A fluid dispensing apparatus includes a pulse generator coupled to a pump that operates in discrete cycles. Each cycle includes a first part in which fluid is drawn into the pump through an inlet, and a second part in which fluid is expelled from the pump through an outlet. Each cycle results in a discrete,...http://www.google.co.uk/patents/US7494028?utm_source=gb-gplus-sharePatent US7494028 - Fluid dispensing system suitable for dispensing liquid flavorings
