Patent · US Expired

Liquid beverage dispenser

US5588558A · kind A · utility

20Cited by
11References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 17, 1995
Grant dateDec 31, 1996
Priority date
Expiry dateMar 17, 2015

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB67D2210/00157
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A liquid beverage dispenser for displaying and dispensing beverages is provided. The liquid beverage dispenser includes a dispensing chamber for holding and dispensing a liquid beverage, a liquid storage chamber for storing additional amounts of the liquid beverage, a pump for transferring the liquid beverage from the storage chamber to the dispensing chamber, and a liquid level sensor for measuring the liquid level in the dispensing chamber and for activating the pump for pumping liquid beverage to the dispensing chamber when the liquid level drops below a pre-determined level. The liquid level sensor is an optical sensor including a fiberoptic emitter, a fiberoptic sensor, and a fiberoptic controller.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.