Liquid beverage dispenser
US5588558A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1995 |
| Grant date | Dec 31, 1996 |
| Priority date | — |
| Expiry date | Mar 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.