Patent · US Expired

Device for controlling evaporation of a liquid

US4334955A · kind A · utility

5Cited by

3References

3Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Siegfried Zoeke · Munich, DE
Anton Stuerzer · Grafing, DE

Key dates

Filing date	Sep 4, 1980
Grant date	Jun 15, 1982
Priority date	—
Expiry date	Sep 4, 2000

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF24F6/00
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A device for controlling evaporation of a liquid has a container and a heating element for heating and evaporating liquid in the container. The container is disposed on a base plate which is supported by a leaf spring which allows the base plate to move between two microswitches depending upon the amount of liquid in the container. The microswitches are connected to a control circuit for activating the heating element and interrupt the flow of power to the heating element when little or no liquid is present in the container, or when a maximum amount of liquid is present in the container.

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