Foamed cleaning liquid dispensing system
AssigneeTennant Company
InventorsBruce F. Field, Joseph K. Krueger, Bryan L. Christensen
Life of this patent
Estimating the term…
Abstract
A foamed cleaning liquid dispensing system for use in a washing machine includes a cleaning liquid dispenser and a foaming device. The cleaning liquid dispenser includes an output flow of cleaning liquid, which is received by the foaming device. The foaming device includes an input flow of air and a mixing member, in which the flows of air and the cleaning liquid are combined to form an output flow of foamed cleaning liquid that is directed to a washing chamber of the washing machine.
Claims16
A foamed cleaning liquid dispensing system for use with a washing machine having a washing chamber in which soiled articles are cleaned, the system comprising:
- a cleaning liquid dispenser including a supply of cleaning liquid, conduit in fluid communication with the supply of cleaning liquid, and a pump in line with the conduit and driving an output flow of cleaning liquid therethrough;
- and
- a foaming device receiving the output flow of cleaning liquid and having an input flow of air, a mixing member combining the flows of air and cleaning liquid to thereby form an output flow of foamed cleaning liquid that is directed into the washing chamber.
A washing machine comprising:
- a supply of cleaning agent;
- a flow of primary cleaning liquid component;
- a cleaning agent flow control device fluidically coupled to the supply of cleaning agent and having an output flow of cleaning agent;
- a fluid mixing member combining the flows of cleaning agent and primary cleaning liquid component to form a supply of cleaning liquid;
- conduit in fluid communication with the supply of cleaning liquid;
- a cleaning liquid flow control device in line with the conduit and having an output flow of cleaning liquid;
- a foaming device receiving the output flow of cleaning liquid and having an input flow of air, a mixing member combining the air with the cleaning liquid, and an output flow of foamed cleaning liquid;
- a washing chamber receiving the output flow of foamed cleaning liquid;
- and
- a washing device contained in the washing chamber and adapted to agitate laundry articles within the washing chamber.
Dependencies are inferred from the claim text.