Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Manipulation of liquid
Reexamination Certificate
2007-07-19
2010-10-19
Barr, Michael (Department: 1711)
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Manipulation of liquid
C068S012010, C068S012020, C068S212000
Reexamination Certificate
active
07814597
ABSTRACT:
A method and apparatus for measuring and recording conditions inside a chamber containing cloth items and fluid is provided. The method involves placement of contact sensors inside a wash chamber that can detect contact with a target cloth. The method also involves placement of rotation sensors for determining the position of rotating components within the washer. The method also involves installation of friction sensors that can measure forces between cloth items and the surfaces of the wash chamber. The method also involves installation of a fluid flow sensing system to determine the direction of fluid flow in the washer. All or some of the aforementioned signals are communicated from instruments within the washer to an external computer and may be converted to spatial locations for the impeller, target cloth and basket. Video may be recorded and combined with the sensor data to develop a more complete picture of cloth motion.
REFERENCES:
patent: 6212722 (2001-04-01), Pinkowski et al.
patent: 2004/0139556 (2004-07-01), Lee et al.
patent: 2005/0016225 (2005-01-01), Poehler
Fife John Michael
Rakow Joseph F.
Starkie Alan H.
Barr Michael
Cormier David
Green Clifton G.
McGarry Bair P.C.
Whirlpool Corporation
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