Patent · US Expired

Ventilation device with operating magnet

US5816282A · kind A · utility

6Cited by

3References

6Claims

0Family size

Assignee

HYDAC FILTERTECHNIK GMBH · DE

Inventors

Dieter Hornung · Waldmohr, DE
Victor H. Lauer · Nalbach, DE
Andreas Marettek · Pocking, DE

Key dates

Filing date	Mar 23, 1995
Grant date	Oct 6, 1998
Priority date	—
Expiry date	Mar 23, 2015

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/7465
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A ventilation device has a housing which can be connected with a fluid system to be ventilated. A float is movable in the housing, and controls a valve through an operating device for a ventilation process. The valve opens and closes a ventilation passage. The operating device has an operating magnet with exciter coil, which can be controlled electrically through a switch operable by the float. The operating magnet, with its switching part, operates to open the valve. The ventilating device can function without disturbance in operation, can be manufactured at low cost, can be used even with very high pressures, and, if necessary, can be monitored from a remote point.

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