing dishes according to an automatic cycle of operation, comprising:
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a tub at least partially defining a treating chamber for receiving dishes for cleaning; a spraying system supplying liquid to the treating chamber and having a sprayer comprising; a sprayer body mounted within the tub for movement about a rotatable axis and having an interior; a liquid passage provided in the interior; at least one spray outlet extending through the sprayer body and in fluid communication with the liquid passage and configured to emit a spray of liquid into the treating chamber to wash the dishes; a drive outlet comprising only a single opening extending through the sprayer body and configured to emit a spray of liquid to rotate the sprayer body about the rotational axis; and a valve body reciprocally moveable relative to the sprayer body to fluidly couple different portions of the single opening of the drive outlet to the liquid passage to alter an amount of liquid emitted from the drive outlet to adjust a speed of rotation of the sprayer body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A dishwasher for washing dishes according to an automatic cycle of operation, comprising:
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a tub at least partially defining a treating chamber for receiving dishes for cleaning; a spraying system supplying liquid to the treating chamber and having a sprayer comprising; a sprayer body mounted within the tub for movement about a rotatable axis and having an interior; a liquid passage provided in the interior; at least one spray outlet extending through the sprayer body and in fluid communication with the liquid passage and configured to emit a spray of liquid into the treating chamber to wash the dishes; a drive outlet extending through the sprayer body and configured to emit a spray of liquid to rotate the sprayer body about the rotational axis; and a valve body laterally reciprocally moveable relative to the sprayer body to fluidly couple different portions of the drive outlet to the liquid passage to alter an amount of liquid emitted from the drive outlet to adjust a speed of rotation of the sprayer body.
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17. A dishwasher for washing dishes according to an automatic cycle of operation, comprising:
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a tub at least partially defining a treating chamber for receiving dishes for cleaning; a spraying system supplying liquid to the treating chamber and having a sprayer comprising; a sprayer body in the form of a rotating spray arm mounted within the tub for movement about a rotatable axis and having an interior; a liquid passage provided in the interior; at least one spray outlet extending through the sprayer body and in fluid communication with the liquid passage and configured to emit a spray of liquid into the treating chamber to wash the dishes; a drive outlet extending through the sprayer body and configured to emit a spray of liquid to rotate the sprayer body about the rotational axis; and a valve body reciprocally moveable along a length of the spray arm to fluidly couple different portions of the drive outlet to the liquid passage to alter an amount of liquid emitted from the drive outlet to adjust a speed of rotation of the sprayer body.
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Specification