Patent · US Active

System for monitoring fluid in a fluid dispenser

US10144027B2 · kind B2 · utility

2Cited by

7References

20Claims

0Family size

Inventors

Heiner Ophardt · Vineland, CA
Rainer Duske · Voerde, DE
Sascha Korthauer · Rheinberg, DE
Michael Stephan · Lititz, US

Key dates

Filing date	Oct 23, 2017
Grant date	Dec 4, 2018
Priority date	—
Expiry date	Oct 23, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG01F11/028
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A hand cleaning liquid dispenser including a fluid level gauging mechanism with a plurality, preferably three or more, vertically spaced optical sensors located closely adjacent an external of a side wall of the reservoir to each receive electromagnetic radiation transmitted through the side wall from within the reservoir with the electromagnetic radiation sensed originating from an emitter directing the electromagnetic radiation preferably through the reservoir downwardly.

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