Cleaning and liquid contact with solids – Apparatus – Automatic controls
Reexamination Certificate
2008-07-15
2008-07-15
Stinson, Frankie L (Department: 1792)
Cleaning and liquid contact with solids
Apparatus
Automatic controls
C134S094100, C134S113000
Reexamination Certificate
active
10967870
ABSTRACT:
A non-intrusive device for automatically dosing at least one liquid laundry care composition to an automatic laundry washing machine. The device employs a Venturi tube mechanism or a pump to dose the laundry detergent care composition. The dosing is controlled by a machine-generic algorithm capable of determining the actual cycle at any duration of wash for various cycle designs from various washing machines, without the input of precise cycle design; and dose the correct products correctly and is capable of distinguishing between major water addition and a water pulse.
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Hsu Feng-Lung Gordon
Hsu Gary
Puvvada Sudhakar
Vogel Ronald Frederick
Wolf Diane
Mitelman Rimma
Stinson Frankie L
Unilever Home & Personal Care USA , division of Conopco, Inc.
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