Patent · US Expired

Vibration damper with fire safety device

US7182190B2 · kind B2 · utility

2Cited by

10References

7Claims

0Family size

Assignee

ZF Sachs AG · DE

Inventors

Hassan Asadi · Schweinfurt, DE
Peter Wirth · Winsen, DE
Gerald Fenn · Pfersdorf, DE
Björn Neumann · Bad Bocklet, DE

Key dates

Filing date	Apr 8, 2004
Grant date	Feb 27, 2007
Priority date	—
Expiry date	Apr 8, 2024

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16F9/585
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A piston rod and a piston are installed with freedom of axial movement in a cylinder filled with a working medium, the piston dividing the working space into a space on the piston-rod side of the piston and a space on the side of the piston facing away from the piston rod. A stop disk is mounted on the piston rod in addition to the piston rests against a retainer provided on the cylinder to limit the outward movement of the piston rod during a fire.

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