Patent · US Active

Device for the controlled operation of a switching element, in particular of a valve and actuator for use in automotive engineering

US8302930B2 · kind B2 · utility

0Cited by

12References

30Claims

0Family size

Assignee

KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH · DE

Inventors

Michael Herges · Munich, DE
Friedbert Roether · Cleebronn, DE
Martin Mederer · Dresden, DE
Janos Toth · Kecskemét, HU

Key dates

Filing date	Feb 7, 2008
Grant date	Nov 6, 2012
Priority date	—
Expiry date	Apr 14, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/6606
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An actuator having a linearly movable push rod for use in automotive engineering, which may be for operating a switching element of a valve, in particular a container control valve of a commercial vehicle, having a housing having an expandable material working element and an electrical heater for heating the expandable material working element. Furthermore, a device is provided for the controlled operation of a switching element of a valve, in particular a container control valve of a commercial vehicle, which includes an actuator of the aforementioned kind.

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