Leak and poor drainage detection for electronic laundry machine

Details Leak and poor drainage detection for electronic laundry machine Leak and poor drainage detection for electronic laundry machine

2009-07-13

2011-11-15

Stinson, Frankie L (Department: 1711)

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

C068S012050, C068S012190, C068S012210

Reexamination Certificate

active

08056171

ABSTRACT:
A control system for a laundry machine provides a system and method to automatically monitor the results of the drain or pump operation during normal operation of machine cycles, during unattended idle states as well as through specific diagnostic tests. By automatically monitoring the results of the drain or pump operation, the machine controller can warn the owner or servicer of the equipment that a machine requires service attention.

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patent: 7572108 (2009-08-01), Koehl
patent: 2002/0040505 (2002-04-01), Tanaka et al.
patent: 2002/0157190 (2002-10-01), Imai et al.
patent: 2005/0125909 (2005-06-01), Bellinetto et al.
patent: 2005202822 (2006-01-01), None
patent: 03-039193 (1991-02-01), None
patent: 2007-111097 (2007-05-01), None
European Patent Office 1 096 052 May 2001.

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