Pressure-driven metered mixing dispensing pumps and methods
AssigneeWhirlpool Corporation
InventorsMATTHEW C. PARSONS, ROBERT J. PINKOWSKI, NICHOLAS E. RIGHETTI, RICARDO N. SCHIESSER
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Abstract
A pressure-driven metered mixing dispensing pump has a first chamber, a second chamber, a third chamber in fluid communication with the first and second chambers and a fluid outlet in fluid communication with the third chamber. Selectively supplying a first fluid into the first chamber causes at least a portion of the first fluid and at least a portion of second fluid supplied into the second chamber to be mixed in the third chamber and dispensed through the fluid outlet.
Claims20
A pressure-driven metered mixing dispensing pump, comprising:
- a first chamber;
- a second chamber;
- a third chamber in fluid communication with the first and second chambers;
- and
- a fluid outlet in fluid communication with the third chamber, wherein selectively supplying a first fluid into the first chamber causes at least a portion of the first fluid and at least a portion of second fluid supplied into the second chamber to be mixed in the third chamber and dispensed through the fluid outlet.
A pressure-driven metered mixing dispensing pump, comprising:
- a housing and a piston disposed in the housing;
- a first chamber within the housing;
- a second chamber within the housing;
- a third chamber within the housing and in fluid communication with the first and second chambers;
- and
- a fluid outlet in fluid communication with the third chamber, wherein selectively supplying a first fluid into the first chamber causes at least a portion of the first fluid and at least a portion of a second fluid supplied into the second chamber to be mixed in the third chamber and dispensed through the fluid outlet.
Dependencies are inferred from the claim text.