×

Timing control and timed wash cycle for an automatic washer

  • US 8,490,440 B2
  • Filed: 05/07/2007
  • Issued: 07/23/2013
  • Est. Priority Date: 05/07/2007
  • Status: Active Grant
First Claim
Patent Images

1. A control for an automatic washer having a wash zone for receiving a substrate load to be washed through contact with a wash liquor, a dispenser arranged to receive chemistries to be added to the wash zone, a container in communication with the dispenser to receive the chemistries or precursors for the chemistries to be added to the wash zone, the control arranged to operate the washer through a wash cycle determined based upon various soils and stains in the substrate load to be washed with the wash liquor in the wash zone of the washer, the control comprising:

  • a user interface with user operable mechanisms to permit a user to customize the operation of the control,a plurality of stain/soil type entré

    es displayed at the user interface, the user operable mechanisms being arranged to permit the user to select a stain/soil type,a stain component sensor located in the wash zone to detect a particular type of stain on the substrate load to be cleaned,the control having dispensing control arranged to operate the dispenser to introduce at least one wash liquor additive into the wash liquor selected based upon the selections made by the user via the user interface from the group consisting of detergents, chlorine bleaches, color safe bleaches, cleaning boosters, oxidizing agents, pre-wash stain removers, pre-wash chemistries, switchable or tunable surfactants, wrinkle guard, color finishes, water repellency, stain guard, functional finishes, fabric softeners, water softeners, fragrances, anti-static agents, drying aids, de-wrinkling chemistries, deodorizers, surfactants, emulsifiers, enzyme activated stain removers, sudsing agents, builders, anti-redeposition polymers, in-wash stain removers, perfumes, and activators and deactivators for other members of the group of additives,a timing mechanism, andthe control having operational control over the particular wash cycles using the dispensing control to dispense additives to the wash liquor at times determined by the timing mechanism during the wash cycle.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×