WASHING MACHINE
First Claim
Patent Images
1. A washing machine, comprising:
- a washing machine housing;
a washing tub disposed in the washing machine housing; and
a liquid detergent supply pump configured to provide a positive pressure differential for supplying liquid detergent to the washing tub, and configured to provide a negative pressure differential for removing residual liquid detergent not supplied to the washing tub.
1 Assignment
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Accused Products
Abstract
Disclosed is a washing machine, which prevents solidification of liquid detergent by rapidly recovering the liquid detergent left in a liquid detergent supply passage and a liquid detergent supply pump by forming a negative pressure differential by use of the liquid detergent supply pump for a set period of time after the supply of liquid detergent is finished.
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Citations
17 Claims
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1. A washing machine, comprising:
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a washing machine housing; a washing tub disposed in the washing machine housing; and a liquid detergent supply pump configured to provide a positive pressure differential for supplying liquid detergent to the washing tub, and configured to provide a negative pressure differential for removing residual liquid detergent not supplied to the washing tub. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification