Patent ID: 8956579
Filing Date: 2015-02-17
Classification: A47L,D06F

Abstract:
1. A chemical dispensing system for performing a base chemical dispensing operation and an upgraded chemical dispensing operation for a washing machine, the system comprising: a micro-controller having a base chemical dispensing program file thereon and being operatively coupled to and configured to control a chemical dispenser of the chemical dispensing system, the chemical dispenser configured to dispense a chemical to the washing machine; a single expansion module having an upgraded chemical dispensing program file thereon; the micro-controller having a USB port; the expansion module having a USB connector; the micro-controller and the expansion module operably connected to one another via the USB port and connector; the micro-controller configured to download chemical dispensing activity reports to the expansion module, and the micro-controller configured to upload the upgraded chemical dispensing program file from the expansion module, and the micro-controller configured to execute the upgraded chemical dispensing program file and to automatically configure aspects of the chemical dispensing system on the basis thereof in order to perform the upgraded chemical dispensing operation.