US 6,143,257 A · Dispenser

Abstract

A dispenser 100 for dispensing a chemical product that is dissolved by diluent. The dispenser includes a package 170 having a diaphragm, or fingered collar 180 attached to its opening. The diaphragm 180 has a plurality of flexible members or flexible fingers 185. The dispenser may utilize an injection manifold 109 that is sized and configured to be positioned on a washing machine top proximate the gap between the washing machine's top and lid. Still further, the invention includes a low level chemical product indicator. The indicator includes a focused light source 98a and 98a. The focused light source is a high intensity light emitting diode having a viewing angle of less than 6.degree. and an intensity of above 10,000 mcd. The dispenser also includes an apparatus and method in which a dispensing time of a dispenser is dynamically varied in response to diluent temperature during operation of the dispenser.

Claims4

Dependent claims

A dispensing apparatus, comprising:

(a) a dispenser, the dispenser receiving a diluent and outputting a use dilution comprising a chemical product diluted by the diluent, wherein a dispensing rate of chemical product for the dispenser varies with a temperature of the diluent;
and
(b) a temperature sensor sensing the temperature of the diluent and outputting a temperature signal representative thereof;
and
(c) a controller, coupled to the dispenser and the temperature sensor, the controller operating the dispenser to dispense an amount of use dilution having a predetermined amount of chemical product, wherein the controller dynamically varies a dispensing time of the dispenser while the dispenser is dispensing use dilution in response to the temperature signal to deliver the predetermined amount of chemical product.

2 more elements

Dependencies are inferred from the claim text.

Dispenser

Life of this patent

Dispenser

Life of this patent

Abstract

Claims4