Patent · US Active

Pneumatic cylinder having a self-adjusting end position damping

US9080584B2 · kind B2 · utility

0Cited by

4References

16Claims

0Family size

Assignee

PARKER HANNIFIN MANUFACTURING GERMANY GMBH & CO. KG · DE

Inventors

Axel Fröschle · Sindelfingen, DE
Peter Rohatschek · Metzingen, DE
Thomas Henke · Borgholzhausen, DE
Rainer Schweizer · Echterdingen, DE
Alexander Buchhauser · Grabenstetten, DE

Key dates

Filing date	Jun 26, 2012
Grant date	Jul 14, 2015
Priority date	—
Expiry date	Jan 16, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF15B15/204
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A pneumatic cylinder having end position damping of the cylinder piston is controlled by means of a vent path and a control valve, the control valve comprises a control piston, the control side of which is pressurized by a pneumatic pressure which exists in a control chamber. The movement of the control piston into its closing position is pneumatically controlled by the increasing pressure in the damping chamber during the beginning of the damping. No additional components or controls are to be provided, so that the control of the end position damping occurs exclusively by the pressure conditions prevailing at the time when the damping begins.

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